No Response From PCM (SCI Bus) - Powertrain

Tests 1 - 4:

Tests 5 - 9:

SYMPTOM
NO RESPONSE FROM PCM (SCI ONLY)

POSSIBLE CAUSES
- Ground circuit(s) open to Data Link Connector
- "NO RESPONSE" displayed from DRB (SCI only)
- DRB
- DRB adapter cable
- SCI Receive circuit open
- SCI Receive circuit shorted to ground
- SCI Transmit circuit open
- SCI Transmit circuit shorted to ground
- PCM (No Response-Start)