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Home › Toyota › 2007 › Camry Solara SE, 2D Convertible › Repair and Diagnosis › Engine Performance › System › Engine Control System (3MZ-FE) › SFI System › ACIS Control Circuit › Inspection Procedure

Inspection Procedure

  1. PERFORM ACTIVE TEST BY INTELLIGENT TESTER (OPERATE VSV FOR IAC VALVE NO. 2) 
    1. Disconnect the vacuum hose.
    2. Connect the intelligent tester to the DLC3.
    3. Turn the ignition switch ON and push the intelligent tester main switch ON.
    4. Enter the following menus: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST / INTAKE CTL VSV1. Operate the VSV.
    5. Check the VSV operation when it is operated by the intelligent tester.
      Fig 1: Checking VSV
      G05245789Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard 

      TESTER OPERATION SPECIFIED CONDITION

      Tester Operation Specified Condition
      VSV is ON Air from port E flows out through port F
      VSV is OFF Air from port E flows out through the air filter

    OK: Go to step  4

    NG: Go to Next Step 

  2. CHECK VSV FOR IAC VALVE NO. 2 (OPERATION) 
    1. Check that air flows from port E to the air filter.
      Fig 2: Checking That Air Flows From Port E To Air Filter
      G05245790Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Apply battery positive voltage across the terminals.
    3. Check that air flows from port E to port F.
      Fig 3: Checking That Air Flows From Port E To Port F
      G05128709Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE VSV 

    OK: Go to Next Step 

  3. CHECK WIRE HARNESS (VSV FOR IAC VALVE NO. 2 - ECM, EFI RELAY) 
    1. Check the wire harness between the VSV and the ECM.
      Fig 4: Checking Wire Harness Between VSV And ECM
      G05128710Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disconnect the VSV connector.
      2. Disconnect the ECM connector.
      3. Measure the resistance of the wire harness side connectors.

        Standard resistance 

        TESTER CONNECTION SPECIFIED CONDITION

        Tester Connection Specified Condition
        V2-2 - ACIS (E8-33) Below 1 Ω
        V2-2 - ACIS (E8-33) - Body ground 10 kΩ or higher
    2. Check the wire harness between the VSV and EFI relay.
      Fig 5: Checking Wire Harness Between VSV And EFI Relay
      G05128711Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disconnect the VSV connector.
      2. Remove the EFI relay from the engine room J/B.
      3. Measure the resistance of the wire harness side connectors.

        Standard resistance 

        TESTER CONNECTION SPECIFIED CONDITION

        Tester Connection Specified Condition
        V2-1 - J/B EFI relay terminal 3 Below 1 Ω

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to Next Step 

  4. CHECK VACUUM HOSES (INTAKE MANIFOLD - IAC VALVE, INTAKE AIR CONTROL) 

    Check that the vacuum hoses are:

    • Connected correctly.
    • Are not loose or disconnected.
    • Do not have cracks, holes or damage.

    NG: REPAIR OR REPLACE VACUUM HOSES 

    OK: Go to Next Step 

  5. INSPECT INTAKE AIR CONTROL VALVE 

    NG: REPLACE INTAKE AIR CONTROL VALVE 

    OK: REPLACE ECM 

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