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Home >> Toyota >> 2006 >> Matrix Base, FWD, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (1ZZ-FE) - SFI System - Component Tests >> Camshaft Timing Oil Control Valve Assembly >> On-Vehicle Inspection
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On-Vehicle Inspection

  1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY 
    1. Check the operation.
      1. Connect the intelligent tester to the DLC3.
        Fig 1: Connecting Intelligent Tester To DLC3
        G04460439Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Turn the ignition switch to ON.
      3. Turn the intelligent tester ON.
      4. Start the engine and warm it up.
      5. Select the menu items: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST / VVT CTRL B1.
      6. Operate the OCV using the intelligent tester, then check the engine speed.

        Standard 

        TESTER OPERATION - SPECIFIED CONDITIONS

        Tester Operation Specified Condition
        OCV OFF Normal engine speed
        OCV ON Rough idling engine stalls

        If the operation is not as specified, check the camshaft timing oil control valve, wire harness and ECM.

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