Checking Charging System Operation With No DTC's Present

Tests 1 - 3:

Tests 4 - 8:

Tests 9 - 10:

SYMPTOM
CHECKING CHARGING SYSTEM OPERATION WITH NO DTCS

POSSIBLE CAUSES
- Generator belt condition
- DTC reset
- Wire harness inspection
- B (+) circuit high resistance
- Generator field source (+) circuit open
- Generator field coil high resistance
- Generator field driver circuit open
- Generator ground high resistance
- PCM