Riviera V6-3.8L SC VIN 1 (1995)
Serial Data: Initial Inspection and Diagnostic Overview
Troubleshooting Hints - Data Line (E & C)
TRY ONE OF THE FOLLOWING:
1. Check all DK ORN (835) wiring for an open or short to ground.
2. Check all data line component connectors for proper terminal contact, beginning with suspect component.
3. Check all data line components ground wiring for high resistance (caused by poor terminal contact, frayed wires, etc.).
4. Check all data line components, beginning with suspect component.
Troubleshooting Hints - UART Data Line
TRY ONE OF THE FOLLOWING:
1. Check all TAN (800) and TAN/WHITE (816) (Oldsmobile Only) wiring for an open or short to ground.
2. Check all data line component connectors for proper terminal contact, beginning with suspect component.
3. Check all data line components ground wiring for high resistance (caused by poor terminal contact, frayed wires, etc.).
4. Check all data line components, beginning with suspect component.