Body Control Module
Service Precautions
Description and Operation
- A/C Compressor Control
- ABS Indicator
- Battery Rundown Function
- Body Function Controller Communication
- Brake Indicator
- Bulb Check General Description
- Check Oil Indicator (L82 Only)
- Chime Request Function
- Cruise Indicator
- Door Ajar Indicator
- Driver Warning System
- Engine Coolant Temperature Gauge and High Temperature Indicator
- Engine Cooling Fan Control
- Exterior Lighting Control
- Fuel Level Sensing
- High Beam Indicator
- Interior Lighting Control
- Low Engine Coolant Indicator
- Low Fuel Indicator
- Low Wash Indicator
- Oil Pressure Indicator
- PRNDL
- Seat Belt Indicator
- Service Vehicle Soon Indicator
- System Description
- Theft System Indicator
- Vehicle Theft Deterrent (VTD)
- Volts Indicator
- Wake-Up/Asleep States
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Reading and Clearing Diagnostic Trouble Codes
- Symptom Related Diagnostic Procedures
- Scan Tool Testing and Procedures
- Scan Tool Data
- Typical Data Values
- Module Information
- PCM to Body Function Controller (BFC) A/C Clutch Data
- Data
- Inputs
- Ignition 0 Input - Range Active/Inactive
- Ignition 1 Input - Range Active/Inactive
- Ignition 3 Input - Range Active/Inactive
- A/C Request - Range Yes/No
- Park Lamp Input - Range Active/Inactive
- Turn Signal Switch - Range Active/Inactive
- Key In Ignition - Range Yes/No
- Park Brake Switch - Range Yes/No
- Washer Fluid Level - Range Ok/Low
- Low Coolant Level - Range Yes/No
- Driver Door Ajar Switch - Range Yes/No
- Passenger Door Ajar Switch - Range Yes/No
- Front Fog Lamp Switch - Range Yes/No
- Ambient Light Sensor - Range Light/Dark
- LO Beam/DRL Feedback - Range LO Beam/DRL on or LO Beam/DRL Off
- High Beam Feedback - Range High Beams On / High Beams Off
- Seatbelt - Range Buckled/Unbuckled
- Outputs
- Serial Peripheral Interface (SPI) Data
- Body Function Controller (BFC) to Cluster Data
- Gear Position
- Fuel Gage Position - Range 0 - 250 Counts
- Temp. Gage Position - Range 0 - 255 Counts
- Low Coolant Indicator - Range on /Off
- ABS Indicator - Range on/Off
- Hi Beam Lamp - Range on/Off
- Oil Pressure Lamp - Range On /Off
- V Indicator- Range on/Off
- Low Oil Level Indicator - Range on/Off
- Service Vehicle Soon Indicator - Range on/Off
- Low Washer Fluid Indicator - Range on/Off
- Cruise Indicator - Range on/Off
- Low Fuel Level Indicator - Range on/Off
- Brake Indicator - Range on/Off
- Seat Belt Indicator - Range on/Off/Flashes
- Theft System Indicator - Range on/Off/ Flashes
- Door Ajar Indicator - Range on/Off
- Gear Range Dim - Range on/Off
- English/Metric State - Range English/Metric
- Tach Signal - Range Active/Inactive
- Vehicle Speed Sensor Signal (VSS) - Range Active I Inactive
- Phase Lock Loop - Range Ok/Fault
- SPI Serial Data Status -Range Ok /Fault
- Division - Chevrolet/ Oldsmobile
- Scan Tool Data Definitions
- Scan Tool Data
Locations
Service and Repair
Diagrams
- Diagram Information and Instructions
- Diagnostic Aids
- General Troubleshooting Procedures
- Special Tools
- Wire Repair Procedures
- Circuit Protection Devices
- Typical Electrical Repair Procedures
- Connector Views
- Electrical Diagrams
Technical Service Bulletins