Celica GT-S L4-1.8L (2ZZ-GE) (2000)
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Variable Valve Timing Actuator: Testing and Inspection
CAMSHAFT TIMING OIL CONTROL VALVE
ON-VEHICLE INSPECTION
INSPECT OIL CONTROL VALVE RESISTANCE
a. Remove the No.2 cylinder head cover.
b. Disconnect the oil control valve connector.
c. Using an ohmmeter1 measure the resistance between the terminals.
Resistance: 6.9 - 7.9 ohms at 20 °C (68 °F)
If the resistance is not as specified, replace the valve.
d. Reconnect the oil control valve connector.
e. Reinstall the V-bank cover.
INSPECTION
INSPECT CAMSHAFT OIL CONTROL VALVE OPERATION
Connect the positive (+) lead from the battery to terminal 1 and negative (-) lead to terminal 2, and check the movement of the valve.
If operation is not as specified, replace the valve.
