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
Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
- 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 camshaft timing oil control valve assembly.
- Connect the battery's positive (+) lead to terminal 1 and negative (-) lead to terminal 2, and check the movement of the valve.
OK
Tester Connection Measurement Condition Specified Condition 1 - 2 Battery positive (+) voltage is applied Valve moves in left arrow direction shown 1 - 2 Battery positive (+) voltage is cut off Valve moves in right arrow direction shown If the result is not as specified, replace the camshaft timing 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.
NOTE: Do not allow foreign matter to contact the oil seal face of the camshaft timing oil control valve (connecting surface with cylinder head cover sub-assembly).
- Measure the resistance according to the value(s) in the table below.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
No obligation. See pricing before you book.