FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Home >> Lexus >> 2000 >> SC 300 L6-3.0L (2JZ-GE) >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Actuators and Solenoids - Engine >> Variable Valve Timing Actuator >> Testing and Inspection >> On-Vehicle Inspection

On-Vehicle Inspection

1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE RESISTANCE
a. Disconnect the oil control valve connector.




b. Using an ohmmeter, measure the resistance between the terminals-

Resistance: 5.5 - 12 Ohms at 20 °C (68 °F)

If the resistance is not as specified, replace the valve.

c. Reconnect the oil control valve connector.

2. INSPECT VVT-I OPERATION
a. Allow the engine to warm up to normal operating temperature.
b. Check that the engine stalls or becomes in rough-idling state when the battery positive voltage is applied to the oil control valve with the engine idling.
If operation is not as specified, check the oil control valve, VVT-I pulley, intake camshaft, wiring and ECM.
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