POWER CONTROL SYSTEM SECTION PCS CONTENTS ELECTRICAL & POWER CONTROL PCS-1 IPDM E/R COMPONENT DIAGNOSIS...18 BASIC INSPECTION... 2

Transcription

1 ELETRIAL & POWER TROL SETI PS A POWER TROL SYSTEM B D TENTS E IPDM E/R SULT - III Function (IPDM E/R)...15 F BASI INSPETI... 2 DIAGNOSIS AND REPAIR WORKFLOW... 2 Work Flow...2 FUNTI DIAGNOSIS... 5 RELAY TROL SYSTEM... 5 System Diagram...5 System Description...6 omponent Parts Location...7 POWER DISTRIBUTI SYSTEM... 8 System Description...8 omponent Parts Location...8 omponent Description...8 POWER TROL SYSTEM... 9 System Diagram...9 System Description...9 SIGNAL BUFFER SYSTEM...10 System Diagram...10 System Description...10 POWER SUMPTI TROL SYS- TEM...11 System Diagram...11 System Description...11 omponent Parts Location...12 DIAGNOSIS SYSTEM (IPDM E/R)...13 Diagnosis Description...13 OMPENT DIAGNOSIS...18 U1000 AN OMM IRUIT...18 Description...18 DT Logic...18 Diagnosis Procedure...18 POWER SUPPLY AND GROUND IRUIT...19 Diagnosis Procedure...19 EU DIAGNOSIS...20 IPDM E/R (INTELLIGENT POWER DISTRI- BUTI MODULE ENGINE ROOM)...20 Reference Value...20 Terminal Layout...22 Physical Values...22 Wiring Diagram...26 Fail Safe...30 DT Index...32 PREAUTI...33 PREAUTIS...33 Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TEN- SIER" VEHILE REPAIR...34 IPDM E/R (INTELLIGENT POWER DISTRI- BUTI MODULE ENGINE ROOM)...34 Removal and Installation of IPDM E/R...34 G H I J K L PS N O P PS-1

2 < BASI INSPETI > DIAGNOSIS AND REPAIR WORKFLOW BASI INSPETI DIAGNOSIS AND REPAIR WORKFLOW Work Flow INFOID: OVERALL SEQUENE DETAILED FLOW PS-2 JMKIA0101GB

3 DIAGNOSIS AND REPAIR WORKFLOW < BASI INSPETI > 1. GET INFORMATI FOR SYMPTOM Get the detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred). >> GO TO 2 2. HEK DT 1. heck DT. 2. Perform the following procedure if DT is displayed. - Record DT and freeze frame data. - Erase DT. - Study the relationship between the cause detected by DT and the symptom described by the customer. 3. heck related service bulletins for information. Is any symptom described and any DT detected? Symptom is described, DT is displayed>>go TO 3 Symptom is described, DT is not displayed>>go TO 4 Symptom is not described, DT is displayed>>go TO 5 3. FIRM THE SYMPTOM onfirm the symptom described by the customer. onnect SULT-III to the vehicle in DATA MITOR mode and check real time diagnosis results. Verify relationship between the symptom and the condition when the symptom is detected. >> GO TO 5 4. FIRM THE SYMPTOM onfirm the symptom described by the customer. onnect SULT-III to the vehicle in DATA MITOR mode and check real time diagnosis results. Verify relationship between the symptom and the condition when the symptom is detected. >> GO TO 6 5. PERFORM DT FIRMATI PROEDURE Perform DT onfirmation Procedure for the displayed DT, and then check that DT is detected again. At this time, always connect SULT-III to the vehicle, and check diagnostic results in real time. NOTE: Freeze frame data is useful if the DT is not detected. Perform omponent Function heck if DT onfirmation Procedure is not included in Service Manual. This simplified check procedure is an effective alternative though DT cannot be detected during this check. If the result of omponent Function heck is NG, it is the same as the detection of DT by DT onfirmation Procedure. Is DT detected? YES >> GO TO 8 NO >> Refer to GI-49, "Intermittent Incident". 6. PERFORM BASI INSPETI Perform basic inspection of system. Inspection End>>GO TO 7 7. DETET MALFUNTIING SYSTEM BY SYMPTOM TABLE Detect malfunctioning system according to PS-8, "System Description" based on the confirmed symptom in step 4, and determine the trouble diagnosis order based on possible causes and symptom. A B D E F G H I J K L PS N O P >> GO TO 8 8. DETET MALFUNTIING PART BY DIAGNOSTI PROEDURE PS-3

4 < BASI INSPETI > DIAGNOSIS AND REPAIR WORKFLOW Inspect according to Diagnostic Procedure of the system. NOTE: The Diagnostic Procedure described based on open circuit inspection. A short circuit inspection is also required for the circuit check in the Diagnostic Procedure. Is malfunctioning part detected? YES >> GO TO 9 NO >> heck voltage of related BM terminals using SULT-III. 9. REPAIR OR REPLAE THE MALFUNTIING PART 1. Repair or replace the malfunctioning part. 2. Reconnect parts or connectors disconnected during Diagnostic Procedure again after repair and replacement. 3. heck DT. If DT is displayed, erase it. >> GO TO FINAL HEK When DT was detected in step 2, perform DT onfirmation Procedure or omponent Function heck again, and then check that the malfunction have been fully repaired. When symptom was described from the customer, refer to confirmed symptom in step 3 or 4 and check that the symptom is not detected. OK or NG NG (DT is detected)>>go TO 8 NG (Symptom remains)>>go TO 6 OK >> Inspection End. PS-4

5 < FUNTI DIAGNOSIS > FUNTI DIAGNOSIS RELAY TROL SYSTEM System Diagram RELAY TROL SYSTEM INFOID: A B D E F G H I J K L PS N O P AWMIA1128GB PS-5

6 < FUNTI DIAGNOSIS > System Description RELAY TROL SYSTEM INFOID: IPDM E/R activates the internal control circuit to perform the relay - control according to the input signals from various sensors and the request signals received from control units via AN communication. AUTI: IPDM E/R integrated relays cannot be removed. ontrol relay Input/output Transmit unit ontrol part Front fog lamp relay (if equipped) Headlamp (LH) high relay Headlamp (RH) high relay Headlamp low relay Front fog lamp request signal High beam request signal Low beam request signal BM (AN) BM (AN) Tail lamp relay Position light request signal BM (AN) Front wiper relay Front wiper high relay Front fog lamps (if equipped) Headlamp high Headlamp low Parking lamps License plate lamps Tail lamps Trailer tow relay (if equipped) Illumination system Reference page EXL-40 EXL-36 EXL-38 EXL-42 Front wiper request signal BM (AN) Front wiper motor WW-57 Rear window defogger relay Rear window defogger request signal BM (AN) Rear window defogger DEF-4 A/ relay A/ request signal BM (AN) EM (AN) A/ compressor HA-40 Starter relay Ignition switch START signal TM Starter motor STR-34 ooling fan relays ooling fan request signal EM (AN) ooling fan relay E-494 Heated mirror relay Heated mirror request signal BM (AN) Door mirrors DEF-4 EM relay EM relay control signal EM (AN) EM relay Throttle control motor relay Throttle control motor control signal EM (AN) Throttle control motor relay E-27, E-478 E-34, E-486 Fuel pump relay Fuel pump request signal EM (AN) Fuel pump E-858 Ignition relay Ignition switch signal Ignition switch Ignition relay E-862 PS-6

7 < FUNTI DIAGNOSIS > omponent Parts Location RELAY TROL SYSTEM INFOID: A B D E F G H 1. IPDM E/R E118, E119, E120, E121, E122, E123, E124 AWMIA0532ZZ I J K L PS N O P PS-7

8 < FUNTI DIAGNOSIS > POWER DISTRIBUTI SYSTEM System Description POWER DISTRIBUTI SYSTEM INFOID: INPUT/OUTPUT SIGNAL HART Switch Input Signal to BM BM system Actuator Ignition switch Ignition switch Ignition relay (IPDM E/R) A/T device P range Power distribution system A relay PNP switch N, P range Blower relay SYSTEM DESRIPTI PDS (POWER DISTRIBUTI SYSTEM) is the system that BM controls with the operation of the ignition switch and performs the power distribution to each power circuit. The ignition switch operation is input to BM as a signal. BM changes the power supply position according to the status and operates the ignition relay (inside IPDM E/R) to supply power to each power circuit. omponent Parts Location INFOID: ALMIA0312ZZ 1. IPDM E/R (contains ignition relay) E118, E119, E120, E121, E122, E123, E124 omponent Description 2. BM (view with lower instrument panel LH removed) M18, M19, M20 INFOID: IPDM E/R Ignition relay (in IPDM E/R) Park/neutral position switch BM Reference PS-6 PS-6 TM-163 PS-8

9 < FUNTI DIAGNOSIS > POWER TROL SYSTEM System Diagram POWER TROL SYSTEM INFOID: A B AWMIA0527GB D System Description INFOID: E OOLING FAN TROL IPDM E/R controls the cooling fan according to the status of the cooling fan speed request signal received from EM via AN communication. Refer to LAN-4, "System Description". F G H I J K L PS N O P PS-9

10 < FUNTI DIAGNOSIS > SIGNAL BUFFER SYSTEM System Diagram SIGNAL BUFFER SYSTEM INFOID: AWMIA1129GB System Description INFOID: IPDM E/R reads the status of the oil pressure switch and transmits the oil pressure switch signal to BM via AN communication. Refer to LAN-4, "System Description". PS-10

11 < FUNTI DIAGNOSIS > POWER SUMPTI TROL SYSTEM POWER SUMPTI TROL SYSTEM System Diagram INFOID: A B D E ALIA0030GB F System Description INFOID: OUTLINE IPDM E/R incorporates a power consumption control function that reduces the power consumption according to the vehicle status. IPDM E/R changes its status (control mode) with the sleep wake up signal received from BM via AN communication. Normal mode (wake-up) - AN communication is normally performed with other control units. - Individual unit control by IPDM E/R is normally performed. Low power consumption mode (sleep) - Low power consumption control is active. - AN transmission is stopped. SLEEP MODE ATIVATI IPDM E/R judges that the sleep-ready conditions are fulfilled when the ignition switch is and none of the conditions below are present. Then it transmits a sleep-ready signal (ready) to BM via AN communication. - Front wiper fail-safe operation - Outputting signals to actuators - Switches or relays operating - Auto active test is starting - Emergency - Output requests are being received from control units via AN communication. IPDM E/R stops AN communication and enters the low power consumption mode when it receives a sleep wake up signal (sleep) from BM and the sleep-ready conditions are fulfilled. WAKE-UP OPERATI IPDM E/R changes from the low power consumption mode to the normal mode when it receives a sleep wake-up signal (wake up) from BM or any of the following conditions is fulfilled. In addition, it transmits a sleep-ready signal (not-ready) to BM via AN communication to report the AN communication start. - Ignition switch - An output request is received from a control unit via AN communication. G H I J K L PS N O P PS-11

12 < FUNTI DIAGNOSIS > omponent Parts Location POWER SUMPTI TROL SYSTEM INFOID: AWMIA0533ZZ 1. IPDM E/R E118, E119, E120, E121, E122, E123, E ombination meter M24 3. BM (view with lower instrument panel LH removed) M18, M19, M20 PS-12

13 < FUNTI DIAGNOSIS > DIAGNOSIS SYSTEM (IPDM E/R) Diagnosis Description DIAGNOSIS SYSTEM (IPDM E/R) INFOID: A AUTO ATIVE TEST Description In auto active test mode, the IPDM E/R sends a drive signal to the following systems to check their operation. Oil pressure low warning indicator Oil pressure gauge (if equipped) Rear window defogger Front wipers Tail, license and parking lamps Front fog lamps (if equipped) Headlamps (Hi, Lo) A/ compressor (magnetic clutch) (if equipped) ooling fan Operation Procedure 1. lose the hood and front door RH, and lift the wiper arms from the windshield (to prevent windshield damage due to wiper operation). NOTE: When auto active test is performed with hood opened, sprinkle water on windshield before hand. 2. Turn ignition switch. 3. Turn the ignition switch and, within 20 seconds, press the front door switch LH 10 times. Then turn the ignition switch. 4. Turn the ignition switch within 10 seconds. After that the horn sounds once and the auto active test starts. 5. After a series of the following operations is repeated 3 times, auto active test is completed. NOTE: When auto active test mode has to be cancelled halfway through test, turn ignition switch. AUTI: If auto active test mode cannot be actuated, check door switch system. Refer to DLK-27, "KING AB : Description" or DLK-29, "REW AB : Description". Do not start the engine. Inspection in Auto Active Test Mode When auto active test mode is actuated, the following 7 steps are repeated 3 times. B D E F G H I J K L PS N O P WKIA5030E Item Number Test Item Operation Time/Frequency 1 Rear window defogger (rew cab only) 10 seconds 2 Front wipers LOW 5 seconds then HIGH 5 seconds 3 Tail, license plate, front fog and parking lamps 10 seconds PS-13

14 < FUNTI DIAGNOSIS > DIAGNOSIS SYSTEM (IPDM E/R) Item Number Test Item Operation Time/Frequency 4 Headlamps Low for 10 seconds, then High - five times. 5 A/ compressor (magnet clutch) (if equipped) - 5 times 6 ooling fan LOW 5 seconds then HIGH 5 seconds oncept of auto active test IPDM E/R starts the auto active test with the door switch signals transmitted by BM via AN communication. Therefore, the AN communication line between IPDM E/R and BM is considered normal if the auto active test starts successfully. The auto active test facilitates troubleshooting if any systems controlled by IPDM E/R cannot be operated. Diagnosis chart in auto active test mode AWMIA0528GB Symptom Inspection contents Possible cause Oil pressure low warning indicator does not operate Oil pressure gauge does not operate Rear window defogger does not operate Perform auto active test. Does the oil pressure low warning indicator operate? Perform auto active test. Does the oil pressure gauge operate? Perform auto active test. Does the rear window defogger operate? YES NO YES NO YES NO IPDM E/R signal input circuit EM signal input circuit AN communication signal between EM and combination meter AN communication signal between IPDM E/R, BM and combination meter IPDM E/R signal input circuit AN communication signal between IPDM E/R, BM and combination meter BM signal input circuit Harness or connector between A/ and AV switch assembly and AV control unit AN communication signal between BM and IPDM E/ R PS-14

15 < FUNTI DIAGNOSIS > DIAGNOSIS SYSTEM (IPDM E/R) Any of the following components do not operate Front wipers Tail lamps License plate lamps Parking lamps Front fog lamps (if equipped) Headlamps (Hi, Lo) A/ compressor does not operate ooling fan does not operate Symptom Inspection contents Possible cause SULT - III Function (IPDM E/R) Perform auto active test. Does the applicable system operate? Perform auto active test. Does the A/ compressor operate? Perform auto active test. Does the cooling fan operate? APPLIATI ITEM SULT-III performs the following functions via AN communication with IPDM E/R. YES NO YES NO YES NO BM signal input system Lamp or front wiper motor malfunction Lamp or front wiper motor ground circuit Harness or connector between IPDM E/R and applicable system IPDM E/R (integrated relay malfunction) BM signal input circuit AN communication signal between BM and EM AN communication signal between EM and IPDM E/ R Magnetic clutch malfunction Harness or connector between IPDM E/R and magnetic clutch IPDM E/R (integrated relay malfunction) EM signal input circuit AN communication signal between EM and IPDM E/ R ooling fan motor malfunction Harness or connector between IPDM E/R and cooling fan IPDM E/R (integrated relay malfunction) INFOID: A B D E F G H I J K L Diagnosis mode EU Identification Self Diagnostic Result Data Monitor Active Test AN Diag Support Monitor SELF DIAGNOSTI Refer to PS-32, "DT Index". DATA MITOR Monitor item Description Allows confirmation of IPDM E/R part number. Displays the diagnosis results judged by IPDM E/R. Displays the real-time input/output data from IPDM E/R input/output data. IPDM E/R can provide a drive signal to electronic components to check their operations. The results of transmit/receive diagnosis of AN communication can be read. PS N O P PS-15

16 < FUNTI DIAGNOSIS > DIAGNOSIS SYSTEM (IPDM E/R) Monitor Item [Unit] MOTOR FAN REQ [1/2/3/4] A/ OMP REQ [/] TAIL&LR REQ [/] HL LO REQ [/] HL HI REQ [/] FR FOG REQ [/] HL WASHER REQ [/] FR WIP REQ [STOP/1LOW/LOW/HI] WIP AUTO STOP [STOP P/AT P] WIP PROT [/Block] ST RLY REQ [/] IGN RLY [/] RR DEF REQ [/] OIL P SW [OPEN/LOSE] DTRL REQ [] HOOD SW [OPEN/LOSE] THFT HRN REQ [/] HORN HIRP [/] MAIN SIG- NALS Description Displays the status of the cooling fan speed request signal received from EM via AN communication. Displays the status of the A/ request signal received from BM via AN communication. Displays the status of the position light request signal received from BM via AN communication. Displays the status of the low beam request signal received from BM via AN communication. Displays the status of the high beam request signal received from BM via AN communication. Displays the status of the front fog lamp request signal received from BM via AN communication. NOTE: This item is displayed, but cannot be monitored. Displays the status of the front wiper request signal received from BM via AN communication. Displays the status of the front wiper auto stop signal judged by IPDM E/R. Displays the status of the front wiper fail-safe operation judged by IPDM E/R. Displays the status of the starter request signal received from EM via AN communication. Displays the status of the ignition relay judged by IPDM E/R. Displays the status of the rear defogger request signal received from AV control unit via AN communication. Displays the status of the oil pressure switch judged by IPDM E/R. NOTE: This item is displayed, but cannot be monitored. NOTE: This item is displayed, but cannot be monitored. Displays the status of the theft warning horn request signal received from BM via AN communication. Displays the status of the horn reminder signal received from BM via AN communication. ATIVE TEST Test item Test item Operation Description REAR DEFOGGER Operates rear window defogger relay. FRT WIPER LO Operates the front wiper relay. HI Operates the front wiper relay and front wiper high relay. HEAD LAMP WASHER PS-16

17 < FUNTI DIAGNOSIS > DIAGNOSIS SYSTEM (IPDM E/R) MOTOR FAN Test item Operation Description EXTERNAL LAMPS Operates the cooling fan relay. 4 Operates the cooling fan relay. TAIL LO Operates the tail lamp relay. Operates the headlamp low relay. HI Operates the headlamp low relay and the headlamp (LH/RH) high relays alternately at 1 second intervals. FOG Operates the front fog lamp relay HORN Operates horn relay for 20 ms. A B D E F G H I J K L PS N O P PS-17

18 U1000 AN OMM IRUIT < OMPENT DIAGNOSIS > OMPENT DIAGNOSIS U1000 AN OMM IRUIT Description INFOID: Refer to LAN-4, "System Description". DT Logic INFOID: DT DETETI LOGI DT U1000 SULT-III display description AN OMM IRUIT DT FIRMATI PROEDURE Diagnosis Procedure DT Detection ondition When IPDM E/R cannot communicate AN communication signal continuously for 2 seconds or more Possible cause In AN communication system, any item (or items) of the following listed below is malfunctioning. Receiving (TM) Receiving (EM) Receiving (BM) Receiving (ombination meter) INFOID: PERFORM SELF DIAGNOSTI 1. Turn ignition switch and wait for 2 seconds or more. 2. heck SELF-DIAG RESULTS of IPDM E/R. Is AN OMM IRUIT displayed? YES >> Refer to LAN-5, "AN ommunication ontrol ircuit". NO >> Refer to GI-49, "Intermittent Incident". PS-18

19 POWER SUPPLY AND GROUND IRUIT < OMPENT DIAGNOSIS > POWER SUPPLY AND GROUND IRUIT Diagnosis Procedure 1. HEK FUSIBLE LINKS heck that the following IPDM E/R fusible links are not blown. Terminal No. Signal name Fusible link No. 1 A, D 2 Battery 22 I Is the fusible link blown? YES >> Replace the blown fusible link after repairing the affected circuit. NO >> GO TO 2 2. HEK BATTERY POWER SUPPLY IRUIT 1. Turn ignition switch. 2. Disconnect IPDM E/R. 3. heck voltage between IPDM E/R harness connectors and ground. INFOID: A B D E F G onnector (+) Terminals Terminal 1 E118 (A) 2 E120 (B) 22 ( ) Ground Ignition switch position Voltage (V) (Approx.) Battery voltage Is there voltage on all pins? YES >> GO TO 3 NO >> Repair or replace harness. 3. HEK GROUND IRUIT 1. Turn ignition switch. 2. heck continuity between IPDM E/R harness connectors and ground. AWMIA0506ZZ H I J K L IPDM E/R onnector Terminal E122 (A) 38 E124 (B) 59 Ground ontinuity Yes PS N Does continuity exist? YES >> Inspection End. NO >> Repair or replace harness. AWMIA0024ZZ O P PS-19

20 IPDM E/R (INTELLIGENT POWER DISTRIBUTI MODULE ENGINE ROOM) < EU DIAGNOSIS > EU DIAGNOSIS IPDM E/R (INTELLIGENT POWER DISTRIBUTI MODULE ENGINE ROOM) Reference Value VALUES THE DIAGNOSIS TOOL INFOID: Monitor Item ondition Value/Status MOTOR FAN REQ A/ OMP REQ TAIL&LR REQ HL LO REQ HL HI REQ FR FOG REQ H L WASHER REQ FR WIP REQ WIP AUTO STOP WIP PROT ST RLY REQ IGN RLY RR DEF REQ OIL P SW DTRL REQ HOOD SW Engine idle speed A/ switch A/ switch hanges depending on engine coolant temperature, air conditioner operation status, vehicle speed, etc. Lighting switch Lighting switch 1ST, 2ND, HI or AUTO (Light is illuminated) Lighting switch Lighting switch 2ND HI or AUTO (Light is illuminated) Lighting switch Lighting switch HI Lighting switch 2ND NOTE: This item is displayed, but cannot be monitored. Ignition switch Ignition switch Ignition switch Ignition switch or A Ignition switch START Ignition switch or A Ignition switch Rear defogger switch Rear defogger switch Ignition switch, A or engine running Ignition switch NOTE: This item is displayed, but cannot be monitored. NOTE: This item is displayed, but cannot be monitored. Front fog lamp switch Front fog lamp switch Front wiper switch Front wiper switch INT Front wiper switch LO Front wiper switch HI Front wiper stop position Any position other than front wiper stop position Front wiper operates normally Front wiper stops at fail-safe operation % STOP 1LOW LOW HI STOP P AT P BLOK OPEN LOSE PS-20

21 IPDM E/R (INTELLIGENT POWER DISTRIBUTI MODULE ENGINE ROOM) < EU DIAGNOSIS > THFT HRN REQ HORN HIRP Monitor Item ondition Value/Status Not operated Panic alarm is activated Horn is activated with VEHILE SEURITY (THEFT WARNING) SYS- TEM Not operated Door locking with keyfob (horn chirp mode) A B D E F G H I J K L PS N O P PS-21

22 IPDM E/R (INTELLIGENT POWER DISTRIBUTI MODULE ENGINE ROOM) < EU DIAGNOSIS > Terminal Layout TERMINAL LAYOUT INFOID: Physical Values WKIA5883E INFOID: PHYSIAL VALUES PS-22

23 IPDM E/R (INTELLIGENT POWER DISTRIBUTI MODULE ENGINE ROOM) < EU DIAGNOSIS > Terminal Wire color Signal name Signal input/ output Ignition switch Measuring condition Operation or condition Reference value (Approx.) 1 W Battery power supply Input 2 R Battery power supply Input 3 G EM relay Output 4 P EM relay Output 6 V Throttle control motor relay Output 7 BR EM relay control Input 8 W/R Fuse 54 Output 10 R/B Fuse 45 Output 11 Y A/ compressor Output 12 W/G Ignition switch supplied power or START Input 13 R Fuel pump relay Output 14 W/G Fuse 49 Output 15 W/R Fuse 50 (ABS) Output 16 W/G Fuse 51 Output Ignition switch or START Ignition switch or A Ignition switch or START Ignition switch or A Ignition switch or START Ignition switch or A Ignition switch or START Ignition switch or A Ignition switch or START Ignition switch or A Daytime light system active Daytime light system inactive A/ switch or defrost A/ switch A/ switch or defrost A/ switch or A or START Ignition switch or START Ignition switch or A Ignition switch or START Ignition switch or A Ignition switch or START Ignition switch or A Ignition switch or START Ignition switch or A Ignition switch or START 17 W/G Fuse 55 Output Ignition switch or A 19 W Starter motor Output START 20 BR ooling fan motor (low) Output or START Ignition switch supplied power START or A 21 GR Input 22 G Battery power supply Output 23 LG Door mirror defogger output signal Output When rear defogger switch is When raker defogger switch is A B D E F G H I J K L PS N O P PS-23

24 IPDM E/R (INTELLIGENT POWER DISTRIBUTI MODULE ENGINE ROOM) < EU DIAGNOSIS > Terminal Wire color 24 P ooling fan motor (high) Output 27 W Fuse 38 Output 28 R LH front parking and front side marker lamp Output 29 G Trailer tow relay Output 30 R/B Fuse 53 Output 32 GR 35 L Signal name Wiper low speed signal Signal input/ output Output Output Wiper high speed signal Ignition switch Measuring condition Operation or condition onditions correct for cooling fan operation onditions not correct for cooling fan operation Ignition switch or START Ignition switch or A Lighting switch 1st position Lighting switch 1st position Ignition switch or START Ignition switch or A Reference value (Approx.) or START Wiper switch LO or INT or START Wiper switch, LO, INT HI Ignition switch 6.3 V JPMIA0001GB 37 Y Power generation command signal Output 40% is set on "Active test," "ALTERNATOR DUTY" of "ENGINE" 3.8 V JPMIA0002GB 40% is set on "Active test," "ALTERNATOR DUTY" of "ENGINE" 1.4 V 38 B Ground Input 39 L AN-H 40 P AN-L 42 GR Oil pressure switch Input Engine running Engine stopped PS-24 JPMIA0003GB

25 IPDM E/R (INTELLIGENT POWER DISTRIBUTI MODULE ENGINE ROOM) < EU DIAGNOSIS > Terminal Wire color 43 G Wiper auto stop signal Input 44 R *: When horn reminder is Daytime light relay control (anada only) Input or START 45 LG Horn relay control Input 46 V 47 O 48 R 49 GR Fuel pump relay control Throttle control motor relay control Starter relay (inhibit switch) Front RH parking and front side marker lamp Input Input Input Output 50 W Front fog lamp (LH) Output 51 V Front fog lamp (RH) Output 52 P 54 R 55 G 56 L 57 GR Signal name LH low beam headlamp RH low beam headlamp LH high beam headlamp RH high beam headlamp Parking, license, and tail lamp Signal input/ output or START or START or START Wiper switch, LO, INT Daytime light system active Daytime light system inactive When door locks are operated using keyfob ( )* Ignition switch or START Ignition switch or A Ignition switch or START Ignition switch or A Selector lever in "P" or "N" Selector lever any other position Lighting switch 1st position Lighting switch must be in the 2nd position (LOW beam is ) and the front fog lamp switch Lighting switch must be in the 2nd position (LOW beam is ) and the front fog lamp switch Output Lighting switch in 2nd position Output Lighting switch in 2nd position Output Output Output Ignition switch Measuring condition Operation or condition Lighting switch in 2nd position and placed in HIGH or PASS position Lighting switch in 2nd position and placed in HIGH or PASS position Lighting switch 1st position Reference value (Approx.) 59 B Ground Input Rear window defogger relay START Rear defogger switch or Rear defogger switch 60 GR Output 61 R/B Fuse 32 Output A B D E F G H I J K L PS N O P PS-25

26 IPDM E/R (INTELLIGENT POWER DISTRIBUTI MODULE ENGINE ROOM) < EU DIAGNOSIS > Wiring Diagram INFOID: ABMWA0126GB PS-26

27 IPDM E/R (INTELLIGENT POWER DISTRIBUTI MODULE ENGINE ROOM) < EU DIAGNOSIS > A B D E F G H I J K L PS N O ABMWA0127GB P PS-27

28 IPDM E/R (INTELLIGENT POWER DISTRIBUTI MODULE ENGINE ROOM) < EU DIAGNOSIS > ABMIA0339GB PS-28

29 IPDM E/R (INTELLIGENT POWER DISTRIBUTI MODULE ENGINE ROOM) < EU DIAGNOSIS > A B D E F G H I J K L PS N O ABMIA0340GB P PS-29

30 IPDM E/R (INTELLIGENT POWER DISTRIBUTI MODULE ENGINE ROOM) < EU DIAGNOSIS > ABMIA0341GB Fail Safe INFOID: AN OMMUNIATI TROL When AN communication with EM and BM is impossible, IPDM E/R performs fail-safe control. After AN communication recovers normally, it also returns to normal control. If No AN ommunication Is Available With EM PS-30

31 IPDM E/R (INTELLIGENT POWER DISTRIBUTI MODULE ENGINE ROOM) < EU DIAGNOSIS > ooling fan ontrol part If No AN ommunication Is Available With BM Fail-safe in operation Turns the cooling fan relay when the ignition switch is turned Turns the cooling fan relay when the ignition switch is turned A B Headlamp ontrol part Parking lamps License plate lamps Tail lamps Front wiper Rear window defogger A/ compressor (if equipped) Front fog lamps (if equipped) Fail-safe in operation Turns the headlamp low relay when the ignition switch is turned Turns the headlamp low relay when the ignition switch is turned Headlamp (LH/RH) high relays Turns the tail lamp relay when the ignition switch is turned Turns the tail lamp relay when the ignition switch is turned The status just before activation of fail-safe control is maintained until the ignition switch is turned while the front wiper is operating at LO or HI speed. The wiper is operated at LO speed until the ignition switch is turned if the failsafe control is activated while the front wiper is set in the INT mode and the front wiper motor is operating. Rear window defogger relay A/ relay Front fog lamp relay D E F G IGNITI RELAY MALFUNTI DETETI FUNTI IPDM E/R monitors the voltage at the contact circuit and excitation coil circuit of the ignition relay inside it. IPDM E/R judges the ignition relay error if the voltage differs between the contact circuit and the excitation coil circuit. If the ignition relay cannot turn due to contact seizure, it activates the tail lamp relay for 10 minutes to alert the user to the ignition relay malfunction when the ignition switch is turned. Ignition switch Ignition relay Tail lamp relay NOTE: The tail lamp turns when the ignition switch is turned. FRT WIPER TROL IPDM E/R detects front wiper stop position by a front wiper auto stop signal. When a front wiper auto stop signal is in the conditions listed below, IPDM E/R stops power supply to wiper after repeating a front wiper 10 second activation and 20 second stop five times. Ignition switch Front wiper switch Auto stop signal Front wiper stop position signal cannot be input 10 seconds. The signal does not change for 10 seconds. NOTE: This operation status can be confirmed on the IPDM E/R DATA MITOR that displays Block for the item WIP PROT while the wiper is stopped. STARTER MOTOR PROTETI FUNTI IPDM E/R turns the starter control relay to protect the starter motor when the starter control relay remains active for 90 seconds. H I J K L PS N O P PS-31

32 IPDM E/R (INTELLIGENT POWER DISTRIBUTI MODULE ENGINE ROOM) < EU DIAGNOSIS > DT Index INFOID: SULT-III display Fail-safe TIME NOTE Refer to No DT is detected. further testing may be required. U1000: AN OMM IRUIT RNT 1 39 PS-18 NOTE: The details of TIME display are as follows. RNT: The malfunctions that are detected now 1-39: The number is indicated when it is normal at present and a malfunction was detected in the past. It increases like after returning to the normal condition whenever IGN. It is fixed to 39 until the self-diagnosis results are erased if it is over 39. It returns to 0 when a malfunction is detected again in the process. PS-32

33 < PREAUTI > PREAUTI PREAUTIS PREAUTIS Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIER" INFOID: The Supplemental Restraint System such as AIR BAG and SEAT BELT PRE-TENSIER, used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted. Information necessary to service the system safely is included in the SR and SB section of this Service Manual. WARNING: To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in the event of a collision which would result in air bag inflation, all maintenance must be performed by an authorized NISSAN/INFINITI dealer. Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal injury caused by unintentional activation of the system. For removal of Spiral able and Air Bag Module, see the SR section. Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness connectors. A B D E F G H I J K L PS N O P PS-33

34 IPDM E/R (INTELLIGENT POWER DISTRIBUTI MODULE ENGINE ROOM) < -VEHILE REPAIR > -VEHILE REPAIR IPDM E/R (INTELLIGENT POWER DISTRIBUTI MODULE ENGINE ROOM) Removal and Installation of IPDM E/R REMOVAL 1. Disconnect negative battery terminal. 2. Remove IPDM E/R upper cover. INFOID: WKIA3352E 3. Release 2 clips and pull IPDM E/R up from case. 4. Disconnect IPDM E/R connectors and remove the IPDM E/R. INSTALLATI Installation is in the reverse order of removal. LKIA0421E PS-34