Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSDODGE AND RAM1992CARAVAN LE, 3.3 R, FWDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - TESTS W/CODES - BODY CONTROL COMPUTER
1992 Dodge and Ram Caravan LE, 3.3 R, FWD
Engine Controls - Tests W/Codes - Body Control Computer
1992 Dodge and Ram Caravan LE, 3.3 R, FWDSECTION Engine Controls - Tests W/Codes - Body Control Computer
- Description
- Operation
- Self-Diagnostic System
- Diagnostic Procedure
- Self-Diagnostic Tests
- Test 1 - Identifying Vehicle Equipment & System Problems
- Test 2 - Diagnosing Auto Door Locks
- Test 3 - Diagnosing For Side Door Memory Lock
- Test 4 - Identifying Door Ajar Faults
- Test 5 - Identifying Chime Problem
- Test 6 - Diagnosing Compass/Mini-Trip Module Faults
- Test 7 - Diagnosing External Temperature Sensor
- Test 8 - Diagnosing ECO (Mpg) Function-Compass/Mini-Trip Module
- Test 9 - Diagnosing ET Function-Compass/Mini-Trip Module
- Test 10 - Diagnosing Left Pod Switch & Power Supply
- Test 11 - Check Body Controller & Wiring For Shorts To Ground
- Test 12 - Check LF Door Jamb Switch & Related Wiring For Open
- Test 13 - Check RF Door Jamb Switch & Related Wiring For Open
- Test 14 - Checking Side Jamb Switch & Related Wiring For Open
- Test 15 - Checking Left Pod Switch For Open
- Test 16 - Repairing Faulty Rear Dome & Liftgate Lamps
- Test 17 - Checking Diode Assembly & Liftgate Lamps Wiring
- Test 18 - Diagnosing Door Ajar Circuit (Left Front Door)
- Test 19 - Diagnosing Door Ajar Circuit (Right Front Door)
- Test 20 - Diagnosing Door Ajar Circuit (Side Door)
- Test 21 - Diagnosing Door Ajar Circuit (Liftgate)
- Test 22 - Electronic Instrument Cluster Diagnostics
- Test 23 - Electronic Instrument Cluster Fault Codes
- Test 24 - Elect Cluster Problems Not Identified By Codes
- Test 25 - Identifying Defective Gauge
- Test 26 - Temperature Gauge Problem
- Test 27 - 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 30 - Identifying Faulty Gauge - Elect/Mech Inst Cluster
- Test 31 - Electro/Mechanical Inst Cluster Odometer Failure
- Test 32 - Faulty Warning Light On Elect/Mech Cluster
- Test 33 - Repairing Door Ajar Warning Light
- Test 34 - Repairing Voltage Gauge Or Voltage Light Problem
- Test 35 - Repairing Temperature Gauge Problem
- Test 36 - Repairing Fuel Level Problem
- Test 37 - Headlights Will Not Turn Off
- Test 38 - Ground Supply & LF Door Illuminated Entry Circuit
- Test 39 - Diagnosing Right Front Door Illuminated Entry Circuit
- Test 40 - Checking Diode Assembly & Power Supply
- Test 41 - Identifying Intermittent Wiper Problem
- Test 42 - Checking Power & Ground Supply
- Test 43 - Checking Washer Pump Operation
- Test 44 - Diagnosing Key-In Light Circuit
- Test 45 - Diagnosing Liftgate Release
- Test 46 - Oil Pressure Sensor Circuit
- Test 47 - Diagnosing Seat Belt Warning Light Circuit
- Test 48 - 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
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.