Checking The Component And Wiring
Check the battery voltage and condition.
Check the charging function of the generator (GEN).
Check the power cable with regard to open circuit.
Take readings between:
- Engine Control Module (ECM) #B3 (#C3) and system relay.
Check the cable for an open-circuit.
Take readings between:
- Engine Control Module (ECM) #B27 (#C27) and system relay.
Check the engine control module (ECM) and the system relay connector. Check for contact resistance. Check for oxidation.
Try a new system relay if no fault is found during the above fault-tracing.
Remedy as necessary.
Other information
- Continue
Refer to VERIFICATION