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.
2001 Chevrolet MetroFACTORY OEM SERVICE PROCEDURE
System Tests: Notes
NOTE:
System tests were written specifically for use with Tech II scan tool. Other generic scan tools can be used, but may have limited functions.
SYMPTOM INDEX
| Symptom | Perform Test |
|---|---|
| Scan Tool Does Not Communicate With Components | A |
| Scan Tool Does Not Communicate With Universal Asynchronous Receive & Transmit Data Line | B |
| Scan Tool Does Not Communicate With Electronic Brake Control Module | C |
| Scan Tool Does Not Communicate With Sensing & Diagnostic Module | D |
Factory Service Tools
Use the Manual With the Right Hardware
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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.