Lexus IS250 · Service Manual ENGINE

ON-VEHICLE INSPECTION

Inspection


INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY

C110200E06

  1. Connect the intelligent tester to the DLC3.

    1. Turn the engine switch on (IG).

    2. Turn the intelligent tester main switch ON.

  1. Start and warm up the engine.

  1. Idle the engine.

  1. Select the following menus: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST / VVT CTRS or VVT CTRS B2 or VVT B1 or VVT B2 or VVT EX B1 or VVT EX B2.

    Specified condition:
    Tester Operation
    		 Specified Condition
    OCV OFF
    		 Normal engine speed
    OCV ON
    		 Engine idles roughly or stalls soon after OCV switched from OFF to ON

    If the result is not as specified, check the oil control valve and wirings.

    HINT:
    1. VVT CTRS: Command to activate exhaust and intake side oil control valves of bank 1.
    2. VVT CTRS B1: Command to activate exhaust and intake side oil control valves of bank 2.
    3. VVT B1: Command to activate intake side oil control valve of bank 1.
    4. VVT B2: Command to activate intake side oil control valve of bank 2.
    5. VVT EX B1: Command to activate exhaust side oil control valve of bank 1.
    6. VVT EX B2: Command to activate exhaust side oil control valve of bank 2.

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