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Section 939 (Lighting System): Inspection

WARNING: This page is about a different car, the 2004 Scion xB. However, it is still accessible from the selected car via links, so may be relevant.
  1. HEADLAMP DIMMER SWITCH ASSY 
    1. Inspect the light control switch continuity.
      1. Measure the resistance according to the value(s) in the table below.

        Standard: 

        HEADLIGHT DIMMER SWITCH STANDARD

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

        Replace the switch as necessary.

    2. Inspect the headlight dimmer switch continuity.
      1. Measure the resistance according to the value(s) in the table below.

        Standard: 

        HEAD LIGHT DIMMER SWITCH STANDARD

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

        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 Headlamp Dimmer Switch
        G03382971Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Inspect the turn signal switch continuity.
      1. Measure the resistance according to the value(s) in the table below.

        Standard: 

        TURN SIGNAL STANDARD

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

        Replace the switch as necessary.

        Fig 2: Inspecting Turn Signal Switch Continuity
        G03382972Courtesy 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 the table below.

        Standard: 

        BACK UP STANDARD

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

        Replace the switch as necessary.

        Fig 3: Identifying Back Up Lamp Switch Assy
        G03382973Courtesy 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 the table below.

        Standard: 

        PARK NEUTRAL POSITION STANDARD

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

        Replace the switch as necessary.

        Fig 4: Identifying Park Neutral Position
        G03382974Courtesy 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 the table below.

        Standard: 

        STOP LAMP SWITCH STANDARD

        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 1Ω

        Replace the switch as necessary.

        Fig 5: Identifying Stop Lamp Switch Assy
        G03382975Courtesy 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 the table below.

        Standard: 

        CENTER CLUSTER MODULE SWITCH STANDARD

        Switch operation Tester connection Specified condition
        ON 1 - 2 Below 1Ω
        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: Identifying Central Cluster Module Switch
        G03382976Courtesy 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 the table below.

        Standard: 

        FRONT DOOR COURTESY LAMP SWITCH ASSY STANDARD

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

        Replace the switch as necessary.

        Fig 7: Identifying Front Door Courtesy Lamp Switch Assy
        G03382977Courtesy 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 the table below.

        Standard: 

        BACK DOOR COURTESY LAMP SWITCH ASSY STANDARD

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

        Replace the switch as necessary.

        Fig 8: Identifying Back Door Courtesy Lamp
        G03382978Courtesy 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 the table below.

      Standard: 

      ROOM LAMP ASSY NO.1 STANDARD

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

      Replace the lamp as necessary.

      Fig 9: Identifying Room Lamp Assy
      G03382979Courtesy 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 the table below.

        Standard: 

        HEADLAMP RELAY STANDARD

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

        Replace the relay as necessary.

        Fig 10: Identifying Headlamp Relay
        G03382980Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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