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Home >> Toyota >> 2005 >> Camry LE, 3.0 F >> Repair and Diagnosis >> Engine Performance >> Engine Control System (SFI) (1MZ-FE/3MZ-FE) - Diagnostics >> Air Intake Control Circuit >> Inspection Procedure >> Hand-held Tester:

Hand-held Tester:

  1. READ VALUE OF HAND-HELD TESTER (VSV FOR IAC VALVE NO. 3) 
    1. Turn the ignition switch ON and push the hand-held tester main switch ON.
    2. Enter the following menus: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST/ INTAKE CTL VSV1. Operate the VSV.
    3. Check the operation of the VSV when the VSV is operated by the hand-held tester.

      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
      Fig 1: Pushing Hand-Held Tester Main Switch On
      G02633392Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. OK: Go to step   4 

    NG: Go to Next Step. 

  2. CHECK VSV (See  INSPECTION  ) 
    1. NG: REPLACE INTAKE AIR CONTROL VALVE ASSY NO.3 

    OK: Go to Next Step. 

  3. CHECK WIRE HARNESS (VSV FOR IAC VALVE NO. 3 - ECM, VSV FOR IAC VALVE NO. 3 - EFI RELAY) 
    1. Check the wire harness between the VSV and ECM.
      1. Disconnect the V3 VSV connector for AICV.
      2. Disconnect the E10 ECM connector.
      3. Check the resistance of the wire harness side connectors.

        Standard: 

        TESTER CONNECTION SPECIFIED CONDITION

        Tester Connection Specified Condition
        V3-1 -E10-33 (AICV) Below 1 Ω
        V3-1 or E10-33 (AICV) - Body ground 10 kΩ or higher
        Fig 2: Disconnecting V3 VSV Connector For AICV
        G02633393Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Check the wire harness between the VSV and EFI relay.
      1. Disconnect the V3 VSV connector for AICV.
      2. Remove the EFI relay from the engine room J/B.
      3. Check the resistance of the wire harness side connectors.

        Standard: 

        TESTER CONNECTION SPECIFIED CONDITION

        Tester Connection Specified Condition
        VSV for AICV (V3-2) - J/B EFI relay terminal 3 Below 1 Ω
        Fig 3: Checking Wire Harness Between VSV And EFI Relay
        G02633394Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK: Go to Next Step. 

  4. INSPECT VACUUM TANK (See  INSPECTION  ) 
    1. NG: REPAIR OR REPLACE 

    OK: REPLACE ECM (See  ELECTRONIC CIRCUIT INSPECTION PROCEDURE  ) 

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