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A : Go To Next Step 2. PERFORM ACTIVE TEST USING TECHSTREAM (OPERATE OCV) a. Connect the Techstream to the DLC3. b. Start the engine and turn the Techstream ON. c. Warm up the engine. d. Enter the following menus: Powertrain/Engine and ECT/Active Test/Control the VVT System (Bank 1) or Control the VVT System (Bank 2). e. Check the engine speed while operating the Oil Control Valve (OCV) using the Techstream. OK OIL CONTROL VALVE OPERATION REFERENCE NG : Go to step 4 OK : Go To Next Step 3. CHECK WHETHER DTC OUTPUT RECURS (DTC P0011, P0012, P0021 OR P0022) a. Connect the Techstream to the DLC3. b. Turn the ignition switch to ON and turn the Techstream ON. c. Clear DTCs. (See DTC CHECK/CLEAR ). d. Start the engine and warm it up. e. Switch the ECM from normal mode to check mode using the Techstream. f. Drive the vehicle for more than 10 minutes. g. Read DTCs using the Techstream. OK: No DTC output. NG : Go to step 4 OK : CHECK FOR INTERMITTENT PROBLEMS (See CHECK FOR INTERMITTENT 4. CHECK VALVE TIMING (CHECK FOR LOOSE AND JUMPED TOOTH OF TIMING BELT) a. Remove the drive belt. (See REMOVAL ). b. Remove the timing belt cover LH and RH. (See REMOVAL ). c. Turn the crankshaft to align the matchmarks of the crankshaft. d. Align the notch of the crankshaft pulley with the "0" position. Operation Specified Condition OCV OFF Normal engine speed OCV ON Engine idles roughly or stalls (soon after OCV switched from OFF to ON)
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra
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