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ECM Terminal Arrangement

  1. Power window regulator motor ASSY LH (driver's seat)
    1. Disconnect the connector E5 of power window regulator motor ASSY LH (driver's seat).
    2. Measure the resistance and voltage between terminals.
      G12594880Courtesy of SUBARU OF AMERICA, INC.

      Standard value

      STANDARD VALUE SPECIFICATION

      Terminal No. (Terminal symbol) Inspection conditions Standard value
      E5-5 (VCC) ←→E5-4 (SGD) Always 11 to 14 V
      E5-4 (SGD) ←→Chassis ground Always Less than 1 Ω
      E5-1 (WU) ←→E5-4 (SGD) IG ON, master switch OFF→UP (manual operation) 11 to 14 V →Less than 1 V
      E5-1 (WU) ←→E5-4 (SGD) IG ON, driver's seat door glass full open→master switch UP (automatic operation)→door glass fully closed 11 to 14 V→less than 1 V→11 to 14 V
      E5-3 (WD) ←→E5-4 (SGD) IG ON, master switch OFF→DOWN (manual operation) 11 to 14 V →Less than 1 V
      E5-3 (WD) ←→E5-4 (SGD) IG ON, driver's seat door glass fully closed→master switch DOWN (automatic operation)→door glass full open 11 to 14 V→less than 1 V→11 to 14 V
      NOTE: If it is outside the standard values, the vehicle is defective.
    3. Connect the connector E5 of power window regulator motor ASSY LH (driver's seat).
    4. Measure the voltage between the terminals.
      NOTE: If it is not within the standard, failure exists in power window regulator motor ASSY LH (driver's seat).
  2. Power window regulator motor ASSY RH (passenger's seat)
    1. Disconnect the connector F1 of power window regulator motor ASSY RH (passenger's seat).
    2. Measure the resistance and voltage between terminals.
      G12594881Courtesy of SUBARU OF AMERICA, INC.

      Standard value

      STANDARD VALUE SPECIFICATION

      Terminal No. (Terminal symbol) Inspection conditions Standard value
      F1-5 (VCC) ←→F1-4 (SGD) Always 11 to 14 V
      F1-4 (SGD) ←→Chassis ground Always Less than 1 Ω
      NOTE: If it is outside the standard values, the vehicle is defective.
    3. Connect the connector F1 of power window regulator motor ASSY RH (passenger's seat).
    4. Measure the voltage between the terminals.

      Standard value

      STANDARD VALUE SPECIFICATION

      Terminal No. (Terminal symbol) Inspection conditions Standard value
      F1-1 (WU) ←→F1-4 (SGD) IG ON, regulator switch OFF→UP (manual operation) 11 to 14 V →Less than 1 V
      F1-1 (WU) ←→F1-4 (SGD) IG ON, passenger's seat door glass full open→regulator switch UP (automatic operation)→door glass fully closed 11 to 14 V→less than 1 V→11 to 14 V
      F1-3 (WD) ←→F1-4 (SGD) IG ON, regulator switch OFF→DOWN (manual operation) 11 to 14 V →Less than 1 V
      F1-3 (WD) ←→F1-4 (SGD) IG ON, passenger's seat door glass fully closed→regulator switch DOWN (automatic operation)→door glass full open 11 to 14 V→less than 1 V→11 to 14 V
      NOTE: If it is not within the standard, failure exists in power window regulator motor ASSY RH (passenger's seat).
  3. Power window regulator master switch ASSY
    1. Disconnect the connector E8 of power window regulator master switch ASSY.
    2. Measure the resistance and voltage between terminals.
      G12594882Courtesy of SUBARU OF AMERICA, INC.

      Standard value

      STANDARD VALUE SPECIFICATION

      Terminal No. (Terminal symbol) Inspection conditions Standard value
      E8-12 (+B) ←→E8-5 (GND) Always 11 to 14 V
      E8-5 (GND) ←→chassis ground Always Less than 1 Ω
      NOTE: If it is outside the standard values, the vehicle is defective.
    3. Connect the connector E8 of power window regulator master switch ASSY.
    4. Measure the voltage between the terminals.

      Standard value

      STANDARD VALUE SPECIFICATION

      Terminal No. (Terminal symbol) Inspection conditions Standard value
      E8-6 (WU) ←→E8-5 (GND) IG ON, master switch OFF→UP (manual operation) 11 to 14 V →Less than 1 V
      E8-6 (WU) ←→E8-5 (GND) IG ON, driver's seat door glass full open→master switch UP (automatic operation)→door glass fully closed 11 to 14 V→less than 1 V→11 to 14 V
      E8-7 (WD) ←→E8-5 (GND) IG ON, master switch OFF→DOWN (manual operation) 11 to 14 V →Less than 1 V
      E8-7 (WD) ←→E8-5 (GND) IG ON, driver's seat door glass fully closed→master switch DOWN (automatic operation)→door glass full open 11 to 14 V→less than 1 V→11 to 14 V
      NOTE: If it is not within the standard, failure exists in power window regulator master switch ASSY.
  4. Power window regulator switch ASSY
    1. Disconnect the connector F6 of power window regulator switch ASSY.
    2. Measure the resistance and voltage between terminals.
      G12594883Courtesy of SUBARU OF AMERICA, INC.

      Standard value

      STANDARD VALUE SPECIFICATION

      Terminal No. (Terminal symbol) Inspection conditions Standard value
      F6-12 (+B) ←→F6-5 (GND) Always 11 to 14 V
      F6-5 (GND) ←→chassis ground Always Less than 1 Ω
      NOTE: If it is outside the standard values, the vehicle is defective.
    3. Connect the connector F6 of power window regulator switch ASSY.
    4. Measure the voltage between the terminals.

      Standard value

      STANDARD VALUE SPECIFICATION

      Terminal No. (Terminal symbol) Inspection conditions Standard value
      F6-6 (WU) ←→F6-5 (GND) IG ON, passenger's switch OFF→UP (manual operation) 11 to 14 V →Less than 1 V
      F6-6 (WU) ←→F6-5 (GND) IG ON, passenger's seat door glass full open→passenger's seat switch UP (automatic operation)→door glass fully closed 11 to 14 V→less than 1 V→11 to 14 V
      F6-7 (WD) ←→F6-5 (GND) IG ON, passenger's switch OFF→DOWN (manual operation) 11 to 14 V →Less than 1 V
      F6-7 (WD) ←→F6-5 (GND) IG ON, passenger's seat door glass fully closed→passenger's seat switch DOWN (automatic operation)→door glass full open 11 to 14 V→less than 1 V→11 to 14 V
      NOTE: If it is not within the standard, failure exists in power window regulator switch ASSY.
  5. Instrument panel junction block ASSY, main body ECM (Network gateway computer)
    G12594884Courtesy of SUBARU OF AMERICA, INC.
    1. Inspection of the instrument panel junction block ASSY and the main body ECM (network gateway computer)
      1. Remove the main body ECM (network gateway computer) from the instrument panel junction block ASSY.
      2. Measure the voltage and resistance between terminals.

        Standard value

        STANDARD VALUE SPECIFICATION

        Terminal No. (Terminal symbol) Inspection conditions Standard value
        MB-1 (BECU) ←→chassis ground Always 11 to 14 V
        MB-8 (IG) ←→chassis ground IG OFF →IG ON Less than 1 V →11 to 14 V
        MB-9 (ACC) ←→chassis ground IG OFF →ACC ON Less than 1 V →11 to 14 V
        MB-11 (GND) ←→chassis ground Always Less than 1 Ω
        D5-22 (ACC) ←→chassis ground(1) IG OFF →ACC ON Less than 1 V →11 to 14 V
        NOTE:
        (1) With smart entry & start system
        NOTE: If it is outside the standard values, the vehicle is defective.
      3. Install the main body ECM (network gateway computer) on the instrument panel junction block ASSY.
      4. Measure the voltage between the terminals.

        Standard value

        STANDARD VALUE SPECIFICATION

        Terminal No. (Terminal symbol) Inspection conditions Standard value
        D5-4 ←→chassis ground IG ON Pulse generation
        D5-5 (FRCL) ←→chassis ground With driver's door closed →opened 11 to 14 V →Less than 1 V
        D5-6 (FLCL) ←→chassis ground With passenger's door closed →opened 11 to 14 V →Less than 1 V
        NOTE: If it is outside the standard values, the main body ECM (network gateway computer) is defective.
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