Engine Controls - Tests W/Codes - Body Control Computer

• Description
• Operation
  • Description
  • Body Control Computer
  • CCD Bus
• Self-Diagnostic System
  • Pretest Inspection
• Diagnostic Procedure
  • Notes
  • DRB-II Key Functions
    • YES Or Down Arrow & NO Or Up Arrow
    • ATM Key
    • ENTER Key
    • F3 Key
    • 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
  • Electronic Instrument Cluster (EIC) Actuator Tests
  • DRB-II Problems & Error Messages
  • Connector Identification
• Self-Diagnostic Tests
  • Test 1 - Identifying Vehicle Equipment & System Problems
    • TEST 1A - Identifying Vehicle Equipment & System Problems
  • Test 2 - Diagnosing Auto Door Locks
    • TEST 2A - Diagnosing Auto Door Locks
    • TEST 2B - Diagnosing Lock Input To Body Controller
    • TEST 2C - Diagnosing For Open Auto Door Locks Circuit
  • Test 3 - Diagnosing For Side Door Memory Lock
    • TEST 3A - Diagnosing For Side Door Memory Lock
  • Test 4 - Identifying Door Ajar Faults
    • TEST 4A - Identifying Door Ajar Faults
  • Test 5 - Identifying Chime Problem
    • TEST 5A - Identifying Chime Problem
    • TEST 5B - Diagnosing Key In Ignition Circuit
    • TEST 5C - Diagnosing Turn Signal Input To Body Controller For Chime Function
    • TEST 5D - Diagnosing Turn Signal Input To Body Controller For Chime Function
  • Test 6 - Diagnosing Compass/Mini-Trip Module Faults
    • TEST 6A - Diagnosing Compass/Mini-Trip Module Faults
    • TEST 6B - Diagnosing Blank Screen Compass/Mini-Trip Module
    • TEST 6C - Diagnosing Blank Screen/Buttons On Compass/Mini-Trip Module
  • Test 7 - Diagnosing External Temperature Sensor
    • TEST 7A - Diagnosing External Temperature Sensor
  • Test 8 - Diagnosing ECO (Mpg) Function-Compass/Mini-Trip Module
    • TEST 8A - Diagnosing ECO (MPG) Function-Compass/Mini-Trip
  • Test 9 - Diagnosing ET Function-Compass/Mini-Trip Module
    • TEST 9A - Diagnosing Estimated Time (ET) Function-Compass/Mini-Trip Module
  • Test 10 - Diagnosing Left Pod Switch & Power Supply
    • TEST 10A - Diagnosing Left Pod Switch & Power Supply
    • TEST 10B - Checking Power & Ground Supply
    • TEST 10C - Checking Wiring & Body Controller For Shorts
  • Test 11 - Check Body Controller & Wiring For Shorts To Ground
    • TEST 11A - Checking Body Controller & Wiring For Shorts To Ground
  • Test 12 - Check LF Door Jamb Switch & Related Wiring For Open
    • TEST 12A - Checking Left Front Door Jamb Switch & Related Wiring For Open
    • TEST 12B - Checking Ground Supply & Diode Assembly For Open
  • Test 13 - Check RF Door Jamb Switch & Related Wiring For Open
    • TEST 13A - Checking Right Front Door Jamb Switch & Related Wiring For Open
  • Test 14 - Checking Side Jamb Switch & Related Wiring For Open
    • TEST 14A - Checking Side Door Jamb Switch & Related Wiring For Open
  • Test 15 - Checking Left Pod Switch For Open
    • TEST 15A - Checking Left Pod Switch For Open
  • Test 16 - Repairing Faulty Rear Dome & Liftgate Lamps
    • TEST 16A - Repairing Faulty Rear Dome & Liftgate Lamps
    • TEST 16B - Checking Liftgate Latch Switch & Related Wiring For Shorts
    • TEST 16C - Checking Liftgate Latch Switch & Related Wiring For Open
  • Test 17 - Checking Diode Assembly & Liftgate Lamps Wiring
    • TEST 17A - Checking Diode Assembly & Liftgate Lamps Wiring
  • Test 18 - Diagnosing Door Ajar Circuit (Left Front Door)
    • TEST 18A - Diagnosing Door Ajar Circuit (Left Front Door)
  • Test 19 - Diagnosing Door Ajar Circuit (Right Front Door)
    • TEST 19A - Diagnosing Door Ajar Circuit (Right Front Door)
  • Test 20 - Diagnosing Door Ajar Circuit (Side Door)
    • TEST 20A - Diagnosing Door Ajar Circuit (Side Door)
  • Test 21 - Diagnosing Door Ajar Circuit (Liftgate)
    • TEST 21A - Diagnosing Door Ajar Circuit (Liftgate)
  • Test 22 - Electronic Instrument Cluster Diagnostics
    • TEST 22A - Electronic Instrument Cluster Diagnostics
    • TEST 22B - Repairing Electronic Instrument Cluster (Power Up Upon Entry)
  • Test 23 - Electronic Instrument Cluster Fault Codes
    • TEST 23A - Electronic Instrument Cluster Fault Codes
  • Test 24 - Elect Cluster Problems Not Identified By Codes
    • TEST 24A - Electronic Instrument Cluster Problems Not Identified By Fault Codes
    • TEST 24B - Electronic Instrument Cluster Odometer Problem
    • TEST 24C - Electronic Instrument Cluster Switch Test
  • Test 25 - Identifying Defective Gauge
    • TEST 25A - Identifying Defective Gauge
  • Test 26 - Temperature Gauge Problem
    • TEST 26A - Temperature Gauge Problem
  • Test 27 - Faulty Warning Light
    • TEST 27A - Faulty Warning Light
  • Test 28 - Elect Cluster Or Compass/Mini-Trip ILLUM Test
    • TEST 28A - Electronic Cluster Or Compass/Mini-Trip Illumination Test
    • TEST 28B - Electronic Instrument Cluster Or Compass/Mini-Trip Illumination Test
    • TEST 28C - Electronic Instrument Cluster Or Compass/Mini-Trip Illumination Test
    • TEST 28D - Electronic Instrument Cluster Or Compass/Mini-Trip Illumination Test
    • TEST 28E - Electronic Instrument Cluster Or Compass/Mini-Trip Illumination Test
    • TEST 28F - Electronic Instrument Cluster Or Compass/Mini-Trip Illumination Test
    • TEST 28G - Electronic Instrument Cluster Or Compass/Mini-Trip Illumination Test
  • Test 29 - Electro/Mechanical Instrument Cluster Diagnostics
    • TEST 29A - Electro/Mechanical Instrument Cluster Diagnostics
  • Test 30 - Identifying Faulty Gauge - Elect/Mech Inst Cluster
    • TEST 30A - Identifying Faulty Gauge On Electro/Mechanical Instrument Cluster
    • TEST 30B - Repairing Faulty Gauge On Electro/Mechanical Instrument Cluster
    • TEST 30C - Repairing Faulty Instrument Cluster
  • Test 31 - Electro/Mechanical Inst Cluster Odometer Failure
    • TEST 31A - Electro/Mechanical Instrument Cluster Odometer Failure
  • Test 32 - Faulty Warning Light On Elect/Mech Cluster
    • TEST 32A - Identifying Faulty Warning Light On Premium Electro/Mechanical Instrument Cluster
    • TEST 32B - Identifying Faulty Warning Light On Base Electro/Mechanical Instrument Cluster
    • TEST 32C - Repairing Faulty Warning Light Condition
  • Test 33 - Repairing Door Ajar Warning Light
    • TEST 33A - Repairing Door Ajar Warning Light
  • Test 34 - Repairing Voltage Gauge Or Voltage Light Problem
    • TEST 34A - Repairing Voltage Gauge Or Voltage Light Problem
  • Test 35 - Repairing Temperature Gauge Problem
    • TEST 35A - Repairing Temperature Gauge Problem
  • Test 36 - Repairing Fuel Level Problem
    • TEST 36A - Repairing Fuel Level Problem
  • Test 37 - Headlights Will Not Turn Off
    • TEST 37A - Headlights Will Not Turn Off
    • TEST 37B - Headlight Time Delay Inoperative
  • Test 38 - Ground Supply & LF Door Illuminated Entry Circuit
    • TEST 38A - Diagnosing Ground Supply & Left Front Door Illuminated Entry Circuit
    • TEST 38B - Diagnosing Left Front Door Illuminated Entry Circuit
    • TEST 38C - Testing Power Supply To Body Controller
  • Test 39 - Diagnosing Right Front Door Illuminated Entry Circuit
    • TEST 39A - Diagnosing Right Front Door Illuminated Entry Circuit
  • Test 40 - Checking Diode Assembly & Power Supply
    • TEST 40A - Checking Diode Assembly & Power Supply
  • Test 41 - Identifying Intermittent Wiper Problem
    • TEST 41A - Identifying Intermittent Wiper Problem
    • TEST 41B - Checking Controller & Wiper Switch
    • TEST 41C - Checking Power & Ground Supply
  • Test 42 - Checking Power & Ground Supply
    • TEST 42A - Checking Power & Ground Supply
  • Test 43 - Checking Washer Pump Operation
    • TEST 43A - Checking Washer Pump Operation
  • Test 44 - Diagnosing Key-In Light Circuit
    • TEST 44A - Diagnosing Key-In Light Circuit
    • TEST 44B - Checking For Key-In Light Short
    • TEST 44C - Diagnosing Door Jamb Circuit For Ignition Key Light
  • Test 45 - Diagnosing Liftgate Release
    • TEST 45A - Diagnosing Liftgate Release
    • TEST 45B - Diagnosing Liftgate Release
    • TEST 45C - Diagnosing Liftgate Release
  • Test 46 - Oil Pressure Sensor Circuit
    • TEST 46A - Oil Pressure Sensor Circuit
    • TEST 46B - Oil Pressure Sensor Circuit
    • TEST 46C - Oil Pressure Sensor Circuit
  • Test 47 - Diagnosing Seat Belt Warning Light Circuit
    • TEST 47A - Diagnosing Seat Belt Warning Light Circuit
    • TEST 47B - Checking For Short In Seat Belt Warning Light Circuit
    • TEST 47C - Checking For Open In Seat Belt Switch Circuit
    • TEST 47D - Checking For Short In Seat Belt Switch Circuit
  • Test 48 - Repairing Faulty Washer Fluid Level Switch
    • TEST 48A - Repairing Faulty Washer Fluid Level Switch
  • - Verification Of Repairs
• Vehicle Communications Tests
  • Test 1A - Blank DRB-II Message Screen
  • Test 1B - Blank DRB-II Message Screen
  • Test 2A - Ram Test Error
  • Test 3A - ROM Checksum Error
  • Test 4A - Keypad Test Failure Message
  • Test 5A - Testing DRB-II
  • Test 7A - Bus Failure Messages
  • Test 8A - Short To Battery On Bus
  • Test 8B - Short To Battery On Bus
  • Test 8C - Short To Battery On Bus
  • Test 9A - Short To 5 Volts On Bus
  • Test 10A - Short To Ground On Bus
  • Test 11A - Bus (+) & (-) Shorted Together On Bus
  • Test 12A - No Termination On Bus
  • Test 13A - Bus Bias Level Too Low On Bus
  • Test 13B - Bus Bias Level Too Low On Bus
  • Test 14A - Bus Bias Level Too High On Bus
  • Test 14B - Bus Bias Level Too High On Bus
  • Test 15A - No Bus Bias On Bus
  • Test 16A - Bus (+) Open On Bus
  • Test 17A - Bus (-) Open On Bus
  • Test 18A - Bus (+) & Bus (-) Open On Bus
  • Test 19A - Not Receiving Bus Messages Correctly On Bus
  • Test 20A - No Response Messages
  • Test 21A - Testing Electronic Instrument Cluster For No Response
  • Test 21B - Testing Electronic Instrument Cluster For No Response
  • Test 22A - Testing Compass/Mini-Trip Module For No Response
  • Test 23A - Testing Body Controller For No Response
  • Test 23B - Testing Body Controller For No Response
  • Test 24A - Testing Single Board Engine Controller (SBEC) For No Response
• Wiring Diagrams