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Ignition Switch & Key Unlock Warning System: Inspection

  1. INSPECT IGNITION SWITCH CONTINUITY 
    Fig 1: Inspecting Ignition Switch Continuity
    G02844940Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    IGNITION SWITCH CONTINUITY

    Switch Position Tester Connection Specified Condition
    LOCK - No Continuity
    ACC 2 - 3 Continuity
    ON 2 - 3 - 4 6 - 7 Continuity
    START 1 - 2 - 4 6 - 7 - 8 Continuity

    If continuity is not as specified, replace the switch.

  2. INSPECT KEY UNLOCK WARNING SWITCH CONTINUITY 
    Fig 2: Inspecting Key Unlock Warning Switch Continuity
    G02844941Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    KEY UNLOCK WARNING SWITCH CONTINUITY

    Switch Position Tester Connection Specified Condition
    OFF (Key removed) - No Continuity
    ON (Key set) 1 - 2 Continuity

    If continuity is not as specified, replace the switch.

  3. INSPECT KEY UNLOCK WARNING BUZZER 

    Check that the buzzer sound when driver's door is opened and key inserted.

    Fig 3: Buzzer Operation Diagram
    G02844942Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If operation is not as specified, replace the combination meter. (See COMBINATION METER )