No Bus Bias

SYMPTOM
* NO BUS BIAS

POSSIBLE CAUSES
- Defective DRB - no bus bias
- Fused IGN SW output open - instrument cluster
- Instrument cluster GND CKT open - no bias (CAV 4)
- Instrument cluster GND CKT open - no bias (CAV 5)
- CCD bus (-) CKT open-instrument cluster
- CCD bus (+) CKT open-instrument cluster
- CCD bus (+) CKT SHT to GND - instrument cluster
- CCD bus (-) CKT SHT to GND - instrument cluster
- Instrument cluster DEF GND CKT open