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 17 (A/C-HEATER SYSTEM - AUTOMATIC)TESTINGVEHICLE EQUIPMENT & SYSTEM PROBLEM ID
1994 Plymouth Sundance Base, 2D Hatchback, 2.2 D, Automatic
Vehicle Equipment & System Problem Id
1994 Plymouth Sundance Base, 2D Hatchback, 2.2 D, AutomaticSECTION Vehicle Equipment & System Problem Id
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.
- Connect DRB to data link (diagnostic) connector. See Figure . Turn ignition on. With DRB, select body system. If DRB does not display BUS OPERATIONAL message, check body control computer for bus failure messages. See appropriate article in ENGINE PERFORMANCE section. If BUS OPERATIONAL message is displayed, go to next step.
- Select body controller. Select ATC system. If DRB displays NO RESPONSE, go to TEST 18A: IGNITION SWITCH OUTPUT CIRCUIT. If NO RESPONSE is not displayed, go to TEST 17A: AUTOMATIC TEMPERATURE CONTROL.
NOTE:
See TEST 17A and TEST 18A in TROUBLE SHOOTING section.
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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.