POWER WINDOW CONTROL SYSTEM TERMINALS OF ECU

  1. CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

    1. B318850C01

      *A

      for LHD

      *B

      for RHD

      Disconnect the J5*1 or I5*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

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      J5-1 (E) - Body ground

      W-B - Body ground

      Ground

      Always

      Below 1 Ω

      J5-6 (B) - J5-1 (E)

      L - W-B

      IG power supply

      Power switch on (IG)

      11 to 14 V

      Power switch off

      Below 1 V
      Table 2. for RHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      I5-9 (E) - Body ground

      W-B - Body ground

      Ground

      Always

      Below 1 Ω

      I5-6 (B) - I5-9 (E)

      L - W-B

      IG power supply

      Power switch on (IG)

      11 to 14 V

      Power switch off

      Below 1 V

    3. Reconnect the J5*1 or I5*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

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      J5-3 (LED) - J5-1 (E)

      SB - W-B

      LED illumination signal

      Power switch on (IG)

      11 to 14 V

      Power switch off

      Below 1 V

      J5-4 (A) - J5-1 (E)

      LG - W-B

      Driver door power window motor AUTO UP output

      Power switch on (IG), driver door power window fully open

      11 to 14 V

      Power switch on (IG), driver door power window switch up (AUTO UP position)

      Below 1 V

      Power switch on (IG), driver door power window fully closed

      11 to 14 V

      Driver door power window motor AUTO DOWN output

      Power switch on (IG), driver door power window fully closed

      11 to 14 V

      Power switch on (IG), driver door power window switch down (AUTO DOWN position)

      Below 1 V

      Power switch on (IG), driver door power window fully open

      11 to 14 V

      J5-5 (D) - J5-1 (E)

      W - W-B

      Driver door power window motor DOWN output

      Power switch on (IG), driver door power window switch off

      Below 1 V

      Power switch on (IG), driver door power window switch down (Manual operation)

      11 to 14 V

      J5-8 (U) - J5-1 (E)

      P - W-B

      Driver door power window motor UP output

      Power switch on (IG), driver door power window switch off

      Below 1 V

      Power switch on (IG), driver door power window switch up (Manual operation)

      11 to 14 V

      J5-16 (U) - J5-1 (E)

      G - W-B

      Front passenger door power window motor UP output

      Power switch on (IG), front passenger door power window switch off

      Below 1 V

      Power switch on (IG), front passenger door power window switch up (Manual operation)

      11 to 14 V

      J5-15 (D) - J5-1 (E)

      BR - W-B

      Front passenger door power window motor DOWN output

      Power switch on (IG), front passenger door power window switch off

      Below 1 V

      Power switch on (IG), front passenger door power window switch down (Manual operation)

      11 to 14 V

      J5-12 (U) - J5-1 (E)

      R - W-B

      Rear door LH power window motor UP output

      Power switch on (IG), rear door LH power window switch off

      Below 1 V

      Power switch on (IG), rear door LH power window switch up (Manual operation)

      11 to 14 V

      J5-13 (D) - J5-1 (E)

      BE - W-B

      Rear door LH power window motor DOWN output

      Power switch on (IG), rear door LH power window switch off

      Below 1 V

      Power switch on (IG), rear door LH power window switch down (Manual operation)

      11 to 14 V

      J5-10 (U) - J5-1 (E)

      G - W-B

      Rear door RH power window motor UP output

      Power switch on (IG), rear door RH power window switch off

      Below 1 V

      Power switch on (IG), rear door RH power window switch up (Manual operation)

      11 to 14 V

      J5-18 (D) - J5-1 (E)

      BR - W-B

      Rear door RH power window motor DOWN output

      Power switch on (IG), rear door RH power window switch off

      Below 1 V

      Power switch on (IG), rear door RH power window switch down (Manual operation)

      11 to 14 V
      Table 4. for RHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      I5-1 (U) - I5-9 (E)

      W - W-B

      Driver door power window motor UP output

      Power switch on (IG), driver door power window switch off

      11 to 14 V

      Power switch on (IG), driver door power window switch up (Manual operation)

      Below 1 V

      J5-3 (LED) - J5-1 (E)

      LG - W-B

      LED illumination signal

      Power switch on (IG)

      11 to 14 V

      Power switch off

      Below 1 V

      I5-4 (A) - I5-9 (E)

      SB - W-B

      Driver door power window motor AUTO UP output

      Power switch on (IG), driver door power window fully open

      11 to 14 V

      Power switch on (IG), driver door power window switch up (AUTO UP position)

      Below 1 V

      Power switch on (IG), driver door power window fully closed

      11 to 14 V

      Driver door power window motor AUTO DOWN output

      Power switch on (IG), driver door power window fully closed

      11 to 14 V

      Power switch on (IG), driver door power window switch down (AUTO DOWN position)

      Below 1 V

      Power switch on (IG), driver door power window fully open

      11 to 14 V

      I5-5 (D) - I5-9 (E)

      B - W-B

      Driver door power window motor DOWN output

      Power switch on (IG), driver door power window switch off

      Below 1 V

      Power switch on (IG), driver door power window switch down (Manual operation)

      11 to 14 V

      I5-12 (U) - I5-9 (E)

      V - W-B

      Front passenger door power window motor UP output

      Power switch on (IG), front passenger door power window switch off

      Below 1 V

      Power switch on (IG), front passenger door power window switch up (Manual operation)

      11 to 14 V

      I5-13 (D) - I5-9 (E)

      Y - W-B

      Front passenger door power window motor DOWN output

      Power switch on (IG), front passenger door power window switch off

      Below 1 V

      Power switch on (IG), front passenger door power window switch down (Manual operation)

      11 to 14 V

      I5-18 (U) - I5-9 (E)

      R - W-B

      Rear door LH power window motor UP output

      Power switch on (IG), rear door LH power window switch off

      Below 1 V

      Power switch on (IG), rear door LH power window switch up (Manual operation)

      11 to 14 V

      I5-10 (D) - I5-9 (E)

      L - W-B

      Rear door LH power window motor DOWN output

      Power switch on (IG), rear door LH power window switch off

      Below 1 V

      Power switch on (IG), rear door LH power window switch down (Manual operation)

      11 to 14 V

      I5-16 (U) - I5-9 (E)

      G - W-B

      Rear door RH power window motor UP output

      Power switch on (IG), rear door RH power window switch off

      Below 1 V

      Power switch on (IG), rear door RH power window switch up (Manual operation)

      11 to 14 V

      I5-15 (D) - I5-9 (E)

      BR - W-B

      Rear door RH power window motor DOWN output

      Power switch on (IG), rear door RH power window switch off

      Below 1 V

      Power switch on (IG), rear door RH power window switch down (Manual operation)

      11 to 14 V

  2. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY

    1. B318851C01

      *A

      for LHD

      *B

      for RHD

      Disconnect the I4*1 or J4*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 5. for LHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      I4-3 (B) - Body ground

      L - Body ground

      IG power supply

      Power switch on (IG)

      11 to 14 V

      Power switch off

      Below 1 V
      Table 6. for RHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      J4-3 (B) - Body ground

      L - Body ground

      IG power supply

      Power switch on (IG)

      11 to 14 V

      Power switch off

      Below 1 V

    3. Reconnect the I4*1 or J4*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 7. for LHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      I4-4 (U) - Body ground

      Y - Body ground

      Front passenger power window motor UP output

      Power switch on (IG), power window regulator switch assembly off

      Below 1 V

      Power switch on (IG), power window regulator switch assembly up (Manual operation)

      11 to 14 V

      I4-1 (D) - Body ground

      B - Body ground

      Front passenger power window motor DOWN output

      Power switch on (IG), power window regulator switch assembly off

      Below 1 V

      Power switch on (IG), power window regulator switch assembly down (Manual operation)

      11 to 14 V
      Table 8. for RHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      J4-4 (U) - Body ground

      R - Body ground

      Front passenger power window motor UP output

      Power switch on (IG), power window regulator switch assembly off

      Below 1 V

      Power switch on (IG), power window regulator switch assembly up (Manual operation)

      11 to 14 V

      J4-1 (D) - Body ground

      GR - Body ground

      Front passenger power window motor DOWN output

      Power switch on (IG), power window regulator switch assembly off

      Below 1 V

      Power switch on (IG), power window regulator switch assembly down (Manual operation)

      11 to 14 V

  3. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH

    B318851E04

    1. Disconnect the L1 rear power window regulator switch assembly LH 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.

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      L1-3 (B) - Body ground

      P - Body ground

      IG power supply

      Power switch on (IG)

      11 to 14 V

      Power switch off

      Below 1 V

    3. Reconnect the L1 rear power window regulator switch assembly LH connector.

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

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      L1-4 (U) - Body ground

      G - Body ground

      Rear door LH power window motor UP output

      Power switch on (IG), rear power window regulator switch assembly LH off

      Below 1 V

      Power switch on (IG), rear power window regulator switch assembly LH up (Manual operation)

      11 to 14 V

      L1-1 (D) - Body ground

      Y - Body ground

      Rear door LH power window motor DOWN output

      Power switch on (IG), rear power window regulator switch assembly LH off

      Below 1 V

      Power switch on (IG), rear power window regulator switch assembly LH down (Manual operation)

      11 to 14 V

  4. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH

    B318851E05

    1. Disconnect the K1 rear power window regulator switch assembly RH 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.

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      K1-3 (B) - Body ground

      L - Body ground

      IG power supply

      Power switch on (IG)

      11 to 14 V

      Power switch off

      Below 1 V

    3. Reconnect the K1 rear power window regulator switch assembly RH connector.

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

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      K1-4 (U) - Body ground

      P - Body ground

      Rear door RH power window motor UP output

      Power switch on (IG), rear power window regulator switch assembly RH off

      Below 1 V

      Power switch on (IG), rear power window regulator switch assembly RH up (Manual operation)

      11 to 14 V

      K1-1 (D) - Body ground

      W - Body ground

      Rear door RH power window motor DOWN output

      Power switch on (IG), rear power window regulator switch assembly RH off

      Below 1 V

      Power switch on (IG), rear power window regulator switch assembly RH up (Manual operation)

      11 to 14 V

  5. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (for LHD)

    B263977E12

    1. Disconnect the J3 front power window regulator motor assembly LH connector.

    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.

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      J3-1 (GND) - Body ground

      W-B - Body ground

      Ground

      Always

      Below 1 Ω

      J3-2 (B) - Body ground

      GR - Body ground

      IG power supply

      Always

      11 to 14 V

    3. Reconnect the J3 front power window regulator motor assembly LH connector.

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

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      J3-4 (AUTO) - J3-1 (GND)

      LG - W-B

      Driver door power window motor AUTO UP input

      Power switch on (IG), driver door power window fully open

      11 to 14 V

      Power switch on (IG), 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

      Power switch on (IG), driver door power window fully closed

      11 to 14 V

      Driver door power window motor AUTO DOWN input

      Power switch on (IG), driver door power window fully closed

      11 to 14 V

      Power switch on (IG), 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

      Power switch on (IG), driver door power window fully open

      11 to 14 V

      J3-5 (LED) - J3-1 (GND)

      SB - W-B

      LED illumination signal

      Power switch on (IG)

      11 to 14 V

      Power switch off

      Below 1 V

      J3-7 (DOWN) - J3-1 (GND)

      W - W-B

      Driver door power window motor DOWN input

      Power switch on (IG), power window regulator master switch assembly not pushed or pulled

      11 to 14 V

      Power switch on (IG), power window regulator master switch assembly (driver door power window regulator switch) pushed halfway down (Manual operation)

      Below 1 V

      Power switch on (IG), driver door power window fully closed

      11 to 14 V

      Power switch on (IG), power window regulator master switch assembly (driver door power window regulator switch) fully pushed down (Auto operation)

      Below 1 V

      Power switch on (IG), driver door power window fully open

      11 to 14 V

      J3-10 (UP) - J3-1 (GND)

      P - W-B

      Driver door power window motor UP input

      Power switch on (IG), power window regulator master switch assembly (driver door power window regulator switch) not pushed or pulled

      11 to 14 V

      Power switch on (IG), power window regulator master switch assembly (driver door power window regulator switch) pulled halfway up (Manual operation)

      Below 1 V

      Power switch on (IG), driver door power window fully open

      11 to 14 V

      Power switch on (IG), power window regulator master switch assembly (driver door power window regulator switch) fully pulled up (Auto operation)

      Below 1 V

      Power switch on (IG), driver door power window fully closed

      11 to 14 V

  6. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH (for RHD)

    B263977E11

    1. Disconnect the I3 front power window regulator motor assembly RH connector.

    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.

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      I3-1 (GND) - Body ground

      W-B - Body ground

      Ground

      Always

      Below 1 Ω

      I3-2 (B) - Body ground

      GR - Body ground

      IG power supply

      Always

      11 to 14 V

    3. Reconnect the I3 front power window regulator motor assembly RH connector.

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

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      I3-4 (AUTO) - I3-1 (GND)

      SB - W-B

      Driver door power window motor AUTO UP input

      Power switch on (IG), driver door power window fully open

      11 to 14 V

      Power switch on (IG), 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

      Power switch on (IG), driver door power window fully closed

      11 to 14 V

      I3-4 (AUTO) - I3-1 (GND)

      SB - W-B

      Driver door power window motor AUTO DOWN input

      Power switch on (IG), driver door power window fully closed

      11 to 14 V

      Power switch on (IG), 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

      Power switch on (IG), driver door power window fully open

      11 to 14 V

      I3-5 (LED) - I3-1 (GND)

      LG - W-B

      LED illumination signal

      Power switch on (IG)

      11 to 14 V

      Power switch off

      Below 1 V

      I3-7 (DOWN) - I3-1 (GND)

      B - W-B

      Driver door power window motor DOWN input

      Power switch on (IG), power window regulator master switch assembly (driver door power window regulator switch) not pushed or pulled

      11 to 14 V

      Power switch on (IG), power window regulator master switch assembly (driver door power window regulator switch) pushed halfway down (Manual operation)

      Below 1 V

      Power switch on (IG), driver door power window fully closed

      11 to 14 V

      Power switch on (IG), power window regulator master switch assembly (driver door power window regulator switch) fully pushed down (Auto operation)

      Below 1 V

      Power switch on (IG), driver door power window fully open

      11 to 14 V

      I3-10 (UP) - I3-1 (GND)

      W - W-B

      Driver door power window motor UP input

      Power switch on (IG), power window regulator master switch assembly (driver door power window regulator switch) not pushed or pulled

      11 to 14 V

      Power switch on (IG), power window regulator master switch assembly (driver door power window regulator switch) pulled halfway up (Manual operation)

      Below 1 V

      Power switch on (IG), driver door power window fully open

      11 to 14 V

      Power switch on (IG), power window regulator master switch assembly (driver door power window regulator switch) fully pulled up (Auto operation)

      Below 1 V

      Power switch on (IG), driver door power window fully closed

      11 to 14 V

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

    C278789E03
    C278790C04

    *A

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

    *B

    Main Body ECU (Multiplex Network Body ECU) with 3 Connectors

    *1

    Main Body ECU (Multiplex Network Body ECU)

    -

    -

    1. Remove the main body ECU (multiplex network body ECU).

      for LHD:Click here

      for RHD:Click here

    2. Connect the instrument panel junction block assembly connectors.

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

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      A-11 (GND1) - Body ground

      None - Body ground

      Ground

      Always

      Below 1 Ω

      A-30 (BECU) - Body ground

      None - Body ground

      Auxiliary battery power supply

      Always

      11 to 14 V

      A-29 (ACC) - Body ground

      None - Body ground

      ACC power supply

      Power switch on (ACC)

      11 to 14 V

      Power switch off

      Below 1 V

      A-32 (IG) - Body ground

      None - Body ground

      IG power supply

      Power switch on (IG)

      11 to 14 V

      Power switch off

      Below 1 V

    4. Install the main body ECU (multiplex network body ECU).

      for LHD:Click hereClick here

      for RHD:Click hereClick here

    5. 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

      G78-2 (KOFF) - Body ground

      R - Body ground

      Power window relay operation signal

      Power switch on (IG)

      11 to 14 V

      Approximately 43 seconds after power switch off

      Below 1 V

      3E-32 (FLCY) - Body ground

      W - Body ground

      Front door courtesy switch LH input

      Front door LH open

      Below 1 V

      Front door LH closed

      Pulse generation

      G78-19 (FRCY) - Body ground

      L - Body ground

      Front door courtesy switch RH input

      Front door RH open

      Below 1 V

      Front door RH closed

      Pulse generation
      Table 10. for RHD:

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      G78-2 (KOFF) - Body ground

      R - Body ground

      Power window relay operation signal

      Power switch on (IG)

      11 to 14 V

      Approximately 43 seconds after power switch off

      Below 1 V

      3E-40 (FLCY) - Body ground

      W - Body ground

      Front door courtesy switch LH input

      Front door LH open

      Below 1 V

      Front door LH closed

      Pulse generation

      G78-19 (FRCY) - Body ground

      GR - Body ground

      Front door courtesy switch RH input

      Front door RH open

      Below 1 V

      Front door RH closed

      Pulse generation