Vehicle Communication System
- System Tests
- Notes
- Identifying Vehicle Communication Problems
- Bus (+) & Bus (-) Shorted Together
- Bus Bias Level Too Low Or Too High (CHEROKEE)
- Bus Bias Level Too Low Or Too High (Wrangler)
- Bus (+) &/Or Bus (-) Open
- Scan Tool Blank Screen
- No Bus Bias (CHEROKEE)
- No Bus Bias (Wrangler)
- No Response From Air Bag Control Module (CHEROKEE)
- No Response From Air Bag Control Module (Wrangler)
- No Response From Compass Mini-Trip Computer (CMTC)
- No Response From Instrument Cluster
- No Response From Powertrain Control Module
- No Response From Remote Keyless Entry (RKE)
- No Response From Smart Key Immobilizer Module (Skim)
- No Response From Transmission Control Module (TCM)
- No Termination
- Not Receiving Bus Messages Correctly
- Bus Short To 5 Volts
- Bus Short To Battery
- Bus Short To Ground
- Verification Test: VER-2A