Engine Controls - Tests W/Codes - Body Control Computer

• Introduction
  • Description
  • Operation
  • Body Control Computer
  • CCD Bus
  • Electronic Instrument Cluster
• Self-Diagnostic System
  • Notes
  • Pretest Inspection
• Diagnostic Procedure
  • Notes
  • Introduction
  • Entering On-Board Diagnostics
  • Clearing Trouble Codes
  • Electronic Instrument Cluster (EIC) Actuator Tests
  • DRB Problems & Error Messages
• Connector Identification
  • Body Control System Connectors
• Self-Diagnostic Tests
  • Notes
  • Test 1A - Identifying Vehicle Equipment & System Problems
  • Test 2A - Electronic Instrument Cluster (EIC) Diagnostics
  • Test 2B - Electronic Instrument Cluster (EIC) Diagnostics
  • Test 3A - Electronic Instrument Cluster (EIC) Trouble Codes
  • Test 4A - Electronic Instrument Cluster (EIC) Problems
  • Test 4B - EIC Speedometer/Odometer Failure
  • Test 4C - EIC Switch Operation
  • Test 5A - EIC Identifying Faulty Gauge(S)
  • Test 6A - EIC Repairing Temperature Gauge Problems
  • Test 7A - EIC Identifying Faulty Warning Light
  • Test 8A - EIC Or Compass/Mini-Trip Illumination Test
  • Test 8B - Repairing Park Light Operation
  • Test 8C - Repairing Short To GND In Pod SW Control Circuits
  • Test 8D - Repairing Open In Pod Switch Control Circuits
  • Test 8E - Repairing Short To Ground In Panel LTS Feed CKT
  • Test 8F - Repairing Open In Panel Lights Feed Circuit
  • Test 9A - Electro/Mechanical Instrument Cluster Diagnostics
  • Test 10A - Faulty Gauge On Electro/Mech Instrument Cluster Id
  • Test 10B - Repairing Electro/Mech INSTMT Cluster Sense CKTS
  • Test 10C - Repairing Open GND To Electro/Mech Inst CLSTR
  • Test 11A - Electro/Mech Instrument Cluster Odometer Failure
  • Test 12A - Faulty Electro/Mech Inst Cluster Warning LT Id
  • Test 12B - Faulty Electro/Mech Instrument CLSTR Warning LT Id
  • Test 12C - Repairing Inoperative Warning Light
  • Test 12D - Repairing Faulty Check Gauges Lamp
  • Test 12E - Repairing Faulty Check Gauges Lamp
  • Test 13A - Repairing Door Ajar Warning Light
  • Test 14A - Repairing Voltage Gauge Or Voltage Light Problem
  • Test 15A - Diagnosing Compass/Mini-Trip Module Trouble Codes
  • Test 15B - Repairing Compass/Mini-Trip Module Blank Screen
  • Test 15C - Diagnosing Blank Screen/Buttons On Compass/Mini-Trip Module
  • Test 19A - Identifying Power Door Lock Problems
  • Test 19B - Diagnosing Door Lock & Unlock Circuit
  • Test 19C - Diagnosing Door Lock & Unlock Circuit
  • Test 19D - Diagnosing Door Lock Circuit
  • Test 19E - Diagnosing Door Lock Circuit
  • Test 19F - Diagnosing Door Unlock Circuit
  • Test 19G - Diagnosing Door Unlock Circuit
  • Test 19H - Diagnosing Door Lock/Unlock Circuit
  • Test 19J - Diagnosing Door Lock Circuit
  • Test 20A - Power Door Lock Problems W/ RKE Id
  • Test 20B - Repairing Power Door Lock Problems W/ RKE
  • Test 20C - Repairing Power Door Lock Problems W/ RKE
  • Test 20D - Repairing Power Door Lock Problems W/ RKE
  • Test 20E - Repairing Power Door Lock Problems W/ RKE
  • Test 20F - Repairing Power Door Lock Problems W/ RKE
  • Test 20G - Repairing Power Door Lock Problems W/ RKE
  • Test 20H - Repairing Power Door Lock Problems W/ RKE
  • Test 21A - Diagnosing Side Door Memory Lock
  • Test 22A - Diagnosing Intermittent Wiper Problem
  • Test 23A - Identifying Intermittent Wiper Problem
  • Test 23B - Diagnosing Intermittent Wiper Problem
  • Test 24A - Diagnosing Washer Pump Problem
  • Test 24B - Diagnosing Wiper Problem During Wash Cycle
  • Test 24C - Diagnosing Wiper Park Switch
  • Test 25A - Diagnosing Illuminated Entry System
  • Test 26A - Diagnosing Left Front Door Illuminated Entry SW
  • Test 26B - Diagnosing Right Front Door Illuminated Entry SW
  • Test 27A - Repairing Illuminated Entry Short To Ground
  • Test 28A - Diagnosing Courtesy Light System
  • Test 28B - Diagnosing Courtesy Light Circuit
  • Test 28C - Diagnosing Courtesy Light Battery Feed Circuit
  • Test 29A - Courtesy Light Door Switches
  • Test 30A - Diagnosing Courtesy Light Control Circuit
  • Test 31A - Diagnosing Dome Light Switch
  • Test 32A - Courtesy Lights On At All Times
  • Test 33A - Diagnosing Key-In Light Circuit
  • Test 33B - Checking For Open Key-In Light Circuit
  • Test 33C - Checking For Open Key-In Light Circuit
  • Test 34A - HEADLTS Will Not Turn Off/Diag HEADLT Time DLY CKT
  • Test 34B - Time Delay Will Not Turn Off
  • Test 35A - Time Delay Will Not Turn On
  • Test 36A - Identifying Liftgate Release Problem
  • Test 36C - Repairing Liftgate Release Problem
  • Test 36D - Repairing Shorted Liftgate Circuit
  • Test 37A - Diagnosing Seat Belt Warning Light Circuit
  • Test 37B
  • Test 37C - Checking For Short In Seat Belt Warning Light CKT
  • Test 37D - Checking For Open In Seat Belt Switch Circuit
  • Test 37E - Checking For Short In Seat Belt Switch Circuit
  • Test 38A - Identifying Chime System Problem
  • Test 38B - Chime Does Not Operate
  • Test 38C - Diagnosing Chime With Seat Belt Buckled
  • Test 38D - Diagnosing Chime With Driver's Door Open
  • Test 39A - Diagnosing No Chime With Exterior Lights On
  • Test 39B - Diagnosing No Chime With Key In Ignition
  • Test 39C - Diagnosing No Chime With Seat Belt Fastened
  • Test 39D - Diagnosing No Chime With Turn Signals On
  • Test 39E - Repairing Left Turn Signal Circuit
  • Test 39F - Repairing Right Turn Signal Circuit
  • Test 40A - Diagnosing Door Ajar Circuit (Left Front Door)
  • Test 41A - Diagnosing Door Ajar Circuit (Right Front Door)
  • Test 42A - Diagnosing Door Ajar Circuit (Side Door)
  • Test 42B - Diagnosing Door Ajar Circuit (Side Door)
  • Test 43A - Diagnosing Door Ajar Circuit (Liftgate)
  • Test 44A - Repairing Faulty Washer Fluid Level Circuit
  • Test 45A - Repairing Fuel Level Sending Unit
  • Test 46A - Repairing Oil Pressure Sending Unit
  • Test 46B - Diagnosing Oil Indicator Light (Without Oil Gauge)
  • Test 46C - Open Oil Pressure Sending Unit
  • Test 47A - Diagnosing Oil Press Sending Unit (W/ Oil Gauge)
  • Test 47B - Grounded Oil Pressure Sending Unit Signal CKT
  • Test 47C - Open Oil Pressure Sending Unit Signal Circuit
  • Test 47D - Grounded Oil Pressure Sending Unit
  • Test 48A - Electronic Instrument Cluster No Response
  • Test 48B - Electronic Instrument Cluster No Response
  • Test 48D - Repairing Instrument Cluster Batter Power Supply
  • Test 49A - Repairing Body Control Module (BCM) No Response
  • Test 49B - Repairing BCM Ignition Power Supply
  • Test 49C - Repairing BCM Battery Power Supply
  • Test 50A - Compass/Mini Trip Module No Response
  • Test 51A - Repairing Pcm No Response
  • Test VER-1B - Verification Procedure
• Vehicle Communications Tests
  • Please Read This First *
  • Test 1A - Trouble Codes
  • Test 2A - Blank DRB Message Screen
  • Test 3A - Ram Test Failure
  • Test 4A - Cartridge Error
  • Test 5A - Key Pad Test Failure
  • Test 6A - Low Or High Battery
  • Test 7A - Short To Battery
  • Test 7B - Short To Battery
  • Test 7C - Short To Battery
  • Test 7E - Short To Battery
  • Test 7F - Short To Battery
  • Test 8A - Short To 5 Volts
  • Test 8B - Short To 5 Volts
  • Test 8E - Short To 5 Volts
  • Test 8F - Short To 5 Volts
  • Test 8G - Short To 5 Volts
  • Test 9A - Short To Ground
  • Test 9B - Short To Ground
  • Test 10A - Bus + & Bus - Shorted Together
  • Test 11A - No Termination
  • Test 11E - No Termination
  • Test 12A - Bus Bias Level Or Bus (+/-) Open
  • Test 12E - Bus Bias Level Or Bus (+/-) Open
  • Test 13A - No Bus Bias
  • Test 13E - No Bus Bias
  • Test 14A - Not Receiving Bus Messages Correctly
• Verification Test
  • Test VER-1 - Verification Procedure
• Wiring Diagrams
  • BCM
  • 2.5L
  • 3.0L With TCM
  • 3.0L W/O TCM
  • 3.3L & 3.8L Gas
  • 3.3L CNG