WARNING CHIME SYSTEM SECTION WCS CONTENTS DRIVER INFORMATION & MULTIMEDIA WCS-1 BASIC INSPECTION... 3 FUNCTION DIAGNOSIS... 4 COMPONENT DIAGNOSIS...

Transcription

1 DRIVER INFORMTI & MULTIMEDI SECTI WCS WRNING CHIME SYSTEM C D CTENTS E SIC INSPECTI... 3 DIGNOSIS ND REPIR WORKFLOW... 3 Work Flow...3 FUNCTI DIGNOSIS... 4 WRNING CHIME SYSTEM... 4 WRNING CHIME SYSTEM...4 WRNING CHIME SYSTEM : System Diagram...4 WRNING CHIME SYSTEM : System Description...4 WRNING CHIME SYSTEM : Component Parts Location...5 WRNING CHIME SYSTEM : Component Description...5 LIGHT REMINDER WRNING CHIME...5 LIGHT REMINDER WRNING CHIME : System Diagram...6 LIGHT REMINDER WRNING CHIME : System Description...6 LIGHT REMINDER WRNING CHIME : Component Parts Location...7 LIGHT REMINDER WRNING CHIME : Component Description...7 SET ELT WRNING CHIME...7 SET ELT WRNING CHIME : System Diagram...7 SET ELT WRNING CHIME : System Description...8 SET ELT WRNING CHIME : Component Parts Location...8 SET ELT WRNING CHIME : Component Description...9 KEY WRNING CHIME...9 KEY WRNING CHIME : System Diagram...9 KEY WRNING CHIME : System Description...9 KEY WRNING CHIME : Component Parts Location...10 KEY WRNING CHIME : Component Description...10 DIGNOSIS SYSTEM (METER)...11 Diagnosis Description...11 CSULT-III Function (METER/M&)...12 DIGNOSIS SYSTEM (CM)...15 UZZER...15 UZZER : CSULT-III Function (CM - UZZ- ER)...15 COMPENT DIGNOSIS...16 POWER SUPPLY ND GROUND CIRCUIT...16 COMINTI METER...16 COMINTI METER : Diagnosis Procedure...16 CM (ODY CTROL MODULE)...16 CM (ODY CTROL MODULE) : Diagnosis Procedure...16 METER UZZER CIRCUIT...18 Description...18 Component Function Check...18 Diagnosis Procedure...18 SET ELT UCKLE SWITCH SIGNL CIR- CUIT...19 Description...19 Component Function Check...19 Diagnosis Procedure...19 Component Inspection...20 KEY SWITCH SIGNL CIRCUIT...21 Description...21 Component Function Check...21 Diagnosis Procedure...21 Component Inspection...22 F G H I J K L M WCS O P WCS-1

2 WRNING CHIME SYSTEM Wiring Diagram ECU DIGNOSIS COMINTI METER Reference Value Wiring Diagram Fail Safe DTC Index CM (ODY CTROL MODULE) Reference Value Terminal Layout Physical Values Wiring Diagram Fail Safe DTC Inspection Priority Chart DTC Index SYMPTOM DIGNOSIS THE LIGHT REMINDER WRNING DOES NOT SOUND Description Diagnosis Procedure THE SET ELT WRNING CTINUES SOUNDING, OR DOES NOT SOUND Description Diagnosis Procedure THE KEY WRNING DOES NOT SOUND Description Diagnosis Procedure PRECUTI PRECUTIS Supplemental Restraint System (SRS) "IR G" and "SET ELT PRE-TENSIER" WCS-2

3 < SIC INSPECTI > DIGNOSIS ND REPIR WORKFLOW SIC INSPECTI DIGNOSIS ND REPIR WORKFLOW Work Flow INFOID: DETILED FLOW 1.OTIN INFORMTI OUT SYMPTOM Interview the customer to obtain as much information as possible about the conditions and environment under which the malfunction occurred. >> GO TO 2 2.CHECK SYMPTOM Check the symptom based on the information obtained from the customer. Check to see if any other malfunctions are present. >> GO TO 3 3.CHECK CSULT-III SELF-DIGNOSIS RESULTS Connect CSULT-III and perform SELF-DIGNOSIS. Refer to MWI-24, "CSULT-III Function (METER/ M&)". re self-diagnosis results normal? YES >> GO TO 4 NO >> Repair or replace the malfunctioning parts, GO TO 5 4.NRROW DOWN MLFUNCTIING PRTS THROUGH SYMPTOM DIGNOSIS Perform symptom diagnosis and repair or replace the identified malfunctioning parts. >> GO TO 5 5.FINL CHECK Check that the warning buzzer in the combination meter operates normally. Does it operate normally? YES >> Inspection End. NO >> GO TO 1 C D E F G H I J K L M WCS O P WCS-3

4 < FUNCTI DIGNOSIS > FUNCTI DIGNOSIS WRNING CHIME SYSTEM WRNING CHIME SYSTEM WRNING CHIME SYSTEM WRNING CHIME SYSTEM : System Diagram INFOID: WNI0645G WRNING CHIME SYSTEM : System Description INFOID: COMINTI METER The buzzer for warning chime system is installed in the combination meter. The buzzer sounds when the combination meter receives a buzzer output signal from each unit. CM CM receives signals from various units and transmits a buzzer output signal to the combination meter with CN communication line if it judges that the warning buzzer should be activated. CM warning function list Light reminder warning chime Seat belt warning chime Key warning chime Warning functions Signal name Lighting switch position signal Door switch signal Seat belt buckle switch signal Key switch signal Door switch signal WCS-4

5 < FUNCTI DIGNOSIS > WRNING CHIME SYSTEM WRNING CHIME SYSTEM : Component Parts Location INFOID: C D E F G WKI4988E H 1. Combination switch (lighting switch) M28 4. CM M18, M19, M20 (view with instrument lower panel LH removed) 7. Seat belt buckle switch LH 12 WRNING CHIME SYSTEM : Component Description Unit Combination meter CM Key switch Seat belt buckle switch LH Combination switch (Lighting switch) Front door switch LH LIGHT REMINDER WRNING CHIME 2. Combination meter M24 3. Key switch M27 5. Front door switch LH 8 (crew cab) 6. Front door switch LH D213 (king cab) Description INFOID: Receives the seat belt buckle switch signal from the seat belt buckle switch LH and transmits it to CM with CN communication line. Receives a buzzer output signal from CM with CN communication line. Transmits signals provided by various units to the combination meter with CN communication line. Transmits key switch signal to CM. Transmits a seat belt buckle switch signal to the combination meter. Transmits the lighting switch position signal to CM. Transmits the door switch signal to CM. I J K L M WCS O P WCS-5

6 < FUNCTI DIGNOSIS > WRNING CHIME SYSTEM LIGHT REMINDER WRNING CHIME : System Diagram INFOID: WKI5465E LIGHT REMINDER WRNING CHIME : System Description INFOID: DESCRIPTI With ignition switch in or CC position, driver door open, and lighting switch in 1ST or 2ND position, the light warning chime will sound. CM detects ignition switch in or CC position, front door switch LH, and lighting switch in 1ST or 2ND position. nd then transmits buzzer output signal (light reminder warning chime) to combination meter with CN communication line. When combination meter receives buzzer output signal (light reminder warning chime), it sounds the buzzer. WRNING OPERTI CDITIS If all of the following conditions are fulfilled Lighting switch is at 1st or 2nd position Ignition switch is at or CC Front door switch LH is WRNING CNCEL CDITIS Warning is canceled if any of the following conditions is fulfilled. Lighting switch Ignition switch Front door switch LH is WCS-6

7 < FUNCTI DIGNOSIS > WRNING CHIME SYSTEM LIGHT REMINDER WRNING CHIME : Component Parts Location INFOID: C D E F G WKI4988E H 1. Combination switch (lighting switch) M28 4. CM M18, M19, M20 (view with instrument lower panel LH removed) 7. Seat belt buckle switch LH 12 LIGHT REMINDER WRNING CHIME : Component Description Unit Combination meter CM Combination switch (Lighting switch) Front door switch LH SET ELT WRNING CHIME 2. Combination meter M24 3. Key switch M27 SET ELT WRNING CHIME : System Diagram 5. Front door switch LH 8 (crew cab) 6. Front door switch LH D213 (king cab) INFOID: Description Receives a buzzer output signal from CM via CN communication line and sounds the buzzer. Judges the light warning conditions from the signals provided by various switches and transmits a buzzer output signal to the combination meter via CN communication line if necessary. Transmits the lighting switch position signal to CM. Transmits the door switch signal to CM. INFOID: I J K L M WCS O P LKI0878E WCS-7

8 < FUNCTI DIGNOSIS > WRNING CHIME SYSTEM SET ELT WRNING CHIME : System Description INFOID: DESCRIPTI With ignition switch turned and driver seat belt unfastened, seat belt warning chime will sound for approximately 6 seconds. CM receives seat belt buckle switch signal from combination meter with CN communication line. CM detects ignition switch turned and seat belt buckle switch LH. nd then transmits buzzer output signal (seat belt warning chime) to combination meter with CN communication line. When combination meter receives buzzer output signal (seat belt warning chime), it sounds the buzzer. WRNING OPERTI CDITIS If all of the following conditions are fulfilled Ignition switch Seat belt buckle switch LH is (driver seat belt not fastened) WRNING CNCEL CDITIS Cancels the warning if any of the following conditions is fulfilled. Ignition switch Seat belt buckle switch LH is (driver seat belt fastened) SET ELT WRNING CHIME : Component Parts Location INFOID: WKI4988E 1. Combination switch (lighting switch) M28 4. CM M18, M19, M20 (view with instrument lower panel LH removed) 7. Seat belt buckle switch LH Combination meter M24 3. Key switch M27 5. Front door switch LH 8 (crew cab) 6. Front door switch LH D213 (king cab) WCS-8

9 < FUNCTI DIGNOSIS > WRNING CHIME SYSTEM SET ELT WRNING CHIME : Component Description INFOID: Unit Combination meter CM Seat belt buckle switch LH KEY WRNING CHIME KEY WRNING CHIME : System Diagram Description Receives the seat belt buckle switch signal from the seat belt buckle switch and transmits it to CM via CN communication line. Receives a buzzer output signal from CM via CN communication line and sounds the buzzer. Judges the seat belt warning condition from the seat belt buckle switch signal received from the combination meter and transmits a buzzer output signal to the combination meter via CN communication line if necessary. Transmits seat belt buckle switch signal to combination meter. INFOID: C D E F G KEY WRNING CHIME : System Description WKI5463E INFOID: With the key inserted into the key switch, and the ignition switch in the or CC position, when driver's door is opened, the warning chime will sound. CM detects key inserted into the ignition switch, and sends key warning signal to combination meter with CN communication line. When combination meter receives key warning signal, it sounds warning chime. H I J K L M WCS O P WCS-9

10 < FUNCTI DIGNOSIS > WRNING CHIME SYSTEM KEY WRNING CHIME : Component Parts Location INFOID: WKI4988E 1. Combination switch (lighting switch) M28 4. CM M18, M19, M20 (view with instrument lower panel LH removed) 7. Seat belt buckle switch LH 12 KEY WRNING CHIME : Component Description 2. Combination meter M24 3. Key switch M27 5. Front door switch LH 8 (crew cab) 6. Front door switch LH D213 (king cab) INFOID: Unit Combination meter CM Front door switch LH Key switch Description Receives key warning signal from CM via CN communication line and sounds the buzzer. Judges the key warning condition from the door switch signal received from the front door switch LH, and the key switch signal received from the key switch. It then transmits a buzzer output signal to the combination meter via CN communication line if necessary. Transmits door switch signal to CM. Transmits key switch signal to CM. WCS-10

11 < FUNCTI DIGNOSIS > DIGNOSIS SYSTEM (METER) Diagnosis Description DIGNOSIS SYSTEM (METER) INFOID: SELF-DIGNOSIS MODE The following items can be checked during Combination Meter Self-Diagnosis Mode. Gauge sweep and present gauge values. Illuminates all odometer/trip meters and /T indicator segments. Illuminates all micro controlled lamps/leds regardless of switch position. Displays estimated present battery voltage. Displays seat belt buckle switch LH status. OPERTI PROCEDURE NOTE: Once entered, combination meter self-diagnosis mode will function with the ignition switch in or STRT. Combination meter self-diagnosis mode will exit upon turning the ignition switch to or CC. If the diagnosis function is activated with trip displayed, the mileage on trip is reset to (Trip operates the same way.) To initiate combination meter self-diagnosis mode, refer to the following procedure. 1. Turn the ignition switch, while pressing the odometer/trip meter switch for 5-8 seconds. When the diagnosis function is activated, the odometer/trip meter will display test. NOTE: Check combination meter power supply and ground circuit when self-diagnosis mode of combination meter does not start. Refer to MWI-29, "COMINTI METER : Diagnosis Procedure". Replace combination meter if normal. Refer to MWI-93, "Removal and Installation". COMINTI METER SELF-DIGNOSIS MODE FUNCTIS To interpret combination meter self-diagnosis mode functions, refer to the following table. Event Odometer Display Description of Test/Data Notes: Odometer/trip meter / switch held from 5 to 8 seconds (or until released) test Initiating self-diagnosis mode Switch released GGE Performs sweep of all gauges, then displays present gauge values. Gauges sweep within 10 seconds US C D E F G H I J K L M Switch pressed (ll segments illuminated) Lights all LCD segments. Compare with picture. Canada WNI0219ZZ WCS O WNI0220ZZ P Switch pressed bulb Illuminates all micro-controlled lamps/leds. Part may not be configured for all lamps (functions) that turn on during test. This is normal. Switch pressed r XXXX, FIL Return to normal operation of all lamps/leds and displays r XXXX. If a malfunction exists, FIL will flash. WCS-11

12 < FUNCTI DIGNOSIS > DIGNOSIS SYSTEM (METER) Switch pressed nrxxxx CSULT-III Function (METER/M&) Displays Hex ROM rev as stored in NVM. Switch pressed EE XX, FIL Displays EE XX. Switch pressed Switch pressed (3 times) Switch pressed Switch pressed (3 times) Switch pressed Switch pressed Switch pressed Switch pressed Switch pressed Switch pressed Switch pressed Switch pressed dtxxxx Sc1 XX through Epr XX 1nF XX cyl XX through tf ot1 XX ot0 XX XXXXX XXXXX t XXXX F1XXXX XXXC txx.x Switch pressed res -X Switch pressed (30 times) Switch pressed Event Odometer Display Description of Test/Data Notes: P -XX through P1-XX GGE Hex coding of final manufacturing test date. Displays 8 bit software configuration value in Hex format Displays 8-bit market info value in Hex format. N/ Displays oil pressure telltale in Hex format. Displays oil pressure telltale in Hex format. Corrected speed value in hundredths of MPH. Gauge indication may be slightly higher. This is normal. Corrected speed value in hundredths of KPH. Gauge indication may be slightly different. This is normal. Tachometer value in RPM. Gauge indication may be higher at higher RPM. This is normal. Present fuel level /D input. This input represents fuel sender input. Last temperature gauge input value in degrees C. Temperature gauge indicates present temperature per indication standard. Estimated present battery voltage. Seat belt buckle switch LH status. N/ If a malfunction exists, FIL will flash. $31 = US $2 = Canada Will display if message is not received. Will display if data received is invalid. Will display if message is not received. Will display if data received is invalid. Will display if message is not received = Short circuit = Normal range 255 = Open circuit Will display --- C if message is not received. Will display 999 if data received is invalid. High = 130 deg C Normal = deg C Low = less than 50 deg C 1= uckled 0 = Unbuckled Return to beginning of self-diagnosis cycle. CSULT-III can display each diagnostic item using the diagnostic test modes shown following. INFOID: WCS-12

13 < FUNCTI DIGNOSIS > DIGNOSIS SYSTEM (METER) METER/M& diagnosis mode SELF-DIG RESULTS DT MITOR CN DIG SUPPORT MNTR SELF-DIG RESULTS Display Item List Refer to MWI-58, "DTC Index". DT MITOR Display Item List Display item [Unit] Description Displays combination meter self-diagnosis results. Displays combination meter input/output data in real time. The result of transmit/receive diagnosis of CN communication can be read. MIN SIGNLS SELECTI FROM MENU WCS-13 Description SPEED METER [km/h] or [mph] X X Displays the value of vehicle speed signal. X: pplicable SPEED OUTPUT [km/h] or [mph] X X Displays the value of vehicle speed signal, which is transmitted to each unit with CN communication. TCHO METER [rpm] X X Displays the value of engine speed signal, which is input from ECM. FUEL METER [lit.] X X Displays the value, which processes a resistance signal from fuel gauge. W TEMP METER [ C] or [ F] X X Displays the value of engine coolant temperature signal, which is input from ECM. S W/L [/] X Displays [/] condition of S warning lamp. VDC/TCS IND [/] X Displays [/] condition of VDC indicator lamp. SLIP IND [/] X Displays [/] condition of SLIP indicator lamp. RKE W/L [/] X Displays [/] condition of brake warning lamp.* DOOR W/L [/] X Displays [/] condition of door warning lamp. HI-EM IND [/] X Displays [/] condition of high beam indicator. TURN IND [/] X Displays [/] condition of turn indicator. OIL W/L [/] X Displays [/] condition of oil pressure warning lamp. C-ENG W/L [/] X Displays [/] condition of malfunction indicator lamp. CRUISE IND [/] X Displays [/] condition of CRUISE indicator. SET IND [/] X Displays [/] condition of SET indicator. O/D W/L [/] X Displays [/] condition of T CHECK (with manual mode) or O/D (without manual mode) warning lamp. FUEL W/L [/] X X Displays [/] condition of low-fuel warning lamp. IR PRES W/L [/] X Displays [/] condition of tire pressure warning lamp. KEY G/Y W/L [/] X KEY R W/L [/] X This item is not used for this model. is always displayed. KEY KNO W/L [/] X M RNGE SW [/] X X Displays [/] condition of manual mode range switch. NM RNGE SW [/] X X Displays [/] condition of except for manual mode range switch. T SFT UP SW [/] X X Displays [/] condition of /T shift-up switch. T SFT DWN SW [/] X X Displays [/] condition of /T shift-down switch. DISTNCE [km] or [mile] X X Displays the value, which is calculated by vehicle speed signal, fuel gauge and fuel consumption from ECM. UZZER [/] X X Displays [/] condition of buzzer. RKE SW [/] X Indicates [/] condition of parking brake switch. C D E F G H I J K L M WCS O P

14 < FUNCTI DIGNOSIS > DIGNOSIS SYSTEM (METER) Display item [Unit] MIN SIGNLS SELECTI FROM MENU Description T-M IND [/] X X Indicates [/] condition of /T manual mode indicator. T-M GER [1, 2, 3, 4, 5] X X Indicates [1, 2, 3, 4, 5] condition of /T manual mode gear position. P RNGE IND [/] X X Indicates [/] condition of /T shift P range indicator. R RNGE IND [/] X X Indicates [/] condition of /T shift R range indicator. N RNGE IND [/] X X Indicates [/] condition of /T shift N range indicator. D RNGE IND [/] X X Indicates [/] condition of /T shift D range indicator. 4 RNGE IND [/] X X Indicates [/] condition of /T shift 4 range indicator. 3 RNGE IND [/] X X Indicates [/] condition of /T shift 3 range indicator. 2 RNGE IND [/] X X Indicates [/] condition of /T shift 2 range indicator. 1 RNGE IND [/] X X Indicates [/] condition of /T shift 1range indicator. 4WD LOCK SW [/] X Indicates [/] condition of 4WD lock switch. 4WD LOCK IND [/] X Indicates [/] condition of 4WD lock indicator. SET ELT W/L [/] X Indicates [/] condition of seat belt warning lamp. O/D SWITCH [/] X Indicates [/] condition of O/D switch. FR FOG IND [/] X RR FOG IND [/] X This item is not used for this model. is always displayed. NOTE: Some items are not available due to vehicle specification. *: The monitor will indicate even though the brake warning lamp is on if either of the following conditions exist. The parking brake is engaged The brake fluid level is low WCS-14

15 < FUNCTI DIGNOSIS > DIGNOSIS SYSTEM (CM) UZZER DIGNOSIS SYSTEM (CM) UZZER : CSULT-III Function (CM - UZZER) DT MITOR INFOID: Monitor Item [Unit] DOOR SW -DR [/] IGN SW [/] KEY SW [/] LIGHT SW 1ST [/] UCKLE SW [/] CTIVE TEST Test Item SET ELT WRN TEST LIGHT WRN LM IGN KEY WRN LM Description Front door switch (driver side) status judged by CM Ignition switch () status judged by ignition power supply input Key switch status Lighting switch status judged by the lighting switch signal read with combination switch reading function Seat belt buckle switch status Description The seat belt warning operation can be checked by operating the relevant function (On/Off). The light reminder warning operation can be checked by operating the relevant function (On/Off). The key reminder warning operation can be checked by operating the relevant function (On/Off). C D E F G H I J K L M WCS O P WCS-15

16 POWER SUPPLY ND GROUND CIRCUIT < COMPENT DIGNOSIS > COMPENT DIGNOSIS POWER SUPPLY ND GROUND CIRCUIT COMINTI METER COMINTI METER : Diagnosis Procedure INFOID: CHECK FUSES Check for blown combination meter fuses. Unit Power source Fuse No. Combination meter attery 19 Ignition switch or STRT 14 Is the inspection result normal? YES >> GO TO 2 NO >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. 2.POWER SUPPLY CIRCUIT CHECK 1. Disconnect combination meter connector M Check voltage between combination meter harness connector M24 terminals 3, 16 and ground. Connector M24 Terminals (+) Terminal Ignition switch position ( ) CC attery attery 3 voltage voltage Ground 16 0V 0V attery voltage attery voltage Is the inspection result normal? YES >> GO TO 3 NO >> Check harness for open between combination meter and fuse. 3.GROUND CIRCUIT CHECK 1. Turn ignition switch. 2. Check continuity between combination meter harness connector M24 terminals 13, 23 and ground. WKI3279E Terminals (+) Continuity ( ) Connector Terminal 13 M24 Ground Yes 23 Is the inspection result normal? YES >> Inspection End. NO >> Check ground harness. CM (ODY CTROL MODULE) CM (ODY CTROL MODULE) : Diagnosis Procedure WKI3280E INFOID: CHECK FUSES ND FUSILE LINK Check that the following fuses and fusible link are not blown. WCS-16

17 < COMPENT DIGNOSIS > POWER SUPPLY ND GROUND CIRCUIT Terminal No. Signal name Fuses and fusible link No (10) attery power supply 70 G (50) 11 Ignition CC or 4 (10) 38 Ignition or STRT 1 (10) Is the fuse blown? YES >> Replace the blown fuse or fusible link after repairing the affected circuit. NO >> GO TO 2 2. CHECK POWER SUPPLY CIRCUIT 1. Turn ignition switch. 2. Disconnect CM. 3. Check voltage between CM harness connector and ground. C D E Connector M18 M20 Terminals (+) (-) 11 Ground 38 Ground 57 Ground 70 Ground Power source CC power supply Ignition power supply attery power supply attery power supply Condition Ignition switch CC or Ignition switch or STRT Ignition switch Ignition switch Voltage (V) (pprox.) attery voltage attery voltage attery voltage attery voltage Is the measurement value normal? YES >> GO TO 3 NO >> Repair or replace harness. 3. CHECK GROUND CIRCUIT Check continuity between CM harness connector and ground. LII2415E F G H I J K L CM Continuity Connector Terminal Ground M20 67 Yes Does continuity exist? YES >> Inspection End. NO >> Repair or replace harness. LII0915E M WCS O P WCS-17

18 < COMPENT DIGNOSIS > METER UZZER CIRCUIT Description METER UZZER CIRCUIT INFOID: The buzzer for warning chime system is installed in the combination meter. The combination meter sounds the alarm buzzer based on the signals transmitted from various units. Component Function Check INFOID: CHECK OPERTI OF METER UZZER 1. Select UZZER of CM on CSULT-III. 2. Perform LIGHT WRN LM of CTIVE TEST. Does meter buzzer activate? YES >> Inspection End. NO >> Replace combination meter. Refer to MWI-93, "Removal and Installation". Diagnosis Procedure INFOID: CHECK POWER SUPPLY OF COMINTI METER Check power supply of combination meter. Refer to MWI-29, "COMINTI METER : Diagnosis Procedure". Is the inspection result normal? YES >> Inspection End. NO >> Repair or replace harness. WCS-18

19 < COMPENT DIGNOSIS > SET ELT UCKLE SWITCH SIGNL CIRCUIT SET ELT UCKLE SWITCH SIGNL CIRCUIT Description Transmits a seat belt buckle switch signal to the combination meter. Component Function Check 1. CHECK COMINTI METER INPUT SIGNL Select DT MITOR for METER/M& and check the SET ELT W/L monitor value. INFOID: INFOID: C SET ELT W/L When seat belt is fastened When seat belt is unfastened : : D E >> Inspection End. Diagnosis Procedure 1. CHECK COMINTI METER INPUT SIGNL 1. Turn ignition switch. 2. Check voltage between combination meter harness connector M24 terminal 24 and ground Ground When driver seat belt is fastened When driver seat belt is unfastened Is the inspection result normal? YES >> Replace combination meter. Refer to MWI-93, "Removal and Installation". NO >> GO TO 2 2. CHECK SET ELT UCKLE SWITCH CIRCUIT : pprox. 12V : pprox. 0V 1. Turn ignition switch. 2. Disconnect combination meter and seat belt buckle switch LH. 3. Check continuity between combination meter harness connector M24 terminal 24 and seat belt buckle switch LH harness connector 12 terminal : Continuity should exist. 4. Check continuity between combination meter harness connector M24 terminal 24 and ground. INFOID: WKI3294E F G H I J K L M WCS 24 - Ground : Continuity should not exist. WKI3295E Is the inspection result normal? YES >> GO TO 3 NO >> Repair or replace harness. 3. CHECK SET ELT UCKLE SWITCH GROUND CIRCUIT O P WCS-19

20 SET ELT UCKLE SWITCH SIGNL CIRCUIT < COMPENT DIGNOSIS > Check continuity between seat belt buckle switch LH harness connector 12 terminal 2 and ground. 2 - Ground : Continuity should exist. Is the inspection result normal? YES >> Inspection End. NO >> Repair or replace harness. Component Inspection WNI0087ZZ INFOID: CHECK SET ELT UCKLE SWITCH 1. Turn ignition switch. 2. Disconnect the seat belt buckle switch LH connector. 3. Check continuity between terminals 1 and When seat belt is fastened When seat belt is unfastened : Continuity should not exist. : Continuity should exist. Is the inspection result normal? YES >> Inspection End. NO >> Replace the seat belt buckle switch LH. WKI1143E WCS-20

21 < COMPENT DIGNOSIS > KEY SWITCH SIGNL CIRCUIT Description Transmits a key switch signal to the CM. Component Function Check KEY SWITCH SIGNL CIRCUIT 1. CHECK CM INPUT SIGNL Select DT MITOR for CM and check the KEY SW monitor value. INFOID: INFOID: C KEY SW When key is inserted into key cylinder When key is removed from key cylinder : : D E >> Inspection End. Diagnosis Procedure 1. CHECK FUSE Check if the key switch 10 fuse [No. 25, located in the fuse block (J/)] is blown. Is the fuse blown? YES >> Replace the blown fuse after repairing the affected circuit. NO >> GO TO 2 2. CHECK CM INPUT SIGNL Check voltage between CM harness connector and ground. INFOID: F G H I CM connector (+) Terminals Terminal ( ) M18 37 Ground Condition Voltage (pprox.) Key is inserted attery voltage Key is removed 0 Is the inspection result normal? YES >> Inspection End. NO >> GO TO 3 3. CHECK KEY SWITCH CIRCUIT 1. Disconnect CM and key switch. 2. Check continuity between CM harness connector M18 () and key switch harness connector M27 (). PKIC0721E J K L M WCS Continuity Connector Terminal Connector Terminal M18 37 M27 1 Yes 3. Check continuity between CM harness connector M18 () and ground. Continuity Connector Terminal Ground M18 37 No WKI4102E O P WCS-21

22 KEY SWITCH SIGNL CIRCUIT < COMPENT DIGNOSIS > Is the inspection result normal? YES >> GO TO 4 NO >> Repair or replace harness. 4. CHECK KEY SWITCH POWER SUPPLY CIRCUIT Check voltage between key switch harness connector and ground. Terminals Voltage (+) (pprox.) Key switch Terminal ( ) M27 3 Ground attery voltage Is the inspection result normal? YES >> Replace key switch. NO >> Repair or replace harness. Component Inspection WKI4103E INFOID: CHECK KEY SWITCH 1. Turn ignition switch. 2. Disconnect key switch. 3. Check continuity between key switch terminals 1 and When key is inserted into key cylinder When key is removed from key cylinder Is the inspection result normal? YES >> Inspection End. NO >> Replace key switch. : Continuity should exist. : Continuity should not exist. WKI4101E WCS-22

23 < COMPENT DIGNOSIS > WRNING CHIME SYSTEM Wiring Diagram WRNING CHIME SYSTEM INFOID: C D E F G H I J K L M WCS O P NW0171G WCS-23

24 < COMPENT DIGNOSIS > WRNING CHIME SYSTEM NI0535G WCS-24

25 < COMPENT DIGNOSIS > WRNING CHIME SYSTEM C D E F G H I J K L M WCS O NI0536G P WCS-25

26 < COMPENT DIGNOSIS > WRNING CHIME SYSTEM NI0537G WCS-26

27 < COMPENT DIGNOSIS > WRNING CHIME SYSTEM C D E F G H I J K L M WCS O NI0538G P WCS-27

28 < COMPENT DIGNOSIS > WRNING CHIME SYSTEM NI0539G WCS-28

29 < ECU DIGNOSIS > ECU DIGNOSIS COMINTI METER Reference Value TERMINL LYOUT COMINTI METER INFOID: C D E PHYSICL VLUES LKI0698E F Terminal Wire color Item Ignition switch Condition Operation or condition Reference value (V) (pprox.) 2 P Generator Generator voltage low 0 Generator voltage normal attery voltage 3 R/Y attery power supply attery voltage 4 /Y Fuel level sensor ground 0 5 W 6 S Vehicle speed signal output (2-pulse) Vehicle speed signal output (8-pulse) Speedometer operated [When vehicle speed is approx. 20 km/h (12 MPH)] Speedometer operated [When vehicle speed is approx. 40 km/h (25 MPH)] 240 Hz NOTE: Maximum voltage may be 12V due to specifications (connected units). G H I J K L 9 R Fuel level sensor signal Refer to MWI-11, "FUEL GUGE : System Description". 11 P CN-L 12 L CN-H 13 GR Ground 0 16 W/G Ignition switch or STRT attery voltage 22 R Illumination control switch Refer to INL-9, "System Description". 23 Ground 0 24 V 25 S Seat belt buckle switch LH DIFF LOCK indicator input Unfastened () 0 Fastened () attery voltage DIFF LOCK indicator 0 DIFF LOCK indicator attery voltage PKIC0643E M WCS O P WCS-29

30 < ECU DIGNOSIS > COMINTI METER ir bag warning lamp input Terminal Wire color 31 G Parking brake switch 32 S rake fluid level switch 33 LG Stop lamp switch 34 L Washer fluid level switch 37 S 39 G Security indicator input 40 LG Item Seat belt buckle switch RH Ignition switch Condition Operation or condition Reference value (V) (pprox.) Parking brake applied 0 Parking brake released attery voltage rake fluid level low 0 rake fluid level normal attery voltage rake pedal depressed attery voltage rake pedal released 0 Washer fluid level low 0 Washer fluid level normal attery voltage ir bag warning lamp 4 ir bag warning lamp 0 Security indicator 0 Security indicator attery voltage Unfastened () 0 Fastened () attery voltage WCS-30

31 < ECU DIGNOSIS > Wiring Diagram COMINTI METER INFOID: C D E F G H I J K L M WCS O P NW0172G WCS-31

32 < ECU DIGNOSIS > COMINTI METER NW0173G WCS-32

33 < ECU DIGNOSIS > COMINTI METER C D E F G H I J K L M WCS O NW0174G P WCS-33

34 < ECU DIGNOSIS > COMINTI METER NW0175G WCS-34

35 < ECU DIGNOSIS > COMINTI METER C D E F G H I J K L M WCS O NW0176G P WCS-35

36 < ECU DIGNOSIS > COMINTI METER NI0540G WCS-36

37 < ECU DIGNOSIS > COMINTI METER C D E F G H I J K L M WCS O NI0541G P WCS-37

38 < ECU DIGNOSIS > COMINTI METER NI0542G WCS-38

39 < ECU DIGNOSIS > COMINTI METER C D E F G H I J K L M WCS O NI0543G P WCS-39

40 < ECU DIGNOSIS > COMINTI METER NI0544G WCS-40

41 < ECU DIGNOSIS > COMINTI METER C D E F G H I J K L M WCS O NI0545G P WCS-41

42 < ECU DIGNOSIS > COMINTI METER NI0546G WCS-42

43 < ECU DIGNOSIS > COMINTI METER C D E F G H I J K L M WCS O NI0547G P WCS-43

44 < ECU DIGNOSIS > COMINTI METER NI0548G WCS-44

45 < ECU DIGNOSIS > COMINTI METER C D E F G H I J K L M WCS O NI0549G P WCS-45

46 < ECU DIGNOSIS > COMINTI METER NI0550G WCS-46

47 < ECU DIGNOSIS > COMINTI METER C D E F G H I J K L M WCS O Fail Safe NI0551G INFOID: P The combination meter performs a fail-safe operation for the functions listed below when communication is lost. WCS-47

48 < ECU DIGNOSIS > COMINTI METER Speedometer Function Specifications Tachometer Fuel gauge Zero indication. Engine coolant temperature gauge Engine oil pressure gauge (with VQ40DE) Voltage gauge (with VQ40DE) Illumination control Meter illumination Change to nighttime mode when communication is lost. Segment LCD uzzer Warning lamp/indicator lamp Odometer /T position S warning lamp rake warning lamp VDC indicator lamp SLIP indicator lamp T oil temp warning lamp Low washer fluid warning lamp Hill descent control indicator lamp Door open warning lamp CRUISE indicator lamp SET indicator lamp O/D indicator lamp Oil pressure warning lamp Malfunction indicator lamp ir bag warning lamp High beam indicator Turn signal indicator lamp Driver and passenger seat belt warning lamp Charge warning lamp Security indicator lamp 4WD indicator lamp TP indicator lamp Differential lock indicator lamp Low tire pressure warning lamp Freeze current indication. Display turns off. uzzer turns off. Lamp turns on when communication is lost. Lamp turns off when communication is lost. Lamp turns off when disconnected. Lamp will flash every second for 1 minute and then stay on continuously thereafter. WCS-48

49 < ECU DIGNOSIS > DTC Index COMINTI METER INFOID: CSULT-III display CN COMM CIRC [U1000] VEHICLE SPEED CIRC [2205] Malfunction Malfunction is detected in CN communication. CUTI: Even when there is no malfunction on CN communication system, malfunction may be misinterpreted when battery has low voltage (when maintaining 7-8 V for about 2 seconds) or 10 fuse [No. 19, located in the fuse block (J/)] is disconnected. Malfunction is detected when an erroneous speed signal is input. CUTI: Even when there is no malfunction on speed signal system, malfunction may be misinterpreted when battery has low voltage (when maintaining 7-8 V for about 2 seconds). Reference page MWI-27 MWI-28 NOTE: TIME indicates the following. 0: Indicates that a malfunction is detected at present. 1-63: Indicates that a malfunction was detected in the past. (Displays number of ignition switch cycles after malfunction is detected. Self-diagnosis result is erased when 63 is exceeded.) C D E F G H I J K L M WCS O P WCS-49

50 < ECU DIGNOSIS > CM (ODY CTROL MODULE) Reference Value CM (ODY CTROL MODULE) INFOID: VLUES THE DIGNOSIS TOOL IGN SW Monitor Item Condition Value/Status KEY SW CDL LOCK SW CDL UNLOCK SW DOOR SW-DR DOOR SW-S DOOR SW-RR DOOR SW-RL CK DOOR SW KEY CYL LK-SW KEY CYL UN-SW KEYLESS LOCK KEYLESS UNLOCK CC SW RER DEF SW LIGHT SW 1ST UCKLE SW KEYLESS PNIC KEYLESS TRUNK Ignition switch or CC Ignition switch Mechanical key is removed from key cylinder Mechanical key is inserted to key cylinder Door lock/unlock switch does not operate Press door lock/unlock switch to the lock side Door lock/unlock switch does not operate Press door lock/unlock switch to the unlock side Driver's door closed Driver's door opened Passenger door closed Passenger door opened Rear RH door closed Rear RH door opened Rear LH door closed Rear LH door opened NOTE: The item is indicated, but not monitored. Other than driver door key cylinder LOCK position Driver door key cylinder LOCK position Other than driver door key cylinder UNLOCK position Driver door key cylinder UNLOCK position LOCK button of key fob is not pressed LOCK button of key fob is pressed UNLOCK button of key fob is not pressed UNLOCK button of key fob is pressed Ignition switch Ignition switch CC or Rear window defogger switch Rear window defogger switch Lighting switch Lighting switch 1ST The seat belt (driver side) is unfastened. [Seat belt switch (driver side) ] The seat belt (driver side) is fastened. [Seat belt switch (driver side) ] PNIC button of key fob is not pressed PNIC button of key fob is pressed NOTE: The item is indicated, but not monitored. WCS-50

51 < ECU DIGNOSIS > CM (ODY CTROL MODULE) Monitor Item Condition Value/Status TRNK OPN MNTR RKE LCK-UNLCK RKE KEEP UNLK HI EM SW HED LMP SW 1 HED LMP SW 2 UTO LIGHT SW PSSING SW FR FOG SW RR FOG SW TURN SIGNL R TURN SIGNL L CRGO LMP SW OPTICL SENSOR IGN SW CN FR WIPER HI FR WIPER LOW FR WIPER INT NOTE: The item is indicated, but not monitored. LOCK/UNLOCK button of key fob is not pressed and held simultaneously LOCK/UNLOCK button of key fob is pressed and held simultaneously UNLOCK button of key fob is not pressed UNLOCK button of key fob is pressed and held Lighting switch Lighting switch HI Lighting switch Lighting switch 2ND Lighting switch Lighting switch 2ND Lighting switch Lighting switch UTO Other than lighting switch PSS Lighting switch PSS Front fog lamp switch Front fog lamp switch NOTE: The item is indicated, but not monitored. Turn signal switch Turn signal switch RH Turn signal switch Turn signal switch LH Cargo lamp switch Cargo lamp switch right outside vehicle Dark outside vehicle Ignition switch or CC Ignition switch Front wiper switch Front wiper switch HI Front wiper switch Front wiper switch LO Front wiper switch Front wiper switch INT Front washer switch FR WSHER SW Front washer switch INT VOLUME Wiper intermittent dial is in a dial position ny position other than front wiper stop position FR WIPER STOP Front wiper stop position VEHICLE SPEED While driving Equivalent to speedometer reading RR WIPER NOTE: The item is indicated, but not monitored. 5V 0V C D E F G H I J K L M WCS O P WCS-51

52 < ECU DIGNOSIS > CM (ODY CTROL MODULE) RR WIPER INT RR WSHER SW RR WIPER STOP RR WIPER STP2 H/L WSH SW HZRD SW RKE SW FN SIG IR CD SW TRNK OPNR SW TRUNK CYL SW HOOD SW OIL PRESS SW IR PRESS FL IR PRESS FR IR PRESS RR IR PRESS RL ID REGST FL1 ID REGST FR1 ID REGST RR1 ID REGST RL1 WRNING LMP UZZER Monitor Item Condition Value/Status NOTE: The item is indicated, but not monitored. NOTE: The item is indicated, but not monitored. NOTE: The item is indicated, but not monitored. NOTE: The item is indicated, but not monitored. NOTE: The item is indicated, but not monitored. Hazard switch Hazard switch rake pedal is not depressed rake pedal is depressed lower fan motor switch lower fan motor switch (other than ) Compressor is not requested from auto amp. (/C indicator, blower fan motor switch or etc.) Compressor is requested from auto amp. (/C indicator and blower fan motor switch ). NOTE: The item is indicated, but not monitored. NOTE: The item is indicated, but not monitored. NOTE: The item is indicated, but not monitored. Ignition switch or CC Engine running Ignition switch Ignition switch (Only when the signal from the transmitter is received) Ignition switch (Only when the signal from the transmitter is received) Ignition switch (Only when the signal from the transmitter is received) Ignition switch (Only when the signal from the transmitter is received) ID of front LH tire transmitter is registered ID of front LH tire transmitter is not registered ID of front RH tire transmitter is registered ID of front RH tire transmitter is not registered ID of rear RH tire transmitter is registered ID of rear RH tire transmitter is not registered ID of rear LH tire transmitter is registered ID of rear LH tire transmitter is not registered Tire pressure indicator Tire pressure indicator Tire pressure warning alarm is not sounding Tire pressure warning alarm is sounding WCS-52 ir pressure of front LH tire ir pressure of front RH tire ir pressure of rear RH tire ir pressure of rear LH tire DE YET DE YET DE YET DE YET

53 < ECU DIGNOSIS > Terminal Layout CM (ODY CTROL MODULE) INFOID: C D E F G H I J K L M WCS O P LII2443E Physical Values INFOID: WCS-53

54 < ECU DIGNOSIS > CM (ODY CTROL MODULE) Terminal Wire color Item Signal input/ output Ignition switch Measuring condition Operation or condition Reference value or waveform (pprox.) 1 R Ignition keyhole illumination Output Door is locked (SW ) Door is unlocked (SW ) attery voltage 0V 2 P Combination switch input 5 Input Lighting, turn, wiper Wiper dial position 4 SKI5291E 3 S Combination switch input 4 Input Lighting, turn, wiper Wiper dial position 4 SKI5292E 4 V Combination switch input 3 Input Lighting, turn, wiper Wiper dial position 4 SKI5291E 5 L Combination switch input 2 6 R Combination switch input 1 Input Lighting, turn, wiper Wiper dial position 4 SKI5292E 7 GR 8 S Front door lock assembly LH (key cylinder switch) unlock Front door lock assembly LH (key cylinder switch) lock Input Input (open, 2nd turn) Momentary 1.5V (closed) On (open) Momentary 1.5V (closed) 0V 0V 9 Y Rear window defogger switch Input Rear window defogger switch Rear window defogger switch 0V 5V 11 G/ Ignition switch (CC or ) Input CC or Ignition switch CC or attery voltage Front door switch RH (ll) (open) 0V 12 LG Rear door switch upper RH (King Cab) Rear door switch lower RH (King Cab) Input (closed) attery voltage WCS-54

55 < ECU DIGNOSIS > CM (ODY CTROL MODULE) Terminal Wire color Item Signal input/ output Ignition switch Measuring condition Operation or condition Reference value or waveform (pprox.) 13 L Rear door switch RH (Crew Cab) Input (open) (closed) 0V attery voltage 15 W 18 R Tire pressure warning check connector Remote keyless entry receiver (Ground) Input 5V Output 0V C D 19 V Remote keyless entry receiver (power supply) Output Ignition switch E LII1893E F Stand-by (keyfob buttons released) G 20 G Remote keyless entry receiver signal (Signal) Input When remote keyless entry receiver receives signal from keyfob (keyfob buttons pressed) LII1894E H I J 21 GR NTS antenna amp. Input Ignition switch ( ) LII1895E Just after turning ignition switch : Pointer of tester should move. K 23 G Security indicator lamp Output Goes illuminates (Every 2.4 seconds) attery voltage 0V L 25 R NTS antenna amp. Input Ignition switch ( ) Just after turning ignition switch : Pointer of tester should move. M 27 W Compressor signal Input 28 R Front blower monitor Input 29 G Hazard switch Input /C switch /C switch Front blower motor Front blower motor 5V 0V attery voltage 0V 0V 5V WCS O 31 GR Cargo lamp switch Input 0V attery voltage P WCS-55

56 < ECU DIGNOSIS > CM (ODY CTROL MODULE) Terminal Wire color Item Signal input/ output Ignition switch Measuring condition Operation or condition Reference value or waveform (pprox.) 32 O Combination switch output 5 Output Lighting, turn, wiper Wiper dial position 4 SKI5291E 33 GR Combination switch output 4 Output Lighting, turn, wiper Wiper dial position 4 SKI5292E 34 G Combination switch output 3 Output Lighting, turn, wiper Wiper dial position 4 SKI5291E 35 R Combination switch output 2 36 LG Combination switch output 1 Output Lighting, turn, wiper Wiper dial position 4 37 Key switch Input Key inserted attery voltage Key removed 0V 38 W/R Ignition switch () Input attery voltage 39 L CN-H 40 P CN-L 45 V Lock switch Input 46 LG Unlock switch Input 47 GR 48 P Front door switch LH (ll) Rear door switch upper LH (King Cab) Rear door switch lower LH (King Cab) Rear door switch LH (Crew Cab) Input Input 50 P Cargo lamp Output (lock) (unlock) (open) WCS-56 (closed) (open) (closed) ny door open () ll doors closed () 0V attery voltage 0V attery voltage 0V attery voltage 0V attery voltage 0V attery voltage SKI5292E

57 < ECU DIGNOSIS > CM (ODY CTROL MODULE) Terminal Wire color Item Signal input/ output Ignition switch Measuring condition Operation or condition Reference value or waveform (pprox.) 51 G Trailer turn signal (right) Output Turn right C SKI3009J D 52 V Trailer turn signal (left) Output Turn left E 30 minutes after ignition 56 V attery saver output Output switch is turned 0V attery voltage 57 R/Y attery power supply Input attery voltage 58 W Optical sensor Input 59 GR Front door lock assembly LH (unlock) Output When optical sensor is illuminated When optical sensor is not illuminated (neutral) (unlock) 3.1V or more 0.6V or less 0V attery voltage SKI3009J F G H I J 60 LG Turn signal (left) Output Turn left K SKI3009J L M 61 G Turn signal (right) Output Turn right WCS SKI3009J 63 R 65 V Interior room/map lamp ll door lock actuators (lock) Output Output ny door switch (neutral) (lock) (open) (closed) 0V attery voltage 0V attery voltage Front door lock actuator (neutral) 0V RH, rear door lock 66 L actuators LH/RH (unlock) Output (unlock) attery voltage 67 Ground Input 0V O P WCS-57

58 < ECU DIGNOSIS > CM (ODY CTROL MODULE) Terminal Wire color 68 O Item Power window power supply (RP) Signal input/ output Ignition switch Output Measuring condition Operation or condition Ignition switch Within 45 seconds after ignition switch More than 45 seconds after ignition switch When front door LH or RH is open or power window timer operates Reference value or waveform (pprox.) attery voltage attery voltage 69 P Power window power Output attery voltage supply (T) 70 W attery power supply Input attery voltage 0V 0V WCS-58

59 < ECU DIGNOSIS > Wiring Diagram CM (ODY CTROL MODULE) INFOID: C D E F G H I J K L M WCS O MW0116G P WCS-59

60 < ECU DIGNOSIS > CM (ODY CTROL MODULE) MW0117G WCS-60

61 < ECU DIGNOSIS > CM (ODY CTROL MODULE) C D E F G H I J K L M WCS O MI0315G P WCS-61

62 < ECU DIGNOSIS > CM (ODY CTROL MODULE) Fail Safe MI0316G INFOID: Fail-safe index CM performs fail-safe control when any DTC listed below is detected. WCS-62

63 < ECU DIGNOSIS > CM (ODY CTROL MODULE) Display contents of CSULT Fail-safe Cancellation U1000: CN COMM CIRCUIT Inhibit engine cranking When the CM re-establishes communication with the other modules. U1010: CTROL UNIT (CN) Inhibit engine cranking When the CM re-start communicating with the other modules. DTC Inspection Priority Chart INFOID: If some DTCs are displayed at the same time, perform inspections one by one based on the following priority chart. Priority DTC Index U1000: CN COMM CIRCUIT U1010: CTROL UNIT (CN) 2190: NTS NTENN MP 2191: DIFFERENCE OF KEY 2192: ID DISCORD CM-ECM 2193: CHIN OF CM-ECM C1729: VHCL SPEED SIG ERR C1735: IGNITI SIGNL C1704: LOW PRESSURE FL C1705: LOW PRESSURE FR C1706: LOW PRESSURE RR C1707: LOW PRESSURE RL C1708: [NO DT] FL C1709: [NO DT] FR C1710: [NO DT] RR C1711: [NO DT] RL C1712: [CHECKSUM ERR] FL C1713: [CHECKSUM ERR] FR C1714: [CHECKSUM ERR] RR C1715: [CHECKSUM ERR] RL C1716: [PRESSDT ERR] FL C1717: [PRESSDT ERR] FR C1718: [PRESSDT ERR] RR C1719: [PRESSDT ERR] RL C1720: [CODE ERR] FL C1721: [CODE ERR] FR C1722: [CODE ERR] RR C1723: [CODE ERR] RL C1724: [TT VOLT LOW] FL C1725: [TT VOLT LOW] FR C1726: [TT VOLT LOW] RR C1727: [TT VOLT LOW] RL INFOID: NOTE: Details of time display CRNT: Displays when there is a malfunction now or after returning to the normal condition until turning ignition switch again. 1-39: Displayed if any previous malfunction is present when current condition is normal. It increases like after returning to the normal condition whenever ignition switch. The counter remains at 39 even if the number of cycles exceeds it. It is counted from 1 again when turning ignition switch after returning to the normal condition if the malfunction is detected again. DTC C D E F G H I J K L M WCS O P WCS-63

64 < ECU DIGNOSIS > CM (ODY CTROL MODULE) No DTC is detected. further testing may be required. CSULT display Fail-safe Tire pressure monitor warning lamp Reference page U1000: CN COMM CIRCUIT CS-30 U1010: CTROL UNIT (CN) CS : NTS NTTEN MP SEC : DIFFERENCE OF KEY SEC : ID DISCORD CM-ECM SEC : CHIN OF CM-ECM SEC-24 C1708: [NO DT] FL WT-14 C1709: [NO DT] FR WT-14 C1710: [NO DT] RR WT-14 C1711: [NO DT] RL WT-14 C1712: [CHECKSUM ERR] FL WT-16 C1713: [CHECKSUM ERR] FR WT-16 C1714: [CHECKSUM ERR] RR WT-16 C1715: [CHECKSUM ERR] RL WT-16 C1716: [PRESSDT ERR] FL WT-18 C1717: [PRESSDT ERR] FR WT-18 C1718: [PRESSDT ERR] RR WT-18 C1719: [PRESSDT ERR] RL WT-18 C1720: [CODE ERR] FL WT-16 C1721: [CODE ERR] FR WT-16 C1722: [CODE ERR] RR WT-16 C1723: [CODE ERR] RL WT-16 C1724: [TT VOLT LOW] FL WT-16 C1725: [TT VOLT LOW] FR WT-16 C1726: [TT VOLT LOW] RR WT-16 C1727: [TT VOLT LOW] RL WT-16 C1729: VHCL SPEED SIG ERR WT-19 C1735: IGNITI SIGNL WCS-64

65 < SYMPTOM DIGNOSIS > THE LIGHT REMINDER WRNING DOES NOT SOUND SYMPTOM DIGNOSIS THE LIGHT REMINDER WRNING DOES NOT SOUND Description Light reminder warning does not sound even though headlamp is illuminated. Diagnosis Procedure INFOID: INFOID: C 1.CHECK COMINTI SWITCH (LIGHTING SWITCH) OPERTI Check that the headlamps operate normally by operating the combination switch (lighting switch). Do they operate normally? YES >> GO TO 2 NO >> Refer to EXL-4, "Work Flow". 2.CHECK FRT DOOR SWITCH LH SIGNL CIRCUIT Perform inspection of the front door switch LH signal circuit. Refer to DLK-29, "CREW C : Diagnosis Procedure" or DLK-29, "CREW C : Diagnosis Procedure". Is the inspection result normal? YES >> GO TO 3 NO >> Repair harness or connector. 3.CHECK FRT DOOR SWITCH LH Perform a unit inspection for the front door switch LH. Refer to DLK-29, "CREW C : Component Function Check" or DLK-27, "KING C : Component Function Check". Is the inspection result normal? YES >> Replace the CM. Refer to CS-56, "Removal and Installation". NO >> Replace the front door switch LH. D E F G H I J K L M WCS O P WCS-65

66 THE SET ELT WRNING CTINUES SOUNDING, OR DOES NOT SOUND < SYMPTOM DIGNOSIS > THE SET ELT WRNING CTINUES SOUNDING, OR DOES NOT SOUND Description INFOID: Seat belt warning does not sound even though driver seat belt is not fastened. Seat belt warning sounds even though driver seat belt is fastened. Diagnosis Procedure INFOID: CHECK WRNING CHIME OPERTI 1. With key removed from key switch and the front door LH open, turn lighting switch to 1st or 2nd position. 2. Return lighting switch to off position, and insert key into key switch. Does warning chime sound for both steps? YES >> GO TO 2 NO >> Replace combination meter. Refer to MWI-93, "Removal and Installation". 2.CHECK SET ELT WRNING LMP 1. Turn ignition switch. 2. Check the operation of the seat belt warning lamp in the combination meter. Seat belt fastened Seat belt not fastened : : Is the inspection result normal? YES >> Replace CM. Refer to CS-56, "Removal and Installation". NO >> GO TO 3 3.CHECK SET ELT UCKLE SWITCH CIRCUIT Perform inspection of the seat belt buckle switch circuit. Refer to WCS-19, "Diagnosis Procedure". Is the inspection result normal? YES >> GO TO 4 NO >> Repair harness or connector. 4.CHECK SET ELT UCKLE SWITCH UNIT Perform a unit inspection for the seat belt buckle switch. Refer to WCS-20, "Component Inspection". Is the inspection result normal? YES >> Replace the combination meter. Refer to MWI-93, "Removal and Installation". NO >> Replace the seat belt buckle switch LH. WCS-66