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Lighting System: Inspection

WARNING: This page is about a different car, the 2004 Lexus RX 330. However, it is still accessible from the selected car via links, so may be relevant.
  1. HEADLAMP DIMMER SWITCH ASSY 
    Fig 1: Identifying C10 Connector Terminal
    G03479073Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Inspect light control switch.
      1. Measure the resistance according to the value(s) in LIGHT CONTROL SWITCH RESISTANCE  .

      Standard: 

      LIGHT CONTROL SWITCH RESISTANCE

      Tester connection Switch operation Specified resistance
      - OFF 10 kΩ or higher
      12 - 18 TAIL Below 1 Ω
      12 - 18 - 20 HEAD Below 1 Ω
      12 - 19 AUTO Below 1 Ω
    2. Inspect headlight dimmer switch.
      1. Measure the resistance according to the value(s) in HEADLAMP DIMMER SWITCH ASSY RESISTANCE  .

      Standard: 

      HEADLAMP DIMMER SWITCH ASSY RESISTANCE

      Tester connection Switch operation Specified resistance
      12 - 17 FLASH Below 1 Ω
      12 - 16 LOW BEAM Below 1 Ω
      11 - 12 HI BEAM Below 1 Ω
    3. Inspect turn signal switch.
      1. Measure the resistance according to the value(s) in TURN SIGNAL SWITCH RESISTANCE  .

      Standard: 

      TURN SIGNAL SWITCH RESISTANCE

      Tester connection Switch operation Specified resistance
      12 - 13 Right turn Below 1 Ω
      - Neutral 10 kΩ or higher
      12 - 15 Left turn Below 1 Ω
    4. Inspect front fog light switch.
      1. Measure the resistance according to the value(s) in FRONT FOG LIGHT SWITCH RESISTANCE  .

    Standard: 

    FRONT FOG LIGHT SWITCH RESISTANCE

    Tester connection Switch operation Specified resistance
    - OFF 10 kΩ or higher
    3 - 4 Fog lamp switch ON Below 1 Ω
  2. CENTER CLUSTER INTEGRATION SWITCH ASSY (W/O LEXUS NAVIGATION SYSTEM) 
    Fig 2: Connecting Voltmeter Lead To C4 Terminal Connector
    G03479074Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Inspect hazard warning signal switch assy operation.
      1. Measure the voltage according to the value(s) in CENTER CLUSTER INTEGRATION SWITCH ASSY VOLTAGE  .

    Standard: 

    CENTER CLUSTER INTEGRATION SWITCH ASSY VOLTAGE

    Condition Tester connection Specified condition
    OFF 7 - 11 Below 1 V
    ON 7 - 11 10 to 14 V
  3. MULTI-DISPLAY ASSY (W/ LEXUS NAVIGATION SYSTEM) 
    Fig 3: Identifying Connector Terminal
    G03479075Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Inspect hazard warning signal switch assy operation.
      1. Measure the resistance according to the value(s) in MULTI-DISPLAY ASSY RESISTANCE  .

      Standard: 

      MULTI-DISPLAY ASSY RESISTANCE

      Tester connection Switch operation Specified resistance
      M5- 12 - M6-6 OFF 10 kΩ or higher
      M5- 12 - M6-6 ON Below 1 Ω
      M6- 7 - M6-8 illumination circuit Below 1 Ω
    2. Inspect illumination operation.
      1. Connect the (+) lead from the battery to the terminal M6-8 and the (-) lead to terminal M6-7, then check that the illumination comes on.

    Standard: 

    Comes on 

  4. FRONT DOOR COURTESY LAMP SWITCH ASSY 
    1. Measure the resistance according to the value(s) in FRONT DOOR COURTESY LAMP SWITCH ASSY RESISTANCE  .

    Standard: 

    FRONT DOOR COURTESY LAMP SWITCH ASSY RESISTANCE

    Switch operation Specified resistance
    ON (When shaft is pressed) 10 kΩ or higher
    OFF (When shaft is not pressed) Below 1 Ω
  5. REAR DOOR COURTESY LAMP SWITCH ASSY 
    1. Measure the resistance according to the value(s) in REAR DOOR COURTESY LAMP SWITCH ASSY RESISTANCE  .

    Standard: 

    REAR DOOR COURTESY LAMP SWITCH ASSY RESISTANCE

    Switch operation Specified resistance
    ON (When shaft is pressed) 10 kΩ or higher
    OFF (When shaft is not pressed) Below 1 Ω
  6. BACK DOOR LOCK ASSY (W/O POWER BACK DOOR) 
    Fig 4: Identifying B12 Connector Terminal
    G03479076Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Check the courtesy lamp switch.
    1. Measure the resistance according to the value(s) in BACK DOOR LOCK ASSY (W/O POWER BACK DOOR) RESISTANCE  .

    Standard: 

    BACK DOOR LOCK ASSY (W/O POWER BACK DOOR) RESISTANCE

    Condition Tester connection Specified resistance
    1 - 2 Back door is closed 10 kΩ or higher
    1 - 2 Back door is opened Below 1 Ω
  7. BACK DOOR LOCK ASSY (W/ POWER BACK DOOR) 
    Fig 5: Identifying B11 Connector Terminal
    G03479077Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Check the courtesy lamp switch.
      1. Measure the resistance according to the value(s) in BACK DOOR LOCK ASSY (W/ POWER BACK DOOR) RESISTANCE  .

      Standard: 

      BACK DOOR LOCK ASSY (W/ POWER BACK DOOR) RESISTANCE

      Tester connection Condition Specified resistance
      1 - 6 Back door is closed 10 kΩ or higher
      1 - 6 Back door is opened Below 1 Ω
  8. FOG LAMP RELAY 
    Fig 6: Identifying Fog Lamp Relay
    G03479078Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Measure the resistance according to the value(s) in FOG LAMP RELAY RESISTANCE  .

      Standard: 

      FOG LAMP RELAY RESISTANCE

      Tester connection Condition Specified resistance
      3 - 5 Always 10 kΩ or higher
      3 - 5 Apply B+ between the terminal 1 and 2 Below 1 Ω
  9. TAIL LAMP RELAY 
    Fig 7: Identifying Tail Lamp Relay
    G03479079Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Measure the resistance according to the value(s) in TAIL LAMP RELAY RESISTANCE  .

    Standard: 

    TAIL LAMP RELAY RESISTANCE

    Tester connection Condition Specified resistance
    3 - 5 Always 10 kΩ or higher
    3 - 5 Apply B+ between the terminal 1 and 2 Below 1 Ω
  10. BRK RELAY 
    Fig 8: Identifying BRK Relay
    G03479080Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Measure the resistance according to the value(s) in BRK RELAY RESISTANCE  .

      Standard: 

      BRK RELAY RESISTANCE

      Tester connection Condition Specified resistance
      3 - 4 Always Below 1 Ω
      3 - 4 Apply B+ between the terminal 1 and 2 10 kΩ or higher
      3 - 5 Apply B+ between the terminal 1 and 2 Below 1 Ω
  11. TRANSPONDER KEY AMPLIFIER 
    Fig 9: Identifying T8 Connector Terminal
    G03479081Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Inspect key cylinder operation.
      1. Connect the (+) lead to the terminal 2 and the (-) lead to the terminal 6, and check that the indicator light come on.

      Standard: 

      Comes on 

  12. MAP LAMP ASSY 
    Fig 10: Identifying O2 Connector Terminal
    G03479082Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Inspect map lamp assy in the overhead J/B.
      1. Measure the resistance according to the value(s) in MAP LAMP ASSY RESISTANCE  .

      Standard: 

      MAP LAMP ASSY RESISTANCE

      Tester connection Switch operation Specified resistance
      - OFF 10 kΩ or higher
      6 - 17 DOOR Continuity
      5 - 17 ON Continuity
  13. ROOM LAMP ASSY NO.1 
    Fig 11: Identifying F14 Connector Terminal
    G03479083Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Measure the resistance according to the value(s) in ROOM LAMP ASSY NO. 1 RESISTANCE  .

      Standard: 

      ROOM LAMP ASSY NO. 1 RESISTANCE

      Tester connection Switch operation Specified resistance
      - OFF 10 kΩ or higher
      2 - 3 DOOR Continuity
      1 - 3 ON Continuity
  14. ROOM LAMP ASSY NO.2 
    1. Measure the resistance according to the value(s) in ROOM LAMP ASSY NO. 2 RESISTANCE  .

      Standard: 

      ROOM LAMP ASSY NO. 2 RESISTANCE

      Switch operation Specified resistance
      ON Continuity
      OFF 10 kΩ or higher
  15. GLOVE BOX LAMP ASSY 
    1. Measure the resistance according to the value(s) in GLOVE BOX LAMP ASSY RESISTANCE  .

      Standard: 

      GLOVE BOX LAMP ASSY RESISTANCE

      Switch operation Specified resistance
      ON (When shaft is pressed) 10 kΩ or higher
      OFF (When shaft is not pressed) Continuity
  16. LH VISOR ASSY 
    1. Measure the resistance according to the value(s) in LH VISOR ASSY RESISTANCE  .

      Standard: 

      LH VISOR ASSY RESISTANCE

      Switch operation Specified resistance
      ON (opened) Continuity
      OFF (Closed) 10 kΩ or higher
  17. RH VISOR ASSY 
    1. Measure the resistance according to the value(s) in RH VISOR ASSY RESISTANCE  .

    Standard: 

    RH VISOR ASSY RESISTANCE

    Switch operation Specified resistance
    ON (opened) Continuity
    OFF (Closed) 10 kΩ or higher
  18. INTERIOR ILLUMINATION LAMP ASSY NO.1 
    1. Inspect step light.
      1. Connect the (+) lead from the battery to the terminal 2 and the (-) lead to terminal 1, then check that the illumination comes on.

    Standard: 

    Comes on 

    Fig 12: Identifying S11 Connector Terminal
    G03479084Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. INTERIOR ILLUMINATION LAMP ASSY NO.1 RH 
    1. Inspect step light.
    1. Connect the (+) lead from the battery to the terminal 2 and the (-) lead to terminal 1, then check that the illumination comes on.

    Standard: 

    Comes on 

    20. Fig 13: Identifying S12 Connector Terminal
    G03479085Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. CONSOLE BOX ILLUMINATION LAMP ASSY 
    1. Connect the (+) lead from the battery to the terminal 2 and the (-) lead to terminal 1, then check that the illumination comes on.

      Standard: 

      Comes on 

      Fig 14: Identifying Console Box Illumination Lamp Assy Terminals
      G03479086Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. REAR CONSOLE BOX HOLDER CUP 
    1. Inspect cup holder illumination.
      1. Connect the (+) lead from the battery to the terminal 2 and the (-) lead to terminal 1, then check that the illumination comes on.

      Standard: 

      Comes on 

      Fig 15: Identifying Rear Console Box Holder Cup Terminals
      G03479087Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. FRONT DOOR TRIM BOARD SUB-ASSY LH 
    1. Inspect door handle illumination.
      1. Connect the (+) lead from the battery to the terminal 1 and the (-) lead to terminal 2, then check that the illumination comes on.

      Standard: 

      Comes on 

      Fig 16: Identifying Door Trim Board Sub-Assy LH Terminals
      G03479088Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  23. FRONT DOOR TRIM BOARD SUB-ASSY RH 
    1. Inspect door handle illumination.
      1. Connect the (+) lead from the battery to the terminal 1 and the (-) lead to terminal 2, then check that the illumination comes on.

      Standard: 

      Comes on 

      Fig 17: Identifying Front Door Trim Board Sub-Assy RH Terminals
      G03479089Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  24. REAR DOOR TRIM BOARD SUB-ASSY LH 
    1. Inspect door handle illumination.
      1. Connect the (+) lead from the battery to the terminal 1 and the (-) lead to terminal 2, then check that the illumination comes on.

      Standard: 

      Comes on 

      Fig 18: Identifying Rear Door Trim Board Sub-Assy LH Terminals
      G03479090Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  25. REAR DOOR TRIM BOARD SUB-ASSY RH 
    1. Inspect door handle illumination.
      1. Connect the (+) lead from the battery to the terminal 1 and the (-) lead to terminal 2, then check that the illumination comes on.

      Standard: 

      Comes on 

      Fig 19: Identifying Rear Door Trim Board Sub-Assy RH Terminals
      G03479091Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  26. FRONT DOOR SCUFF PLATE LH 
    1. Inspect scuff plate illumination.
      1. Connect the (+) lead from the battery to the terminal 2 and the (-) lead to terminal 1, then check that the illumination comes on.

      Standard: 

      Comes on 

      Fig 20: Identifying Front Door Scuff Plate LH Terminals
      G03479092Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  27. FRONT DOOR SCUFF PLATE RH 
    1. Inspect scuff plate illumination.
      1. Connect the (+) lead from the battery to the terminal 2 and the (-) lead to terminal 1, then check that the illumination comes on.

      Standard: 

      Comes on 

      Fig 21: Identifying Front Door Scuff Plate RH Terminals
      G03479093Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  28. REAR DOOR SCUFF PLATE LH 
    1. Inspect scuff plate illumination.
      1. Connect the (+) lead from the battery to the terminal 2 and the (-) lead to terminal 1, then check that the illumination comes on.

      Standard: 

      Comes on 

      Fig 22: Identifying Rear Door Scuff Plate LH Terminals
      G03479094Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  29. REAR DOOR SCUFF PLATE RH 
    1. Inspect scuff plate illumination.
      1. Connect the (+) lead from the battery to the terminal 2 and the (-) lead to terminal 1, then check that the illumination comes on.

      Standard: 

      Comes on 

      Fig 23: Identifying Rear Door Scuff Plate RH Terminals
      G03479095Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  30. STOP LAMP SWITCH ASSY 
    Fig 24: Inspecting Stop Lamp Switch Assy
    G03479096Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Inspect stop lamp switch assy.
      1. Measure the resistance according to the value(s) in STOP LAMP SWITCH ASSY RESISTANCE  .

      Standard: 

      STOP LAMP SWITCH ASSY RESISTANCE

      Tester connection Switch position Specified resistance
      1 - 2 Switch pin free 10 kΩ or higher
      3 - 4 Switch pin free Below 1 Ω
      1 - 2 Switch pin pushed in Below 1 Ω
      3 - 4 Switch pin pushed in 10 kΩ or higher
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