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Inspection steps

WARNING: This page is about a different car, the 2019 Subaru BRZ. However, it is still accessible from the selected car via links, so may be relevant.
  1. Reading of SSM4 data monitor (door lock position switch)
    1. On the SSM4, navigate to the [Data monitor] display, and check the computer data. (Refer to DATA MONITOR/ACTIVE TEST )

    Criteria: The normal value on the data monitor is displayed properly.

    SSM4 screen: [Each System] →[Body Control] →[Data monitor]

    Item name Description/display range Normal value Remarks
    [D Door Lock Pos] Lock/unlock status of the driver's side door
    Display range: [Lock]-[Unlock]    		 [Lock]: When the driver's side door is locked.
    [Unlock]: When the driver's side door is unlocked.    		 -
    [P Door Lock Pos] Lock/unlock status of the passenger's side door
    Display range: [Lock]-[Unlock]    		 [Lock]: When the passenger's side door is locked
    [Unlock]: When the passenger's side door is unlocked    		 -

    Result

    Result Go to
    OK A
    NG (The door lock position switch of the driver's side door does not operate.) B
    NG (The door lock position switch of the passenger's side door does not operate.) C

    B: Go to step  2.

    C: Go to step  4.

    A: Go to next step

    See the next circuit for inspection shown on the symptom table. (Refer to SYMPTOM TABLE )

  2. Unit inspection of the front door lock ASSY RH
    1. Remove the front door lock ASSY RH. (Refer to REMOVAL )
    2. Perform the unit inspection of the front door lock ASSY RH. (Refer to UNIT INSPECTION )

    Criteria: The inspection result shows the normal status.

    NG: Replacement of the front door lock ASSY RH (Refer to REMOVAL )

    OK: Go to next step

  3. Inspection of the wiring harness and the connector (front door lock ASSY RH - main body ECM (multiplex network body computer) and chassis ground)
    NOTE: For inspection procedures and precautions, refer to SYMPTOM TABLE .
    1. Disconnect the connector F3 of the front door lock ASSY RH.
    2. Disconnect the connector D6 of the main body ECM (multiplex network body computer).
    3. Measure the resistance between the connector terminals on the vehicle wiring harness side.

    Resistance

    Inspection terminals Inspection conditions Standard value
    D6-12 (LSFP) - F3-7 (LSSR) Always Less than 1 Ω
    F3-8 (E) - chassis ground Always Less than 1 Ω
    F3-7 (LSSR) - chassis ground Always 10 kΩ or more

    NG: Repair or replacement of wiring harness or connector

    OK: Go to next step

    Replacement of the main body ECM (multiplex network body computer) (Refer to REMOVAL )

  4. Unit inspection of the front door lock ASSY LH
    1. Remove the front door lock ASSY LH. (Refer to REMOVAL )
    2. Perform the unit inspection of the front door lock ASSY LH. (Refer to UNIT INSPECTION )

    Criteria: The inspection result shows the normal status.

    NG: Replacement of the front door lock ASSY LH (Refer to REMOVAL )

    OK: Go to next step

  5. Inspection of the wiring harness and the connector (front door lock ASSY LH - main body ECM (multiplex network body computer) and chassis ground)
    NOTE: For inspection procedures and precautions, refer to SYMPTOM TABLE .
    1. Disconnect the connector E3 of the front door lock ASSY LH.
    2. Disconnect the connector D6 of the main body ECM (multiplex network body computer).
    3. Measure the resistance between the connector terminals on the vehicle wiring harness side.

    Resistance

    Inspection terminals Inspection conditions Standard value
    D6-11 (LSFD) - E3-8 (LSSR) Always Less than 1 Ω
    E3-7 (E) - chassis ground Always Less than 1 Ω
    E3-8 (LSSR) - chassis ground Always 10 kΩ or more

    NG: Repair or replacement of wiring harness or connector

    OK: Go to next step

    Replacement of the main body ECM (multiplex network body computer) (Refer to REMOVAL )

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