POWER WINDOW CONTROL SYSTEM(for Models with Jam Protection Function on Driver Door Window Only) TERMINALS OF ECU

  1. POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (w/ Rear Power Window)

    B164269C04

    *A

    for LHD

    *B

    for RHD

    1. Disconnect the H11*1 or G11*2 power window regulator master switch assembly connector.

      • *1: for LHD

      • *2: for RHD

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

      Tip:

      Measure the values on the wire harness side with the connector disconnected.

      Table 1. for LHD

      Tester Connection

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      H11-1 (E) - Body ground

      W-B - Body ground

      Ground

      Always

      Below 1 Ω

      H11-6 (B) - H11-1 (E)

      GR - W-B

      Power supply

      Ignition switch ON

      11 to 14 V
      Table 2. for RHD

      Tester Connection

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      G11-9 (E) - Body ground

      W-B - Body ground

      Ground

      Always

      Below 1 Ω

      G11-6 (B) - G11-9 (E)

      GR - W-B

      Power supply

      Ignition switch ON

      11 to 14 V

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

    3. Reconnect the H11*1 or G11*2 power window regulator master switch assembly connector.

      • *1: for LHD

      • *2: for RHD

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

      Table 3. for LHD

      Tester Connection

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      H11-8 (U) - H11-1 (E)

      W - W-B

      Power window motor UP output

      Ignition switch ON, driver door power window regulator switch OFF → UP (Manual operation)

      11 to 14 V → Below 1 V

      H11-4 (A) - H11-1 (E)

      SB - W-B

      Power window motor AUTO UP output

      Ignition switch ON, driver door power window fully open → driver door power window regulator switch UP (AUTO UP position) → driver door power window fully closed

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

      Power window motor AUTO DOWN output

      Ignition switch ON, driver door power window fully closed → driver door power window regulator switch DOWN (AUTO DOWN position) → driver door power window fully open

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

      H11-5 (D) - H11-1 (E)

      B - W-B

      Power window motor DOWN output

      Ignition switch ON, driver door power window regulator switch OFF → DOWN (Manual operation)

      11 to 14 V → Below 1 V

      H11-16 (U) - H11-1 (E)

      G - W-B

      Power window motor UP output

      Ignition switch ON, front passenger door power window regulator switch OFF → UP (Manual operation)

      Below 1 V → 11 to 14 V

      H11-15 (D) - H11-1 (E)

      B - W-B

      Power window motor DOWN output

      Ignition switch ON, front passenger door power window regulator switch OFF → DOWN (Manual operation)

      Below 1 V → 11 to 14 V

      H11-12 (U) - H11-1 (E)

      R - W-B

      Power window motor UP output

      Ignition switch ON, rear LH door power window regulator switch OFF → UP (Manual operation)

      Below 1 V → 11 to 14 V

      H11-13 (D) - H11-1 (E)

      L - W-B

      Power window motor DOWN output

      Ignition switch ON, rear LH door power window regulator switch OFF → DOWN (Manual operation)

      Below 1 V → 11 to 14 V

      H11-10 (U) - H11-1 (E)

      G - W-B

      Power window motor UP output

      Ignition switch ON, rear RH door power window regulator switch OFF → UP (Manual operation)

      Below 1 V → 11 to 14 V

      H11-18 (D) - H11-1 (E)

      W - W-B

      Power window motor DOWN output

      Ignition switch ON, rear RH door power window regulator switch OFF → DOWN (Manual operation)

      Below 1 V → 11 to 14 V
      Table 4. for RHD

      Tester Connection

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      G11-1 (U) - G11-9 (E)

      W - W-B

      Power window motor UP output

      Ignition switch ON, driver door power window regulator switch OFF → UP (Manual operation)

      11 to 14 V → Below 1 V

      G11-4 (A) - G11-9 (E)

      SB - W-B

      Power window motor AUTO UP output

      Ignition switch ON, driver door power window fully open → driver door power window regulator switch UP (AUTO UP position) → driver door power window fully closed

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

      Power window motor AUTO DOWN output

      Ignition switch ON, driver door power window fully closed → driver door power window regulator switch DOWN (AUTO DOWN position) → driver door power window fully open

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

      G11-5 (D) - G11-9 (E)

      B - W-B

      Power window motor DOWN output

      Ignition switch ON, driver door power window regulator switch OFF → DOWN (Manual operation)

      11 to 14 V → Below 1 V

      G11-12 (U) - G11-9 (E)

      R - W-B

      Power window motor UP output

      Ignition switch ON, front passenger door power window regulator switch OFF → UP (Manual operation)

      Below 1 V → 11 to 14 V

      G11-13 (D) - G11-9 (E)

      Y - W-B

      Power window motor DOWN output

      Ignition switch ON, front passenger door power window regulator switch OFF → DOWN (Manual operation)

      Below 1 V → 11 to 14 V

      G11-18 (U) - G11-9 (E)

      R - W-B

      Power window motor UP output

      Ignition switch ON, rear LH door power window regulator switch OFF → UP (Manual operation)

      Below 1 V → 11 to 14 V

      G11-10 (D) - G11-9 (E)

      L - W-B

      Power window motor DOWN output

      Ignition switch ON, rear LH door power window regulator switch OFF → DOWN (Manual operation)

      Below 1 V → 11 to 14 V

      G11-16 (U) - G11-9 (E)

      G - W-B

      Power window motor UP output

      Ignition switch ON, rear RH door power window regulator switch OFF → UP (Manual operation)

      Below 1 V → 11 to 14 V

      G11-15 (D) - G11-9 (E)

      W - W-B

      Power window motor DOWN output

      Ignition switch ON, rear RH door power window regulator switch OFF → DOWN (Manual operation)

      Below 1 V → 11 to 14 V

      If the result is not as specified, the power window regulator master switch assembly may be malfunctioning.

  2. POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (w/o Rear Power Window)

    B164269C05

    *A

    for LHD

    *B

    for RHD

    1. Disconnect the H11*1 or G11*2 power window regulator master switch assembly connector.

      • *1: for LHD

      • *2: for RHD

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

      Tip:

      Measure the values on the wire harness side with the connector disconnected.

      Table 5. for LHD

      Tester Connection

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      H11-7 (E) - Body ground

      W-B - Body ground

      Ground

      Always

      Below 1 Ω

      H11-15 (B) - H11-7 (E)

      GR - W-B

      Power supply

      Ignition switch ON

      11 to 14 V
      Table 6. for RHD

      Tester Connection

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      G11-7 (E) - Body ground

      W-B - Body ground

      Ground

      Always

      Below 1 Ω

      G11-15 (B) - G11-7 (E)

      GR - W-B

      Power supply

      Ignition switch ON

      11 to 14 V

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

    3. Reconnect the H11*1 or G11*2 power window regulator master switch assembly connector.

      • *1: for LHD

      • *2: for RHD

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

      Table 7. for LHD

      Tester Connection

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      H11-18 (U) - H11-7 (E)

      W - W-B

      Power window motor UP output

      Ignition switch ON, driver door power window regulator switch OFF → UP (Manual operation)

      11 to 14 V → Below 1 V

      H11-1 (A) - H11-7 (E)

      SB - W-B

      Power window motor AUTO UP output

      Ignition switch ON, driver door power window fully open → driver door power window regulator switch UP (AUTO UP position) → driver door power window fully closed

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

      Power window motor AUTO DOWN output

      Ignition switch ON, driver door power window fully closed → driver door power window regulator switch DOWN (AUTO DOWN position) → driver door power window fully open

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

      H11-10 (D) - H11-7 (E)

      B - W-B

      Power window motor DOWN output

      Ignition switch ON, driver door power window regulator switch OFF → DOWN (Manual operation)

      11 to 14 V → Below 1 V

      H11-12 (U) - H11-7 (E)

      G - W-B

      Power window motor UP output

      Ignition switch ON, front passenger door power window regulator switch OFF → UP (Manual operation)

      Below 1 V → 11 to 14 V

      H11-16 (D) - H11-7 (E)

      B - W-B

      Power window motor DOWN output

      Ignition switch ON, front passenger door power window regulator switch OFF → DOWN (Manual operation)

      Below 1 V → 11 to 14 V
      Table 8. for RHD

      Tester Connection

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      G11-9 (U) - G11-7 (E)

      W - W-B

      Power window motor UP output

      Ignition switch ON, driver door power window regulator switch OFF → UP (Manual operation)

      11 to 14 V → Below 1 V

      G11-18 (A) - G11-7 (E)

      SB - W-B

      Power window motor AUTO UP output

      Ignition switch ON, driver door power window fully open → driver door power window regulator switch UP (AUTO UP position) → driver door power window fully closed

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

      Power window motor AUTO DOWN output

      Ignition switch ON, driver door power window fully closed → driver door power window regulator switch DOWN (AUTO DOWN position) → driver door power window fully open

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

      G11-6 (D) - G11-7 (E)

      B - W-B

      Power window motor DOWN output

      Ignition switch ON, driver door power window regulator regulator switch OFF → DOWN (Manual operation)

      11 to 14 V → Below 1 V

      G11-12 (U) - G11-7 (E)

      R - W-B

      Power window motor UP output

      Ignition switch ON, front passenger door power window regulator switch OFF → UP (Manual operation)

      Below 1 V → 11 to 14 V

      G11-10 (D) - G11-7 (E)

      Y - W-B

      Power window motor DOWN output

      Ignition switch ON, front passenger door power window regulator switch OFF → DOWN (Manual operation)

      Below 1 V → 11 to 14 V

      If the result is not as specified, the power window regulator master switch assembly may be malfunctioning.

  3. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY

    B164270C02

    *A

    for LHD

    *B

    for RHD

    1. Disconnect the G9*1 or H9*2 power window regulator switch assembly connector.

      • *1: for LHD

      • *2: for RHD

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

      Tip:

      Measure the values on the wire harness side with the connector disconnected.

      Table 9. for LHD

      Tester Connection

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      G9-3 (B) - Body ground

      GR - Body ground

      Power supply

      Ignition switch ON

      11 to 14 V
      Table 10. for RHD

      Tester Connection

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      H9-3 (B) - Body ground

      GR - Body ground

      Power supply

      Ignition switch ON

      11 to 14 V

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

    3. Reconnect the G9*1 or H9*2 power window regulator switch assembly connector.

      • *1: for LHD

      • *2: for RHD

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

      Table 11. for LHD

      Tester Connection

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      G9-4 (U) - Body ground

      R - Body ground

      Power window motor UP output

      Ignition switch ON, power window regulator switch assembly OFF → UP (Manual operation)

      Below 1 V → 11 to 14 V

      G9-1 (D) - Body ground

      B - Body ground

      Power window motor DOWN output

      Ignition switch ON, power window regulator switch assembly OFF → DOWN (Manual operation)

      Below 1 V → 11 to 14 V
      Table 12. for RHD

      Tester Connection

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      H9-4 (U) - Body ground

      B - Body ground

      Power window motor UP output

      Ignition switch ON, power window regulator switch assembly OFF → UP (Manual operation)

      Below 1 V → 11 to 14 V

      H9-1 (D) - Body ground

      R - Body ground

      Power window motor DOWN output

      Ignition switch ON, power window regulator switch assembly OFF → DOWN (Manual operation)

      Below 1 V → 11 to 14 V

      If the result is not as specified, the power window regulator switch assembly may be malfunctioning.

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

    B164270N15

    1. Disconnect the K5 rear power window regulator switch assembly (for LH door) connector.

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

      Tip:

      Measure the values on the wire harness side with the connector disconnected.

      Tester Connection

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      K5-3 (B) - Body ground

      LA-P - Body ground

      Power supply

      Ignition switch ON

      11 to 14 V

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

    3. Reconnect the K5 rear power window regulator switch assembly (for LH door) connector.

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

      Tester Connection

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      K5-4 (U) - Body ground

      LA-G - Body ground

      Power window motor UP output

      Ignition switch ON, rear power window regulator switch assembly (for LH door) OFF → UP (Manual operation)

      Below 1 V → 11 to 14 V

      K5-1 (D) - Body ground

      LA-Y - Body ground

      Power window motor DOWN output

      Ignition switch ON, rear power window regulator switch assembly (for LH door) OFF → DOWN (Manual operation)

      Below 1 V → 11 to 14 V

      If the result is not as specified, the rear power window regulator switch assembly (for LH door) may be malfunctioning.

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

    B164270N16

    1. Disconnect the J5 rear power window regulator switch assembly (for RH door) connector.

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

      Tip:

      Measure the values on the wire harness side with the connector disconnected.

      Tester Connection

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      J5-3 (B) - Body ground

      LA-L - Body ground

      Power supply

      Ignition switch ON

      11 to 14 V

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

    3. Reconnect the J5 rear power window regulator switch assembly (for RH door) connector.

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

      Tester Connection

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      J5-4 (U) - Body ground

      LA-R - Body ground

      Power window motor UP output

      Ignition switch ON, rear power window regulator switch assembly (for RH door) OFF → UP (Manual operation)

      Below 1 V → 11 to 14 V

      J5-1 (D) - Body ground

      LA-G - Body ground

      Power window motor DOWN output

      Ignition switch ON, rear power window regulator switch assembly (for RH door) OFF → DOWN (Manual operation)

      Below 1 V → 11 to 14 V

      If the result is not as specified, the rear power window regulator switch assembly (for RH door) may be malfunctioning.

  6. CHECK FRONT DOOR WINDOW REGULATOR ASSEMBLY (for Driver Door)

    B280976C02

    *A

    for LHD

    *B

    for RHD

    1. Disconnect the H14*1 or G5*2 front door window regulator assembly (for driver door) connector.

      • *1: for LHD

      • *2: for RHD

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

      Tip:

      Measure the values on the wire harness side with the connector disconnected.

      Table 13. for LHD

      Tester Connection

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      H14-1 (GND) - Body ground

      W-B - Body ground

      Ground

      Always

      Below 1 Ω

      H14-2 (B) - Body ground

      GR - Body ground

      Power supply

      Always

      11 to 14 V
      Table 14. for RHD

      Tester Connection

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      G5-1 (GND) - Body ground

      W-B - Body ground

      Ground

      Always

      Below 1 Ω

      G5-2 (B) - Body ground

      GR - Body ground

      Power supply

      Always

      11 to 14 V

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

    3. Reconnect the H14*1 or G5*2 front door window regulator assembly (for driver door) connector.

      • *1: for LHD

      • *2: for RHD

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

      Table 15. for LHD

      Tester Connection

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      H14-4 (AUTO) - H14-1 (GND)

      SB - W-B

      Power window motor AUTO UP input

      Ignition switch ON, driver door power window fully open

      11 to 14 V

      H14-4 (AUTO) - H14-1 (GND)

      SB - W-B

      Power window motor AUTO UP input

      Ignition switch ON, driver door power window moving, power window regulator master switch assembly (driver door power window regulator switch) fully pulled up (Auto operation)

      Below 1 V

      H14-4 (AUTO) - H14-1 (GND)

      SB - W-B

      Power window motor AUTO UP input

      Ignition switch ON, driver door power window fully closed

      11 to 14 V

      H14-4 (AUTO) - H14-1 (GND)

      SB - W-B

      Power window motor AUTO DOWN input

      Ignition switch ON, driver door power window fully closed

      11 to 14 V

      H14-4 (AUTO) - H14-1 (GND)

      SB - W-B

      Power window motor AUTO DOWN input

      Ignition switch ON, driver door power window moving, power window regulator master switch assembly (driver door power window regulator switch) fully pushed down (Auto operation)

      Below 1 V

      H14-4 (AUTO) - H14-1 (GND)

      SB - W-B

      Power window motor AUTO DOWN input

      Ignition switch ON, driver door power window fully open

      11 to 14 V

      H14-5 (LED) - H14-1 (GND)

      LG - W-B

      LED illumination signal

      Ignition switch ON

      11 to 14 V

      H14-5 (LED) - H14-1 (GND)

      LG - W-B

      LED illumination signal

      Ignition switch turned off

      Below 1 V

      H14-7 (DOWN) - H14-1 (GND)

      B - W-B

      Power window motor DOWN input

      Ignition switch ON, power window regulator master switch assembly (driver door power window regulator switch) not pushed or pulled

      11 to 14 V

      H14-7 (DOWN) - H14-1 (GND)

      B - W-B

      Power window motor DOWN input

      Ignition switch ON, power window regulator master switch assembly (driver door power window regulator switch) pushed halfway down (Manual operation)

      Below 1 V

      H14-7 (DOWN) - H14-1 (GND)

      B - W-B

      Power window motor DOWN input

      Ignition switch ON, driver door power window fully closed

      11 to 14 V

      H14-7 (DOWN) - H14-1 (GND)

      B - W-B

      Power window motor DOWN input

      Ignition switch ON, power window regulator master switch assembly (driver door power window regulator switch) fully pushed down (Auto operation)

      Below 1 V

      H14-7 (DOWN) - H14-1 (GND)

      B - W-B

      Power window motor DOWN input

      Ignition switch ON, driver door power window fully open

      11 to 14 V

      H14-10 (UP) - H14-1 (GND)

      W - W-B

      Power window motor UP input

      Ignition switch ON, power window regulator master switch assembly (driver door power window regulator switch) not pushed or pulled

      11 to 14 V

      H14-10 (UP) - H14-1 (GND)

      W - W-B

      Power window motor UP input

      Ignition switch ON, power window regulator master switch assembly (driver door power window regulator switch) pulled halfway up (Manual operation)

      Below 1 V

      H14-10 (UP) - H14-1 (GND)

      W - W-B

      Power window motor UP input

      Ignition switch ON, driver door power window fully open

      11 to 14 V

      H14-10 (UP) - H14-1 (GND)

      W - W-B

      Power window motor UP input

      Ignition switch ON, power window regulator master switch assembly (driver door power window regulator switch) fully pulled up (Auto operation)

      Below 1 V

      H14-10 (UP) - H14-1 (GND)

      W - W-B

      Power window motor UP input

      Ignition switch ON, driver door power window fully closed

      11 to 14 V
      Table 16. for RHD

      Tester Connection

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      G5-4 (AUTO) - G5-1 (GND)

      SB - W-B

      Power window motor AUTO UP input

      Ignition switch ON, driver door power window fully open

      11 to 14 V

      G5-4 (AUTO) - G5-1 (GND)

      SB - W-B

      Power window motor AUTO UP input

      Ignition switch ON, driver door power window moving, power window regulator master switch assembly (driver door power window regulator switch) fully pulled up (Auto operation)

      Below 1 V

      G5-4 (AUTO) - G5-1 (GND)

      SB - W-B

      Power window motor AUTO UP input

      Ignition switch ON, driver door power window fully closed

      11 to 14 V

      G5-4 (AUTO) - G5-1 (GND)

      SB - W-B

      Power window motor AUTO DOWN input

      Ignition switch ON, driver door power window fully closed

      11 to 14 V

      G5-4 (AUTO) - G5-1 (GND)

      SB - W-B

      Power window motor AUTO DOWN input

      Ignition switch ON, driver door power window moving, power window regulator master switch assembly (driver door power window regulator switch) fully pushed down (Auto operation)

      Below 1 V

      G5-4 (AUTO) - G5-1 (GND)

      SB - W-B

      Power window motor AUTO DOWN input

      Ignition switch ON, driver door power window fully open

      11 to 14 V

      G5-5 (LED) - G5-1 (GND)

      LG - W-B

      LED illumination signal

      Ignition switch ON

      11 to 14 V

      G5-5 (LED) - G5-1 (GND)

      LG - W-B

      LED illumination signal

      Ignition switch turned off

      Below 1 V

      G5-7 (DOWN) - G5-1 (GND)

      B - W-B

      Power window motor DOWN input

      Ignition switch ON, power window regulator master switch assembly (driver door power window regulator switch) not pushed or pulled

      11 to 14 V

      G5-7 (DOWN) - G5-1 (GND)

      B - W-B

      Power window motor DOWN input

      Ignition switch ON, power window regulator master switch assembly (driver door power window regulator switch) pushed halfway down (Manual operation)

      Below 1 V

      G5-7 (DOWN) - G5-1 (GND)

      B - W-B

      Power window motor DOWN input

      Ignition switch ON, driver door power window fully closed

      11 to 14 V

      G5-7 (DOWN) - G5-1 (GND)

      B - W-B

      Power window motor DOWN input

      Ignition switch ON, power window regulator master switch assembly (driver door power window regulator switch) fully pushed down (Auto operation)

      Below 1 V

      G5-7 (DOWN) - G5-1 (GND)

      B - W-B

      Power window motor DOWN input

      Ignition switch ON, driver door power window fully open

      11 to 14 V

      G5-10 (UP) - G5-1 (GND)

      W - W-B

      Power window motor UP input

      Ignition switch ON, power window regulator master switch assembly (driver door power window regulator switch) not pushed or pulled

      11 to 14 V

      G5-10 (UP) - G5-1 (GND)

      W - W-B

      Power window motor UP input

      Ignition switch ON, power window regulator master switch assembly (driver door power window regulator switch) pulled halfway up (Manual operation)

      Below 1 V

      G5-10 (UP) - G5-1 (GND)

      W - W-B

      Power window motor UP input

      Ignition switch ON, driver door power window fully open

      11 to 14 V

      G5-10 (UP) - G5-1 (GND)

      W - W-B

      Power window motor UP input

      Ignition switch ON, power window regulator master switch assembly (driver door power window regulator switch) fully pulled up (Auto operation)

      Below 1 V

      G5-10 (UP) - G5-1 (GND)

      W - W-B

      Power window motor UP input

      Ignition switch ON, driver door power window fully closed

      11 to 14 V

      If the result is not as specified, the front door window regulator assembly (for driver door) may be malfunctioning.

  7. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    1. Disconnect the MB main body ECU (multiplex network body ECU) connector.

      B332798C13

      *A

      Main Body ECU (Multiplex Network Body ECU) with 1 Connector

      -

      -

      *1

      Main Body ECU (Multiplex Network Body ECU)

      -

      -

      *a

      1 Connector

      -

      -
      B332794C12

      *A

      Main Body ECU (Multiplex Network Body ECU) with 2 Connectors

      -

      -

      *1

      Main Body ECU (Multiplex Network Body ECU)

      -

      -

      *a

      2 Connectors

      -

      -

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

      Tip:

      Measure the values on the wire harness side with the connectors disconnected.

      Tester Connection

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      MB-11 (GND1) - Body ground

      -

      Ground

      Always

      Below 1 Ω

      MB-30 (BECU) - Body ground

      -

      Battery power supply

      Always

      11 to 14 V

      MB-29 (ACC) - Body ground

      -

      ACC power supply

      Ignition switch ACC

      11 to 14 V

      MB-29 (ACC) - Body ground

      -

      ACC power supply

      Ignition switch off

      Below 1 V

      MB-32 (IG) - Body ground

      -

      Ignition switch power supply

      Ignition switch ON

      11 to 14 V

      MB-32 (IG) - Body ground

      -

      Ignition switch power supply

      Ignition switch off

      Below 1 V

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

    3. Reconnect the MB main body ECU (multiplex network body ECU) connector.

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

      Tester Connection

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      E22-2 (KOFF) - Body ground

      G - Body ground

      Power window relay operation signal

      Ignition switch ON

      11 to 14 V

      E22-2 (KOFF) - Body ground

      G - Body ground

      Power window relay operation signal

      Approximately 43 seconds after ignition switch turned off

      Below 1 V

      3E-25 (FLCY) - Body ground

      W - Body ground

      Front door courtesy switch LH input

      Front door LH open

      Below 1 V

      3E-25 (FLCY) - Body ground

      W - Body ground

      Front door courtesy switch LH input

      Front door LH closed

      Pulse generation

      E22-19 (FRCY) - Body ground

      V - Body ground

      Front door courtesy switch RH input

      Front door RH open

      Below 1 V

      E22-19 (FRCY) - Body ground

      V - Body ground

      Front door courtesy switch RH input

      Front door RH closed

      Pulse generation

      If the result is not as specified, the main body ECU (multiplex network body ECU) or instrument panel junction block assembly may be malfunctioning.