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Terminals Of Ecu

  1. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK) 
    1. Disconnect the DA, L11, L12 and L13 ECU connectors.
    2. Fig 1: Identifying Terminals Of DA, L11, L12 & L13 ECU Connectors
      G04950357Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance and voltage according to the value(s) in the table below.
    CONNECTOR TERMINALS REFERENCE TABLE

    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 (GND1) - 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 
    1. Disconnect the N13 master switch connector.
    2. Fig 2: Identifying Terminals Of N13 Master Switch Connector
      G04952077Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance and voltage according to the value(s) in the table below.
    CONNECTOR TERMINALS REFERENCE TABLE

    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 FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH 
    1. Disconnect the N11 motor connector.
    2. Fig 3: Identifying Terminals Of N11 Motor Connector
      G04952073Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance and voltage according to the value(s) in the table below.
    CONNECTOR TERMINALS REFERENCE TABLE

    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 FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH 
    1. Disconnect the N3 motor connector.
    2. Fig 4: Identifying Terminals Of N3 Motor Connector
      G04952074Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance and voltage according to the value(s) in the table below.
    CONNECTOR TERMINALS REFERENCE TABLE

    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 REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH 
    1. Disconnect the O19 motor connector.
    2. Fig 5: Identifying Terminals Of O19 Motor Connector
      G04952075Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance and voltage according to the value(s) in the table below.
    CONNECTOR TERMINALS REFERENCE TABLE

    Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
    O19-2 (B) - O19-1 (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 REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH 
    1. Disconnect the O8 motor connector.
    2. Fig 6: Identifying Terminals Of O8 Motor Connector
      G04952076Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance and voltage according to the value(s) in the table below.
    CONNECTOR TERMINALS REFERENCE TABLE

    Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
    O8-2 (B) - O8-1 (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) 
    1. Disconnect the X5 ECU connector.
    2. Fig 7: Identifying Terminals Of X5 ECU Connector
      G04946943Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance and voltage according to the value(s) in the table below.
    CONNECTOR TERMINALS REFERENCE TABLE

    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 (SMART KEY ECU) 
    1. Disconnect the L15 ECU connector.
    2. Fig 8: Identifying Terminals Of L15 ECU Connector
      G04951342Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance and voltage according to the value(s) in the table below.
    CONNECTOR TERMINALS REFERENCE TABLE

    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 ID CODE BOX (IMMOBILIZER CODE ECU) 
    1. Disconnect the L32 box connector.
    2. Fig 9: Identifying Terminals Of L32 Box Connector
      G04946945Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance and voltage according to the value(s) in the table below.
    CONNECTOR TERMINALS REFERENCE TABLE

    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) 
    1. Disconnect the L33 ECU connector.
    2. Fig 10: Identifying Terminals Of L33 ECU Connector
      G04946946Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance and voltage according to the value(s) in the table below.
    CONNECTOR TERMINALS REFERENCE TABLE

    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) 
    1. Disconnect the A50 ECU connector.
    2. Fig 11: Identifying Terminals Of A50 ECU Connector
      G04951346Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance and voltage according to the value(s) in the table below.
    CONNECTOR TERMINALS REFERENCE TABLE

    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 
    1. Disconnect the X8 sensor connector.
    2. Fig 12: Identifying Terminals Of X8 Sensor Connector
      G04945021Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance and voltage according to the value(s) in the table below.
    CONNECTOR TERMINALS REFERENCE TABLE

    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 1V → 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) 
    1. Disconnect the LA, LD and S62 ECU connectors.
    2. Fig 13: Identifying Terminals Of LA, LD & S62 ECU Connectors
      G04950358Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the voltage and resistance according to the value(s) in the table below.
    CONNECTOR TERMINALS REFERENCE TABLE

    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) 
    1. Disconnect the X4 and X6 ECU connectors.
    2. Fig 14: Identifying Terminals Of X4 & X6 ECU Connectors
      G04946950Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the voltage and resistance according to the value(s) in the table below.
    CONNECTOR TERMINALS REFERENCE TABLE

    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 
    1. Disconnect the L6 switch connector.
    2. Fig 15: Identifying Terminals Of L6 Switch Connector
      G04952080Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance and voltage according to the value(s) in the table below.
    CONNECTOR TERMINALS REFERENCE TABLE

    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 
    1. Disconnect the L75 switch connector.
    2. Fig 16: Identifying Terminals Of L75 Switch Connector
      G04946952Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance and voltage according to the value(s) in the table below.
    CONNECTOR TERMINALS REFERENCE TABLE

    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 
    1. Disconnect the E34 ECU connector.
    2. Fig 17: Identifying Terminals Of E34 ECU Connector
      G04946953Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance and voltage according to the value(s) in the table below.
    CONNECTOR TERMINALS REFERENCE TABLE

    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) R - 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 
    1. Disconnect the E4 ECU connector.
    2. Fig 18: Identifying Terminals Of E4 ECU Connector
      G04946954Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance and voltage according to the value(s) in the table below.
    CONNECTOR TERMINALS REFERENCE TABLE

    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) W - 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 
    1. Disconnect the L76 ECU connector.
    2. Fig 19: Identifying Terminals Of L76 ECU Connector
      G04950350Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance and voltage according to the value(s) in the table below.
    CONNECTOR TERMINALS REFERENCE TABLE

    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) 
    1. Disconnect the R2 switch connector.
    2. Fig 20: Identifying Terminals Of R2 Switch Connector
      G04950363Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance and voltage according to the value(s) in the table below.
    CONNECTOR TERMINALS REFERENCE TABLE

    Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
    R2-11 (+B) - R2-3 (E) R - W-B Battery power supply Always 11 to 14 V
    R2-3 (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.

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

    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 
    1. Disconnect the F5 ECU connector.
    2. Fig 22: Identifying Terminals Of F5 ECU Connector
      G04952512Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance and voltage according to the value(s) in the table below.
    CONNECTOR TERMINALS REFERENCE TABLE

    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 
    1. Disconnect the F25 ECU connector.
    2. Fig 23: Identifying Terminals Of F25 ECU Connector
      G04952511Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance and voltage according to the value(s) in the table below.
    CONNECTOR TERMINALS REFERENCE TABLE

    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 
    1. Disconnect the F8 ECU connector.
    2. Fig 24: Identifying Terminals Of F8 ECU Connector
      G04952607Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance and voltage according to the value(s) in the table below.
    CONNECTOR TERMINALS REFERENCE TABLE

    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 
    1. Disconnect the F28 ECU connector.
      Fig 25: Identifying Terminals Of F28 ECU Connector
      G04952608Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance and voltage according to the value(s) in the table below.
    CONNECTOR TERMINALS REFERENCE TABLE

    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 1V → 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 
    1. Disconnect the S29 module connector.
    2. Fig 26: Identifying Terminals Of S29 Module Connector
      G05849744Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance and voltage according to the value(s) in the table below.
    CONNECTOR TERMINALS REFERENCE TABLE

    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.