POWER WINDOW CONTROL SYSTEM TERMINALS OF ECU

  1. CHECK FRONT DOOR WINDOW REGULATOR ASSEMBLY (for Driver Side)

    B216712E03
    Table 1. Text in Illustration

    *1

    for LHD

    *2

    for RHD

    • *1: for LHD

    • *2: for RHD

    1. Disconnect the K8*1 or J6*2 regulator connector.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Table 2. for LHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      K8-2 (B) - K8-1 (GND)

      L - W-B

      Battery power supply

      Always

      11 to 14 V

      K8-1 (GND) - Body ground

      W-B - Body ground

      Ground

      Always

      Below 1 Ω
      Table 3. for RHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      J6-2 (B) - J6-1 (GND)

      L - W-B

      Battery power supply

      Always

      11 to 14 V

      J6-1 (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.

    3. Reconnect the K8*1 or J6*2 regulator connector.

    4. Measure the voltage according to the value(s) in the table below.

      Table 4. for LHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      K8-10 (UP) - K8-1 (GND)

      W - W-B

      Power window up operation

      Ignition switch ON, power window regulator master switch off → up

      11 to 14 V → Below 1 V

      K8-10 (UP) - K8-1 (GND)

      W - W-B

      Power window up operation

      Ignition switch ON, door glass fully open → power window auto up operation → door glass fully closed

      11 to 14 V → Below 1 V → 11 to 14 V

      K8-7 (DOWN) - K8-1 (GND)

      B - W-B

      Power window down operation

      Ignition switch ON, power window regulator master switch off → down

      11 to 14 V → Below 1 V

      K8-7 (DOWN) - K8-1 (GND)

      B - W-B

      Power window down operation

      Ignition switch ON, door glass fully closed → power window auto down operation → door glass fully open

      11 to 14 V → Below 1 V → 11 to 14 V
      Table 5. for RHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      J6-10 (UP) - J6-1 (GND)

      W - W-B

      Power window up operation

      Ignition switch ON, power window regulator master switch off → up

      11 to 14 V → Below 1 V

      J6-10 (UP) - J6-1 (GND)

      W - W-B

      Power window up operation

      Ignition switch ON, door glass fully open → power window auto up operation → door glass fully closed

      11 to 14 V → Below 1 V → 11 to 14 V

      J6-7 (DOWN) - J6-1 (GND)

      B - W-B

      Power window down operation

      Ignition switch ON, power window regulator master switch off → down

      11 to 14 V → Below 1 V

      J6-7 (DOWN) - J6-1 (GND)

      B - W-B

      Power window down operation

      Ignition switch ON, door glass fully closed → power window auto down operation → door glass fully open

      11 to 14 V → Below 1 V → 11 to 14 V

      • If the result is not as specified, the regulator may have a malfunction.

  2. CHECK FRONT DOOR WINDOW REGULATOR ASSEMBLY (for Front Passenger Side)

    B216712E04
    Table 6. Text in Illustration

    *1

    for LHD

    *2

    for RHD

    • *1: for LHD

    • *2: for RHD

    1. Disconnect the J8*1 or K10*2 regulator connector.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Table 7. for LHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      J8-2 (B) - J8-1 (GND)

      G - W-B

      Battery power supply

      Always

      11 to 14 V

      J8-1 (GND) - Body ground

      W-B - Body ground

      Ground

      Always

      Below 1 Ω
      Table 8. for RHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      K10-2 (B) - K10-1 (GND)

      G - W-B

      Battery power supply

      Always

      11 to 14 V

      K10-1 (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.

    3. Reconnect the J8*1 or K10*2 regulator connector.

    4. Measure the voltage according to the value(s) in the table below.

      Table 9. for LHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      J8-10 (UP) - J8-1 (GND)

      B - W-B

      Power window up operation

      Ignition switch ON, power window regulator switch off → up

      11 to 14 V → Below 1 V

      J8-10 (UP) - J8-1 (GND)

      B - W-B

      Power window up operation

      Ignition switch ON, door glass fully open → power window auto up operation → door glass fully closed

      11 to 14 V → Below 1 V → 11 to 14 V

      J8-7 (DOWN) - J8-1 (GND)

      P - W-B

      Power window down operation

      Ignition switch ON, power window regulator switch off → down

      11 to 14 V → Below 1 V

      J8-7 (DOWN) - J8-1 (GND)

      P - W-B

      Power window down operation

      Ignition switch ON, door glass fully closed → power window auto down operation → door glass fully open

      11 to 14 V → Below 1 V → 11 to 14 V
      Table 10. for RHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      K10-10 (UP) - K10-1 (GND)

      B - W-B

      Power window up operation

      Ignition switch ON, power window regulator switch off → up

      11 to 14 V → Below 1 V

      K10-10 (UP) - K10-1 (GND)

      B - W-B

      Power window up operation

      Ignition switch ON, door glass fully open → power window auto up operation → door glass fully closed

      11 to 14 V → Below 1 V → 11 to 14 V

      K10-7 (DOWN) - K10-1 (GND)

      P - W-B

      Power window down operation

      Ignition switch ON, power window regulator switch off → down

      11 to 14 V → Below 1 V

      K10-7 (DOWN) - K10-1 (GND)

      P - W-B

      Power window down operation

      Ignition switch ON, door glass fully closed → power window auto down operation → door glass fully open

      11 to 14 V → Below 1 V → 11 to 14 V

      • If the result is not as specified, the regulator may have a malfunction.

  3. CHECK REAR DOOR WINDOW REGULATOR ASSEMBLY LH (w/ Rear Door Power Window)

    U122361E02

    1. Disconnect the M3 regulator connector.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      M3-2 (B) - M3-1 (GND)

      BR - W-B

      Battery power supply

      Always

      11 to 14 V

      M3-1 (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.

    3. Reconnect the M3 regulator connector.

    4. Measure the voltage according to the value(s) in the table below.

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      M3-10 (UP) - M3-1 (GND)

      B - W-B

      Power window up operation

      Ignition switch ON, power window regulator switch off → up

      11 to 14 V → Below 1 V

      M3-10 (UP) - M3-1 (GND)

      B - W-B

      Power window up operation

      Ignition switch ON, door glass fully open → power window auto up operation → door glass fully closed

      11 to 14 V → Below 1 V → 11 to 14 V

      M3-7 (DOWN) - M3-1 (GND)

      P - W-B

      Power window down operation

      Ignition switch ON, power window regulator switch off → down

      11 to 14 V → Below 1 V

      M3-7 (DOWN) - M3-1 (GND)

      P - W-B

      Power window down operation

      Ignition switch ON, door glass fully closed → power window auto down operation → door glass fully open

      11 to 14 V → Below 1 V → 11 to 14 V

      • If the result is not as specified, the regulator may have a malfunction.

  4. CHECK REAR DOOR WINDOW REGULATOR ASSEMBLY RH (w/ Rear Door Power Window)

    U122362E02

    1. Disconnect the L3 regulator connector.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      L3-2 (B) - L3-1 (GND)

      L - W-B

      Battery power supply

      Always

      11 to 14 V

      L3-1 (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.

    3. Reconnect the L3 regulator connector.

    4. Measure the voltage according to the value(s) in the table below.

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      L3-10 (UP) - L3-1 (GND)

      B - W-B

      Power window up operation

      Ignition switch ON, power window regulator switch off → up

      11 to 14 V → Below 1 V

      L3-10 (UP) - L3-1 (GND)

      B - W-B

      Power window up operation

      Ignition switch ON, door glass fully open → power window auto up operation → door glass fully closed

      11 to 14 V → Below 1 V → 11 to 14 V

      L3-7 (DOWN) - L3-1 (GND)

      P - W-B

      Power window down operation

      Ignition switch ON, power window regulator switch off → down

      11 to 14 V → Below 1 V

      L3-7 (DOWN) - L3-1 (GND)

      P - W-B

      Power window down operation

      Ignition switch ON, door glass fully closed → power window auto down operation → door glass fully open

      11 to 14 V → Below 1 V → 11 to 14 V

      • If the result is not as specified, the regulator may have a malfunction.

  5. CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

    U122368E02
    Table 11. Text in Illustration

    *1

    for LHD

    *2

    for RHD

    • *1: for LHD

    • *2: for RHD

    1. Disconnect the K5*1 or J5*2 master switch connector.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Table 12. for LHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      K5-11 (B) - K5-12 (GND)

      R - W-B

      Battery power supply

      Always

      11 to 14 V

      K5-12 (GND) - Body ground

      W-B - Body ground

      Ground

      Always

      Below 1 Ω
      Table 13. for RHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      J5-11 (B) - J5-12 (GND)

      R - W-B

      Battery power supply

      Always

      11 to 14 V

      J5-12 (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.

    3. Reconnect the K5*1 or J5*2 master switch connector.

    4. Measure the voltage according to the value(s) in the table below.

      Table 14. for LHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      K5-20 (UP) - K5-12 (GND)

      W - W-B

      Power window up operation

      Ignition switch ON, power window regulator master switch off → up

      11 to 14 V → Below 1 V

      K5-20 (UP) - K5-12 (GND)

      W - W-B

      Power window up operation

      Ignition switch ON, door glass fully open → power window auto up operation → door glass fully closed

      11 to 14 V → Below 1 V → 11 to 14 V

      K5-15 (DOWN) - K5-12 (GND)

      B - W-B

      Power window down operation

      Ignition switch ON, power window regulator master switch off → down

      11 to 14 V → Below 1 V

      K5-15 (DOWN) - K5-12 (GND)

      B - W-B

      Power window down operation

      Ignition switch ON, door glass fully closed → power window auto down operation → door glass fully open

      11 to 14 V → Below 1 V → 11 to 14 V
      Table 15. for RHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      J5-20 (UP) - J5-12 (GND)

      W - W-B

      Power window up operation

      Ignition switch ON, power window regulator master switch off → up

      11 to 14 V → Below 1 V

      J5-20 (UP) - J5-12 (GND)

      W - W-B

      Power window up operation

      Ignition switch ON, door glass fully open → power window auto up operation → door glass fully closed

      11 to 14 V → Below 1 V → 11 to 14 V

      J5-15 (DOWN) - J5-12 (GND)

      B - W-B

      Power window down operation

      Ignition switch ON, power window regulator master switch off → down

      11 to 14 V → Below 1 V

      J5-15 (DOWN) - J5-12 (GND)

      B - W-B

      Power window down operation

      Ignition switch ON, door glass fully closed → power window auto down operation → door glass fully open

      11 to 14 V → Below 1 V → 11 to 14 V

      • If the result is not as specified, the master switch may have a malfunction.

  6. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY

    B216713E04
    Table 16. Text in Illustration

    *1

    for LHD

    *2

    for RHD

    • *1: for LHD

    • *2: for RHD

    1. Disconnect the J4*1 or K4*2 switch connector.

    2. Measure the resistance according to the value(s) in the table below.

      Table 17. for LHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      J4-1 (GND) - Body ground

      W-B - Body ground

      Ground

      Always

      Below 1 Ω
      Table 18. for RHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      K4-1 (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.

    3. Reconnect the J4*1 or K4*2 switch connector.

    4. Measure the voltage according to the value(s) in the table below.

      Table 19. for LHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      J4-6 (UP) - J4-1 (GND)

      B - W-B

      Power window up operation

      Ignition switch ON, power window regulator switch off → up

      11 to 14 V → Below 1 V

      J4-7 (DOWN) - J4-1 (GND)

      P - W-B

      Power window down operation

      Ignition switch ON, power window regulator switch off → down

      11 to 14 V → Below 1 V

      J4-8 (AUTO) - J4-1 (GND)

      W - W-B

      Power window up operation

      Ignition switch ON, door glass fully open → power window auto up operation → door glass fully closed

      11 to 14 V → Below 1 V → 11 to 14 V

      J4-8 (AUTO) - J4-1 (GND)

      W - W-B

      Power window down operation

      Ignition switch ON, door glass fully closed → power window auto down operation → door glass fully open

      11 to 14 V → Below 1 V → 11 to 14 V
      Table 20. for RHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      K4-6 (UP) - K4-1 (GND)

      B - W-B

      Power window up operation

      Ignition switch ON, power window regulator switch off → up

      11 to 14 V → Below 1 V

      K4-7 (DOWN) - K4-1 (GND)

      P - W-B

      Power window down operation

      Ignition switch ON, power window regulator switch off → down

      11 to 14 V → Below 1 V

      K4-8 (AUTO) - K4-1 (GND)

      W - W-B

      Power window up operation

      Ignition switch ON, door glass fully open → power window auto up operation → door glass fully closed

      11 to 14 V → Below 1 V → 11 to 14 V

      K4-8 (AUTO) - K4-1 (GND)

      W - W-B

      Power window down operation

      Ignition switch ON, door glass fully closed → power window auto down operation → door glass fully open

      11 to 14 V → Below 1 V → 11 to 14 V

      • If the result is not as specified, the switch may have a malfunction.

  7. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH (w/ Rear Door Power Window)

    B216714E14

    1. Disconnect the M1 switch connector.

    2. Measure the resistance according to the value(s) in the table below.

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      M1-1 (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.

    3. Reconnect the M1 switch connector.

    4. Measure the voltage according to the value(s) in the table below.

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      M1-6 (UP) - M1-1 (GND)

      B - W-B

      Power window up operation

      Ignition switch ON, power window regulator switch off → up

      11 to 14 V → Below 1 V

      M1-7 (DOWN) - M1-1 (GND)

      P - W-B

      Power window down operation

      Ignition switch ON, power window regulator switch off → down

      11 to 14 V → Below 1 V

      M1-8 (AUTO) - M1-1 (GND)

      W - W-B

      Power window up operation

      Ignition switch ON, door glass fully open → power window auto up operation → door glass fully closed

      11 to 14 V → Below 1 V → 11 to 14 V

      M1-8 (AUTO) - M1-1 (GND)

      W - W-B

      Power window down operation

      Ignition switch ON, door glass fully closed → power window auto down operation → door glass fully open

      11 to 14 V → Below 1 V → 11 to 14 V

      • If the result is not as specified, the switch may have a malfunction.

  8. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH (w/ Rear Door Power Window)

    B216714E15

    1. Disconnect the L1 switch connector.

    2. Measure the resistance according to the value(s) in the table below.

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      L1-1 (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.

    3. Reconnect the L1 switch connector.

    4. Measure the voltage according to the value(s) in the table below.

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      L1-6 (UP) - L1-1 (GND)

      B - W-B

      Power window up operation

      Ignition switch ON, power window regulator switch off → up

      11 to 14 V → Below 1 V

      L1-7 (DOWN) - L1-1 (GND)

      P - W-B

      Power window down operation

      Ignition switch ON, power window regulator switch off → down

      11 to 14 V → Below 1 V

      L1-8 (AUTO) - L1-1 (GND)

      W - W-B

      Power window up operation

      Ignition switch ON, door glass fully open → power window auto up operation → door glass fully closed

      11 to 14 V → Below 1 V → 11 to 14 V

      L1-8 (AUTO) - L1-1 (GND)

      W - W-B

      Power window down operation

      Ignition switch ON, door glass fully closed → power window auto down operation → door glass fully open

      11 to 14 V → Below 1 V → 11 to 14 V

      • If the result is not as specified, the switch may have a malfunction.

  9. CHECK MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)

    B216654E04

    1. Disconnect the DB, DE, DG and H80 ECU connectors.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      DE-28 (GND1) - Body ground

      W-B - Body ground

      Ground

      Always

      Below 1 Ω

      H80-4 (GND2) - Body ground

      W-B - Body ground

      Ground

      Always

      Below 1 Ω

      DH-12 (BECU) - Body ground

      B - Body ground

      Power source

      Always

      11 to 14 V

      DG-1 (ALTB) - Body ground

      W - Body ground

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

    3. Reconnect the DB, DE, DG and H80 ECU connectors.

    4. Measure the voltage according to the value(s) in the table below.

      Table 21. for LHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      DA-21 (DCTY) - Body ground

      W - Body ground

      Front door courtesy light switch LH input

      Driver side door open

      Below 1 V

      Driver side door closed

      11 to 14 V

      DE-20 (PCTY) - Body ground

      BR - Body ground

      Front door courtesy light switch RH input

      Front passenger side door open

      Below 1 V

      Front passenger side door closed

      11 to 14 V
      Table 22. for RHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      DC-6 (DCTY) - Body ground

      BR - Body ground

      Front door courtesy light switch RH input

      Driver side door open

      Below 1 V

      Driver side door closed

      11 to 14 V

      DA-24 (PCTY) - Body ground

      W - Body ground

      Front door courtesy light switch LH input

      Front passenger side door open

      Below 1 V

      Front passenger side door closed

      11 to 14 V

      • If the result is not as specified, the ECU may have a malfunction.