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Lighting System: Inspection

  1. HEADLAMP DIMMER SWITCH ASSY 
    1. Inspect the light control switch continuity.
      1. Measure the resistance according to the value(s) in LIGHT CONTROL SWITCH RESISTANCE SPECIFICATIONS .

      Standard: 

      LIGHT CONTROL SWITCH RESISTANCE SPECIFICATIONS

      Switch operation Tester connection Specified condition
      OFF 10 - 11 - 12 - 13 10 kΩ or higher
      TAIL 10 - 13 Below 1 Ω
      HEAD 10 - 13 Below 1 Ω
      HEAD 11 - 12 Below 1 Ω

      Replace the switch as necessary.

    2. Inspect the headlight dimmer switch continuity.
      1. Measure the resistance according to the value(s) in HEADLIGHT DIMMER SWITCH RESISTANCE SPECIFICATIONS .

      Standard: 

      HEADLIGHT DIMMER SWITCH RESISTANCE SPECIFICATION

      Switch operation Tester connection Specified condition
      FLASH 9 - 11 Below 1 Ω
      LOW BEAM 8 - 10 Below 1 Ω
      HI BEAM 9 - 11 Below 1 Ω

      HINT:

      Turn the headlamp dimmer switch to the HEAD position when checking "LOW BEAM" and "HI BEAM".

      Replace the switch as necessary.

      Fig 1: Identifying Headlight Dimmer Switch Operation And Connector
      G03097736Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Inspect the turn signal switch continuity.
      1. Measure the resistance according to the value(s) in TURN SIGNAL SWITCH RESISTANCE SPECIFICATIONS .

      Standard: 

      TURN SIGNAL SWITCH RESISTANCE SPECIFICATIONS

      Switch operation Tester connection Specified condition
      Right turn 6 - 7 Below 1 Ω
      Neutral 5 - 6 - 7 10 kΩ or higher
      Left turn 5 - 6 Below 1 Ω

      Replace the switch as necessary.

      Fig 2: Identifying Turn Signal Switch Operation And Connector
      G03097737Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. BACK UP LAMP SWITCH ASSY (M/T TRANSAXLE) 
    1. Inspect the back up lamp switch assy continuity.
      1. Measure the resistance according to the value(s) in BACK UP LAMP SWITCH RESISTANCE SPECIFICATIONS .

      Standard: 

      BACK UP LAMP SWITCH RESISTANCE SPECIFICATIONS

      Switch operation Tester connection Specified condition
      ON 1 - 2 Below 1 Ω
      OFF 1 - 2 10 kΩ or higher

    Replace the switch as necessary.

    Fig 3: Checking Back Up Lamp Switch Assembly Continuity
    G03097738Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. PARK/NEUTRAL POSITION SWITCH ASSY (A/T TRANSAXLE) 
    1. Inspect the park/neutral position switch assy continuity.
      1. Measure the resistance according to the value(s) in PARK/NEUTRAL POSITION SWITCH RESISTANCE SPECIFICATIONS .

      Standard: 

      PARK/NEUTRAL POSITION SWITCH RESISTANCE SPECIFICATIONS

      Lever operation Tester connection Specified condition
      P position 1 - 3 Below 1 Ω
      R position 2 - 3 Below 1 Ω
      N position 3 - 5 Below 1 Ω
      D position 3 - 7 Below 1 Ω
      2 position 3 - 4 Below 1 Ω
      L position 3 - 8 Below 1 Ω

      Replace the switch as necessary.

      Fig 4: Measuring Resistance Of Park/Neutral Position Switch Assembly (A/T Transaxle)
      G03097739Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. STOP LAMP SWITCH ASSY 
    1. Inspect the stop lamp switch assy continuity.
      1. Measure the resistance according to the value(s) in STOP LAMP SWITCH RESISTANCE SPECIFICATIONS .

      Standard: 

      STOP LAMP SWITCH RESISTANCE SPECIFICATIONS

      Switch operation Tester connection Specified condition
      Switch pin pushed in (Pedal released) 1 - 2 10 kΩ or higher
      Switch pin free (Pedal depressed) 1 - 2 Below 1 Ω

      Replace the switch as necessary.

      Fig 5: Measuring Resistance Of Stop Lamp Switch Assy
      G03097740Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. CENTER CLUSTER MODULE SWITCH 
    1. Inspect the hazard warning signal switch continuity.
      1. Measure the resistance according to the value(s) in CENTER CLUSTER MODULE SWITCH RESISTANCE SPECIFICATIONS .

      Standard: 

      CENTER CLUSTER MODULE SWITCH RESISTANCE SPECIFICATIONS

      Switch operation Tester connection Specified condition
      ON 1 - 2 Below 1 Ω
      OFF 1 - 2 10 kΩ or higher

      Replace the switch as necessary.

      If the value is not as specified, replace the integration control & panel assy.

      Fig 6: Measuring Resistance Of Center Cluster Module Switch
      G03097741Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. FRONT DOOR COURTESY LAMP SWITCH ASSY 
    1. Inspect the front door courtesy lamp switch assy continuity.
      1. Measure the resistance according to the value(s) in FRONT DOOR COURTESY LAMP SWITCH RESISTANCE SPECIFICATIONS .

      Standard: 

      FRONT DOOR COURTESY LAMP SWITCH RESISTANCE SPECIFICATIONS

      Switch operation Tester connection Specified condition
      ON 1 - Body ground Below 1 Ω
      OFF 1 - Body ground 10 kΩ or higher

      Replace the switch as necessary.

      Fig 7: Inspecting Front Door Courtesy Lamp Switch Assy Continuity
      G03097742Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REAR DOOR COURTESY LAMP SWITCH ASSY 
    1. Inspect the rear door courtesy lamp switch assy continuity.
      1. Check the rear door courtesy lamp switch assy using the same procedures as for the front door courtesy lamp switch assy.

      Standard: 

      Same as front. 

      Replace the switch as necessary.

  8. BACK DOOR COURTESY LAMP SWITCH ASSY 
    1. Inspect the back door courtesy lamp switch assy continuity.
      1. Measure the resistance according to the value(s) in BACK DOOR COURTESY LAMP SWITCH RESISTANCE SPECIFICATIONS .

      Standard: 

      BACK DOOR COURTESY LAMP SWITCH RESISTANCE SPECIFICATIONS

      Switch operation Tester connection Specified condition
      ON (UNLOCK) 1 - 2 Below 1 Ω
      OFF (LOCK) 1 - 2 10 kΩ or higher

      Replace the switch as necessary.

      Fig 8: Measuring Resistance Of Back Door Courtesy Lamp Switch Assembly
      G03097743Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. ROOM LAMP ASSY NO. 1 
    1. Inspect the room lamp assy No. 1 continuity.
    2. Measure the resistance according to the value(s) in ROOM LAMP ASSY NO. 1 RESISTANCE SPECIFICATIONS .

      Standard: 

      ROOM LAMP ASSY NO. 1 RESISTANCE SPECIFICATIONS

      Switch operation Tester connection Specified condition
      ON 1 - 2 Below 1 Ω
      DOOR 1 - 2 Below 1 Ω
      OFF 1 - 2 10 kΩ or higher

      Replace the lamp as necessary.

      Fig 9: Measuring Resistance Of Room Lamp Assembly No. 1
      G03097744Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. HEADLAMP RELAY 
    1. Inspect the head lamp relay continuity.
      1. Measure the resistance according to the value(s) in HEADLAMP RELAY RESISTANCE SPECIFICATIONS .

      Standard: 

      HEADLAMP RELAY RESISTANCE SPECIFICATIONS

      Tester Connection Specified Condition
      3 - 5 10 kΩ or higher
      3 - 5 Below 1 Ω (When battery voltage is applied to terminals 1 and 2)

      Replace the relay as necessary.

      Fig 10: Measuring Resistance Of Head Lamp Relay Connector Terminals
      G03097745Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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