LIGHTING SYSTEM Door Mirror Foot Light Circuit

DESCRIPTION

The main body ECU (multiplex network body ECU) controls the door mirror foot lights.

WIRING DIAGRAM


  1. w/o Seat Position Memory:

    B001L0UE11
    *a MILE
    *b Outer Rear View Mirror Assembly LH
    *c Outer Rear View Mirror Assembly RH
    *d Main Body ECU (Multiplex Network Body ECU)

  2. w/ Seat Position Memory:

    B001KT4E38
    *a Outer Rear View Mirror Assembly LH
    *b Outer Mirror Control ECU Assembly LH
    *c Outer Rear View Mirror Assembly RH
    *d Outer Mirror Control ECU Assembly RH

PROCEDURE


  1. CHECK VEHICLE CONDITION


    1. Check the vehicle condition.

      Result
      Result Proceed to
      w/o Seat Position Memory A
      w/ Seat Position Memory B

    B

    PERFORM ACTIVE TEST USING INTELLIGENT TESTER Click here

    A

  2. PERFORM ACTIVE TEST USING INTELLIGENT TESTER


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the intelligent tester on.

    4. Enter the following menus: Body / Main Body / Active Test.

    5. Check that the door mirror foot lights operate.

      Main Body
      Tester Display Test Part Control Range Diagnostic Note
      Side Mirror Foot Light Door mirror foot lights ON/OFF -
      OK
      Door mirror foot lights illuminate.

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

  3. CHECK OUTER REAR VIEW MIRROR ASSEMBLY


    1. B001KELE16
      Text in Illustration
      *a

      Component without harness connected

      (Outer Rear View Mirror Assembly LH)

      (Outer Rear View Mirror Assembly RH)

      Remove the outer rear view mirror assembly that does not illuminate Click here.

    2. Connect a positive (+) lead from the auxiliary battery to terminal 2 (MLP) and a negative (-) lead to terminal 12 (-).

    3. Check that the outer mirror foot light comes on.

      Result
      Result Proceed to
      OK A
      NG (Door mirror foot light LH does not come on) B
      NG (Door mirror foot light RH does not come on) C

    B

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH Click here

    C

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH Click here

    A

  4. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - OUTER REAR VIEW MIRROR ASSEMBLY)


    1. Disconnect the H17 main body ECU (multiplex network body ECU) connector.

    2. Disconnect the K6 or J6 outer rear view mirror assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K6-2 (MLP) - H17-4 (MILE) Always Below 1 Ω
      J6-2 (MLP) - H17-4 (MILE) Always Below 1 Ω
      H17-4 (MILE) - Body ground Always 10 kΩ or higher

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  5. PERFORM ACTIVE TEST USING INTELLIGENT TESTER


    1. Connect the intelligent tester on the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the intelligent tester on.

    4. Enter the following menus: Body / Mirror L or Mirror R / Active Test.

    5. Check that the door mirror foot lights operate.

      Mirror L
      Tester Display Test Part Control Range Diagnostic Note
      Foot Light Door mirror foot light LH ON/OFF -
      Mirror R
      Tester Display Test Part Control Range Diagnostic Note
      Foot Light Door mirror foot light RH ON/OFF -
      Result
      Result Proceed to
      OK A
      NG (Door mirror foot light LH does not come on) B
      NG (Door mirror foot light RH does not come on) C

    A

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    C

    INSPECT OUTER REAR VIEW MIRROR ASSEMBLY RH Click here

    B

  6. INSPECT OUTER REAR VIEW MIRROR ASSEMBLY LH


    1. B001KELE17
      Text in Illustration
      *a

      Component without harness connected

      (Outer Rear View Mirror Assembly LH)

      Remove the outer rear view mirror assembly LH Click here.

    2. Connect a positive (+) lead from the auxiliary battery to terminal 2 (LP) and a negative (-) lead to terminal 12 (HTR-).

    3. Check that the outer mirror foot light comes on.

      OK
      Door mirror foot light comes on.

    OK

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY (LH) Click here

    NG

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH Click here

  7. INSPECT OUTER REAR VIEW MIRROR ASSEMBLY RH


    1. B001KELE18
      Text in Illustration
      *a

      Component without harness connected

      (Outer Rear View Mirror Assembly RH)

      Remove the outer rear view mirror assembly RH Click here.

    2. Connect a positive (+) lead from the auxiliary battery to terminal 2 (LP) and a negative (-) lead to terminal 12 (HTR-).

    3. Check that the outer mirror foot light comes on.

      OK
      Door mirror foot light comes on.

    OK

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY (RH) Click here

    NG

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH Click here