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Ignition Switch And Key Unlock Warning Switch: Inspection

  1. Inspect Ignition Switch Continuity 
    Fig 1: Identifying Ignition Switch Terminals
    G01179210Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 2: Identifying Ignition Switch Continuity Specifications
    G01179209Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If continuity is not as specified, replace the switch.

  2. Inspect Ignition Switch Circuit 

    Connect the switch connector and inspect the connector on wire harness side from the back side, as shown.

    Fig 3: Identifying Ignition Switch & Ignition Switch Terminals
    G01179211Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 4: Identifying Ignition Switch Circuit Specifications
    G01179212Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If circuit is not as specified, inspect the circuits connected to other parts.

  3. Inspect Key Unlock Warning Switch Continuity 
    Fig 5: Identifying Key Unlock Warning Switch Pin & Terminals
    G01179214Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 6: Identifying Key Unlock Warning Switch Continuity Specifications
    G01179213Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If continuity is not as specified, replace the switch.

  4. Inspect Key Unlock Warning Switch Circuit (See  KEY UNLOCK WARNING SWITCH  ) 

    Connect the switch connector and inspect the connector on wire harness side from the back side, as shown.

    Fig 7: Identifying Key Unlock Warning Switch Terminals
    G01179215Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 8: Identifying Key Unlock Warning Circuit Specification
    G01179216Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If circuit is not as specified, inspect the circuits connected to other parts.