LIGHTING SYSTEM Inside Handle Light does not Illuminate

WIRING DIAGRAM

A01EQYJE01

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.

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

      ON: Front Door LH open

      OFF: Front Door LH closed

      		 -
      P Door Courtesy SW Front door courtesy light switch RH signal/ON or OFF

      ON: Front Door RH open

      OFF: Front Door RH 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 LH Click here

    C

    INSPECT FRONT DOOR COURTESY LIGHT SWITCH RH Click here

    D

    INSPECT REAR DOOR COURTESY LIGHT SWITCH LH Click here

    E

    INSPECT REAR DOOR COURTESY LIGHT SWITCH RH Click here

    A

  2. PERFORM ACTIVE TEST USING INTELLIGENT TESTER (INSIDE HANDLE ILLUMINATION LIGHT)


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

      Body No. 4
      Tester Display Test Part Control Range Diagnostic Note
      Inside Handle Illumination Inside handle illumination light operation OFF/ON -
      OK
      Inside handle illumination light condition is switched by Active Test.

    NG

    CONFIRM LIGHT POSITION Click here

    OK

    REPLACE NO. 2 MAIN BODY ECU Click here

  3. CONFIRM LIGHT POSITION


    1. Check the malfunctioning inside handle illumination light.

      Result
      Result Proceed to
      Front door inside handle illumination light LH A
      Front door inside handle illumination light RH B
      Rear door inside handle illumination light LH C
      Rear door inside handle illumination light RH D
      All lights do not illuminate E

    B

    CHECK HARNESS AND CONNECTOR (FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT RH - BATTERY) Click here

    C

    CHECK HARNESS AND CONNECTOR (REAR DOOR INSIDE HANDLE ILLUMINATION LIGHT LH - BATTERY) Click here

    D

    CHECK HARNESS AND CONNECTOR (REAR DOOR INSIDE HANDLE ILLUMINATION LIGHT RH - BATTERY) Click here

    E

    REPLACE NO. 2 MAIN BODY ECU Click here

    A

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


    1. A01ERS6E01

      Disconnect the I21 light connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      I21-1 (+B) - Body ground Always 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. INSPECT FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT LH

    A01ESA9E01

    1. Remove the front door inside handle illumination light LH Click here.

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

      OK
      Measurement Condition Specified Condition

      Battery positive (+) → Terminal 1 (+B)

      Battery negative (-) → Terminal 2 (GND)

      		 Inside handle illumination light on

    NG

    REPLACE FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT LH Click here

    OK

  6. CHECK HARNESS AND CONNECTOR (NO. 2 MAIN BODY ECU - FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT LH)

    A01EQV2E01

    1. Disconnect the L33 ECU connector.

    2. Disconnect the I21 light connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I21-2 (GND) - L33-6 (LSPT) Always Below 1 Ω
      I21-2 (GND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE NO. 2 MAIN BODY ECU Click here

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


    1. A01ERS6E02

      Disconnect the I20 light connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      I20-1 (+B) - Body ground Always 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  8. INSPECT FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT RH

    A01ESA9E02

    1. Remove the front door inside handle illumination light RH Click here.

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

      OK
      Measurement Condition Specified Condition

      Battery positive (+) → Terminal 1 (+B)

      Battery negative (-) → Terminal 2 (GND)

      		 Inside handle illumination light on

    NG

    REPLACE FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT RH Click here

    OK

  9. CHECK HARNESS AND CONNECTOR (NO. 2 MAIN BODY ECU - FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT RH)

    A01EQV2E02

    1. Disconnect the L33 ECU connector.

    2. Disconnect the I20 light connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I20-2 (GND) - L33-6 (LSPT) Always Below 1 Ω
      I20-2 (GND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE NO. 2 MAIN BODY ECU Click here

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


    1. A01ERS6E03

      Disconnect the J18 light connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      J18-1 (+B) - Body ground Always 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  11. INSPECT REAR DOOR INSIDE HANDLE ILLUMINATION LIGHT LH

    A01ESA9E03

    1. Remove the rear door inside handle illumination light LH Click here.

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

      OK
      Measurement Condition Specified Condition

      Battery positive (+) → Terminal 1 (+B)

      Battery negative (-) → Terminal 2 (GND)

      		 Inside handle illumination light on

    NG

    REPLACE REAR DOOR INSIDE HANDLE ILLUMINATION LIGHT LH Click here

    OK

  12. CHECK HARNESS AND CONNECTOR (NO. 2 MAIN BODY ECU - REAR DOOR INSIDE HANDLE ILLUMINATION LIGHT LH)

    A01EQV2E03

    1. Disconnect the L33 ECU connector.

    2. Disconnect the J18 light connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J18-2 (GND) - L33-6 (LSPT) Always Below 1 Ω
      J18-2 (GND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE NO. 2 MAIN BODY ECU Click here

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


    1. A01ERS6E04

      Disconnect the J16 light connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      J16-1 (+B) - Body ground Always 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  14. INSPECT REAR DOOR INSIDE HANDLE ILLUMINATION LIGHT RH

    A01ESA9E04

    1. Remove the rear door inside handle illumination light RH Click here.

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

      OK
      Measurement Condition Specified Condition

      Battery positive (+) → Terminal 1 (+B)

      Battery negative (-) → Terminal 2 (GND)

      		 Inside handle illumination light on

    NG

    REPLACE REAR DOOR INSIDE HANDLE ILLUMINATION LIGHT RH Click here

    OK

  15. CHECK WIRE HARNESS AND CONNECTOR (NO. 2 MAIN BODY ECU - REAR DOOR INSIDE HANDLE ILLUMINATION LIGHT RH)

    A01EQV2E05

    1. Disconnect the L33 ECU connector.

    2. Disconnect the J16 light connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J16-2 (GND) - L33-6 (LSPT) Always Below 1 Ω
      J16-2 (GND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE NO. 2 MAIN BODY ECU Click here

  16. INSPECT FRONT DOOR COURTESY LIGHT SWITCH LH


    1. A01EQM3E01

      Remove the front 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 FRONT DOOR COURTESY LIGHT SWITCH LH Click here

    OK

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


    1. A01ESEDE01

      Disconnect the K2 switch connector.

    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
      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

  18. INSPECT FRONT DOOR COURTESY LIGHT SWITCH RH


    1. A01EQM3E02

      Remove the front 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 FRONT DOOR COURTESY LIGHT SWITCH RH Click here

    OK

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


    1. A01EP1IE01

      Disconnect the L1 switch connector.

    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
      L1-1 - E2-24 (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

  20. 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

  21. 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

  22. 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

  23. 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