Bus Bias Level Too Low
SYMPTOMBUS BIAS LEVEL TOO LOW
TEST NOTE
This symptom is diagnosed using the test BUS BIAS LEVEL TOO HIGH.
POSSIBLE CAUSES
- DRB CCD bus bias out of tolerance
- CCD bus (+) CKT open
- CCD bus (+) CKT SHORT TO GND
- CCD bus (-) CKT open
- CCD bus (-) CKT short to GND
- ACM CCD bus bias out of tolerance
- Instrument cluster CCD bus bias out of tolerance
- Instrument cluster ground circuit open
- PCM CCD bus bias out of tolerance
- SKIM CCD bus bias out of tolerance