FixVault

Inspection Procedure

  1. CHECK IGNITION OR STARTER SWITCH ASSY 
    Fig 1: Identifying Ignition Or Starter Switch Assy Connector
    G02677920Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Measure the resistance of the ignition switch.
      TESTER CONNECTION SPECIFIED CONDITION CHART (1 OF 3)

      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
      1. NG: REPAIR OR REPLACE IGNITION OR STARTER SWITCH ASSY 

      OK: Go to next step 

  2. CHECK FUSE (ECU-IG) 
    1. Remove the fuse from the instrument panel J/B.
      Fig 2: Removing Fuse From Instrument Panel J/B
      G02677921Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance of the fuse.

      Standard: Below 1 Ω 

    1. NG: REPLACE FUSE 

    OK: Go to next step 

  3. CHECK RELAY (Marking: IG1) 
    1. Remove the IG relay from the instrument J/B.
      Fig 3: Removing IG Relay From Instrument J/B
      G02677922Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance of the relay.
      TESTER CONNECTION SPECIFIED CONDITION CHART (2 OF 3)

      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)
      1. NG: REPLACE RELAY 

    OK: Go to next step 

  4. CHECK WIRE HARNESS (TVIP ECU - BODY GROUND) 
    1. Disconnect the T3 TVIP ECU connector.
      Fig 4: Disconnecting T3 TVIP ECU Connector
      G02677923Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Turn the ignition switch ON.
    3. Measure the voltage of the wire harness side connector.
      TESTER CONNECTION SPECIFIED CONDITION CHART (3 OF 3)

      Tester Connection Specified Condition
      IG(T3-10)- Body ground 10 to 14V
    1. NG: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR 

    OK: Go to next step 

    CHECK AND REPLACE TVIP ECU (See  ELECTRONIC CIRCUIT INSPECTION PROCEDURE  )