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.
2002 Chevrolet Impala LSFACTORY OEM SERVICE PROCEDURE
System Tests: Notes
NOTE:
Connector Test Adapter Kit (J 35616-A) must be used whenever a diagnostic procedure requires checking or probing a terminal to prevent damage to terminal. To locate and identify terminals, see WIRING DIAGRAMS
.
SYMPTOM INDEX
| Symptom | Perform Test |
|---|---|
| All Power Windows Inoperative | A |
| Express Down Feature Inoperative | B |
| Left Front Power Window Inoperative | C |
| Lock-Out Function Inoperative | D |
| Passenger Power Window Inoperative | E |
NOTE:
Vehicle is equipped with Retained Accessory Power (RAP) feature which allows power to operate windows, radio and sunroof for 10 minutes after ignition is turned off or until a door is opened.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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