Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Camshaft Oil Control Valve: Inspection: Inspection
- INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLYΒ
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition 1 - 2 20Β°C (68Β°F) 6.9 to 7.9 Ξ© If the result is not as specified, replace the oil control valve assembly.
- Connect the positive (+) lead of the battery to terminal 1 and the negative (-) lead to terminal 2, and check the movement of the valve.
Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
OK
Tester Connection Condition Specified Condition 1 - 2 Battery positive (+) voltage is applied Valve moves in direction of left arrow shown in the illustration Battery positive (+) voltage is cut off Valve moves in direction of right arrow shown in the illustration If the result is not as specified, replace the oil control valve assembly.
If the valve cannot return properly because of foreign matter, a small pressure leak in the advanced direction may occur and a DTC may be output.
- Measure the resistance according to the value(s) in the table below.
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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