LIGHTING SYSTEM Inside Handle Light does not Illuminate

WIRING DIAGRAM

A0019ERE05

CAUTION / NOTICE / HINT

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. CONFIRM LIGHT POSITION


    1. Check the malfunctioning inside handle light.

      Result
      Result Proceed to
      Front LH A
      Front RH B
      Rear LH C
      Rear RH D
      All E

    B

    PERFORM ACTIVE TEST USING GTS (INSIDE HANDLE ILLUMINATION) Click here

    C

    PERFORM ACTIVE TEST USING GTS (INSIDE HANDLE ILLUMINATION) Click here

    D

    PERFORM ACTIVE TEST USING GTS (INSIDE HANDLE ILLUMINATION) Click here

    E

    REPLACE MAIN BODY ECU

    A

  2. PERFORM ACTIVE TEST USING GTS (INSIDE HANDLE ILLUMINATION)


    1. Using the GTS, read the Data List.

      Driver Door (for LHD)
      Tester Display Test Part Control Range
      Inside handle illumination Inside handle illumination operation OFF - ON
      Passenger Door (for RHD)
      Tester Display Test Part Control Range
      Inside handle illumination Inside handle illumination operation OFF - ON
      OK
      Inside handle illumination condition is switched by Active Test.

    OK

    REPLACE MAIN BODY ECU

    NG

  3. INSPECT FRONT INSIDE HANDLE ILLUMINATION LH

    A001EX3E22
    *1 Component without harness connected: (Front Inside Handle Illumination LH)

    1. Remove the front inside handle light LH.

    2. Apply battery voltage to the inside handle illumination and check the illumination condition.

      OK
      Measurement Condition Specified Condition

      Battery positive (+) → Terminal 2 (+)

      Battery negative (-) → Terminal 1 (-)

      		 Inside handle light illumination on

    NG

    REPLACE FRONT INSIDE HANDLE ILLUMINATION LH Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (FRONT DOOR ECU LH - FRONT INSIDE HANDLE ILLUMINATION LH)

    A001F5UE02
    *1 Front view of wire harness connector: (to Front Door ECU LH)
    *2 Front view of wire harness connector: (to Front Inside Handle Illumination LH)

    1. Disconnect the P10 ECU connector.

    2. Disconnect the P8 light connector.

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

      Standard resistance
      Tester Connection Condition Specified Condition
      P8-1 (-) - P10-22 (LED-) Always Below 1 Ω
      P8-2 (+) - P10-10 (LED+) Always Below 1 Ω
      P8-1 (-) - Body ground Always 10 kΩ or higher
      P8-2 (+) - Body ground Always 10 kΩ or higher

    OK

    REPLACE FRONT MULTIPLEX NETWORK DOOR ECU LH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  5. PERFORM ACTIVE TEST USING GTS (INSIDE HANDLE ILLUMINATION)


    1. Using the GTS, perform the Active Test.

      Passenger Door (for LHD)
      Tester Display Test Part Control Range
      Inside handle illumination Inside handle illumination operation OFF - ON
      Driver Door (for RHD)
      Tester Display Test Part Control Range
      Inside handle illumination Inside handle illumination operation OFF - ON
      OK
      Inside handle illumination condition is switched by Active Test.

    OK

    REPLACE MAIN BODY ECU

    NG

  6. INSPECT FRONT INSIDE HANDLE ILLUMINATION RH

    A001DXXE01
    *1 Component without harness connected: (Front Inside Handle Illumination RH)

    1. Remove the front inside handle.

    2. Apply battery voltage to the inside handle illumination and check the illumination condition.

      OK
      Measurement Condition Specified Condition

      Battery positive (+) → Terminal 2 (+)

      Battery negative (-) → Terminal 1 (-)

      		 Inside handle light illumination on

    NG

    REPLACE FRONT INSIDE HANDLE ILLUMINATION RH Click here

    OK

  7. CHECK HARNESS AND CONNECTOR (FRONT DOOR ECU RH - FRONT INSIDE HANDLE ILLUMINATION RH)

    A001A5OE02
    *1 Front view of wire harness connector: (to Front Door ECU RH)
    *2 Front view of wire harness connector: (to Front Inside Handle Illumination RH)

    1. Disconnect the P4 ECU connector.

    2. Disconnect the P2 light connector.

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

      Standard resistance
      Tester Connection Condition Specified Condition
      P2-1 (-) - P4-22 (LED-) Always Below 1 Ω
      P2-2 (+) - P4-10 (LED+) Always Below 1 Ω
      P2-2 (+) - Body ground Always 10 kΩ or higher
      P2-1 (-) - Body ground Always 10 kΩ or higher

    OK

    REPLACE FRONT MULTIPLEX NETWORK DOOR ECU RH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  8. PERFORM ACTIVE TEST USING GTS (INSIDE HANDLE ILLUMINATION)


    1. Using the GTS, perform the Active Test.

      Rear Left Door
      Tester Display Test Part Control Range
      Inside handle illumination Inside handle illumination operation OFF - ON
      OK
      Inside handle illumination condition is switched by Active Test.

    OK

    REPLACE MAIN BODY ECU

    NG

  9. INSPECT REAR INSIDE HANDLE ILLUMINATION LH

    A001ECBE01
    *1 Component without harness connected: (Rear Inside Handle Illumination LH)

    1. Remove the rear inside handle light.

    2. Apply battery voltage to the inside handle illumination and check the illumination condition.

      OK
      Measurement Condition Specified Condition

      Battery positive (+) → Terminal 2 (+)

      Battery negative (-) → Terminal 1 (-)

      		 Inside handle light illumination on

    NG

    REPLACE REAR INSIDE HANDLE ILLUMINATION LH Click here

    OK

  10. CHECK HARNESS AND CONNECTOR (REAR DOOR ECU LH - REAR INSIDE HANDLE ILLUMINATION LH)

    A00194YE02
    *1 Front view of wire harness connector: (to Rear Door ECU LH)
    *2 Front view of wire harness connector: (to Rear Inside Handle Illumination LH)

    1. Disconnect the O15 ECU connector.

    2. Disconnect the Q6 light connector.

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

      Standard resistance
      Tester Connection Condition Specified Condition
      Q6-1 (-) - O15-12 (LED-) Always Below 1 Ω
      Q6-2 (+) - O15-11 (LED+) Always Below 1 Ω
      Q6-1 (-) - Body ground Always 10 kΩ or higher
      Q6-2 (+) - Body ground Always 10 kΩ or higher

    OK

    REPLACE REAR MULTIPLEX NETWORK DOOR ECU LH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  11. PERFORM ACTIVE TEST USING GTS (INSIDE HANDLE ILLUMINATION)


    1. Using the GTS, perform the Active Test.

      Rear Right Door
      Tester Display Test Part Control Range
      Inside handle illumination Inside handle illumination operation OFF - ON
      OK
      Inside handle illumination condition is switched by Active Test.

    OK

    REPLACE MAIN BODY ECU

    NG

  12. INSPECT REAR INSIDE HANDLE ILLUMINATION RH ASSEMBLY

    A001CMLE01
    *1 Component without harness connected: (Rear Inside Handle Illumination RH)

    1. Remove the rear inside handle light.

    2. Apply battery voltage to the inside handle illumination and check the illumination condition.

      OK
      Measurement Condition Specified Condition

      Battery positive (+) → Terminal 2 (+)

      Battery negative (-) → Terminal 1 (-)

      		 Inside handle light illumination on

    NG

    REPLACE REAR INSIDE HANDLE ILLUMINATION RH Click here

    OK

  13. CHECK HARNESS AND CONNECTOR (REAR DOOR ECU RH - REAR INSIDE HANDLE ILLUMINATION RH)

    A001C0KE02
    *1 Front view of wire harness connector: (to Rear Door ECU RH)
    *2 Front view of wire harness connector: (to Rear Inside Handle Illumination RH)

    1. Disconnect the O2 ECU connector.

    2. Disconnect the Q1 light connector.

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

      Standard resistance
      Tester Connection Condition Specified Condition
      Q1-1 (-) - O2-12 (LED-) Always Below 1 Ω
      Q1-2 (+) - O2-11 (LED+) Always Below 1 Ω
      Q1-1 (-) - Body ground Always 10 kΩ or higher
      Q1-2 (+) - Body ground Always 10 kΩ or higher

    OK

    REPLACE REAR MULTIPLEX NETWORK DOOR ECU RH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR