Component Tests and General Diagnostics

ENGINE CONTROL MODULE POWER GROUND

OPERATION
Grounds of the engine control module.

TROUBLESHOOTING HINTS
If there is incorrect or incomplete contact of the engine control module's ground line, the engine control module will not function correctly.

HARNESS INSPECTION





STEP 1. Check for continuity in the ground circuit.
- Engine control module connector: Disconnected

OK: STOP
NG: Repair the harnesses. (13 - Ground, 26 - Ground)