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Door Mirror Foot Light Circuit [04/2013 - 10/2016]: Procedure

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  1. CHECK VEHICLE TYPE 
    1. Check the vehicle type.

      Result

      Result Proceed to
      Power mirror control system (w/o Memory) A
      Power mirror control system (w/ Memory) B

    Result: 

    B 

    See step  5

    Result: 

    A 

    See step  2

  2. PERFORM ACTIVE TEST USING TECHSTREAM 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Main Body / Active Test.
    5. Check that the high beam headlights illuminate.

      Body Electrical > Main Body > Active Test 

      Tester Display Measurement Item Control Range Diagnostic Note
      Side Mirror Foot Light Door mirror foot lights ON/OFF *1
      1. *1: for Power Mirror Control System (w/o Memory)

      Body Electrical > Main Body > Active Test 

      Tester Display
      Side Mirror Foot Light

      OK

      Door mirror foot lights illuminate.

      Result

      Result Proceed to
      OK A
      NG (One side door mirror foot light does not illuminate) B
      NG (Both side door mirror foot lights do not illuminate) C

    Result: 

    A 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [04/2013 - 06/2014]  , or refer to  PROBLEM SYMPTOMS TABLE [06/2014 - 08/2015]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2015 - 10/2016] 

    Result: 

    C 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    B 

    See step  3

  3. INSPECT OUTER REAR VIEW MIRROR ASSEMBLY 
    1. Remove the outer rear view mirror assembly that does not illuminate.

      Refer to REMOVAL [04/2013 - 10/2016]

    2. Connect a positive (+) lead from the battery to terminal 2 (MLP) and a negative (-) lead to terminal 12 (-).
      GTY461547Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Outer Rear View Mirror Assembly LH)
      (Outer Rear View Mirror Assembly RH)
    3. Check that the door mirror foot light illuminates.

      OK

      Door mirror foot light illuminates.

      Result

      Result Proceed to
      OK A
      NG (Outer rear view mirror assembly LH does not illuminate.) B
      NG (Outer rear view mirror assembly RH does not illuminate.) C

    Result: 

    B 

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH. Refer to  REMOVAL [04/2013 - 10/2016] 

    Result: 

    C 

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH. Refer to  REMOVAL [04/2013 - 10/2016] 

    Result: 

    A 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) - OUTER REAR VIEW MIRROR ASSEMBLY) 
    1. Disconnect the K1 main body ECU (multiplex network body ECU) connector.
    2. Disconnect the N23*1 or N8*2 outer rear view mirror assembly connector.
      1. *1: for LH Side
      2. *2: for RH Side
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      FOR LH SIDE

      Tester Connection Condition Specified Condition
      N23-2 (MLP) - K1-4 (MILE) Always Below 1 Ω
      K1-4 (MILE) - Body ground Always 10 kΩ or higher
      FOR RH SIDE

      Tester Connection Condition Specified Condition
      N8-2 (MLP) - K1-4 (MILE) Always Below 1 Ω
      K1-4 (MILE) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [04/2013 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  5. PERFORM ACTIVE TEST USING TECHSTREAM 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Mirror L or Mirror R / Active Test.
    5. Check that the door mirror foot lights illuminate.

      Body Electrical > Mirror L > Active Test 

      Tester Display Measurement Item Control Range Diagnostic Note
      Foot Light Door mirror foot light LH ON/OFF *1

      Body Electrical > Mirror R > Active Test 

      Tester Display Measurement Item Control Range Diagnostic Note
      Foot Light Door mirror foot light RH ON/OFF *1
      1. *1: for Power mirror control system (w/ Memory)

      Body Electrical > Mirror L > Active Test 

      Tester Display
      Foot Light

      Body Electrical > Mirror R > Active Test 

      Tester Display
      Foot Light

      OK

      Door mirror foot lights illuminate.

      Result

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

    Result: 

    A 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [04/2013 - 06/2014]  , or refer to  PROBLEM SYMPTOMS TABLE [06/2014 - 08/2015]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2015 - 10/2016] 

    Result: 

    C 

    See step  7

    Result: 

    B 

    See step  6

  6. INSPECT OUTER REAR VIEW MIRROR ASSEMBLY LH 
    1. Remove the outer rear view mirror assembly LH.

      Refer to REMOVAL [04/2013 - 10/2016]

    2. Connect a positive (+) lead from the battery to terminal 2 (MLP) and a negative (-) lead to terminal 12 (-).
      GTY461547Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Outer Rear View Mirror Assembly LH)
    3. Check that the door mirror foot light LH illuminates.

      OK

      Door mirror foot light illuminates.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY. Refer to  REMOVAL [04/2013 - ] 

    Result: 

    NG 

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH. Refer to  REMOVAL [04/2013 - 10/2016] 

  7. INSPECT OUTER REAR VIEW MIRROR ASSEMBLY RH 
    1. Remove the outer rear view mirror assembly RH.

      Refer to REMOVAL [04/2013 - 10/2016]

    2. Connect a positive (+) lead from the battery to terminal 2 (MLP) and a negative (-) lead to terminal 12 (-).
      GTY461547Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Outer Rear View Mirror Assembly RH)
    3. Check that the door mirror foot light RH illuminates.

      OK

      Door mirror foot light illuminates.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY. Refer to  REMOVAL [04/2013 - ] 

    Result: 

    NG 

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH. Refer to  REMOVAL [04/2013 - 10/2016] 

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