Engine Controls - Tests W/Codes - Body Control Computer

• Identification
• Description
• Operation
  • Notes
  • Body Controller
  • Electronic Vehicle Information Center (EVIC)
  • Electronic Instrument Cluster
  • Mechanical Instrument Cluster
  • CCD Bus
• Self-Diagnostic System
  • Pretest Inspection
• Diagnostic Procedure
  • Notes
  • DRB-II Key Functions
    • YES Or Down Arrow & NO Or Up Arrow
    • F1 & F2 Keys
    • ATM Key
    • ENTER Key
    • F3 Key
    • Number Keys
    • READ/HOLD Key
    • MODE & ATM Keys
  • 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
• Self-Diagnostic Tests
  • Notes
  • Test 1 - Identifying Vehicle Equipment & System Problems
  • Test 2 - Automatic Door Locks (W/O Keyless Entry System)
    • Notes
    • TEST 2B - Diagnosing Lock Signal To Body Controller
    • TEST 2C - Automatic Door Locks Without Remote Keyless Entry System
  • Test 3 - Automatic Door Locks W/Keyless Entry System
    • Test 3A - Automatic Door Locks W/Keyless Entry System
    • TEST 3B - Diagnosing Lock Signal To Body Controller
    • 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 4 - Faulty Door Ajar Circuit
    • Notes
    • TEST 4A - Faulty Door Ajar Circuit
  • Test 5 - Courtesy Light System
    • TEST 5A - Courtesy Light System
    • TEST 5B - Courtesy Light System
    • TEST 5C - Courtesy Light System
  • Test 6 - Testing Door Jamb Switches For Shorts
    • TEST 6A - Testing Door Jamb Switches For Shorts
  • Test 7 - Left Front Door Jamb Switch
    • TEST 7A - Left Front Door Jamb Switch
  • Test 8 - Right Front Door Jamb Switch
    • TEST 8A - Right Front Door Jamb Switch
  • Test 9 - Left Rear Door Jamb Switch
    • TEST 9A - Left Rear Door Jamb Switch
  • Test 10 - Right Rear Door Jamb Switch
    • TEST 10A - Right Rear Door Jamb Switch
  • Test 11 - Testing Headlight Switch For Courtesy Lamp Circuit
    • TEST 11A - Testing Headlight Switch For Courtesy Lamp Circuit
  • Test 12 - Illuminated Entry System
    • TEST 12A - Illuminated Entry System
    • TEST 12B - Left Door Illuminated Entry Switch & Wiring
    • TEST 12C - Checking Courtesy Light Input Circuit
    • TEST 12D - Door Handle Switch Circuit
  • Test 13 - Illuminated Entry System
    • TEST 13A - Right Front Door Illuminated Entry Circuit
  • Test 14 - Ignition Key Light Circuit
    • TEST 14A - Ignition Key Light Circuit
    • TEST 14B - Ignition Key Light Circuit
    • TEST 14C - Left Front Door Jamb Circuit
  • Test 15 - Electronic Instrument Cluster Diagnostics
    • TEST 15A - Electronic Instrument Cluster Diagnostics
    • TEST 15B - Electronic Instrument Cluster Diagnostics
  • Test 16 - Electronic Instrument Cluster Fault Codes
    • TEST 16A - Electronic Instrument Cluster Fault Codes
  • Test 17 - Elect. Instrument Cluster Problems/No Fault Codes
    • TEST 17A - Electronic Instrument Cluster Problems Not Identified By Fault Codes
    • TEST 17B - Electronic Instrument Cluster Odometer Problem
    • TEST 17C - Electronic Instrument Cluster Switch Test
  • Test 18 - Identifying Defective Gauge
    • TEST 18A - Identifying Defective Gauge
  • Test 19 - Temperature Gauge Problem
    • TEST 19A - Temperature Gauge Problem
  • Test 20 - Faulty Warning Light
    • TEST 20A - Faulty Warning Light
    • TEST 20B - Faulty Warning Light
  • Test 21 - Door/Deck Warning Light
    • TEST 21A - Door/Deck Warning Light
  • Test 22 - Seat Belt Warning Light
    • TEST 22A - Seat Belt Warning Light
  • Test 23 - Electronic Instrument Cluster Or EVIC Illumination Test
    • TEST 23A - Electronic Instrument Cluster Or Electronic Visual Information Center (EVIC) Illumination Test
    • TEST 23B - Electronic Instrument Cluster Or Electronic Visual Information Center (EVIC) Illumination Test
    • TEST 23C - Electronic Instrument Cluster Or Electronic Visual Information Center (EVIC) Illumination Test
    • TEST 23D - Electronic Instrument Cluster Or Electronic Visual Information Center (EVIC) Illumination Test
    • TEST 23E - Electronic Instrument Cluster Or Electronic Visual Information Center (EVIC) Illumination Test
  • Test 24 - Brake Warning Light Circuit
    • TEST 24A - Brake Warning Light Circuit
    • TEST 24B - Brake Pressure Switch Without Anti-Lock Brakes
  • Test 25 - Blank EVIC Head Monitor
    • TEST 25A - Blank Electronic Vehicle Instrument Center (Evic) Head Monitor
    • TEST 25B - Blank Electronic Vehicle Instrument Center (Evic) Head Monitor
  • Test 26 - EVIC Head Switch
    • TEST 26A - Electronic Vehicle Instrument Center (EVIC) Head Switch
    • TEST 26B - Electronic Vehicle Instrument Center (EVIC) Head Switch
  • Test 27 - EVIC Head Warning Messages
    • TEST 27A - Electronic Vehicle Instrument Center (EVIC) Head Warning Messages
  • Test 28 - BRAKELIGHT Set Up Test/Faulty BRAKELIGHT
    • TEST 28A - Brakelight Set Up Test/Faulty Brakelight
    • TEST 28B - Brake Set Up Test/Faulty Brakelight
  • Test 29 - All BRAKELIGHTS Out
    • TEST 29A - All Brakelights Out
    • TEST 29B - All Brakelights Out
    • TEST 29C - All Brakelights Out
  • Test 30 - Right BRAKELIGHTS Out
    • TEST 30A - Right Brakelights Out
  • Test 31 - Left BRAKELIGHTS Out
    • TEST 31A - Left Brakelights Out
  • Test 33 - Right BRAKELIGHT Out
    • TEST 33A - Right Brakelight Out
  • Test 34 - Left BRAKELIGHT Out
    • TEST 34A - Left Brakelight Out
  • Test 35 - Left BRAKELIGHT Out
    • TEST 35A - Left Brakelight Out
  • Test 36 - Faulty Low Oil Level Message
    • TEST 36A - Faulty Low Oil Level Message
  • Test 37 - Faulty Coolant Level Message
    • TEST 37A - Faulty Coolant Level Message
  • Test 38 - Driver's Door Ajar
    • TEST 38A - Driver's Door Ajar
    • TEST 38B - Door Ajar With Vehicle Theft Alarm
  • Test 39 - Left Rear Door Ajar Circuit
    • TEST 39A - Left Rear Door Ajar Circuit
    • TEST 39B - Door Ajar With Vehicle Theft Alarm
  • Test 40 - Right Front Door Ajar Circuit
    • TEST 40A - Right Front Door Ajar Circuit
    • TEST 40B - Door Ajar Circuit With Vehicle Theft Alarm
  • Test 41 - Right Rear Door Ajar Circuit
    • TEST 41A - Right Rear Door Ajar Circuit
    • TEST 41B - Door Ajar Circuit With Vehicle Theft Alarm
  • Test 42 - Exterior Lights On Message
    • TEST 42A - Exterior Lights On Message
  • Test 43 - Fasten Seat Belt Message
    • TEST 43A - Fasten Seat Belt Message
  • Test 44 - Headlight System/Right Headlight Out
    • TEST 44A - Headlight System/Right Headlight Out
    • TEST 44B - Left Headlight Out
  • Test 45 - Both Low Beam Headlights Out
    • TEST 45A - Both Low Beam Headlights Out
    • TEST 45B - Faulty Headlight Feed Circuit
  • Test 46 - Faulty Headlight Out Message
    • TEST 46A - Faulty Headlight Out Message
  • Test 47 - Key In Ignition
    • TEST 47A - Key In Ignition
    • TEST 47B - Key In Ignition
  • Test 48 - Low Brake Fluid Message (Without) Anti-Lock Brakes)
    • TEST 48A - Low Brake Fluid Message (Without) Anti-Lock Brakes)
  • Test 49 - Fuel Level Sensor Circuit
    • TEST 49A - Fuel Level Sensor Circuit
  • Test 50 - Oil Pressure Sensor Circuit
    • TEST 50A - Oil Pressure Sensor Circuit
    • TEST 50B - Oil Pressure Sensor Circuit
  • Test 51 - Faulty Park Brake Message
    • TEST 51A - Faulty Park Brake Message
  • Test 52 - Taillight Out/Faulty Taillight Out Message
    • TEST 52A - Taillight Out/Faulty Taillight Out Message
  • Test 53 - Faulty Taillight Out Message
    • TEST 53A - Faulty Taillight Out Message
  • Test 54 - Right Taillight Out
    • TEST 54A - Right Taillight Out
  • Test 55 - Left Taillight Out Message
    • TEST 55A - Left Taillight Out Message
  • Test 56 - All Taillights 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 57 - Trunk Ajar Switch Circuit
    • TEST 57A - Trunk Ajar Switch Circuit
  • Test 58 - Faulty Turn Signal On Circuit
    • TEST 58A - Faulty Turn Signal On Circuit
  • Test 59 - Washer Fluid Switch Circuit
    • TEST 59A - Washer Fluid Switch Circuit
  • Test 60 - Headlight Door System
    • 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 61 - Headlight Doors Do Not Operate By Headlight Switch
    • TEST 61A - Headlight Doors Do Not Operate By Headlight Switch
  • Test 62 - Headlight Doors Will Not Open
    • TEST 62A - Headlight Doors Will Not Open
    • TEST 62B - Headlight Doors Will Not Open
  • Test 63 - Headlight Doors Will Not Open
    • TEST 63A - Headlight Doors Will Not Open
  • Test 64 - Headlight Doors Will Not Close
    • TEST 64A - Headlight Doors Will Not Close
    • TEST 64B - Headlight Doors Will Not Close
    • TEST 64C - Headlight Doors Will Not Close
  • Test 65 - Headlight Doors Will Not Open For Flash To Pass
    • TEST 65A - Headlight Doors Will Not Open For Flash To Pass
  • Test 66 - Faulty Warning Light On Mechanical Cluster
    • TEST 66A - Faulty Warning Light On Mechanical Cluster
  • Test 67 - Repairing Faulty Seat Belt Warning Light On Mechanical Cluster
    • TEST 67A - Repairing Faulty Seat Belt Warning Light On Mechanical Cluster
  • Test 68 - Faulty Low Fuel Light On Mechanical Cluster
    • TEST 68A - Faulty Low Fuel Light On Mechanical Cluster
  • Test 69 - Faulty Check Light On Mechanical Cluster
    • TEST 69A - Faulty Check Light On Mechanical Cluster
    • TEST 69B - Faulty Check Light On Mechanical Cluster
  • Test 70 - Faulty Door Ajar Circuit With Visual Message Center
    • TEST 70A - Faulty Door Ajar Circuit With Visual Message Center
  • Test 71 - Driver's Door Ajar With Visual Message Center
    • TEST 71A - Driver's Door Ajar With Visual Message Center
    • TEST 71B - Driver's Door Ajar With Visual Message Center
    • TEST 71C - Driver's Door Ajar With Visual Message Center
  • Test 72 - Left Rear Door Ajar With Visual Message Center
    • TEST 72A - Left Rear Door Ajar With Visual Message Center
    • TEST 72B - Left Rear Door Ajar With Visual Message Center
    • TEST 72C - Left Rear Door Ajar With Visual Message Center
  • Test 73 - Right Front Door Ajar With Visual Message Center
    • TEST 73A - Right Front Door Ajar With Visual Message Center
    • TEST 73B - Right Front Door Ajar With Visual Message Center
    • TEST 73C - Driver's Door Ajar With Visual Message Center
  • Test 74 - Right Rear Door Ajar With Visual Message Center
    • TEST 74A - Right Rear Door Ajar With Visual Message Center
    • TEST 74B - Right Rear Door Ajar With Visual Message Center
    • TEST 74C - Driver's Door Ajar With Visual Message Center
  • Test 75 - Intermittent Wipers
    • TEST 75A - Intermittent Wipers
    • TEST 75B - Intermittent Wipers
    • TEST 75C - Intermittent Wipers
  • Test 76 - Intermittent Wiper Park Circuit
    • TEST 76A - Intermittent Wiper Park Circuit
  • Test 77 - Washer Pump Circuit
    • TEST 77A - Washer Pump Circuit
• Verification Test
  • Test VER-1 - Verification Of Repairs
• Vehicle Communications Tests
  • Test 1 - Blank DRB-II Message Screen
    • TEST 1A - Blank DRB-II Message Screen
    • TEST 1B - Blank DRB-II Message Screen
  • Test 2 - Ram Test Error
    • TEST 2A - RAM Test Error
  • Test 3 - ROM Checksum Error
    • TEST 3A - ROM Checksum Error
  • Test 4 - Keypad Test Failure Message
    • TEST 4A - Keypad Test Failure Message
  • Test 5 - Testing DRB-II
    • TEST 5A - Testing DRB-II
  • Verification Test 6A
  • Test 23 - Bus Failure Messages
    • TEST 23A - BUS Failure Messages
  • Test 24 - Short To Battery On Bus
    • TEST 24A - Short To Battery On BUS
    • TEST 24B - Short To Battery On BUS
    • TEST 24C - Short To Battery On BUS
  • Test 25 - Short To 5 Volts On Bus
    • TEST 25A - Short To 5 Volts On BUS
  • Test 26 - Short To Ground On Bus
    • TEST 26A - Short To Ground On BUS
  • Test 27 - Testing For Bus (+) & (-) Shorted Together On Bus
    • TEST 27 - Testing For BUS (+) & (-) Shorted Together On BUS
  • Test 28 - No Termination On Bus
    • TEST 28A - No Termination On BUS
  • Test 29 - Bus Bias Level Too Low On Bus
    • TEST 29A - BUS Bias Level Too Low On BUS
    • TEST 29B - BUS Bias Level Too Low On BUS
  • Test 30 - Bus Bias Level Too High On Bus
    • TEST 30A - Bus Bias Level Too High On Bus
    • TEST 30B - BUS Bias Level Too High On BUS
  • Test 31 - No Bus Bias On Bus
    • TEST 31A - No BUS Bias On BUS
  • Test 32 - Bus (+) Open On Bus
    • TEST 32A - BUS (+) Open On BUS
  • Test 33 - Bus (-) Open On Bus
    • TEST 33A - BUS (-) Open On BUS
  • Test 34 - Bus (+) & Bus (-) Open On Bus
    • TEST 34A - BUS (+) & BUS (-) Open On BUS
  • Test 35 - Not Receiving Bus Messages Correctly On Bus
    • TEST 35A - Not Receiving BUS Messages Correctly On BUS
  • Test 36 - No Response Messages
    • TEST 36A - No Response Messages
  • Test 37A - Testing Elect. Instrument Cluster For No Response
    • TEST 37A - Testing Electronic Instrument Cluster For No Response
    • TEST 37B - Testing Electronic Instrument Cluster For No Response
    • TEST 37C - Testing Electronic Instrument Cluster For No Response
  • Test 38 - Testing Engine Node For No Response
    • TEST 38A - Testing Engine Node For No Response
  • Test 39 - Testing Electronic Vehicle Information Center (EVIC) For No Response
    • TEST 39A - Testing Electronic Vehicle Information Center (Evic) For No Response
    • TEST 39B - Testing Electronic Vehicle Information Center (Evic) For No Response
  • Test 40 - Testing Body Controller For No Response
    • TEST 40A - Testing Body Controller For No Response
  • Test 41A - Testing Single Board Engine Controller (SBEC) For No Response
    • TEST 41A - Testing Single Board Engine Controller (SBEC) For No Response