Bus Bias Level Too Low

SYMPTOM
* BUS BIAS LEVEL TOO LOW

TEST NOTE: All symptoms are diagnosed using the same tests. The title for the tests will be * BUS BIAS LEVEL TOO HIGH.

POSSIBLE CAUSES
- Defective DRB/BIAS out of range
- CCD bus (+) CKT bias open
- CCD bus (-) CKT bias open
- CCD bus (+) CKT SHT/GND
- CCD bus (-) CKT SHT/GND
- CCD instrument cluster GND CKT open (CAV 4)
- CCD instrument cluster GND CKT open (CAV 5)
- Defective instrument cluster-too HI/LO