Engine Controls - Tests W/Codes - Body Control Computer

• Introduction
  • Identification
• Description
• Operation
  • Body Controller
  • CCD Bus System
  • Compass/Temperature Monitor
  • Electronic Vehicle Information Center (EVIC)
  • Electronic Instrument Cluster
  • Engine Compartment Node
  • Light Outage Module
  • Mechanical Instrument Cluster
  • Overhead Travel Information System (OTIS)
  • Traveler Module
  • Vehicle Theft Alarm System
    • Notes
    • Initialization & Verification
    • Manual Override Mode & Tamper Alert Mode
• Self-Diagnostic System
  • Notes
  • Pretest Inspection
• Diagnostic Procedure
  • Notes
  • DRB-II Key Functions
  • Entering On-Board Diagnostics
    • Notes
    • VEHICLES TESTED Mode
    • HOW TO USE Mode
    • CONFIGURE Mode
    • SELECT SYSTEM Mode
    • SELECT MODULE Menu
    • DRB-II Volt/Ohmmeter Mode
    • DRB-II Continuity Meter Mode
  • DRB-II Problems & Error Messages
• Connector Identification
  • Body Control System Connectors
• Self-Diagnostic Tests
  • Notes
  • Test 1A - Vehicle Equip & CCD MBUS Communication Problem Id
  • Test 2A - Automatic Door Lock System
  • Test 2B - Diagnosing Lock Signal To Body Control Module
  • Test 2C - Automatic Door Locks Without Remote Keyless Entry
  • Test 3A - Automatic Door Locks With Remote Keyless Entry
  • Test 3B - Diagnosing Lock Signal To Body Control Module
  • Test 3C - Automatic Door Locks With Remote Keyless Entry
  • Test 3D - Automatic Door Locks With Remote Keyless Entry
  • Test 3E - Automatic Door Locks With Remote Keyless Entry
  • Test 3F - Automatic Door Locks With Remote Keyless Entry
  • Test 4A - Faulty Door Ajar Circuit
  • Test 5A - Chime Problem
  • Test 6A - Courtesy Light System
  • Test 6B - Courtesy Light System
  • Test 6C - Courtesy Light System
  • Test 6D - Testing Door Jamb Switches For Shorts
  • Test 6E - Courtesy Light Actuator Problem
  • Test 7A - Left Front Door Jamb Switch
  • Test 8A - Right Front Door Jamb Switch
  • Test 9A - Left Rear Door Jamb Switch
  • Test 10A - Right Rear Door Jamb Switch
  • Test 11A - Testing Headlight Switch For Courtesy Lamp Circuit
  • Test 12A - Illuminated Entry System
  • Test 12B - Left Door Illuminated Entry Actuator Circuit
  • Test 12C - Checking Courtesy Light Battery Feed Circuit
  • Test 12D - Left Door Handle Switch Circuit
  • Test 13A - Right Door Handle Switch Circuit
  • Test 14A - Ignition Key-In Light Circuit
  • Test 14B - Ignition Key-In Light Circuit
  • Test 14C - Left Front Door Jamb Circuit
  • Test 15A - Electronic Instrument Cluster Diagnostics
  • Test 15B - Electronic Instrument Cluster Display Blank
  • Test 16A - Faulty Instrument Cluster Gauge
  • Test 17A - Temperature Gauge Problem
  • Test 18A - Electronic Instrument Cluster Speedometer Failure
  • Test 18B - Electronic Instrument Cluster Speedometer Failure
  • Test 19A - Electronic Instrument Cluster Warning Light
  • Test 19B - Faulty Warning Light
  • Test 19C - Faulty Door/Deck Warning Light
  • Test 20A - Seat Belt Warning Light
  • Test 21A - Brake Warning Light Circuit
  • Test 21B - Brake Pressure Switch Without Anti-Lock Brakes
  • Test 22A - Elect Instrument Cluster Or Electronic Visual
  • Test 22B - Elect Instrument Cluster Or EVIC Illumination Test
  • Test 22C - Elect Instrument Cluster Or EVIC Illumination Test
  • Test 22D - Elect Instrument Cluster Or EVIC Illumination Test
  • Test 22E - Elect Instrument Cluster Or EVIC Illumination Test
  • Test 23A - EIC Illumination Upon Entry
  • Test 24A - Electronic Instrument Cluster (EIC) Switch Test
  • Test 25A - Blank EVIC Head Monitor
  • Test 25B - Blank EVIC Head Monitor
  • Test 26A - EVIC Head Switch
  • Test 26B - EVIC Head Switch
  • Test 27A - EVIC Head Warning Messages
  • Test 28A - BRAKELIGHT Out Message
  • Test 28B - False Brake Lamp Out Message
  • Test 28C - Missing Brake Lamp Out Message
  • Test 29A - All BRAKELIGHTS Out
  • Test 29B - All BRAKELIGHTS Out
  • Test 29C - All BRAKELIGHTS Out
  • Test 30A - Right BRAKELIGHTS Out
  • Test 31A - Left BRAKELIGHTS Out
  • Test 32A - Right BRAKELIGHT Out
  • Test 33A - Right BRAKELIGHT Out
  • Test 34A - Left BRAKELIGHT Out
  • Test 35A - Left BRAKELIGHT Out
  • Test 36A - Faulty Low Oil Level Message
  • Test 37A - Faulty Coolant Level Message
  • Test 38A - Driver's Door Ajar
  • Test 38B - Door Ajar With Vehicle Theft Alarm
  • Test 39A - Left Rear Door Ajar Circuit
  • Test 39B - Door Ajar With Vehicle Theft Alarm
  • Test 40A - Right Front Door Ajar Circuit
  • Test 40B - Door Ajar Circuit With Vehicle Theft Alarm
  • Test 41A - Right Rear Door Ajar Circuit
  • Test 41B - Door Ajar Circuit With Vehicle Theft Alarm
  • Test 42A - Exterior Lights On Message
  • Test 43A - Fasten Seat Belt Message
  • Test 44A - Headlight Out
  • Test 44B - Right Headlight Out
  • Test 44C - Left Headlight Out
  • Test 45A - Both Low Beam Headlights Out
  • Test 45B - Faulty Headlight Feed Circuit
  • Test 46A - Faulty Headlamp Out Message
  • Test 47A - Key In Ignition
  • Test 47B - Key In Ignition
  • Test 48A - Low Brake Fluid Message (Without Anti-Lock Brakes)
  • Test 49A - Fuel Level Sensor Circuit
  • Test 50A - Oil Pressure Sensor Circuit
  • Test 50B - Oil Pressure Sensor Circuit
  • Test 51A - Faulty Parking Brake Message
  • Test 52A - Taillight Out/Faulty Tail Lamp Out Message
  • Test 53A - Faulty Tail Lamp Out Message
  • Test 54A - Right Taillight Out
  • Test 55A - Left Taillight Out
  • Test 56A - All Taillights Out
  • Test 56B - All Taillights Out
  • Test 56C - All Taillights Out
  • Test 56D - All Taillights Out
  • Test 56E - All Taillights Out
  • Test 56F - All Taillights Out
  • Test 56G - All Taillights Out
  • Test 57A - Trunk Ajar Switch Circuit
  • Test 58A - Faulty Turn Signal On Circuit
  • Test 59A - Washer Fluid Switch Circuit
  • Test 60A - Headlight Door System
  • Test 60B - Headlight Doors Will Not Open
  • Test 60C - Headlight Doors Will Not Open
  • Test 60D - Headlight Doors Will Not Open
  • Test 61A - Headlight Doors Do Not Operate By Headlight Switch
  • Test 62A - Headlight Doors Will Not Open
  • Test 63A - Headlight Doors Will Not Open
  • Test 64A - Headlight Doors Will Not Close
  • Test 64B - Headlight Doors Will Not Close
  • Test 64C - Headlight Doors Will Not Close
  • Test 65A - Headlight Doors Will Not Open For Flash To Pass
  • Test 69A - Faulty Warning Light On Mechanical Cluster
  • Test 70A - Faulty Check Gauges Light On Mechanical Cluster
  • Test 70B - Faulty Check Gauges Light On Mechanical Cluster
  • Test 70C- Faulty Check Gauges Light On Mechanical Cluster
  • Test 71A - Faulty Low Fuel Light On Mechanical Cluster
  • Test 72A - Faulty Seat Belt Warning Light On Mechanical
  • Test 73A - Identifying Faulty Door Ajar CKT W/Visual Message
  • Test 73B - Faulty Door Ajar Circuit W/Visual Message Center
  • Test 74A - Left Front Door Ajar With Visual Message Center
  • Test 74B - Left Front Door Ajar With Visual Message Center
  • Test 74C - Left Front Door Ajar With Visual Message Center
  • Test 75A - Left Rear Door Ajar With Visual Message Center
  • Test 75B - Left Rear Door Ajar With Visual Message Center
  • Test 75C - Left Rear Door Ajar With Visual Message Center
  • Test 76A - Right Front Door Ajar With Visual Message Center
  • Test 76B - Right Front Door Ajar With Visual Message Center
  • Test 76C - Right Front Door Ajar With Visual Message Center
  • Test 77A - Right Rear Door Ajar With Visual Message Center
  • Test 77B - Right Rear Door Ajar With Visual Message Center
  • Test 77C - Right Rear Door Ajar With Visual Message Center
  • Test 78A - Intermittent Wiper System
  • Test 78B - Intermittent Wiper System
  • Test 78C - Intermittent Wiper Switch Circuit
  • Test 79A - Intermittent Wiper Park Circuit
  • Test 79B - Washer Pump Circuit
  • Test 80A - Vehicle Theft Alarm Diagnostics
  • Test 80B - Vehicle Theft Alarm Diagnostics
  • Test 81A - Driver's Door Key Cylinder Switch
  • Test 82A - Hood Ajar Switch
  • Test 83A - Trunk Key Cylinder Sense Switch
  • Test 83B - Trunk Key Cylinder Sense Switch
  • Test 84A - Ignition Run/Acc Circuit
  • Test 85A - Ignition Run Circuit
  • Test 86A - Indicator Light Circuit
  • Test 87A - Parking Light Output
  • Test 88A - Passenger's Door Key Cylinder Switch
  • Test 89A - Power Door Lock Signal
  • Test 90A - Power Door Unlock Signal
  • Test 91A - Remote Keyless Entry (RKE)
  • Test 92A - Horn Circuit
  • Test 93A - Body Control Module No Response
  • Test 94A - Electronic Instrument Cluster No Response
  • Test 94B - Electronic Instrument Cluster No Response
  • Test 94C - Electronic Instrument Cluster No Response
  • Test 95A - EVIC Head No Response
  • Test 95B - EVIC Head No Response
  • Test 96A - Engine Node No Response
  • Test 97A - Engine Controller No Response
  • Test 98A - Vehicle Theft Alarm No Response
  • Verification Procedure VER-1 - Verification Of Repairs
• Vehicle Communications Tests
  • Please Read This First *
  • Test 1A - Fault Messages
  • Test 2A - Blank DRB-II 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 7D - 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 8D - Short To 5 Volts
  • Test 8E - Short To 5 Volts
  • Test 8G - Short To 5 Volts
  • Test 9A - Short To Ground
  • Test 10A - Bus (+) & Bus (-) Shorted Together
  • Test 11A - No Termination
  • Test 11C - No Termination
  • Test 12A - Bus Bias Level Or Bus (+/-) Open
  • Test 12C - Bus Bias Level Or Bus (+/-) Open
  • Test 13A - No Bus Bias
  • Test 13C - No Bus Bias
  • Test 14 - Not Receiving Bus Messages Correctly
• Verification Test
  • Verification Procedure VER-1
• Wiring Diagrams