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Inside Handle Light does not Illuminate: Procedure

  1. READ VALUE USING TECHSTREAM (DOOR COURTESY LIGHT SWITCH) 
    1. Using the Techstream, 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 opened
      OFF: Front Door LH closed      		 -
      P Door Courtesy SW Front door courtesy light switch RH signal/ON or OFF ON: Front Door RH opened
      OFF: Front Door RH closed      		 -
      RL Door Courtesy SW Rear door courtesy light switch LH signal/ON or OFF ON: Rear Door LH opened
      OFF: Rear Door LH closed      		 -
      RR Door Courtesy SW Rear door courtesy light switch RH signal/ON or OFF ON: Rear Door RH opened
      OFF: Rear Door RH closed      		 -

      OK

      On the Techstream 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

    E → See step   31 

    D → See step   29 

    C → See step   27 

    B → See step   25 

    A: Go to next step 

  2. PERFORM ACTIVE TEST USING TECHSTREAM (INSIDE HANDLE ILLUMINATION LIGHT) 
    1. Using the Techstream, 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 → See step   3 

    OK → See step   16 

  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 does not light illuminate E

    E → See step   16 

    D → See step   13 

    C → See step   10 

    B → See step   7 

    A: Go to next step 

  4. CHECK HARNESS AND CONNECTOR (FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT LH - BATTERY) 
    1. Disconnect the I21 light connector.
      Fig 1: Identifying 121 Light Connector
      GTY139243Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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: Go to next step 

  5. INSPECT FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT LH 
    Fig 2: Inspecting Front Door Inside Handle Illumination Light LH
    GTY143333Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the front door inside handle illumination light LH. Refer to INSPECTION - Step 1 .
    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 → See step   17 

    OK: Go to next step 

  6. CHECK HARNESS AND CONNECTOR (NO. 2 MAIN BODY ECU - FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT LH) 
    Fig 3: Identifying L33 ECU And I21 Light Connectors
    GTY141579Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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 → See step   18 

  7. CHECK HARNESS AND CONNECTOR (FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT RH - BATTERY) 
    1. Disconnect the I20 light connector.
      Fig 4: Identifying I20 Light Connector
      GTY144163Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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: Go to next step 

  8. INSPECT FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT RH 
    Fig 5: Inspecting Front Door Inside Handle Illumination Light RH
    GTY154281Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the front door inside handle illumination light RH. Refer to INSPECTION - Step 1 .
    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 → See step   19 

    OK: Go to next step 

  9. CHECK HARNESS AND CONNECTOR (NO. 2 MAIN BODY ECU - FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT RH) 
    Fig 6: Identifying L33 ECU And I20 Light Connectors
    GTY154279Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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 → See step   20 

  10. CHECK HARNESS AND CONNECTOR (REAR DOOR INSIDE HANDLE ILLUMINATION LIGHT LH - BATTERY) 
    1. Disconnect the J18 light connector.
      Fig 7: Identifying J18 Light Connector
      GTY154280Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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: Go to next step 

  11. INSPECT REAR DOOR INSIDE HANDLE ILLUMINATION LIGHT LH 
    Fig 8: Identifying Rear Door Inside Handle Illumination Light LH
    GTY154282Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the rear door inside handle illumination light LH. Refer to INSPECTION - Step 1 .
    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 → See step   21 

    OK: Go to next step 

  12. CHECK HARNESS AND CONNECTOR (NO. 2 MAIN BODY ECU - REAR DOOR INSIDE HANDLE ILLUMINATION LIGHT LH) 
    Fig 9: Identifying L33 ECU And J18 Light Connectors
    GTY122713Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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 → See step   22 

  13. CHECK HARNESS AND CONNECTOR (REAR DOOR INSIDE HANDLE ILLUMINATION LIGHT RH - BATTERY) 
    1. Disconnect the J16 light connector.
      Fig 10: Identifying J16 Light Connector
      GTY139242Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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: Go to next step 

  14. INSPECT REAR DOOR INSIDE HANDLE ILLUMINATION LIGHT RH 
    Fig 11: Identifying Rear Door Inside Handle Illumination Light RH Connector
    GTY134257Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the rear door inside handle illumination light RH. Refer to INSPECTION - Step 1 .
    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 → See step   23 

    OK: Go to next step 

  15. CHECK WIRE HARNESS AND CONNECTOR (NO. 2 MAIN BODY ECU - REAR DOOR INSIDE HANDLE ILLUMINATION LIGHT RH) 
    Fig 12: Identifying L33 ECU And J16 Light Connectors
    GTY122679Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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 → See step   24 

  16. REPLACE NO. 2 MAIN BODY ECU. Refer to  REMOVAL - Step 90 
  17. REPLACE FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT LH. Refer to  REMOVAL - Step 5 
  18. REPLACE NO. 2 MAIN BODY ECU. Refer to  REMOVAL - Step 90 
  19. REPLACE FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT RH. Refer to  REMOVAL - Step 5 
  20. REPLACE NO. 2 MAIN BODY ECU. Refer to  REMOVAL - Step 90 
  21. REPLACE REAR DOOR INSIDE HANDLE ILLUMINATION LIGHT LH. Refer to  REMOVAL - Step 4 
  22. REPLACE NO. 2 MAIN BODY ECU. Refer to  REMOVAL - Step 90 
  23. REPLACE REAR DOOR INSIDE HANDLE ILLUMINATION LIGHT RH. Refer to  REMOVAL - Step 4 
  24. REPLACE NO. 2 MAIN BODY ECU. Refer to  REMOVAL - Step 90 
  25. INSPECT FRONT DOOR COURTESY LIGHT SWITCH LH 
    1. Remove the front door courtesy light switch LH. Refer to INSPECTION - Step 1 .
      Fig 13: Inspecting Front Door Courtesy Light Switch LH
      GTY153932Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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 → See step   33 

    OK: Go to next step 

  26. CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH LH - MAIN BODY ECU AND BODY GROUND) 
    1. Disconnect the K2 switch connector.
      Fig 14: Identifying K2 Switch And E1 ECU Connectors
      GTY153064Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the E1 ECU connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K2-1 - E1-24 (DCTY) 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 

  27. INSPECT FRONT DOOR COURTESY LIGHT SWITCH RH 
    1. Remove the front door courtesy light switch RH. Refer to INSPECTION - Step 1 .
      Fig 15: Inspecting Front Door Courtesy Light Switch RH
      GTY153933Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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 → See step   34 

    OK: Go to next step 

  28. CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH RH - MAIN BODY ECU AND BODY GROUND) 
    1. Disconnect the L1 switch connector.
      Fig 16: Identifying L1 Switch And E2 ECU Connectors
      GTY153065Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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
      L1-1 - E2-21 (PCTY) 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 

  29. INSPECT REAR DOOR COURTESY LIGHT SWITCH LH 
    1. Remove the rear door courtesy light switch LH. Refer to INSPECTION - Step 1 .
      Fig 17: Inspecting Rear Door Courtesy Light Switch LH
      GTY153934Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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 → See step   35 

    OK: Go to next step 

  30. CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT SWITCH LH - MAIN BODY ECU AND BODY GROUND) 
    1. Disconnect the K3 switch connector.
      Fig 18: Identifying K3 Switch And 2C ECU Connector Terminals
      GTY153066Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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 

  31. INSPECT REAR DOOR COURTESY LIGHT SWITCH RH 
    1. Remove the rear door courtesy light switch RH. Refer to INSPECTION - Step 1 .
      Fig 19: Inspecting Rear Door Courtesy Light Switch RH
      GTY153935Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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 → See step   36 

    OK: Go to next step 

  32. CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT SWITCH RH - MAIN BODY ECU AND BODY GROUND) 
    1. Disconnect the L2 switch connector.
      Fig 20: Identifying L2 Switch And E2 ECU Connector Terminals
      GTY153067Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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 

  33. REPLACE FRONT DOOR COURTESY LIGHT SWITCH LH. Refer to  REMOVAL - Step 1 
  34. REPLACE FRONT DOOR COURTESY LIGHT SWITCH RH. Refer to  REMOVAL - Step 1 
  35. REPLACE REAR DOOR COURTESY LIGHT SWITCH LH. Refer to  REMOVAL - Step 1 
  36. REPLACE REAR DOOR COURTESY LIGHT SWITCH RH. Refer to  REMOVAL - Step 1 
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