LIGHTING SYSTEM Door Mirror Foot Light does not Illuminate

WIRING DIAGRAM

A01EMU9E07
A01EMU9E08

INSPECTION PROCEDURE

Note

First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no CAN communication malfunctions before troubleshooting this symptom.

PROCEDURE


  1. READ VALUE USING INTELLIGENT TESTER (DOOR COURTESY LIGHT SWITCH)


    1. Using the intelligent tester, read the Data List Click here.

      Main Body
      Tester Display Test Part Control Range Diagnostic Note
      D Door Courtesy SW Front door courtesy light switch (driver side) signal / ON or OFF

      ON: Front Door (driver side) open

      OFF: Front Door (driver side) closed

      		 -
      P Door Courtesy SW Front door courtesy light switch (front passenger side) signal / ON or OFF

      ON: Front Door (front passenger side) open

      OFF: Front Door (front passenger side) closed

      		 -
      RL Door Courtesy SW Rear door courtesy light switch LH signal / ON or OFF

      ON: Rear Door LH open

      OFF: Rear Door LH closed

      		 -
      RR Door Courtesy SW Rear door courtesy light switch RH signal / ON or OFF

      ON: Rear Door RH open

      OFF: Rear Door RH closed

      		 -
      OK
      On the intelligent tester screen, each item changes between ON and OFF according to above chart.
      Result
      Result Proceed to
      OK A
      NG (D Door Courtesy SW) B
      NG (P Door Courtesy SW) C
      NG (RL Door Courtesy SW) D
      NG (RR Door Courtesy SW) E

    B

    INSPECT FRONT DOOR COURTESY LIGHT SWITCH Click here

    C

    INSPECT FRONT DOOR COURTESY LIGHT SWITCH Click here

    D

    INSPECT REAR DOOR COURTESY LIGHT SWITCH LH Click here

    E

    INSPECT REAR DOOR COURTESY LIGHT SWITCH RH Click here

    A

  2. CONFIRM LIGHT POSITION


    1. Check the malfunctioning door mirror foot light.

      Result
      Result Proceed to
      Front LH A
      Front RH B

    B

    PERFORM ACTIVE TEST USING INTELLIGENT TESTER (DOOR MIRROR FOOT LIGHT) Click here

    A

  3. PERFORM ACTIVE TEST USING INTELLIGENT TESTER (DOOR MIRROR FOOT LIGHT)


    1. Using the intelligent tester, perform the Active Test Click here.

      Mirror
      Tester Display Test Part Control Range Diagnostic Note
      Foot Light Door mirror foot light illumination OFF/ON -
      OK
      Door mirror foot light (for driver side) condition is switched by Active Test.

    NG

    CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR LH - OUTER MIRROR CONTROL ECU) Click here

    OK

    REPLACE OUTER MIRROR CONTROL ECU Click here

  4. CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR LH - OUTER MIRROR CONTROL ECU)


    1. A01EPQ0E09

      for LHD:


      1. Disconnect the I18 ECU connector.

      2. Disconnect the I36 mirror connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        I18-17 (LP) - I36-18 (MLP) Always Below 1 Ω
        I18-17 (LP) - Body ground Always 10 kΩ or higher

    2. for RHD:


      1. Disconnect the I32 ECU connector.

      2. Disconnect the I35 mirror connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        I32-17 (LP) - I35-18 (MLP) Always Below 1 Ω
        I32-17 (LP) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. CHECK OUTER MIRROR CONTROL ECU

    A01ENO3E13

    1. for LHD:


      1. Measure the voltage according to the value(s) in the table below.

        Standard Voltage
        Tester Connection Switch Condition Specified Condition
        I18-17 (LP) - Body ground Engine switch off and all doors closed and locked, unlock door. 9 to 14 V

    2. for RHD:


      1. Measure the voltage according to the value(s) in the table below.

        Standard Voltage
        Tester Connection Switch Condition Specified Condition
        I32-17 (LP) - Body ground Engine switch off and all doors closed and locked, unlock door. 9 to 14 V

    NG

    REPLACE OUTER MIRROR CONTROL ECU Click here

    OK

    REPLACE OUTER REAR VIEW MIRROR LH Click here

  6. PERFORM ACTIVE TEST USING INTELLIGENT TESTER (DOOR MIRROR FOOT LIGHT)


    1. Using the intelligent tester, perform the Active Test Click here.

      Mirror
      Tester Display Test Part Control Range Diagnostic Note
      Foot Light Door mirror foot light illumination OFF/ON -
      OK
      Door mirror foot light (for front passenger side) condition is switched by Active Test.

    NG

    CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR RH - OUTER MIRROR CONTROL ECU) Click here

    OK

    REPLACE OUTER MIRROR CONTROL ECU Click here

  7. CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR RH - OUTER MIRROR CONTROL ECU)


    1. A01EPQ0E10

      for LHD:


      1. Disconnect the I18 ECU connector.

      2. Disconnect the I34 mirror connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        I18-37 (LP) - I34-18 (MLP) Always Below 1 Ω
        I18-37 (LP) - Body ground Always 10 kΩ or higher

    2. for RHD:


      1. Disconnect the I32 ECU connector.

      2. Disconnect the I33 mirror connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        I32-37 (LP) - I33-18 (MLP) Always Below 1 Ω
        I32-37 (LP) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  8. CHECK OUTER MIRROR CONTROL ECU

    A01ENO3E14

    1. for LHD:


      1. Measure the voltage according to the value(s) in the table below.

        Standard Voltage
        Tester Connection Switch Condition Specified Condition
        I18-37 (LP) - Body ground Engine switch off and all doors closed and locked, unlock door. 9 to 14 V

    2. for RHD:


      1. Measure the voltage according to the value(s) in the table below.

        Standard Voltage
        Tester Connection Switch Condition Specified Condition
        I32-37 (LP) - Body ground Engine switch off and all doors closed and locked, unlock door. 9 to 14 V

    NG

    REPLACE OUTER MIRROR CONTROL ECU Click here

    OK

    REPLACE OUTER REAR VIEW MIRROR RH Click here

  9. INSPECT FRONT DOOR COURTESY LIGHT SWITCH


    1. A01EQM3E05

      Remove the front door courtesy light switch Click here.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      1 - Body ground Not pushed Below 1 Ω
      Pushed 10 kΩ or higher

    NG

    REPLACE FRONT DOOR COURTESY LIGHT SWITCH Click here

    OK

  10. CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH - MAIN BODY ECU AND BODY GROUND)


    1. A01ESEDE02

      Disconnect the K2*1or L1*2 switch connector.


      • *1: for LHD

      • *2: for RHD

    2. Disconnect the E1 ECU connector.

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

      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      K2-1 - E1-24 (DCTY) Always Below 1 Ω
      K2-1 - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      L1-1 - E1-24 (DCTY) Always Below 1 Ω
      L1-1 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE MAIN BODY ECU

  11. INSPECT FRONT DOOR COURTESY LIGHT SWITCH


    1. A01EQM3E05

      Remove the front door courtesy light switch Click here.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      1 - Body ground Not pushed Below 1 Ω
      Pushed 10 kΩ or higher

    NG

    REPLACE FRONT DOOR COURTESY LIGHT SWITCH Click here

    OK

  12. CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH - MAIN BODY ECU AND BODY GROUND)


    1. A01EP1IE03

      Disconnect the L1*1 or K2*2 switch connector.


      • *1: for LHD

      • *2: for RHD

    2. Disconnect the E2 ECU connector.

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

      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      L1-1 - E2-21 (PCTY) Always Below 1 Ω
      L1-1 - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      K2-1 - E1-21 (PCTY) Always Below 1 Ω
      K2-1 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE MAIN BODY ECU

  13. INSPECT REAR DOOR COURTESY LIGHT SWITCH LH


    1. A01EQM3E03

      Remove the rear door courtesy light switch LH Click here.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      1 - Body ground Not pushed Below 1 Ω
      Pushed 10 kΩ or higher

    NG

    REPLACE REAR DOOR COURTESY LIGHT SWITCH LH Click here

    OK

  14. CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT SWITCH LH - MAIN BODY ECU AND BODY GROUND)


    1. A01EOITE02

      Disconnect the K3 switch connector.

    2. Disconnect the 2C ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K3-1 - 2C-2 (LCTY) Always Below 1 Ω
      K3-1 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE MAIN BODY ECU

  15. INSPECT REAR DOOR COURTESY LIGHT SWITCH RH


    1. A01EQM3E04

      Remove the rear door courtesy light switch RH Click here.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      1 - Body ground Not pushed Below 1 Ω
      Pushed 10 kΩ or higher

    NG

    REPLACE REAR DOOR COURTESY LIGHT SWITCH RH Click here

    OK

  16. CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT SWITCH RH - MAIN BODY ECU AND BODY GROUND)


    1. A01EMVVE02

      Disconnect the L2 switch connector.

    2. Disconnect the E2 ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L2-1 - E2-7 (RCTY) Always Below 1 Ω
      L2-1 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE MAIN BODY ECU