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 MANUALSCHEVROLET2007IMPALA V8-5.3LREPAIR AND DIAGNOSISWINDOWS AND GLASSWINDOWSTESTING AND INSPECTIONSYMPTOM RELATED DIAGNOSTIC PROCEDURESPOWER WINDOW LOCKOUT FUNCTION INOPERATIVE
2007 Chevrolet Impala V8-5.3L
Power Window Lockout Function Inoperative
2007 Chevrolet Impala V8-5.3LSECTION Power Window Lockout Function Inoperative
Power Window Lockout Function Inoperative
Test Description
Step 1 - Step 7:
The number below refers to the step number on the diagnostic table.
3. This step determines if the power window master switch lockout signal circuit may be shorted to battery positive voltage. Normally, with rear window lockout not enabled, this circuit is closed within the master window switch and rear windows are operational from their respective switches. When the lockout feature is enabled, the circuit is open and no voltage is available at the rear window switches. A short to voltage on this circuit would cause power to be supplied to the rear window switches regardless of the lockout switch status.
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.