Body Control Computer (Except Coupe)

• Identification
• Description
• Operation
  • Body Control Computer
  • CCD Bus System
  • Compass/Mini-Trip Computer (CMTC)
  • Mechanical Instrument Cluster (Mic)
  • Overhead Travel Information System (OTIS)
  • Vehicle Theft Security System (VTSS)
    • Notes
    • Initialization & Verification
    • Manual Override Mode & Tamper Alert Mode
• Self-Diagnostic System
  • Notes
  • Pretest Inspection
• Diagnostic Procedure
  • Notes
  • Generic Scan Tool
  • DRB Scan Tool
• Connector Identification
• Body Control Computer Tests
  • Notes
  • Symptom Id Test 1A - Identifying Vehicle Equipment & System Problems
  • Symptom Id Test 1B - Identifying Fault Messages
  • Chime Test 1A - Identifying Chime System Problems
  • Chime Test 2A - Chime Inoperative At All Times
  • Chime Test 3A - Chime Inoperative With Exterior Lights On
  • Chime Test 4A - Chime Inoperative With Seat Belt Unfastened
  • Chime Test 5A - Chime Sounds With Seat Belt Fastened
  • Chime Test 6A - Chime Inoperative With Key In Ignition
  • Chime Test 7A - Chime Sounds With Driver Door Open & Key Removed From Ignition
  • CMTC Test 1A - Identifying Compass/Mini-Trip Problems
  • CMTC Test 2A - Compass/Mini-Trip Computer Displaying "SC"
  • CMTC Test 3A - Compass/Mini-Trip Computer Displaying "OC"
  • CMTC Test 4A - Incorrect Ambient Temperature Reading
  • CMTC Test 4B - Incorrect Ambient Temperature Reading
  • CMTC Test 5A - Incorrect Mileage Or Distance Problems
  • CMTC Test 6A - Elapsed Time Inoperative Or Wrong
  • CMTC Test 7A - Blank Display Or "CCD" Displayed
  • Door Ajar Test 1A - Identifying Door Ajar System Problem
  • Door Ajar Test 2A - Left Front Door Ajar Short Circuit
  • Door Ajar Test 3A - Left Front Door Ajar Open Circuit
  • Door Ajar Test 4A - Right Front Door Ajar Short Circuit
  • Door Ajar Test 4B - Right Front Door Ajar Short Circuit
  • Door Ajar Test 5A - Right Front Door Ajar Open Circuit
  • Door Ajar Test 6A - Right Rear Door Ajar Open Circuit
  • Door Ajar Test 7A - Left Rear Door Ajar Open Circuit
  • Power Door Lock Test 1A - Identifying Power Door Lock Problems
  • Power Door Lock Test 2A - All Doors Fail To Lock & Unlock From Any Switch
  • Power Door Lock Test 2B - All Doors Fail To Lock/Unlock From Any Switch
  • Power Door Lock Test 2C - Door Lock Driver Short Circuit
  • Power Door Lock Test 2D - Shorted Door Unlock Driver Circuit
  • Power Door Lock Test 3A - All Doors Fail To Lock & Unlock From One Switch
  • Power Door Lock Test 4A - One Door Fails To Lock & Unlock From Any Switch
  • Power Door Lock Test 4B - One Door Fails To Lock & Unlock From Any Switch
  • Power Door Lock Test 5A - Doors Fail To Lock From Any Switch
  • Power Door Lock Test 6A - Inoperative Door Lock Inhibit Circuit
  • Power Door Lock Test 7A - Automatic (While Moving) Door Locks
  • Power Door Lock Test 8A - Identifying RKE Problems
    • Notes
    • Remote Keyless Entry (RKE) Does Not Operate
    • Remote Keyless Entry (RKE) Does Not Operate Properly (Must Be Held Very Close To Vehicle)
  • Exterior Light Test 1A - Identifying Exterior Lighting System Problems
  • Exterior Light Test 2A - Headlights Will Not Turn Off
  • Exterior Light Test 3A - Headlight Time Delay Does Not Function
  • Interior Light Test 1A - Identifying Interior Lighting System Problems
  • Interior Light Test 2A - Courtesy Light Inoperative With Any Door
  • Interior Light Test 2B - Courtesy Light Inoperative With Any Door
  • Interior Light Test 2C - Courtesy Light Inoperative With Any Door
  • Interior Light Test 2D - Courtesy Light Inoperative With Any Door
  • Interior Light Test 3A - Courtesy Light On At All Times
  • Interior Light Test 4A - Courtesy Light Inoperative With Dome Light Switch
  • Interior Light Test 5A - Illuminated Entry Inoperative
  • Interior Light Test 6A - Key-In Light Inoperative
  • Interior Light Test 7A - Key-In Light Is On Constantly
  • Instrument Cluster Test 1A - Identifying Instrument Cluster Problems
  • Instrument Cluster Test 2A - All Gauges Do Not Operate
  • Instrument Cluster Test 3A - Fuel Gauge Not Operating Properly
  • Instrument Cluster Test 3B - Speedometer Not Operating Properly
  • Instrument Cluster Test 3C - Tachometer Not Operating Properly
  • Instrument Cluster Test 3D - Temperature Gauge Not Operating Properly
  • Instrument Cluster Test 3E - Checking Fuel Gauge Accuracy
  • Instrument Cluster Test 3F - Repairing Fuel Gauge
  • Instrument Cluster Test 3G - Repairing Low Fuel Light
  • Instrument Cluster Test 4A - Identifying Warning Light Problems
  • Instrument Cluster Test 5A - Cluster Illumination
  • Instrument Cluster Test 5B - Panel Lights Power Circuit
  • Instrument Cluster Test 5C - Panel Lights Power Circuit
  • Instrument Cluster Test 5D - Panel Lights Power Circuit
  • Instrument Cluster Test 5E - Panel Lights Power Circuit
  • Instrument Cluster Test 5F - Parking Light Switch Output Circuit To BCM
  • Instrument Cluster Test 5G - Dimmer Switch Signal Circuit
  • Instrument Cluster Test 6A - Gauges Not Going To Zero When Key Is Turned Off
  • Instrument Cluster Test 6B - Gauges Not Going To Zero When Key Is Turned Off
  • Instrument Cluster Test 7A - Vacuum Fluorescent (VF) Display
  • Instrument Cluster Test 8A - Coolant Temperature Light
  • Instrument Cluster Test 9A - Low Fuel Warning Light
  • Instrument Cluster Test 10A - Oil Warning Light
  • Instrument Cluster Test 10B - Oil Warning Light
  • Instrument Cluster Test 11A - Seat Belt Warning Light
  • Instrument Cluster Test 12A - Brake Warning Light
  • Instrument Cluster Test 12B - Brake Warning Light
  • Instrument Cluster Test 12C - Brake Warning Light
  • Instrument Cluster Test 12D - Brake Warning Light
  • Instrument Cluster Test 12E - Brake Warning Light
  • Instrument Cluster Test 13A - High Beam Indicator Light
  • Instrument Cluster Test 14A - Turn Signal Indicator Lights
  • Instrument Cluster Test 15A - Alternator Light (Battery Symbol)
  • Instrument Cluster Test 16A - Cruise Control Light
  • Instrument Cluster Test 17A - Check Engine Light
  • Instrument Cluster Test 18A - Fog Light Indicator
  • Instrument Cluster Test 19A - Deck Ajar Message
  • Instrument Cluster Test 20A - Lo Wash Message
  • VTSS Test 1A - Identifying Vehicle Theft Security System (VTSS) Problems
  • VTSS Test 1B - Disarming VTSS
  • VTSS Test 2A - VTSS Module No Response
  • VTSS Test 3A - Fused Ignition Switch Output Circuit To BCM
  • VTSS Test 4A - Horn Circuits
  • VTSS Test 4B - Fused Battery Voltage For Horns
  • VTSS Test 4C - Trunk Key Cylinder Switch Sense Circuit
  • VTSS Test 5A - VTSS Indicator Light
  • VTSS Test 5B - VTSS Indicator Light
  • VTSS Test 6A - Headlight Circuit
  • VTSS Test 6B - Key-In-Ignition Switch
  • VTSS Test 7A - Left Front Door Ajar
  • VTSS Test 8A - Right Front Door Ajar
  • VTSS Test 9A - Right Rear Door Ajar
  • VTSS Test 10A - Left Rear Door Ajar
  • VTSS Test 11A - Left VTSS Disarm Malfunction
  • VTSS Test 11B - Left VTSS Disarm Malfunction
  • VTSS Test 12A - Right VTSS Disarm Malfunction
  • VTSS Test 12B - Right VTSS Disarm Malfunction
  • VTSS Test 13A - Garage Door Opener & DECKLID Release Malfunction
  • VTSS Test 14A - DECKLID Release Inoperative From RKE
  • Windshield Wiper Test 1A - Identifying Windshield Wiper System Problems
  • Windshield Wiper Test 2A - Wipers Not Working At All
  • Windshield Wiper Test 2B - Wipers Not Working At All
  • Windshield Wiper Test 2C - Wipers Not Working At All
  • Windshield Wiper Test 2D - Wipers Not Working At All
  • Windshield Wiper Test 2E - Wipers Not Working At All
  • Windshield Wiper Test 2F - Wipers Not Working At All
  • Windshield Wiper Test 2G - Wipers Not Working At All
  • Windshield Wiper Test 3A - Wipers Not Working In High Speed Mode
  • Windshield Wiper Test 4A - Wipers Not Working In Low Speed Mode
  • Windshield Wiper Test 5A - Wipers Not Working In Intermittent Mode
  • Windshield Wiper Test 6A - Wipers Not Parking In Off Position
  • Windshield Wiper Test 7A - Wiper Wash Function Not Working Properly
  • Windshield Wiper Test 8A - Wipers Operate In High Speed Only
  • Windshield Wiper Test 9A - Wipers Run Constantly With Ignition On
  • Test VER-1A - Verification Procedure
• Vehicle Communications Tests
  • Test 1A - Bus Fault Messages
  • Test 2A - Bus Short To Battery
  • Test 2B - Bus Short To Battery
  • Test 2C - Bus Short To Battery
  • Test 2D - Bus Short To Battery
  • Test 3A - Bus Short To 5 Volts
  • Test 3B - Bus Short To 5 Volts
  • Test 3C - Bus Short To 5 Volts
  • Test 3D - Bus Short To 5 Volts
  • Test 4A - Bus Short To Ground
  • Test 5A - Bus (+) & Bus (-) Shorted Together
  • Test 6A - No Termination
  • Test 7A - Bus Bias To High/Low Level
  • Test 8A - Bus Bias Level Or Bus (+/-) Open
  • Test 9A - Not Receiving Bus Messages Correctly
  • Test 10A - No Response From Air Bag Control Module
  • Test 10B - No Response From Air Bag Control Module
  • Test 11A - No Response From Body Control Module
  • Test 12A - No Response From Instrument Cluster
  • Test 12B - No Response From Instrument Cluster
  • Test 12C - No Response From Instrument Cluster
  • Test 13A - No Response From Powertrain Control Module
  • Test 14A - No Response From Transmission Control Module
  • Test 15A - No Response From CCD Radio
  • Test 15B - No Response From CCD Radio
• Wiring Diagrams