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Electric Retraction System Operates Unexpectedly (Both Sides)

Trouble causes: 

CAUTION: Before performing diagnosis, refer to "CAUTION" in "General Description". Refer to DOOR MIRROR (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION .
  1. CHECK DTC  .
    1. Turn the ignition switch to ON, and wait for 20 seconds or more.
    2. Read the DTC of [Door Mirror (Driver)] using the Subaru Select Monitor. Refer to DOOR MIRROR (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

    Are any DTCs displayed? (Current malfunction)

    Yes  : Perform the diagnosis for the displayed DTCs. Refer to DOOR MIRROR (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

    No  : Go to  2.

  2. CHECK CONNECTOR CONNECTION  .
    1. Turn the ignition switch to OFF.
    2. Check that the following connectors are properly connected. Repair the connector if any broken pin or poor mating is detected.
      • Remote control mirror switch connector
      • Outer mirror Control Module (driver's seat) connector
    3. Turn the ignition switch to ON.
    4. Check that the faulty phenomenon is reproduced.

    Is the faulty phenomenon reproduced?

    Yes  : Go to  3.

    No  : Since the poor contact of connector has repaired, the circuit condition returned to normal.

  3. CHECK REMOTE CONTROL MIRROR SWITCH  .

    Check remote control mirror switch unit. Refer to GLASS/WINDOWS/MIRRORS>REMOTE CONTROL MIRROR SWITCH .

    Is the remote control mirror switch OK?

    Yes  : Go to  4.

    No  : Replace the remote control mirror switch. Refer to GLASS/WINDOWS/MIRRORS>REMOTE CONTROL MIRROR SWITCH .

  4. CHECK HARNESS (SHORT CIRCUIT TO POWER SUPPLY)  .
    1. Turn the ignition switch to OFF.
    2. Disconnect the outer mirror Control Module (driver's seat) connector.
    3. Disconnect the remote control mirror switch connector.
    4. Turn the ignition switch to ON.
    5. Using a tester, measure the voltage between outer mirror Control Module (driver's seat) connector and chassis ground.

      Connector & terminal 

      (Df22) No. 1 (+) - Chassis ground (-):

      (Df22) No. 10 (+) - Chassis ground (-):

    Is the voltage less than 1 V?

    Yes  : Go to  5.

    No  : Repair the short circuit to power supply between outer mirror Control Module (driver's seat) connector and remote control mirror switch connector.

  5. CHECK INPUT SIGNAL  .

    Using the Subaru Select Monitor, check the following items in the [Data monitor] of [Door Mirror (Driver)]. Refer to DOOR MIRROR (DIAGNOSTIC)>DATA MONITOR .

    • Driver's Door Lock Status Signal
    • ACC Signal

    [Driver's Door Lock Status Signal]: Is "[Unlock]" displayed when the driver's door is unlocked?

    [ACC Signal]: Does the display change properly according to the ignition switch operation?

    Yes  : Temporary fault or outer mirror Control Module (driver's seat) malfunction may occur.

    Check if the faulty phenomenon is reproduced after a certain period of time, and if so, replace the outer mirror Control Module (driver's seat). Refer to GLASS/WINDOWS/MIRRORS>OUTER MIRROR Control Module .

    No  : Perform diagnosis for the body integrated unit. Refer to BODY CONTROL (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE .

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