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Home >> Toyota >> 2004 >> Tacoma PreRunner, 2D Pickup >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Ignition Switch & Key Unlock Warning System >> Inspection

Ignition Switch & Key Unlock Warning System: Inspection

  1. INSPECT IGNITION SWITCH CONTINUITY 
    Fig 1: Identifying Ignition Switch Position & Connector Terminals
    G03079721Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    IGNITION SWITCH TERMINALS 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: Identifying Key Unlock Warning Switch Terminals (M/T & A/T)
    G03079722Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    KEY UNLOCK WARNING SWITCH TERMINALS CONTINUITY

    Condition Tester connection Specified condition
    Switch OFF (Key removed) - No continuity
    Switch ON (Key set) 1 - 2 Continuity

    If continuity is not as specified, replace the switch