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 DIAGNOSISWINDOWS AND GLASSWINDOWSTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSBACK DOOR POWER WINDOW MOTOR CIRCUIT
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)
Back Door Power Window Motor Circuit
2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)SECTION Back Door Power Window Motor Circuit
Back Door Power Window Motor Circuit
DESCRIPTION
The back door power window goes down when voltage is applied to the BDDN terminal of the back door ECU, and the window goes up when voltage is applied to the BDUP terminal.
INSPECTION PROCEDURE
HINT: When using the intelligent tester, start the inspection from step 1 and when not using the intelligent tester, start from step 2.
DESCRIPTION
The back door power window goes down when voltage is applied to the BDDN terminal of the back door ECU, and the window goes up when voltage is applied to the BDUP terminal.
Wiring Diagram:
Step 1-2:
Step 2(Continued)-3:
INSPECTION PROCEDURE
HINT: When using the intelligent tester, start the inspection from step 1 and when not using the intelligent tester, start from step 2.
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.