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Inspection Procedure

  1. CHECK IGNITION OR STARTER SWITCH ASSEMBLY 
    1. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Switch Condition Specified Condition
      - LOCK -
      1 - 3 ACC Below 1 Ω
      1 - 2 - 3 ON Below 1 Ω
      5 - 6 ON Below 1 Ω
      1 - 2 START Below 1 Ω
      4 - 5 - 6 START Below 1 Ω
      Fig 1: Identifying Ignition Or Starter Switch Connectors
      G05195816Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE IGNITION OR STARTER SWITCH ASSEMBLY 

    OK : Go to Next Step 

  2. INSPECT FUSE (ECU-IG) 
    1. Remove the fuse from the instrument panel J/B.
    2. Measure the resistance of the fuse.

      Standard resistance: 

      Below 1 Ω 

    NG: REPLACE FUSE 

    Fig 2: Identifying ECU-IG Fuse
    G05195817Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK : Go to Next Step 

  3. INSPECT RELAY (IG1) 
    1. Remove the IG relay from the instrument J/B.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Specified Condition
      3 - 5 10 kΩ or higher
      3 - 5 Below 1 Ω (when battery voltage is applied to terminals 1 and 2)

    NG: REPLACE RELAY 

    Fig 3: Identifying Relay
    G04978973Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK : Go to Next Step 

  4. CHECK HARNESS AND CONNECTOR (TVIP ECU - BODY GROUND) 
    1. Disconnect the T3 TVIP ECU connector.
    2. Turn the ignition switch ON.
    3. Measure the voltage according to the value(s) in the table below.

      Standard voltage 

      VOLTAGE SPECIFICATION

      Tester Connection Specified Condition
      IG (T3-10) - Body ground 10 to 14 V

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 4: Identifying T3 TVIP ECU Connector
    G05195819Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK : REPLACE TVIP ECU