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 MANUALSTOYOTA2006SEQUOIA 4WD V8-4.7L (2UZ-FE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSVARIABLE VALVE TIMING ACTUATOR POSITION SENSORTESTING AND INSPECTION
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)
Variable Valve Timing Actuator Position Sensor: Testing and Inspection
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)SECTION Testing and Inspection
ON-VEHICLE INSPECTION
NOTE: Cold and Hot in these sentences express the temperature of the sensors themselves. Cold is from - 10 degree C (14 degree F) to 50 degree C (122 degree F) and Hot is from 50 degree C (122 degree F) to 100 degree C (212 degree F).
1. REMOVE THROTTLE BODY COVER SUB-ASSEMBLY
2. REMOVE INTAKE MANIFOLD
3. INSPECT VVT SENSOR
a. Disconnect the VVT sensor connector.
b. Using an ohmmeter, measure the resistance between the terminals.
Resistance:
Cold: 835 to 1,400 ohms
Hot: 1,060 to 1,645 ohms
If the resistance is not as specified, replace the sensor.
c. Reconnect the VVT sensor connector.
d. Connect the VVT sensor connector.
4. INSTALL INTAKE MANIFOLD
5. INSTALL THROTTLE BODY COVER SUB-ASSEMBLY
NOTE: Cold and Hot in these sentences express the temperature of the sensors themselves. Cold is from - 10 degree C (14 degree F) to 50 degree C (122 degree F) and Hot is from 50 degree C (122 degree F) to 100 degree C (212 degree F).
1. REMOVE THROTTLE BODY COVER SUB-ASSEMBLY
2. REMOVE INTAKE MANIFOLD
3. INSPECT VVT SENSOR
a. Disconnect the VVT sensor connector.
b. Using an ohmmeter, measure the resistance between the terminals.
Resistance:
Cold: 835 to 1,400 ohms
Hot: 1,060 to 1,645 ohms
If the resistance is not as specified, replace the sensor.
c. Reconnect the VVT sensor connector.
d. Connect the VVT sensor connector.
4. INSTALL INTAKE MANIFOLD
5. INSTALL THROTTLE BODY COVER SUB-ASSEMBLY
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.