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 FRAMELOCKSKEYLESS ENTRYTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSWIRELESS DOOR LOCK CONTROL SYSTEMON-VEHICLE INSPECTION
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)
On-Vehicle Inspection
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)SECTION On-Vehicle Inspection
ON-VEHICLE INSPECTION
1. INSPECT WIRELESS DOOR LOCK CONTROL RECEIVER CIRCUIT
a. Disconnect the connector from the receiver and inspect the connector on the wire harness side, as shown.
If the circuit is not as specified, inspect the circuits connected to other parts.
2. INSPECT WIRELESS DOOR LOCK CONTROL RECEIVER CIRCUIT
a. Connect the wire harness side connector to the receiver and inspect the wire harness side connector from the back side, as shown.
If circuit is as specified, replace the receiver.
If the circuit is not as specified, inspect the circuits connected to other parts.
1. INSPECT WIRELESS DOOR LOCK CONTROL RECEIVER CIRCUIT
a. Disconnect the connector from the receiver and inspect the connector on the wire harness side, as shown.
If the circuit is not as specified, inspect the circuits connected to other parts.
2. INSPECT WIRELESS DOOR LOCK CONTROL RECEIVER CIRCUIT
a. Connect the wire harness side connector to the receiver and inspect the wire harness side connector from the back side, as shown.
If circuit is as specified, replace the receiver.
If the circuit is not as specified, inspect the circuits connected to other parts.
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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.