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 MANUALSTOYOTA2009SEQUOIA 4WD V8-4.7L (2UZ-FE)REPAIR AND DIAGNOSISSPECIFICATIONSELECTRICAL SPECIFICATIONSCOMPUTERS AND CONTROL SYSTEMS
2009 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)
Computers and Control Systems
2009 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)SECTION Computers and Control Systems
SPECIFICATIONS: 2UZ-FE ENGINE CONTROL: SERVICE DATA
SERVICE DATA
MAF Meter:
Camshaft Timing Oil Control Valve:
VVT Sensor:
Crankshaft Position Sensor:
Engine Coolant Temperature Sensor:
Throttle Body:
Knock Sensor:
Integration Relay (IG2):
Integration Relay (EFI):
Fuel Pump Relay:
Integration Relay (A/F):
Circuit Opening Relay:
Air Fuel Ration Sensor (for Bank 1 Sensor 1):
Air Fuel Ration Sensor (for Bank 2 Sensor 1):
Heated Oxygen Sensor (for Bank 1 Sensor 2):
Heated Oxygen Sensor (for Bank 2 Sensor 2):
Accelerator Pedal Sensor:
Power Steering Oil Pressure Sensor:
Spark Plug
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.