Operation CHARM: Car repair manuals for everyone.
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How to Perform Trouble Diagnosis For Quick and Accurate Repair

INTRODUCTION

- Before troubleshooting, verify customer complaints concerning his vehicle.
- If a vehicle problem is hard to reproduce, harnesses, harness connectors and/or terminals may often be faulty. Hold and shake these parts by hand to make sure they are securely connected.
- When using a circuit tester to measure voltage or resistance of each circuit, be careful not to expand connector terminals unnecessarily.





Work Flow