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 DIAGNOSISBODY AND FRAMESEATSTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSNON-TROUBLE CODE PROCEDURESDOOR COURTESY SWITCH CIRCUIT
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)
Door Courtesy Switch Circuit
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)SECTION Door Courtesy Switch Circuit
Door Courtesy Switch Circuit
DESCRIPTION
The position control ECU and switch assembly detects the open/close condition of the driver's door, via multiplex communication, through the front door courtesy light switch.
INSPECTION PROCEDURE
DESCRIPTION
The position control ECU and switch assembly detects the open/close condition of the driver's door, via multiplex communication, through the front door courtesy light switch.
Wiring Diagram:
Step 1:
Step 2-3:
INSPECTION PROCEDURE
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.