Body Control Computer
- Identification
- Description & Operation
- Self-Diagnostic System
- Testing
- Body Control Computer Tests
- Symptom Id Test 1A - Identifying Vehicle Equipment & System Problems
- Symptom Id Test 1B - Identifying Diagnostic Trouble Codes
- Test 29A - Diagnosing Chime System
- Test 30A - Chime Inoperative At All Times
- Test 31A - Chime Inoperative With External Lamps On
- Test 32A - Chime Inoperative With Seat Belt Unfastened
- Test 33A - Chime Inoperative With Key In Ignition
- Test 34A - Diagnosing Courtesy Lamp Circuit
- Test 35A - Courtesy Lamp System & Power Supply
- Test 35B - Courtesy Lamp Output Failure
- Test 36A - One Inoperative Courtesy Lamp
- Test 37A - Courtesy Lamps On At All Times
- Test 38A - Open Courtesy Lamp Switch Circuit
- Test 38B - Shorted Courtesy Lamp Switch Circuit
- Test 39A - Open Left Front Door Ajar Circuit
- Test 39B - Shorted Left Front Door Ajar Circuit
- Test 40A - Right Front Door Ajar Circuit
- Test 40B - Shorted Door Ajar Circuits
- Test 41A - Left Rear Door Ajar Circuit
- Test 42A - Right Rear Door Ajar Circuit
- Test 43A - Identifying Vehicle Headlight System
- Test 44A - Diagnosing Headlight Time Delay System Problems (Without Auto Headlights)
- Test 45A - Headlights Will Not Turn Off
- Test 46A - Headlight Time Delay Will Not Turn On
- Test 46B - Headlight Time Delay Will Not Turn On
- Test 47A - Identifying Headlight System Problems (With Auto Headlight System)
- Test 48A - Headlight & Parking Lamps Inoperative In Auto Mode
- Test 48B - Auto Headlight Sun Sensor Input Circuit
- Test 49A - Headlights Inoperative In Auto Mode
- Test 50A - Parking Lamps Inoperative In Auto Mode
- Test 51A - Headlights & Parking Lamps Do Not Turn Off
- Test 52A - Parking Lamps Will Not Turn Off
- Test 53A - Inoperative Illuminated Entry
- Test 54A - Identifying Instrument Cluster Problems
- Test 55A - Instrument Cluster Gauge Problem
- Test 56A - All Gauges Inoperative
- Test 56B - All Gauges Inoperative
- Test 57A - Instrument Cluster Sense Circuits
- Test 57B - Instrument Cluster Sense Circuits
- Test 58A - Identifying Warning Lamp Problems
- Test 58B - Instrument Cluster Printed Circuit Board
- Test 59A - Communication With Transmission Control Module
- Test 60A - Diagnosing Instrument Cluster Illumination Problem
- Test 60B - Parking Lamp Switch Output Circuit Short To Ground
- Test 60C - Parking Lamp Switch Output Circuit Short To Battery
- Test 61A - Parking Lamp Switch Power Supply
- Test 62A - Open Panel Lamps Driver Circuit
- Test 63A - Diagnosing Parking Lamp Switch
- Test 64A - Parking Lamp Switch Output Circuit Short To Ground
- Test 65A - Faulty Temperature Gauge/Lamp
- Test 66A - Faulty Gauge
- Test 67A - Fuel Gauge/Lamp Operation Full At All Times
- Test 67B - Inaccurate Fuel Gauge Operation
- Test 68A - Fuel Gauge/Lamp Empty At All Times
- Test 68B - Fuel Gauge/Lamp Empty At All Times
- Test 68C - Fuel Gauge/Lamp Operation
- Test 68D - Fuel Level Voltage Below 1 Volt
- Test 69A - Faulty Speedometer
- Test 70A - Oil Pressure Switch Sense Circuit Short To Ground
- Test 70B - Open Oil Pressure Switch Sense Circuit
- Test 71A - Seat Belt Switch Circuit Short To Ground
- Test 72A - Open Seat Belt Switch Circuit
- Test 73A - Diagnosing Parking Brake Warning Lamp
- Test 73B - Open Brake Fluid Level Switch Circuit
- Test 73C - Open Parking Brake Switch Circuit
- Test 73D - Open Parking Brake Switch Circuit
- Test 73E - Shorted Parking Brake Circuit
- Test 74A - Gauges Do Not Go To Zero With Key Off
- Test 75A - Identifying Key-In Lamp Problems
- Test 76A - Inoperative Key-In Lamp
- Test 77A - Key-In Lamp On Constantly
- Test 78A - Diagnosing Message Center
- Test 79A - Low Washer Fluid Lamp Circuit
- Test 79B - Inoperative Low Washer Fluid Lamp
- Test 80A - Door Ajar Lamp Circuit
- Test 81A - Diagnosing Overhead Travel Information System (OTIS)
- Test 82A - Blank Screen Or No Response Condition On OTIS
- Test 83A - OTIS Ambient Temperature Sensor
- Test 84A - OTIS Ambient Temperature Sensor
- Test 84B - Incorrect Ambient Temperature Reading
- Test 85A - Testing OTIS Mileage & Distance Functions
- Test 86A - Testing OTIS Switches
- Test 87A - Identifying Door Lock Problem
- Test 88A - All Doors Fail To Lock & Unlock From Any Switch
- Test 88B - All Doors Fail To Lock & Unlock From Any Switch
- Test 88C - Shorted Switch Circuit
- Test 89A - One Door Fails To Lock & Unlock From Any Switch
- Test 90A - All Doors Fail To Lock & Unlock From One Switch
- Test 91A - All Doors Fail To Lock From Any Switch
- Test 92A - All Doors Fail To Unlock From Any Switch
- Test 93A - Repairing Inoperative Door Lock Inhibit Switch
- Test 94A - Diagnosing Automatic Speed Sensitive Door Locks
- Test 95A - Identifying Power Door Lock & Remote Keyless Entry Problem
- Test 96A - Left Front Door Fails To Lock & Unlock From Any Switch
- Test 97A - Left Front Door Lock Problem
- Test 98A - Left Front Door Unlock Problem With Remote Keyless Entry (RKE)
- Test 99A - All Doors (Except Left Front) Fail To Lock & Unlock
- Test 100A - All Doors (Except Left Front) Fail To Lock
- Test 101A - All Doors (Except Left Front) Fail To Unlock
- Test 102A - Remote Keyless Entry Problem
- Test 102B - Problem With Remote Keyless Entry
- Test 102D - Programming RKE Transmitter
- Test 102E - Remote Keyless Entry Problem
- Test 102F - Inoperative RKE Horn Chirp
- Test 102G - Canceling RKE Horn Chirp
- Test 102H - Changing Rear Release To Single Button Depress
- Test 103A - Diagnosing Wiper System Problems
- Test 104A - Wiper Switch, Controller & Power Supply
- Test 104B - Wiper Switch Mode Sense Circuit
- Test 104C - Wiper Motor Output Circuit Short
- Test 104D - On/Off (Intermittent) Wiper Motor Relay & Control Circuit
- Test 104E - Inoperative Wiper Motor Low Speed
- Test 104F - Wiper Switch Power Supply
- Test 104G - Wiper Switch Power Supply Short To Ground
- Test 105A - Wiper Motor High Speed Operation
- Test 106A - Wiper Motor Low Speed Operation
- Test 107A - Wiper Motor Intermittent Speed Operation
- Test 108A - Open Park Switch Sense Circuit
- Test 109A - Washer Pump Operation
- Test 110A - Wipers Operate In High Speed Only
- Test 111A - Wipers Operate Constantly With Ignition On
- Test 112A - Testing Fused Ignition Switch Output To Body Control Module (BCM)
- Test 113A - Body Control Module (BCM) No Response Condition
- Test 114A - Powertrain Control Module No Response Condition
- Test 115A - Repairing Scan Tool Blank Screen
- Test 141A - Identifying Vehicle Theft Security System (VTSS) Problems
- Test 141B - Disarming VTSS System
- Test 142A - Repairing No Response Condition
- Test 143A - Repairing Ignition Circuit
- Test 144A - Repairing Horn Circuit
- Test 144B - Repairing Battery Feed Circuit
- Test 144C - Repairing Trunk Key Cylinder Switch Sense Circuit
- Test 145A - Repairing VTSS Indicator Light
- Test 145B - Repairing VTSS Indicator Light
- Test 146A - Repairing Headlight Circuit
- Test 146B - Repairing Parking Light Circuit
- Test 146C - Repairing Key In Ignition Circuit
- Test 147A - Repairing Left Front Door Ajar Switch Circuit
- Test 148A - Repairing Right Front Door Ajar Switch Circuit
- Test 149A - Repairing Right Rear Door Ajar Switch Circuit
- Test 150A - Repairing Left Rear Door Ajar Switch Circuit
- Test 151A - Door Lock Switch (Lock) Output Circuit
- Test 152A - Door Lock Switch (Unlock) Output Circuit
- Test 153A - Repairing VTSS Disarm Circuit (Left Door)
- Test 153B - Repairing VTSS Disarm Circuit
- Test 154A - Repairing VTSS Disarm Circuit (Right Door)
- Test 155A - No Response From Pcm
- Test 156A - Repairing RKE Arm Function
- Test 156B - Repairing RKE Disarm Function
- Test VER-1 - Verification Procedure
- Test VER-3A - Verification Procedure
- Vehicle Communications Tests
- Test 132A - Bus Fault Messages
- Test 133A - Bus Short To Battery
- Test 133B - Bus Short To Battery
- Test 133C - Bus Short To Battery
- Test 133D - Bus Short To Battery
- Test 133E - Bus Short To Battery
- Test 133F - Bus Short To Battery
- Test 133G - Bus Short To Battery
- Test 134A - Bus Short To 5 Volts
- Test 134B - Bus Short To 5 Volts
- Test 134C - Bus Short To 5 Volts
- Test 135A - Bus Short To Ground
- Test 136A - Bus (+) & Bus (-) Shorted Together
- Test 137A - No Termination
- Test 138A - Bus Bias Level Or Bus (+/-) Open
- Test 139A - No Bus Bias
- Test 140A - Not Receiving Bus Messages Correctly
- Wiring Diagrams