POWER CONTROL SYSTEM SECTION PCS CONTENTS ELECTRICAL & POWER CONTROL PCS-1 IPDM E/R SYSTEM DESCRIPTION... 4 ECU DIAGNOSIS INFORMATION...

Transcription

1 TR & WR TR ST S WR TR SYSTM TTS M /R iagnosis rocedure...17 SYSTM SRT... 4 RY TR SYSTM... 4 System iagram...4 System escription...5 omponent arts ocation...6 WR TR SYSTM... 7 System iagram...7 System escription...7 S UR SYSTM... 8 System iagram...8 System escription...8 WR SUMT TR SYS- TM... 9 System iagram...9 System escription...9 omponent arts ocation...10 SS SYSTM (M /R)...11 iagnosis escription...11 SUT unction (M /R)...13 T/RUT SS...15 U1000 MM RUT...15 escription...15 T ogic...15 iagnosis rocedure T RY STU...16 escription...16 T ogic...16 iagnosis rocedure T RY STU...17 escription...17 T ogic...17 WR SUY RU RUT...18 iagnosis rocedure...18 U SS RMT...19 M /R (TT WR STR- UT MU RM)...19 Reference Value...19 ail Safe...25 T ndex...27 WR RM...28 M /R (TT WR STR- UT MU RM)...28 Wiring iagram...28 RUT...34 RUTS...34 recaution for Supplemental Restraint System (SRS) "R " and "ST T R-T- SR"...34 recaution for rocedure without owl Top over...34 RMV STT...35 M /R (TT WR STR- UT MU RM)...35 Removal and nstallation...35 WR STRUT SYSTM S ST...36 SS RR WRW...36 Work low...36 re-nspection for Multi-System iagnostic...38 SYSTM SRT...39 WR STRUT SYSTM...39 S S-1

2 System escription omponent arts ocation omponent escription SS SYSTM (M) MM TM MM TM : SUT unction (M - MM TM) M M : SUT unction (M - M) T/RUT SS U1000 MM RUT escription T ogic iagnosis rocedure U1010 TR UT () T ogic iagnosis rocedure T RY escription T ogic iagnosis rocedure T RY escription T ogic iagnosis rocedure RY RUT escription T ogic iagnosis rocedure omponent nspection (ccessory Relay-1) RT WR MTR RY RUT escription T ogic iagnosis rocedure omponent nspection (ront lower Motor Relay) T RY RUT escription T ogic iagnosis rocedure omponent nspection (gnition Relay-2) M escription T ogic iagnosis rocedure US-UTT T SWT escription T ogic iagnosis rocedure WR SUY RU RUT M M : iagnosis rocedure M : Special Repair Requirement M /R (TT WR STRU- T MU RM) M /R (TT WR STRU- T MU RM) : iagnosis rocedure US-UTT T SWT S- T TR escription omponent unction heck iagnosis rocedure omponent nspection U SS RMT M (Y TR MU) Reference Value Terminal ayout hysical Values ail Safe T nspection riority hart T ndex M /R (TT WR STR- UT MU RM) Reference Value ail Safe T ndex WR RM WR STRUT SYSTM Wiring iagram SYMTM SS WR STRUT SYSTM SYM- TMS Symptom Table RUT RUTS recaution for Supplemental Restraint System (SRS) "R " and "ST T R-T- SR" recaution for rocedure without owl Top over. 111 recaution for Work RRT RRT Special Service Tools S-2

3 RMV STT M (Y TR MU) Removal and nstallation US UTT T SWT Removal and nstallation S S-3

4 < SYSTM SRT > SYSTM SRT RY TR SYSTM System iagram RY TR SYSTM [M /R] : WM1323 S-4

5 < SYSTM SRT > System escription RY TR SYSTM [M /R] : M /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 communication. UT: M /R integrated relays cannot be removed. ontrol relay nput/output Transmit unit ontrol part eadlamp low relay ow beam request signal M () eadlamp low eadlamp high relay igh beam request signal M () eadlamp high ront fog lamp relay (if equipped) ront fog light request signal M () Tail lamp relay osition light request signal M () ront wiper relay ront wiper high relay Starter relay 1 Starter control relay / relay gnition relay - 1 ront wiper request signal ront wiper auto stop signal Starter control relay signal Starter relay control signal / compressor request signal gnition switch signal Vehicle speed signal ush-button ignition switch M () ront wiper motor M () TM uel pump relay uel pump request signal M M () M () ombination meter () ush-button ignition switch ront fog lamp (if equipped) arking lamp Side marker lamp icense plate lamp Tail lamp lluminations ront wiper Starter motor / compressor (magnet clutch) gnition relay - 1 uel level sensor unit and fuel pump (fuel pump) Reference page X-40 (xenon type) X-205 (halogen type) X-36 (xenon type) X-201 (halogen type) X-43 (xenon type) X-207 (halogen type) X-45 (xenon type) X-209 (halogen type) WW-18 STR-8, -57 (with color display) or -160 (with monochrome display) S M relay M relay control signal M M relay -155 Throttle control motor relay Throttle control motor relay signal M Throttle control motor relay -456 ooling fan relay - 1 ooling fan request signal M () ooling fan relay S 1: M controls the starter relay. S-5

6 < SYSTM SRT > omponent arts ocation RY TR SYSTM [M /R] : WM1117ZZ 1. M /R 16, 17, 18, 200, 201, 10 S-6

7 < SYSTM SRT > WR TR SYSTM System iagram WR TR SYSTM [M /R] : System escription : TR M /R controls cooling fans according to the status of the cooling fan speed request signal received from M via communication. RTR TR M /R outputs power generation command signal (WM signal) to the generator according to the status of the power generation command value signal received from M via communication. Refer to -9, "System escription". S S-7

8 < SYSTM SRT > S UR SYSTM System iagram S UR SYSTM [M /R] : System escription : M /R reads the status of the oil pressure switch and transmits the oil pressure switch signal to M via communication. M /R receives the rear window defogger status signal from M via communication and transmits it to M via communication. S-8

9 < SYSTM SRT > WR SUMT TR SYSTM WR SUMT TR SYSTM System iagram [M /R] : System escription : UT M /R incorporates a power consumption control function that reduces the power consumption according to the vehicle status. M /R changes its status (control mode) with the sleep wake up signal received from M via communication. ormal mode (wake-up) - communication is normally performed with other control units. - ndividual unit control by M /R is normally performed. ow power consumption mode (sleep) - ow power consumption control is active. - transmission is stopped. S M TVT M /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 M via communication. - ront wiper fail-safe operation - ting signals to actuators - Switches or relays operating - uto active test is starting - mergency - requests are being received from control units via communication. M /R stops communication and enters the low power consumption mode when it receives a sleep wake up signal (sleep) from M and the sleep-ready conditions are fulfilled. W-U RT M /R changes from the low power consumption mode to the normal mode when it receives a sleep wake-up signal (wake up) from M or any of the following conditions is fulfilled. n addition, it transmits a sleep-ready signal (not-ready) to M via communication to report the communication start. - gnition switch - n output request is received from a control unit via communication. S S-9

10 < SYSTM SRT > omponent arts ocation WR SUMT TR SYSTM [M /R] : WM1118ZZ 1. M M16, M17, M18, M19, M20, M21 (view with instrument panel removed) 2. ombination meter M24 3. M /R 16, 17, 18, 200, 201, 10 S-10

11 < SYSTM SRT > SS SYSTM (M /R) iagnosis escription SS SYSTM (M /R) [M /R] : UT TV TST escription n auto active test mode, the M /R sends a drive signal to the following systems to check their operation. il pressure warning lamp ront wiper (, ) arking lamps Side marker lamps icense plate lamps Tail lamps ront fog lamps (if equipped) eadlamps (, ) / compressor (magnet clutch) ooling fans peration rocedure 1. lose the hood and lift the wiper arms from the windshield. (revent windshield damage due to wiper operation) T: When auto active test is performed with hood opened, sprinkle water on windshield beforehand. 2. Turn ignition switch. 3. Turn the ignition switch, and within 20 seconds, press the front door switch 10 times. Then turn the ignition switch. UT: lose front door R. 4. Turn the ignition switch within 10 seconds. fter that the horn sounds once and the auto active test starts. 5. The oil pressure warning lamp starts blinking when the auto active test starts. 6. fter a series of the following operations is repeated 3 times, auto active test is completed. T: When auto active test mode has to be cancelled halfway through test, turn ignition switch. UT: f auto active test mode cannot be actuated, check door switch system. Refer to -67, "omponent unction heck". o not start the engine. nspection in uto ctive Test Mode When auto active test mode is actuated, the following 6 steps are repeated 3 times. peration sequence nspection ocation peration 1 il pressure warning lamp links continuously during operation of auto active test 2 ront wiper for 5 seconds for 5 seconds 3 arking lamps Side marker lamps icense plate lamps Tail lamps ront fog lamps (if equipped) 10 seconds 4 eadlamps 5 times 5 / compressor (magnet clutch) 5 times 6 * ooling fans M for 5 seconds for 5 seconds *: s duty ratio of 50% for 5 seconds duty ratio of 100% for 5 seconds on the cooling fan control module. S S-11

12 < SYSTM SRT > oncept of auto active test SS SYSTM (M /R) [M /R] WM1321 M /R starts the auto active test with the door switch signals transmitted by M via communication. Therefore, the communication line between M /R and M is considered normal if the auto active test starts successfully. The auto active test facilitates troubleshooting if any systems controlled by M /R cannot be operated. iagnosis chart in auto active test mode Symptom nspection contents ossible cause ny of the following components do not operate arking lamps Side marker lamps icense plate lamps Tail lamps ront fog lamps (if equipped) eadlamp (, ) ront wiper erform auto active test. oes the applicable system operate? YS M signal input circuit amp or motor amp or motor ground circuit arness or connector between M /R and applicable system M /R / compressor does not operate erform auto active test. oes the magnet clutch operate? YS ombination meter signal input circuit communication signal between combination meter and M communication signal between M and M / R Magnet clutch arness or connector between M /R and magnet clutch M /R S-12

13 < SYSTM SRT > SS SYSTM (M /R) [M /R] il pressure warning lamp does not operate ooling fan does not operate SUT unction (M /R) T TM SUT performs the following functions via communication with M /R. irect iagnostic Mode U dentification Self iagnostic Result ata Monitor ctive Test iag Support Mntr U TT The M /R part number is displayed. S ST RSUT Refer to S-27, "T ndex". T MTR Symptom nspection contents ossible cause erform auto active test. oes the oil pressure warning lamp blink? erform auto active test. oes the cooling fan operate? The M /R part number is displayed. escription The M /R self diagnostic results are displayed. YS YS The M /R input/output data is displayed in real time. The M /R activates outputs to test components. arness or connector between M /R and oil pressure switch il pressure switch M /R The result of transmit/receive diagnosis of communication is diplayed. communication signal between M /R and M communication signal between M and combination meter ombination meter M signal input circuit communication signal between M and M / R ooling fan arness or connector between cooling fan and cooling fan relays ooling fan relays arness or connector between M /R and cooling fan relays M /R : S Monitor tem [Unit] Main Signals MTR RQ [1/2/3/4] M RQ [n/ff] T&R RQ [n/ff] RQ [n/ff] escription ndicates cooling fan speed signal received from M on communication line ndicates / compressor request signal received from M on communication line ndicates position light request signal received from M on communication line ndicates low beam request signal received from M on communication line S-13

14 < SYSTM SRT > SS SYSTM (M /R) [M /R] RQ [n/ff] R RQ [n/ff] R W RQ [Stop/1W/ow/i] TV TST SURT MTR Refer to -12, " iagnostic Support Monitor". ndicates high beam request signal received from M on communication line ndicates front fog light request signal received from M on communication line ndicates front wiper request signal received from M on communication line W UT ST [ST /T ] ndicates condition of front wiper auto stop signal W RT [ff/] ndicates condition of front wiper fail-safe operation RY1 -RQ [n/ff] RY [n/ff] ndicates condition of ignition relay-1 US SW [n/ff] TR/ SW [n/ff] ST RY T [n/ff] T RY -RQ [n/ff] ST/ RY [ff/ ST /] TT SW [n/ff] TR RQ [ff] SW [pen/lose] TT R RQ [n/ff] R R [n/ff] R RT WR Monitor tem [Unit] Test item Main Signals escription ndicates ignition switch signal received from M on communication line ndicates condition of push-button ignition switch ndicates condition of VT shift position ndicates starter relay status signal received from M on communication line ndicates starter control relay signal received from M on communication line ndicates condition of starter relay and starter control relay ndicates condition of VT shift selector (park position switch) ndicates daytime light request signal received from M on communication line ndicates condition of oil pressure switch ndicates theft warning horn request signal received from M on communication line ndicates horn reminder signal received from M on communication line This test is able to check horn operation [n]. escription This test is able to check wiper motor operation [i/o/ff]. MTR This test is able to check cooling fan operation [4/3/2/1]. XTR MS This test is able to check external lamp operation [og/i/o/tail/ff]. S-14

15 U1000 MM RUT < T/RUT SS > [M /R] T/RUT SS U1000 MM RUT escription Refer to -6, "System escription". T ogic T TT T SUT isplay T etection ondition ossible ause U1000 MM RUT iagnosis rocedure 1. RRM S ST When any listed module cannot communicate with communication signal continuously for 2 seconds or more 1. Turn ignition switch and wait for 2 seconds or more. 2. heck Self iagnostic Result of M /R. s MM RUT displayed? YS >> Refer to -15, "Trouble iagnosis low hart". >> Refer to -45, "ntermittent ncident". : : n communication system, any item (or items) of the following listed below is malfunctioning. Transmission Receiving (M) Receiving (MTR/M&) Receiving (M) : S S-15

16 2098 T RY STU < T/RUT SS > [M /R] 2098 T RY STU escription : M /R operates the ignition relay-1 when it receives an ignition switch signal from M via communication. Turn the ignition relay-1 by pressing the push-button ignition switch once when the vehicle speed is 4 km/h (2.5 M) or less. Turn the ignition relay-1 with the following operation when the vehicle speed is more than 4 km/h (2.5 M) or when an abnormal condition occurs in communication from the unified meter (mergency ) - ress and hold the push-button ignition switch for 2 seconds or more. - ress the push-button ignition switch 3 times within 1.5 seconds. T: The ignition relay-1 does not turn for 3 seconds after emergency even if the push-button ignition switch is pressed. T ogic T TT : T 2098 SUT display description RY iagnosis rocedure T etection ondition The ignition relay-1 is detected for 1 second at ignition switch (U monitors the status at the contact and excitation coil circuits of the ignition relay-1 inside it) ossible causes gnition relay-1 malfunction : RRM S SS 1. Turn the ignition switch. 2. rase Self iagnostic Result of M /R. 3. Turn ignition switch, and wait for 1 second or more. 4. Turn the ignition switch. heck Self iagnostic Result again. s RY displayed? YS >> Replace M /R. Refer to S-35, "Removal and nstallation". >> Refer to -45, "ntermittent ncident". S-16

17 2099 T RY STU < T/RUT SS > [M /R] 2099 T RY STU escription : M /R operates the ignition relay-1 when it receives an ignition switch signal from M via communication. Turn the ignition relay-1 by pressing the push-button ignition switch once when the vehicle speed is 4 km/h (2.5 M) or less. Turn the ignition relay-1 with the following operation when the vehicle speed is more than 4 km/h (2.5 M) or when an abnormal condition occurs in communication from the unified meter (mergency ) - ress and hold the push-button ignition switch for 2 seconds or more. - ress the push-button ignition switch 3 times within 1.5 seconds. T: The ignition relay-1 does not turn for 3 seconds after emergency even if the push-button ignition switch is pressed. T ogic T TT : T 2099 SUT display description RY iagnosis rocedure T etection ondition The ignition relay-1 is detected for 1 second at ignition switch (U monitors the status at the contact and excitation coil circuits of the ignition relay-1 inside it) 1. RRM S SS 1. Turn the ignition switch. 2. rase Self iagnostic Result. 3. Turn ignition switch. 4. Turn the ignition switch. heck Self iagnostic Result again. s RY displayed? YS >> Replace M /R. Refer to S-35, "Removal and nstallation". >> Refer to -45, "ntermittent ncident". ossible causes gnition relay-1 malfunction : S S-17

18 WR SUY RU RUT < T/RUT SS > [M /R] WR SUY RU RUT iagnosis rocedure : Regarding Wiring iagram information, refer to S-28, "Wiring iagram". 1. USS US heck that the following M /R fuses or fusible link are not blown. Terminal o. Signal name uses and fusible link o. 1, 2 attery power supply s the fuse blown? YS >> Replace the blown fuse or fusible link after repairing the affected circuit. >> T 2 2. WR SUY RUT 1. Turn ignition switch. 2. isconnect M /R connectors. 3. heck voltage between M /R harness connector and ground., Terminals (+) M /R onnector Terminal Voltage (V) (pprox.) s the measurement value normal? YS >> T 3 >> Repair harness or connector. 3. RU RUT heck continuity between M /R harness connectors and ground. ( ) 0033ZZ M /R onnector Terminal : : oes continuity exist? YS >> nspection nd. >> Repair harness or connector. ontinuity Yes 0034ZZ S-18

19 M /R (TT WR STRUT MU RM) < U SS RMT > [M /R] U SS RMT M /R (TT WR STRUT MU RM) Reference Value VUS T SS T : Monitor tem ondition Value/Status MTR RQ M RQ T&R RQ RQ RQ R RQ R W RQ W UT ST W RT RY1 -RQ RY US SW TR/ SW ST RY T ngine idle speed ngine running ighting switch hanges depending on engine coolant temperature, air conditioner operation status, vehicle speed, etc. / switch / switch (ompressor is operating) ighting switch 1ST, 2, or UT (ight is illuminated) ighting switch ighting switch 2 or UT (ight is illuminated) ighting switch ighting switch ighting switch 2 or UT (ight is illuminated) gnition switch gnition switch gnition switch gnition switch or gnition switch gnition switch or gnition switch Release the push-button ignition switch ress the push-button ignition switch gnition switch gnition switch gnition switch t engine cranking ront fog lamp switch ront fog lamp switch aytime running light activated (nly for anada models) ront wiper switch ront wiper switch T ront wiper switch ront wiper switch ront wiper stop position ny position other than front wiper stop position ront wiper operates normally ront wiper stops at fail-safe operation VT selector lever in any position other than or VT selector lever in or position 1,2,3,4 ff n ff n ff n ff n ff n ST 1W ow i ST T ff ff n ff n ff n ff n ff n S S-19

20 M /R (TT WR STRUT MU RM) < U SS RMT > [M /R] T RY -RQ ST/ RY TT SW TR -RQ SW TT R RQ R R Monitor tem ondition Value/Status TRM YUT gnition switch t engine cranking gnition switch t engine cranking The status of starter relay or starter control relay cannot be recognized by the battery voltage malfunction, etc. when the starter relay is and the starter control relay is gnition switch ress the selector button with VT selector lever in position VT selector lever in any position other than Release the VT selector button with VT selector lever in position TR TR gnition switch, or engine running gnition switch ot operated anic alarm is activated orn is activated with V SURTY (TT WR) SYS- TM ot operated oor locking with ntelligent ey (horn chirp mode) ff n ff ST UW ff n n ff pen lose ff n ff n YS VUS M0128ZZ S-20

21 M /R (TT WR STRUT MU RM) < U SS RMT > [M /R] Terminal o. (Wire color) + 1 (R) 2 () 4 () 5 (Y) 6 () 7 (R) 10 (R) 12 () 13 (S) 15 (W) 16 (R) 19 (Y) 20 () 21 () 22 (S) 23 (R) 24 () 25 (R) escription Signal name nput/ ondition attery power supply nput gnition switch attery power supply nput gnition switch ront wiper ront wiper aytime light relay power supply (anada models only) Tail, license plate lamps & interior lamps gnition switch gnition switch ront wiper switch ront wiper switch ront wiper switch ront wiper switch gnition switch M relay power supply gnition switch ighting switch ighting switch 1ST gnition switch (or a few seconds after turning ignition switch ) gnition switch gnition switch (More than a few seconds after turning ignition switch ) gnition switch uel pump power supply gnition relay-1 power supply ront wiper auto stop nput gnition relay-1 power supply pproximately 1 second or more after turning the ignition switch pproximately 1 second after turning the ignition switch ngine running gnition switch gnition switch gnition switch gnition switch gnition switch ront wiper stop position ny position other than front wiper stop position mbient sensor ground gnition switch 0V mbient sensor gnition switch 5V Refrigerant pressure sensor ground Refrigerant pressure sensor Refrigerant pressure sensor power supply gnition relay-1 power supply gnition switch 0V gnition switch (RY) oth / switch and blower motor switch (electric compressor operates) gnition switch 5V gnition switch gnition switch V Value (pprox.) S S-21

22 M /R (TT WR STRUT MU RM) < U SS RMT > [M /R] Terminal o. (Wire color) + 27 (W) 28 (S) 30 (R) 34 () 35 () 36 () 38 (R) 39 () 40 () 41 () 42 (S) 43 (Y) 44 (W) 45 (R) 46 (R) 48 (W) gnition relay monitor nput ush-button ignition switch nput Starter relay control nput ooling fan relay-3 control nput ooling fan motor control gnition switch or gnition switch ress the push-button ignition switch Release the push-button ignition switch VT selector lever in any position other than or (ignition switch ) VT selector lever or (ignition switch ) gnition switch or gnition switch gnition switch or gnition switch attery power supply nput gnition switch ooling fan motor control - - nput/ nput/ gnition switch or gnition switch 0.7 V 0.7 V 0.7 V gnition switch ooling fan relay-2 control nput escription Signal name VT shift selector (etention switch) nput/ nput orn relay control nput nti theft horn relay control nput Starter relay control nput / relay power supply gnition switch or gnition switch gnition switch The horn is deactivated The horn is activated The horn is deactivated The horn is activated ress the VT selector button (VT selector lever ) VT selector lever in any position other than Release the VT selector button (VT selector lever ) VT selector lever in any position other than or (ignition switch ) VT selector lever or (ignition switch ) ngine running ondition / switch / switch (/ compressor is operating) 0.7 V Value (pprox.) S-22

23 M /R (TT WR STRUT MU RM) < U SS RMT > [M /R] Terminal o. (Wire color) + 49 (R/) 51 () 52 (Y/) 53 (R/W) 54 (/W) 55 (W/) 56 (R/Y) 57 () 58 (Y) 69 (W/) 70 () 72 (R/) M relay power supply gnition relay power supply gnition relay power supply M relay power supply Throttle control motor relay power supply gnition switch (or a few seconds after turning ignition switch ) gnition switch gnition switch (More than a few seconds after turning ignition switch ) gnition switch gnition switch gnition switch gnition switch gnition switch (or a few seconds after turning ignition switch ) gnition switch gnition switch (More than a few seconds after turning ignition switch ) gnition switch (or a few seconds after turning ignition switch ) gnition switch gnition switch (More than a few seconds after turning ignition switch ) M power supply gnition switch gnition relay power supply gnition relay power supply gnition relay power supply M relay control escription Signal name Throttle control motor relay control Transmission range switch signal nput/ nput gnition switch gnition switch gnition switch gnition switch gnition switch gnition switch gnition switch (or a few seconds after turning ignition switch ) gnition switch gnition switch (More than a few seconds after turning ignition switch ) gnition switch gnition switch gnition switch ondition VT selector lever in or position VT selector lever in any position other than or position V Value (pprox.) S S-23

24 M /R (TT WR STRUT MU RM) < U SS RMT > [M /R] Terminal o. (Wire color) + escription Signal name nput/ ondition Value (pprox.) 75 () il pressure switch nput gnition switch ngine stopped ngine running gnition switch 6.3 V M (S) ower generation command signal 40% is set on ctive test, TR- TR UTY of 3.8 V M % is set on ctive test, TR- TR UTY of 77 (R) 80 () 83 (R/Y) 84 () 86 (W/R) 87 (/Y) uel pump relay control pproximately 1 second after turning the ignition switch ngine running pproximately 1 second or more after turning the ignition switch 0-1. Starter motor t engine cranking eadlamp (R) eadlamp () ront fog lamp (R) ront fog lamp () gnition switch gnition switch ighting switch 2 ighting switch 2 ighting switch ighting switch 2 ighting switch ighting switch 2 ront fog lamp switch aytime running light activated (nly for anada models) ront fog lamp switch ront fog lamp switch aytime running light activated (nly for anada models) ront fog lamp switch 1.4 V M0003 S-24

25 M /R (TT WR STRUT MU RM) < U SS RMT > [M /R] Terminal o. (Wire color) + 88 (R/W) 89 (/W) 90 () 91 (/ R) 92 (/ ) 99 (R/ W) 100 (S) 101 (W) 102 (R) 103 () 105 (V) ail Safe Washer pump power supply eadlamp (R) eadlamp () : MMUT TR When communication with M and M is impossible, M /R performs fail-safe control. fter communication recovers normally, it also returns to normal control. f o ommunication s vailable With M f o ommunication s vailable With M gnition switch gnition switch gnition switch ighting switch ighting switch SS ighting switch ighting switch ighting switch SS ighting switch arking lamp (R) ighting switch 1ST gnition Side marker lamp (R) switch ighting switch arking lamp () ighting switch 1ST gnition Side marker lamp () switch ighting switch mbient sensor ground gnition switch 0V mbient sensor gnition switch 5V ooling fan / compressor Refrigerant pressure sensor ground Refrigerant pressure sensor Refrigerant pressure sensor power supply aytime light relay control (nly for anada models) ontrol part escription Signal name nput/ gnition switch 0V gnition switch (RY) oth / switch and blower motor switch (electric compressor operates) gnition switch 5V gnition switch gnition switch ondition aytime light system active aytime light system inactive ail-safe in operation V Signals cooling fans when the ignition switch is turned Signals cooling fans when the ignition switch is turned / relay enerator s the power generation command signal (WM signal) 0% Value (pprox.) S S-25

26 M /R (TT WR STRUT MU RM) < U SS RMT > [M /R] eadlamp ontrol part arking lamps Side marker lamps icense plate lamps llumination Tail lamps ront wiper ront fog lamps (if equipped) orn gnition relay Starter motor ail-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 eadlamp high relay 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 or speed. The wiper is operated at speed until the ignition switch is turned if the failsafe control is activated while the front wiper is set in the T mode and the front wiper motor is operating. ront fog lamp relay orn The status just before activation of fail-safe is maintained. Starter control relay T RY MUT TT UT M /R monitors the voltage at the contact circuit and excitation coil circuit of the ignition relay-1 inside it. M /R judges the ignition relay-1 error if the voltage differs between the contact circuit and the excitation coil circuit. f the ignition relay-1 cannot turn due to contact seizure, it activates the tail lamp relay for 10 minutes to alert the user to the ignition relay-1 malfunction when the ignition switch is turned. T gnition switch gnition relay-1 Tail lamp relay 2098: RY (10 minutes) 2099: RY T: The tail lamp turns when the ignition switch is turned. RT WR TR M /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, M /R stops power supply to wiper after repeating a front wiper 10 seconds activation and 20 seconds stop five times. gnition switch ront wiper switch uto stop signal ront wiper stop position signal cannot be input 10 seconds. The signal does not change for 10 seconds. T: This operation status can be confirmed on the M /R ata Monitor that displays for the item W RT while the wiper is stopped. STRTR MTR RTT UT M /R turns the starter control relay to protect the starter motor when the starter control relay remains active for 90 seconds. S-26

27 M /R (TT WR STRUT MU RM) < U SS RMT > [M /R] T ndex o T is detected. further testing may be required. SUT display ail-safe TM T Refer to U1000: MM RUT RT 1 39 S : RY RT 1 39 S : RY RT 1 39 S : STRT T RY RT 1 39 S : STRT T RY RT 1 39 S : STRTR RY RT 1 39 S : STRTR RY RT 1 39 S : TR/ SW RT 1 39 S : TR/ SW RT 1 39 S-76 : T: The details of TM display are as follows. RT: 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. t increases like after returning to the normal condition whenever. t is fixed to 39 until the self-diagnosis results are erased if it is over 39. t returns to 0 when a malfunction is detected again in the process. S S-27

28 M /R (TT WR STRUT MU RM) < WR RM > [M /R] WR RM M /R (TT WR STRUT MU RM) Wiring iagram : MW1399 S-28

29 M /R (TT WR STRUT MU RM) < WR RM > [M /R] S MW1034 S-29

30 M /R (TT WR STRUT MU RM) < WR RM > [M /R] MW0498 S-30

31 M /R (TT WR STRUT MU RM) < WR RM > [M /R] S M0852 S-31

32 M /R (TT WR STRUT MU RM) < WR RM > [M /R] M3404 S-32

33 M /R (TT WR STRUT MU RM) < WR RM > [M /R] S M2443 S-33

34 < RUT > RUT RUTS RUTS [M /R] recaution for Supplemental Restraint System (SRS) "R " and "ST T R-TSR" : The Supplemental Restraint System such as R and ST T R-TSR, 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. nformation necessary to service the system safely is included in the SR and S section of this Service Manual. WR: 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 SS/T dealer. mproper maintenance, including incorrect removal and installation of the SRS, can lead to personal injury caused by unintentional activation of the system. or removal of Spiral able and ir ag Module, see the SR section. o 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. RUTS W US WR TS (R R TR) MMRS WR: When working near the irbag iagnosis Sensor Unit or other irbag System sensors with the gnition or engine running, T use air or electric power tools or strike near the sensor(s) with a hammer. eavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing serious injury. When using air or electric power tools or hammers, always switch the gnition, disconnect the battery, and wait at least 3 minutes before performing any service. recaution for rocedure without owl Top over When performing the procedure after removing cowl top cover, cover the lower end of windshield with urethane, etc. : S-34

35 M /R (TT WR STRUT MU RM) < RMV STT > [M /R] RMV STT M /R (TT WR STRUT MU RM) Removal and nstallation : UT: o not remove the relays from the M /R. Tampering with the relays may cause additional incidents with the vehicle. RMV 1. isconnect battery negative terminal. Refer to -67, "Removal and nstallation (attery)". 2. Remove the M /R cover (1) while pressing the pawl () at the rear end of the M /R cover (1). 3. isconnect the harness connectors from the M /R. M0462ZZ M0463ZZ 4. While depressing the tabs () remove the M /R (1) from the vehicle. S STT nstallation is in the reverse order of removal. M0464ZZ S-35

36 SS RR WRW < S ST > [WR STRUT SYSTM] S ST SS RR WRW Work low VR SQU : T W S-36 M3449

37 SS RR WRW < S ST > [WR STRUT SYSTM] 1. T RMT R SYMTM et the detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred). >> T 2 2. T 1. heck T for M and M /R. 2. erform the following procedure if T is displayed. - Record T and freeze frame data (rint them out with SUT.) - rase T. - Study the relationship between the cause detected by T and the symptom described by the customer. 3. heck related service bulletins for information. s any symptom described and any T detected? Symptom is described, T is displayed>> T 3 Symptom is described, T is not displayed>> T 4 Symptom is not described, T is displayed>> T 5 3. RM T SYMTM onfirm the symptom described by the customer. onnect SUT to the vehicle in T MTR mode and check real time diagnosis results. Verify relation ship between the symptom and the condition when the symptom is detected. >> T 5 4. RM T SYMTM onfirm the symptom described by the customer. onnect SUT to the vehicle in T MTR mode and check real time diagnosis results. Verify relation between the symptom and the condition when the symptom is detected. >> T 6 5. RRM T RMT RUR erform T onfirmation rocedure for the displayed T, and then check that T is detected again. t this time, always connect SUT to the vehicle, and check diagnostic results in real time. f two or more M Ts are detected, refer to S-63, "T nspection riority hart" and determine trouble diagnosis order. T: reeze frame data is useful if the T is not detected. erform omponent unction heck if T onfirmation rocedure is not included in Service Manual. This simplified check procedure is an effective alternative though T cannot be detected during this check. f the result of omponent unction heck is, it is the same as the detection of T by T onfirmation rocedure. s T detected? YS >> T 7 >> Refer to -45, "ntermittent ncident". 6. TT MUT SYSTM Y SYMTM SS etect malfunctioning system according to symptom diagnosis based on the confirmed symptom in step 4, and determine the trouble diagnosis order based on possible causes and symptom. S >> T 7 7. TT MUT RT Y ST RUR nspect according to iagnostic rocedure of the system. T: S-37

38 SS RR WRW < S ST > [WR STRUT SYSTM] The iagnostic rocedure described based on open circuit inspection. short circuit inspection is also required for the circuit check in the iagnostic rocedure. s malfunctioning part detected? YS >> T 8 >> heck voltage of related M and M /R terminals using SUT. 8. RR R R T MUT RT 1. Repair or replace the malfunctioning part. 2. Reconnect parts or connectors disconnected during iagnostic rocedure again after repair and replacement. 3. heck T. f T is displayed, erase it. >> T 9 9. When T was detected in step 2, perform T onfirmation rocedure or omponent unction 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. s the inspection result normal? YS >> nspection nd. (T is detected)>> T 7 (Symptom remains)>> T 6 re-nspection for Multi-System iagnostic : The engine start function, door lock function, power distribution system and TS-VS/VS are closely related to each other. arrow down the system in question by performing this inspection to identify which system is malfunctioning. or example, the vehicle security system can operate only when the door lock and power distribution system are operating normally. 1. R RT heck the door lock for normal operation with the ntelligent ey and door request switch. Successful door lock operation with the ntelligent ey and request switch indicates that the remote keyless entry receiver and inside key antenna required for engine start are functioning normally. an the door be locked with the ntelligent ey and door request switch? YS >> T 2. >> Refer to -184, "Symptom Table". 2. STRT heck that the engine starts when the ntelligent ey is inserted into the key slot. oes the engine start? YS >> T 3. >> Refer to S-157, "Symptom Table". 3. WR SUY TR SWT ress push-button ignition switch and check that the position indicator switches from, through to. s each position indicator illuminating? YS >> T 4. >> Refer to S-65, "omponent unction heck". 4. V SURTY SYSTM heck the vehicle security system for normal operation. Refer to S-7, "Vehicle Security peration heck". re the inspection results normal? YS >> nspection nd. >> Repair vehicle security system as necessary. S-38

39 WR STRUT SYSTM < SYSTM SRT > [WR STRUT SYSTM] SYSTM SRT WR STRUT SYSTM System escription UT/UTUT S RT ush-button ignition switch VT shift selector Transmission range switch Stop lamp switch Switch nput Signal to M M system ctuator ush switch range ower distribution system : gnition relay (M /R) gnition relay (fuse block (/)) relay (fuse block (/)) ront blower motor relay SYSTM SRT WR STRUT SYSTM (S) is the system that M controls with the operation of the pushbutton ignition switch and performs the power distribution to each power circuit. This system is used instead of the mechanical power supply changing mechanism with the operation of the conventional key cylinder. The push-button ignition switch can be operated when ntelligent ey is in the following conditions. Refer to ngine Start unction for details. - ntelligent ey is in the detection area of the interior antenna - nsert ntelligent ey in to the key slot The push-button ignition switch operation is input to M as a signal. M changes the power supply position according to the status and operates the following relays to supply power to each power circuit. - gnition relay-1 (inside M /R) - gnition relay-2 (inside fuse block (/)) - relay (inside fuse block (/)) - ront blower motor relay T: The engine switch operation changes due to the conditions of brake pedal, VT selector lever and vehicle speed. The power supply position can be confirmed with the lighting of the indicators near the push-button ignition switch. US-UTT T SWT RT RUR The power supply position changing operation can be performed with the following operation. T: When an ntelligent ey is within the detection area of inside key antenna and when it is inserted in to the key slot, it is equivalent to the operations below. When starting the engine, the M monitors under the engine start conditions, - rake pedal operating condition - VT selector lever position - Vehicle speed Unless each start condition is fulfilled, the engine will not respond regardless of how many times the engine switch is pressed. t that time, illumination repeats the position in the order of. ower supply position, range rake / rake pedal ngine start/stop condition VT selector lever position ush-button ignition switch operation frequency ot depressed ny position 1 ot depressed ny position 2 STRT STRT STRT (ngine start) ot depressed ny position 3 epressed or position (*1) 1 [f the switch is pressed once, the engine starts from any power supply position (,, and )] S S-39

40 WR STRUT SYSTM < SYSTM SRT > [WR STRUT SYSTM] ower supply position ngine is running (ngine stop) ngine is running (ngine stop) ngine stall return operation while driving *1: When the VT selector lever position is position, the engine start condition is different according to the vehicle speed. t vehicle speed of 4 km/h (2 M) or less, the engine can start only when the brake pedal is depressed. t vehicle speed of 4 km/h (2 M) or more, the engine can start even if the brake pedal is not depressed. (t is the same as ngine stall return operation while driving.) *2: When the VT selector lever position is in any position other than position and when the vehicle speed is 5 km/h or more, the engine stop condition is different. ress and hold the push-button ignition switch for 2 seconds or more. (When the push-button ignition switch is pressed for too short a time, the operation may be invalid, so properly press and hold to prevent the incorrect operation.) ress the push-button ignition switch 3 times or more within 1.5 seconds. (mergency stop operation) omponent arts ocation rake pedal ngine start/stop condition VT selector lever position ush-button ignition switch operation frequency ny position 1 ny position other than (*2) 1 position 1 : WM1192ZZ 1. M M16, M17, M18, M19, M21 (view with instrument panel removed) 4. ush-button ignition switch M38 2. M /R 16, 17, 18 (contains relay-1) 3.. use block (/) M3, M4, M5, 6. relay-2. relay-1. ront blower motor relay S-40

41 WR STRUT SYSTM < SYSTM SRT > [WR STRUT SYSTM] omponent escription : M M /R gnition relay-1 (uilt-in M /R) gnition relay-2 (uilt-in fuse block (/)) ccessory relay-1 ront blower motor relay Stop lamp Transmission range switch ush-button ignition switch Reference S-4, "System iagram" S-59, "escription" S-56, "escription" S-50, "escription" S-53, "escription" S-43, "escription" S-59, "escription" S-46, "escription" S S-41

42 SS SYSTM (M) < SYSTM SRT > [WR STRUT SYSTM] SS SYSTM (M) MM TM MM TM : SUT unction (M - MM TM) : T TM SUT performs the following functions via communication with M. irect iagnostic Mode escription cu dentification Self iagnostic Result ata Monitor ctive Test Work support onfiguration iag Support Mntr The M part number is displayed. isplays the diagnosis results judged by M. The M input/output signals are displayed. The signals used to activate each device are forcibly supplied from M. hanges the setting for each system function. nables to read and save the vehicle specification. nables to write the vehicle specification when replacing M. Monitors the reception status of communication viewed from M. SYSTM T M can perform the following functions. irect iagnostic Mode System Sub System cu dentification Self iagnostic Result ata Monitor ctive Test Work support onfiguration iag Support Mntr oor lock R Rear window defogger RR R Warning chime UZZR nterior room lamp timer T M xterior lamp M Wiper and washer WR Turn signal and hazard warning lamps SR ntelligent ey system TT Y ombination switch M SW M M mmobilizer MMU nterior room lamp battery saver TTRY SVR Trunk open TRU Vehicle security system TT M R system RT WR Signal buffer system S UR TMS R RSSUR MTR M S-42

43 SS SYSTM (M) < SYSTM SRT > [WR STRUT SYSTM] M : SUT unction (M - M) U TT The M part number is displayed. S ST RSUT Refer to S-64, "T ndex". WR SURT Support tem Setting escription RST STT VU Reset ancel URT Refer to S-6, "URT (M) : escription". SURT MTR Refer to -12, " iagnostic Support Monitor". Returns M to initial value in factory shipment. ancels the reset function. : S S-43

44 U1000 MM RUT < T/RUT SS > [WR STRUT SYSTM] T/RUT SS U1000 MM RUT escription : Refer to -6, "System escription". T ogic : T TT T: U1000 can be set if a module harness was disconnected and reconnected, perhaps during a repair. onfirm that there are actual diagnostic symptoms and a present T by performing the Self iagnostic Result procedure. SUT isplay T etection ondition ossible cause MM RUT [U1000] iagnosis rocedure When any listed module cannot communicate with communication signal continuously for 2 seconds or more with ignition switch n communication system, any item (or items) of the following listed below is malfunctioning. Transmission Receiving (M) Receiving (V/TS/S) Receiving (MTR/M&) Receiving (TM) Receiving (MUT V) Receiving (M /R) : RRM S ST 1. Turn ignition switch and wait for 2 seconds or more. 2. heck S- RSUTS. s MM RUT displayed? YS >> erform iagnosis as described in SS section of SUT peration Manual. >> Refer to -45, "ntermittent ncident". S-44

45 U1010 TR UT () < T/RUT SS > [WR STRUT SYSTM] U1010 TR UT () T ogic T TT : SUT display description MM RUT [U1010] T etection ondition M detected internal communication circuit malfunction. M ossible cause iagnosis rocedure : R M When T U1010 is detected, replace M. >> Replace M. Refer to S-79, "Removal and nstallation". S S-45

46 2553 T RY < T/RUT SS > [WR STRUT SYSTM] 2553 T RY escription : M turns the following relays to ignition power supply to each U when the ignition switch is turned. gnition relay-1 (inside M /R) gnition relay-2 (inside fuse block (/)) ront blower motor relay M checks any ignition relay request for consistency with the actual ignition relay operation status. T ogic T TT : T o. Trouble diagnosis name T detecting condition ossible cause 2553 T RY M detects a difference of signal for 2 seconds or more between the following information. gnition relay-2 (fuse block (/)) / operation gnition relay-2 (fuse block (/)) feedback. arness or connectors (ignition relay-2 feedback circuit is open or short) T RMT RUR 1. RRM T RMT RUR 1. Turn ignition switch under the following conditions, and wait for at least 2 seconds. - VT selector lever is in the or position. - Release brake pedal. 2. heck Self diagnostic result with SUT. s T detected? YS >> o to S-46, "iagnosis rocedure". >> nspection nd. iagnosis rocedure : Regarding Wiring iagram information, refer to S-103, "Wiring iagram". 1. T RY-2 UT S heck voltage between M harness connector and ground under the following conditions. onnector Terminals (+) (-) M Terminal M18 31 ondition gnition switch Voltage (V) 0 s the inspection result normal? YS >> Replace M. Refer to S-79, "Removal and nstallation". >> T 2 2. T RY-2 RUT M0086ZZ S-46

47 2553 T RY < T/RUT SS > [WR STRUT SYSTM] 1. Turn ignition switch. 2. isconnect M and fuse block (/). 3. heck continuity between M harness connector () and fuse block (/) harness connector (). M use block (/) onnector Terminal onnector Terminal ontinuity M18 () 31 M3 () 2 Yes M0087ZZ 4. heck continuity between M harness connector and ground. onnector M Terminal s the inspection result normal? YS >> T 3 >> Repair or replace harness. 3. TRMTTT T Refer to -45, "ntermittent ncident". ontinuity M18 31 o M0088ZZ >> nspection nd. S S-47

48 260 T RY < T/RUT SS > [WR STRUT SYSTM] 260 T RY escription : M turns the following relays to ignition power supply to each U when the ignition switch is turned. gnition relay-1 (inside M /R) gnition relay-2 (inside fuse block (/)) ront blower motor relay M checks any ignition relay request for consistency with the actual ignition relay operation status. T ogic : T TT T: f T 260 is displayed with T U1000, first perform the trouble diagnosis for T U1000. Refer to S-44, "T ogic". f T 260 is displayed with T U1010, first perform the trouble diagnosis for T U1010. Refer to S-45, "T ogic". f T 260 is displayed with T 261, first perform the trouble diagnosis for T 261. Refer to S-60, "T ogic". T o. Trouble diagnosis name T detecting condition ossible cause 260 T RY M detects a difference of signal for 2 seconds or more between the following information. gnition relay-1 (/) operation gnition relay-1 feedback arness or connectors (gnition relay-1 operation circuit is open or shorted.) T RMT RUR 1. RRM T RMT RUR 1. Turn ignition switch under the following conditions, and wait for at least 2 seconds. - VT selector lever is in the or position. - Release the brake pedal. 2. heck Self diagnostic result with SUT. s T detected? YS >> o to S-48, "iagnosis rocedure". >> nspection nd. iagnosis rocedure : Regarding Wiring iagram information, refer to S-103, "Wiring iagram". 1. T MTR 1. Turn ignition switch. 2. heck RY1-RQ and RY status with SUT. Refer to S-13, "SUT unction (M /R)". o RY1-RQ and RY signals change as expected? YS >> Refer to -45, "ntermittent ncident". >> RY1-RQ does not change. T 2. >> RY does not change. T MMUT heck communication. Refer to -24, " System Specification hart". s the inspection result normal? YS >> Replace M. Refer to S-79, "Removal and nstallation". S-48

49 260 T RY < T/RUT SS > [WR STRUT SYSTM] >> Repair harness of connector. 3. T RY-1 S 1. Turn ignition switch. 2. heck voltage between M /R harness connector and ground. onnector (+) M /R Terminal ( ) Voltage Turn ignition switch. 4. heck voltage between M /R harness connector and ground. onnector (+) M /R Terminal ( ) Voltage re the inspection results normal? YS >> Replace M /R. Refer to S-35, "Removal and nstallation". >> Repair harness of connector. WM1120ZZ WM1121ZZ S S-49