ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (a) Connect the Techstream to the DLC3. (b) Start the engine and turn the tester ON. (c) Warm up the engine. (d) Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the VVT Linear (Bank 1) or Control the VVT Linear (Bank 2) or Control the VVT System (Bank 1) or Control the VVT System (Bank 2) or Control the VVT Exhaust Linear (Bank 1) or Control the VVT Exhaust Linear (Bank 2). (e) Check the engine speed while operating the Oil Control Valve (OCV) using the tester. OK:
If the result is not as specified, check the oil control valve, wiring and camshaft timing gear. HINT:
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Toyota Tundra Service Manual > Sfi System: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas ...