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Lighting System: Inspection

  1. HEADLAMP DIMMER SWITCH ASSY 
    1. Inspect light control switch continuity.
      1. Measure the resistance according to the value(s) in the table below.
      RESISTANCE CONDITION (1 OF 19)

      Tester connection Switch operation Specified resistance
      10-11 OFF 10 kΩ or higher
      11-12
      10-13
      10-13 TAIL Below 1 Ω
      10-13 HEAD Below 1 Ω
      11-12
      Fig 1: Identifying Connector Terminal Headlamp Dimmer Switch Assy
      G02635484Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Inspect headlight dimmer switch continuity.
      1. Measure the resistance according to the value(s) in the table below.
      RESISTANCE CONDITION (2 OF 19)

      Tester connection Switch operation Specified resistance
      8-11 FLASH Below 1 Ω
      9-11
      8-11 LOW BEAM Below 1 Ω
      9-11 HI BEAM Below 1 Ω

      HINT:

      Turn light control switch to the HEAD position when checking "LOW BEAM" and "HI BEAM".

    3. Inspect turn signal switch continuity.
      1. Measure the resistance according to the value(s) in the table below.
      RESISTANCE CONDITION (3 OF 19)

      Tester connection Switch operation Specified resistance
      6-7 Right turn Below 1 Ω
      5-6 Neutral 10 kΩ or higher
      6-7
      5-6 Left turn Below 1 Ω
    4. W/Fog light:

      Inspect front fog light switch continuity.

      1. Measure the resistance according to the value(s) in the table below.
      RESISTANCE CONDITION (4 OF 19)

      Tester connection Switch operation Specified resistance
      2-4 OFF 10 kΩ or higher
      2-4 ON Below 1 Ω
  2. BACK UP LAMP SWITCH ASSY 
    1. Measure the resistance according to the value(s) in the table below.
    RESISTANCE CONDITION (5 OF 19)

    Switch operation Specified resistance
    Ball is not pressed 10 kΩ or higher
    Ball is pressed Below 1 Ω
  3. STOP LAMP SWITCH ASSY (W/O CRUISE CONTROL) 
    1. Measure the resistance according to the value(s) in the table below.
    RESISTANCE CONDITION (6 OF 19)

    Switch operation Specified resistance
    Switch pin free 10 kΩ or higher
    Switch pin pushed in Below 1 Ω
  4. STOP LAMP SWITCH ASSY (W/CRUISE CONTROL) 
    1. Measure the resistance according to the value(s) in the table below.
    RESISTANCE CONDITION (7 OF 19)

    Tester connection Switch operation 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
    Fig 2: Identifying Connector Terminal Stop Lamp Switch Assy
    G02635485Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. HAZARD WARNING SIGNAL SWITCH ASSY 
    1. Measure the resistance according to the value(s) in the table below.
      RESISTANCE CONDITION (8 OF 19)

      Tester connection Switch operation Specified resistance
      1-4 ON Below 1 Ω
      1-4 OFF 10 kΩ or higher
    2. Inspect illumination operation.
      1. Connect the positive (+) lead from the battery to terminal 8 and the negative (-) lead to terminal 9, then check that the illumination comes on.
    Fig 3: Identifying Connector Terminal Hazard Warning Signal Switch Assy
    G02635486Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. FRONT DOOR COURTESY LAMP SWITCH ASSY 
    1. Measure the resistance according to the value(s) in the table below.
    RESISTANCE CONDITION (9 OF 19)

    Switch operation Specified resistance
    Shaft is pressed 10 kΩ or higher
    Shaft is not pressed Below 1 Ω
  7. REAR DOOR COURTESY LAMP SWITCH ASSY 
    1. Measure the resistance according to the value(s) in the table below.
    RESISTANCE CONDITION (10 OF 19)

    Switch operation Specified resistance
    Shaft is pressed 10 kΩ or higher
    Shaft is not pressed Below 1 Ω
  8. BACK DOOR LOCK ASSY 
    1. Inspect the back door courtesy lamp switch.
      1. Measure the resistance according to the value(s) in the table below.
      RESISTANCE CONDITION (11 OF 19)

      Tester connection Switch operation Specified resistance
      1-2 Back door is closed 10 kΩ or higher
      1-2 Back door is open Below 1 Ω
      Fig 4: Identifying Connector Terminal Back Door Lock Assy
      G02635487Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. W/MOTOR BACK DOOR LOCK ASSY 
    1. Inspect the back door courtesy lamp switch.
      1. Measure the resistance according to the value(s) in the table below.
      RESISTANCE CONDITION (12 OF 19)

      Tester connection Switch operation Specified resistance
      1-2 Back door is closed 10 kΩ or higher
      1-2 Back door is open Below 1 Ω
      Fig 5: Identifying Connector Terminal W/Motor Back Door Lock Assy
      G02635488Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. BACK WINDOW LOCK ASSY 
    1. Inspect the glass hatch courtesy switch.
      1. Measure the resistance according to the value(s) in the table below.
      RESISTANCE CONDITION (13 OF 19)

      Tester connection Switch operation Specified resistance
      1-2 Back window is closed 10 kΩ or higher
      1-2 Back window is open Below 1 Ω
      Fig 6: Identifying Connector Terminal Back Window Lock Assy
      G02635489Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. MAP LAMP ASSY 
    1. Inspect the map lamp assy.
      1. Measure the resistance according to the value(s) in the table below.
        RESISTANCE CONDITION (14 OF 19)

        Tester connection Switch operation Specified resistance
        1-3 OFF 10 kΩ or higher
      2. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 3, then check that the illumination comes on when switch operation is ON position.
      Fig 7: Identifying Connector Terminal MAP Lamp Assy
      G02635490Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. MAP LAMP ASSY (ELECTRO CHROMIC MIRROR INNER MIRROR) 
    1. Measure the resistance according to the value(s) in the table below.
      RESISTANCE CONDITION (15 OF 19)

      Tester connection Switch operation Specified resistance
      1-6 OFF 10 kΩ or higher
    2. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 6, then check that the illumination comes on when switch operation is ON position.
      Fig 8: Identifying Connector Terminal MAP Lamp Assy (Electro Chronic Mirror Inner Mirror)
      G02635491Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. ROOM LAMP ASSY NO.1 
    1. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, then check that the illumination comes on.
      Fig 9: Identifying Connector Terminal Room Lamp Assy No 1
      G02635492Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. ROOM LAMP ASSY NO.2 
    1. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, then check that the illumination comes on.
      Fig 10: Identifying Connector Terminal Room Lamp Assy No.2
      G02635493Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. HEADLAMP RELAY 
    1. Measure the resistance according to the value(s) in the table below.
      RESISTANCE CONDITION (16 OF 19)

      Tester connection Condition Specified resistance
      3-5 Always 10 kΩ or higher
      3-5 Apply B+ between terminals 1 and 2 Below 1 Ω
      Fig 11: Identifying Connector Terminal Headlamp Relay
      G02635494Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. FOG LAMP RELAY 
    1. Measure the resistance according to the value(s) in the table below.
      RESISTANCE CONDITION (17 OF 19)

      Tester connection Condition Specified resistance
      3-5 Always 10 kΩ or higher
      3-5 Apply B+ between terminals 1 and 2 Below 1 Ω
      Fig 12: Identifying Connector Terminal Fog Lamp Relay
      G02635495Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. TAIL LAMP RELAY 
    1. Measure the resistance according to the value(s) in the table below.
      RESISTANCE CONDITION (18 OF 19)

      Tester connection Condition Specified resistance
      3-5 Always 10 kΩ or higher
      3-5 Apply B+ between terminals 1 and 2 Below 1 Ω
      Fig 13: Identifying Connector Terminal Tail Lamp Relay
      G02635496Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. HEADLAMP DIMMER RELAY 
    1. Measure the resistance according to the value(s) in the table below.
      RESISTANCE CONDITION (19 OF 19)

      Tester connection Condition Specified resistance
      3-5 Always 10 kΩ or higher
      3-5 Apply B+ between terminals 1 and 2 Below 1 Ω
      Fig 14: Identifying Connector Terminal Headlamp Dimmer Relay
      G02635497Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. LIGHT CONTROL RHEOSTAT 
    1. Connect the connector to the rheostat and inspect the wire harness side connector from the back side as shown in the table below.
      VOLTAGE CONDITION

      Tester connection Switch operation Specified condition
      7-8 OFF 10 to 14 V
      7-8 ON Below 1 V
      1-8 ON (When any door is open) 10 to 14 V
      1-8 Except OFF and ON (When any door is open) Below 1 V
      2-7 Maximum position 10 to 14 V
      2-7 Minimum position Below 1 V
    2. Inspect illumination operation.
      1. Connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 7, then check that the illumination comes on.
      Fig 15: Identifying Connector Terminal Light Control Rheostat
      G02635498Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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