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Terminals Of Ecu

  1. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK) 
    Fig 1: Identifying Main Body ECU (Driver Side Junction Block)
    G04950357Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the DA, L11, L12 and L13 ECU connectors.
    2. Measure the resistance and voltage according to the value(s) in the table below.
      MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK)

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      DA-40 (GND2) - Body ground W-B - Body ground Ground Always Below 1 Ω
      DA-41 (GNDI)-Body ground W-B - Body ground Ground Always Below 1 Ω
      L12-1 (AM2)-DA-40 (GND2) W-W-B Battery power supply Always 11 to 14 V
      L13-6(AM1)-DA-40 (GND2) W-W-B Battery power supply Always 11 to 14 V

      If the result is not as specified, there may be a malfunction on the wire harness side.

  2. CHECK MASTER SWITCH ASSEMBLY 
    Fig 2: Identifying N13 Master Switch Connector
    G04952077Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the N13 master switch connector.
    2. Measure the resistance and voltage according to the value(s) in the table below.
      MASTER SWITCH ASSEMBLY

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      N13-11 (B)-N13-12 (GND) B-R Ignition power supply Engine switch off →
      Engine switch on (IG)
      Below 1 V → 11 to 14 V
      N13-12(GND)-Body ground R - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

  3. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Side) 
    Fig 3: Identifying N11 Motor Connector
    G04952073Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the N11 motor connector.
    2. Measure the resistance and voltage according to the value(s) in the table below.
      POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR DRIVER SIDE)

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      N11-2(B)-N11-1 (E) O-B Battery power supply Always 11 to 14 V
      N11-1(E)-Body ground B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

  4. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Side) 
    Fig 4: Identifying N3 Motor Connector
    G04952074Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the N3 motor connector.
    2. Measure the resistance and voltage according to the value(s) in the table below.
      POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR FRONT PASSENGER SIDE)

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      N3-2 (B) - N3-1 (E) O-B Battery power supply Always 11 to 14 V
      N3-1 (E) - Body ground B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

  5. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH) 
    Fig 5: Identifying O19 Motor Connector
    G04952075Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the O19 motor connector.
    2. Measure the resistance and voltage according to the value(s) in the table below.
      POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR REAR LH)

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      O19-2(B)-019-1 (E) O-B Battery power supply Always 11 to 14 V
      O19-1 (E) - Body ground B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

  6. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH) 
    Fig 6: Identifying 08 Motor Connector
    G04952076Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the 08 motor connector.
    2. Measure the resistance and voltage according to the value(s) in the table below.
      POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR REAR RH)

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      O8-2 (B) - 08-1 (E) O-B Battery power supply Always 11 to 14 V
      O8-1 (E) - Body ground B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

  7. CHECK SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) 
    Fig 7: Identifying X5 ECU Connector
    G04946943Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the X5 ECU connector.
    2. Measure the resistance and voltage according to the value(s) in the table below.
      SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU)

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      X5-1 (B) - X5-2 (E) B-W-B Battery power supply Always 11 to 14 V
      X5-2 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

  8. CHECK CERTIFICATION ECU 
    Fig 8: Identifying L15 ECU Connector
    G04951342Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the L15 ECU connector.
    2. Measure the resistance and voltage according to the value(s) in the table below.
      CERTIFICATION ECU

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      L15-1 (+B1)-L15-17(E) L-W-B Battery power supply Always 11 to 14 V
      L15-17(E)-Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

  9. CHECK IMMOBILIZER CODE ECU (ID CODE BOX) 
    Fig 9: Identifying L32 ECU Connector
    G04946945Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the L32 ECU connector.
    2. Measure the resistance and voltage according to the value(s) in the table below.
      IMMOBILIZER CODE ECU (ID CODE BOX)

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      L32-1 (+B) - L32-8 (GND) L-W-B Battery power supply Always 11 to 14 V
      L32-8 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

  10. CHECK STEERING LOCK ACTUATOR ASSEMBLY (STEERING LOCK ECU) 
    Fig 10: Identifying L33 ECU Connector
    G04946946Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the L33 ECU connector.
    2. Measure the resistance and voltage according to the value(s) in the table below.
      STEERING LOCK ACTUATOR ASSEMBLY (STEERING LOCK ECU)

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      L33-7 (B) - L33-1 (GND) P-W-B Battery power supply Always 11 to 14 V
      L33-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

  11. CHECK FRONT LIGHT ECU (FRONT CONTROLLER) 
    Fig 11: Identifying A50 ECU Connector
    G04951346Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the A50 ECU connector.
    2. Measure the resistance and voltage according to the value(s) in the table below.
      FRONT LIGHT ECU (FRONT CONTROLLER)

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      A50-1 (FMB3) - A50-2 (E) LG - W-B Battery power supply Always 11 to 14 V
      A50-5 (FMIG) - A50-2 (E) Y-W-B IG power supply Engine switch off →
      Engine switch on (IG)
      Below 1 V → 11 to 14 V
      A50-2 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

  12. CHECK RAIN SENSOR 
    Fig 12: Identifying X8 Sensor Connector
    G04945021Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the X8 sensor connector.
    2. Measure the resistance and voltage according to the value(s) in the table below.
      RAIN SENSOR

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      X8-4 (SIG) - X8-1 (ES) LG-BR IG power supply Engine switch off →
      Engine switch on (IG)
      Below 1 V → 11 to 14 V
      X8-1 (ES) - Body ground BR - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

  13. CHECK LUGGAGE ROOM JUNCTION BLOCK ASSEMBLY (REAR JUNCTION BLOCK ECU) 
    Fig 13: Identifying LA, LD And S62 ECU Connectors
    G04950358Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the LA, LD and S62 ECU connectors.
    2. Measure the voltage and resistance according to the the value(s) in the table below.
      LUGGAGE ROOM JUNCTION BLOCK ASSEMBLY (REAR JUNCTION BLOCK ECU)

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      LD-4 (MPXB) - LA-29 (SG) R-W-B Battery power supply Always 11 to 14 V
      LA-29 (SG) - Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

  14. CHECK MAP LIGHT ASSEMBLY (OVERHEAD JUNCTION ECU) 
    Fig 14: Identifying X4 And X6 ECU Connectors
    G04946950Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the X4 and X6 ECU connectors.
    2. Measure the voltage and resistance according to the the value(s) in the table below.
      MAP LIGHT ASSEMBLY (OVERHEAD JUNCTION ECU)

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      X4-6(+B)-X4-16(GND9) B-B Battery power supply Always 11 to 14 V
      X4-16(GND9)-Body ground B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

  15. CHECK OUTER MIRROR SWITCH 
    Fig 15: Identifying L6 Switch Connector
    G04946951Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the L6 switch connector.
    2. Measure the resistance and voltage according to the value(s) in the table below.
      OUTER MIRROR SWITCH

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      L6-1 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω
      L6-11 (IG) - L6-1 (E) G-W-B IG power supply Engine switch off →
      Engine switch on (IG)
      Below 1 V → 11 to 14 V
      L6-12(B)-L6-1 (E) B-W-B Battery power supply Always 11 to 14 V

      If the result is not as specified, there may be a malfunction on the wire harness side.

  16. CHECK No. 1 CONSOLE SWITCH 
    Fig 16: Identifying L75 Switch Connector
    G04946952Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the L75 switch connector.
    2. Measure the resistance and voltage according to the value(s) in the table below.
      NO. 1 CONSOLE SWITCH

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      L75-1 (B) - L75-5 (E) B-W-B Battery power supply Always 11 to 14 V
      L75-5 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

  17. CHECK FRONT SEAT CLIMATE CONTROL ECU LH 
    Fig 17: Identifying e34 ECU Connector
    G04946953Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the e34 ECU connector.
    2. Measure the resistance and voltage according to the value(s) in the table below.
      FRONT SEAT CLIMATE CONTROL ECU LH

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      e34-1 (IG)-e34-12(GND) P-W-B IG power supply Engine switch off →
      Engine switch on (IG)
      Below 1 V → 11 to 14 V
      e34-2(SYSB)-e34-12 (GND) W-W-B Battery power supply Always 11 to 14 V
      e34-12(GND)-Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

  18. CHECK FRONT SEAT CLIMATE CONTROL ECU RH 
    Fig 18: Identifying e4 ECU Connector
    G04946954Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the e4 ECU connector.
    2. Measure the resistance and voltage according to the value(s) in the table below.
      FRONT SEAT CLIMATE CONTROL ECU RH

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      e4-1 (IG)-e4-12(GND) Y-W-B IG power supply Engine switch off →
      Engine switch on (IG)
      Below 1 V → 11 to 14 V
      e4-2(SYSB)-e4-12 (GND) R-W-B Battery power supply Always 11 to 14 V
      e4-11 (VER)-Body ground W-B - Body ground Ground Always Below 1 Ω
      e4-12 (GND)-Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

  19. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (A/C ECU) 
    Fig 19: Identifying L76 ECU Connector
    G04950350Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the L76 ECU connector.
    2. Measure the resistance and voltage according to the value(s) in the table below.
      AIR CONDITIONING AMPLIFIER ASSEMBLY (A/C ECU)

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      L76-5 (IG+) - L76-1 (GND) V-W-B IG power supply Engine switch off →
      Engine switch on (IG)
      Below 1 V → 11 to 14 V
      L76-6(+B1)-L76-1 (GND) L-W-B Battery power supply Always 11 to 14 V
      L76-7 (+B2) - L76-1 (GND) L-W-B Battery power supply Always 11 to 14 V
      L76-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

  20. CHECK REAR POWER SEAT MODULE SWITCH (w/o Ottoman) 
    Fig 20: Identifying r2 Switch Connector
    G04950363Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the r2 switch connector.
    2. Measure the resistance and voltage according to the value(s) in the table below.
      REAR POWER SEAT MODULE SWITCH (W/O OTTOMAN)

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      r2-11(+B)-r2-3(E) W-W Battery power supply Always 11 to 14 V
      r2-3 (E) - Body ground W - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

  21. CHECK REAR POWER SEAT MODULE SWITCH (w/ Ottoman) 
    Fig 21: Identifying S15 Switch Connector
    G04950364Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the S15 switch connector.
    2. Measure the resistance and voltage according to the value(s) in the table below.
      REAR POWER SEAT MODULE SWITCH (W/ OTTOMAN)

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      S15-6(+B)-S15-5(E) R-W-B Battery power supply Always 11 to 14 V
      S15-5(E)- Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

  22. CHECK POSITION CONTROL ECU RH 
    Fig 22: Identifying f5 ECU Connector
    G04952512Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the f5 ECU connector.
    2. Measure the resistance and voltage according to the value(s) in the table below.
      TERMINALS SPECIFIED CONDITION

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      f5-6(SYSB)-f5-12 (SGND) R-BR Battery power supply Always 10 to 14 V
      f5-1 (SEL)-f5-11 (SEL2) B-B Right or left identification Always Below 1 Ω
      f5-12 (SGND)-Body ground BR - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

  23. CHECK POSITION CONTROL ECU LH 
    Fig 23: Identifying f25 ECU Connector
    G04952511Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the f25 ECU connector.
    2. Measure the resistance and voltage according to the value(s) in the table below.
      POSITION CONTROL ECU LH

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      f25-6(SYSB)-f25-12 (SGND) R-BR Battery power supply Always 10 to 14 V
      f25-12 (SGND)-Body ground BR - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

  24. CHECK REAR SEAT CLIMATE CONTROL ECU RH 
    Fig 24: Identifying f8 ECU Connector
    G04952607Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the f8 ECU connector.
    2. Measure the resistance and voltage according to the value(s) in the table below.
      REAR SEAT CLIMATE CONTROL ECU RH

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      f8-1 (IG)-f8-12(GND) Y-W-B IG power supply Engine switch off →
      Engine switch on (IG)
      Below 1 V → 11 to 14 V
      f8-2(SYSB)-f8-12(GND) G-W-B Battery power supply Always 11 to 14 V
      f8-11 (VER) - Body ground W-B - Body ground Ground Always Below 1 Ω
      f8-12 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

  25. CHECK REAR SEAT CLIMATE CONTROL ECU LH 
    Fig 25: Identifying f28 ECU Connector
    G04952608Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the f28 ECU connector.
    2. Measure the resistance and voltage according to the value(s) in the table below.
      REAR SEAT CLIMATE CONTROL ECU LH

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      f28-1 (IG)-f28-12(GND) P-W-B IG power supply Engine switch off →
      Engine switch on (IG)
      Below 1 V → 11 to 14 V
      f28-2(SYSB)-f28-12 (GND) V-W-B Battery power supply Always 11 to 14 V
      f28-12 (GND) -Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

  26. CHECK SEAT VIBRATION MODULE ASSEMBLY 
    Fig 26: Identifying S29 Module Connector
    G04952698Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the S29 module connector.
    2. Measure the resistance and voltage according to the value(s) in the table below.
      SEAT VIBRATION MODULE ASSEMBLY

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      S29-1 (IG) - S29-8 (GND) BR - W-B IG power supply Engine switch off →
      Engine switch on (IG)
      Below 1 V → 11 to 14 V
      S29-8 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.