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On-Vehicle Inspection

  1. INSPECT LIGHT CONTROL SWITCH 
    1. Measure the resistance of the switch.

    OK 

    RESISTANCE CONDITION

    Tester Connection Switch Position Specified Condition
    14 - 16 TAIL Continuity
    13 - 14 - 16 HEAD
    12 - 16 AUTO
    13 - 14 - 16 OFF No continuity

    If the result is not as specified, replace the headlight dimmer switch assembly.

  2. INSPECT DAYTIME RUNNING LIGHT RELAY 
    Fig 1: Inspecting Light Control Switch
    G04065036Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 2: Identifying Terminals Daytime Running Light Relay
    G04065037Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Measure the resistance of the relay.

    OK 

    RESISTANCE CONDITION

    Tester Connection Switch Position Specified Condition
    D2-5 - D2-3 Always Continuity
    D2-2 - D2-5 Apply battery positive voltage between terminals D2-1 and D3-3
    D3-1 - D3-2 Apply battery positive voltage between terminals D3-3 and D3-4

    If the result is not as specified, replace the relay.