FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Component Tests and General Diagnostics







TROUBLESHOOTING HINTS
If the ground wire of the engine control module is not connected securely to ground, the module will not operate correctly.




HARNESS INSPECTION
Check for continuity of the ground circuit.
- Engine control module connector: Disconnected
OK: STOP
NG: Repair the harness. (13-Ground) (26-Ground)