FixVault

Ignition Switch And Key Unlock Warning Switch: Inspection

  1. INSPECT IGNITION SWITCH CONTINUITY 
    Fig 1: Identifying Ignition Switch Terminals
    G02632228Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TESTER CONNECTION AND SPECIFIED CONDITION

    Switch position Tester connection Specified condition
    LOCK - No continuity
    ACC 1-3 Continuity
    ON 1-2-3 5-6 Continuity
    START 1-2 4-5-6 Continuity

    If the continuity is not as specified, replace the switch.

  2. INSPECT KEY UNLOCK WARNING SWITCH CONTINUITY 
    TESTER CONNECTION AND SPECIFIED CONDITION

    Switch position Tester connection Specifiedcondition
    OFF (Key removed) - No continuity
    ON (Key set) 1-2 Continuity

    If the continuity is not as specified, replace the switch.

    Fig 2: Identifying Key Unlock Warning Switch Terminals
    G02632229Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSPECT IGNITION RELAY (Marking: IG1) CONTINUITY 
    TESTER CONNECTION AND SPECIFIED CONDITION

    Condition Tester connection Specifiedcondition
    Constant 1-2 Continuity
    Apply B+ between terminals 1 and 2 3-5 Continuity

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

    Fig 3: Identifying Ignition Relay Circuit (Marking: IG1)
    G02632230Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSPECT ACCESSORY RELAY (Marking: ACC) CONTINUITY 
    TESTER CONNECTION AND SPECIFIED CONDITION

    Condition Tester connection Specified condition
    Constant 1-2 Continuity
    Apply B+ between terminals 1 and 2. 3-5 Continuity

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

    Fig 4: Identifying Accessory Relay Circuit (Marking: ACC)
    G02632231Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. INSPECT KEY UNLOCK WARNING BUZZER 

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

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

    Fig 5: Identifying Key Unlock Warning Buzzer Graph
    G02632232Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002