POWER MIRROR CONTROL SYSTEM Reverse Shift-linked Function of Power Mirrors does not Operate

SYSTEM DESCRIPTION

When the reverse signal is sent from the ECM through the CAN communication line to the outer mirror control ECU, the outer mirror control ECU assembly LH and RH activate the outer rear view mirror assembly LH and RH reverse shift-linked function.

Tech Tips

The reverse shift-linked function will not occur when the mirror master switch is in the neutral position (off).

CAUTION / NOTICE / HINT

Note


  • The power mirror control system uses the CAN communication system and LIN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the power mirror control system after confirming that the communication systems are functioning properly (See page ).

    Click here

  • If the main body ECU (multiplex network body ECU) is replaced, refer to the Entry and Start System (for Entry Function) Click here.

PROCEDURE


  1. CHECK MEMORY AND REACTIVATION FUNCTION


    1. Check the memory and reactivation functions Click here.

      OK
      Memory and reactivation functions operate normally.

    NG

    GO TO POWER SEAT CONTROL SYSTEM Click here

    OK

  2. CHECK FOR DTC (ECM)


    1. Clear the DTCs.


    2. Check for DTCs.


      OK
      DTCs are not output.
      Result
      Result Proceed to
      OK A
      NG (for 3UR-FE) B
      NG (for 1VD-FTV (w/ DPF)) C
      NG (for 1VD-FTV (w/o DPF)) D

    B

    GO TO SFI SYSTEM Click here

    C

    GO TO ECD SYSTEM Click here

    D

    GO TO ECD SYSTEM Click here

    A

  3. CHECK OPERATION OF SHIFT INDICATOR


    1. Check that the shift indicator of the combination meter assembly operates normally.

      OK
      Shift indicator of combination meter assembly operates normally.

    NG

    GO TO METER / GAUGE SYSTEM Click here

    OK

  4. CHECK MALFUNCTIONING PARTS


    1. Check the malfunctioning parts.

      Result
      Result Proceed to
      Both rear view mirror assembly LH and RH are malfunction (for LHD) A
      Both rear view mirror assembly LH and RH are malfunction (for RHD) B
      Only rear view mirror assembly LH is malfunction C
      Only rear view mirror assembly RH is malfunction D

    A

    MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    B

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    D

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH Click here

    C

  5. REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH


    1. Replace the outer rear view mirror assembly LH with a new or known good one Click here.


    NEXT

  6. CHECK MEMORY AND REACTIVATION FUNCTION


    1. Check the memory and reactivation functions Click here.

      OK
      Memory and reactivation functions operate normally.

    OK

    END (OUTER REAR VIEW MIRROR ASSEMBLY LH WAS DEFECTIVE)

    NG

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY LH Click here

  7. REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH


    1. Replace the outer rear view mirror assembly RH with a new or known good one Click here.


    NEXT

  8. CHECK MEMORY AND REACTIVATION FUNCTION


    1. Check the memory and reactivation functions Click here.

      OK
      Memory and reactivation functions operate normally.

    OK

    END (REAR VIEW MIRROR ASSEMBLY RH WAS DEFECTIVE)

    NG

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY RH Click here