Charging System Diagnostics

Tests 27 - 31:

Tests 32 - 35:

SYMPTOM
CHECKING CHARGING SYSTEM OPERATION WITH NO DTC'S PRESENT

POSSIBLE CAUSES
- B(+) circuit high resistance
- Generator ground high resistance
- B(+) circuit high resistance (1.0 volt)
- Generator belt observably defective
- Generator field terminal intermittent defect
- Trouble codes present
- Trouble codes present 2000 rpm
- PCM defective (charging system no code)