Charging System Testing

PRELIMINARY INSPECTION 

Perform the following inspections before diagnosing the Smart Alternator system:

1. Verify proper battery condition and charge level.
2. Inspect condition and connections at the battery cable terminals, battery posts, ground locations and Smart Alternator. They should be clean and tight. Repair as required.
3. Inspect all fuses in both the BCM and Power Distribution Center (PDC) for tightness in receptacles. They should be properly installed and tight. Repair or replace as required.
4. Inspect Alternator drive belt and tensioner condition. Verify proper belt tension.