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 RAM1995PICKUP R3500, 2D PICKUP, 8.0 W, RWD, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - TESTS W/CODES - BODY CONTROL COMPUTERSELF DIAGNOSTIC TESTSTEST 2A - BLANK SCAN TOOL MESSAGE SCREEN
1995 Dodge and Ram Pickup R3500, 2D Pickup, 8.0 W, RWD, Automatic
Test 2A - Blank Scan Tool Message Screen
1995 Dodge and Ram Pickup R3500, 2D Pickup, 8.0 W, RWD, AutomaticSECTION Test 2A - Blank Scan Tool Message Screen
NOTE:
For connector terminal identification, see CONNECTOR IDENTIFICATION in appropriate TESTS W/CODES
article below. For appropriate wiring diagram, see WIRING DIAGRAMS
section. Perform TEST VER-1 after each repair.
- TESTS W/CODES - 3.9L
- TESTS W/CODES - 5.2L GASOLINE
- TESTS W/CODES - 5.9L GASOLINE
- Turn ignition off. Disconnect scan tool from Data Link Connector (DLC). Using an external ohmmeter, check for a good ground circuit in DLC. See DATA LINK CONNECTOR POWER & GROUND IDENTIFICATION table. If ground circuit is okay, go to next step. If ground circuit is not okay, repair as necessary. Perform TEST VER-1.
- Turn ignition on. Using an external voltmeter, check for battery voltage in DLC, on wire identified in DATA LINK CONNECTOR POWER & GROUND IDENTIFICATION table. If battery voltage is not present, go to next step. If battery voltage is present, go to step 4).
- Check appropriate fuse identified in DATA LINK CONNECTOR FUSE IDENTIFICATION table. If fuse is blown, replace fuse. Perform TEST VER-1. If fuse is not blown, inspect and repair wiring as necessary. Perform TEST VER-1.
- Try a different scan tool cable. If scan tool screen is no longer blank, replace defective scan tool cable. Perform TEST VER-1. If scan tool screen is still blank, try a different scan tool. If scan tool screen is no longer blank, replace defective scan tool. Perform TEST VER-1.
DATA LINK CONNECTOR POWER & GROUND IDENTIFICATION
| Model | Power Circuit | Ground Circuit | |
|---|---|---|---|
| Ram Pickup | |||
| PCM DLC | Light Green/Black | Black/Tan | |
| Air Bag/ABS DLC | Pink | Black | |
| Ram Van/Wagon | |||
| PCM DLC | Dark Blue | Black/Tan | |
| Air Bag/ABS DLC | Pink | Black | |
DATA LINK CONNECTOR FUSE IDENTIFICATION
| Model | Location | Fuse | |||
|---|---|---|---|---|---|
| Ram Pickup | |||||
| PCM DLC | Inst. Panel Fuse Block | No. 9 | |||
| Air Bag/ABS DLC | Inst. Panel Fuse Block | No. 17 | |||
| Ram Van/Wagon | |||||
| PCM DLC | (1) | (1) * | |||
| Air Bag/ABS DLC | Inst. Panel Fuse Block | No. 17 | |||
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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.