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 MANUALSPLYMOUTH1994SUNDANCE BASE, 2D HATCHBACK, 2.2 D, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 18 (A/C-HEATER SYSTEM - MANUAL)TESTINGDRB PROBLEMS & ERROR MESSAGESBLANK DRB SCREEN
1994 Plymouth Sundance Base, 2D Hatchback, 2.2 D, Automatic
Blank DRB Screen
1994 Plymouth Sundance Base, 2D Hatchback, 2.2 D, AutomaticSECTION Blank DRB Screen
WARNING: This page is about a different car, the 1994 Eagle Vision, 1994 Dodge Intrepid, 1994 Chrysler New Yorker, 1994 Chrysler LHS, and 1994 Chrysler Concorde. However, it is still accessible from the selected car via links, so may be relevant.
- Turn ignition off. Disconnect DRB from data link connector. Using an external voltmeter, check voltage at data link connector Pink wire. If voltage is greater than 10 volts, go to step 3).
- If voltage is less than 10 volts, remove fuse No. 13 from fuse/relay block (located behind end cover at left side of instrument panel). Replace fuse if blown. If fuse blows, repair data link connector battery feed circuit for a short to ground.
- Using an external ohmmeter, check Black/Light Green (ground) wire resistance. If resistance is more than 5 ohms, repair open data link connector ground wire. If resistance is less than 5 ohms, go to next step.
- Substitute DRB cable with a known good cable. If DRB screen is no longer blank, DRB and cable are functioning properly. If DRB screen is still blank, go to next step.
- Substitute DRB diagnostic program cartridge with a known good cartridge. If DRB screen is no longer blank, DRB and cartridge are functioning properly. If DRB screen is still blank, replace defective DRB.
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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.