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.
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HOMESERVICE MANUALSLEXUS2006RX 400H AWD V6-3.3L (3MZ-FE) HYBRIDREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSVARIABLE VALVE TIMING ACTUATORTESTING AND INSPECTIONINSPECTION
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) Hybrid
Inspection
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) HybridSECTION Inspection
INSPECTION
INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY
a. Resistance inspection.
1. Using an ohmmeter, measure the resistance between the terminals.
Resistance: 6.9 to 7.9 Ohms at 20 degrees C (68 degrees F)
If necessary, replace the camshaft oil control valve assembly.
b. Movement inspection.
1. Connect the positive (+) lead from the battery to terminal 1 and negative (-) lead to terminal 2, and check the movement of the valve.
NOTE: Confirm that the valve moves freely and does not stick in any position. If necessary, replace the camshaft oil control valve assembly.
HINT: Accumulation of foreign objects causes subtle pressure leaks. The subtle pressure leaks will cause the cam to advance, and this will cause a DTC to be set.
INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY
a. Resistance inspection.
1. Using an ohmmeter, measure the resistance between the terminals.
Resistance: 6.9 to 7.9 Ohms at 20 degrees C (68 degrees F)
If necessary, replace the camshaft oil control valve assembly.
b. Movement inspection.
1. Connect the positive (+) lead from the battery to terminal 1 and negative (-) lead to terminal 2, and check the movement of the valve.
NOTE: Confirm that the valve moves freely and does not stick in any position. If necessary, replace the camshaft oil control valve assembly.
HINT: Accumulation of foreign objects causes subtle pressure leaks. The subtle pressure leaks will cause the cam to advance, and this will cause a DTC to be set.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.