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 DUSTER, 2D HATCHBACK, 3.0 3, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - BASIC TESTINGIGNITION CHECKSDIRECT IGNITION SYSTEM (3.3L & 3.5L)NO-START TEST
1994 Plymouth Sundance Duster, 2D Hatchback, 3.0 3, Automatic
No-Start Test
1994 Plymouth Sundance Duster, 2D Hatchback, 3.0 3, AutomaticSECTION No-Start Test
- Ensure battery is fully charged (at least 12.6 volts). Disconnect coil electrical connector. Connect a test light to coil electrical connector terminal B+ (Dark Green/Black wire). See Fig 1 .
- Turn ignition switch to ON position. Test light should momentarily flash on and off. If test light does not momentarily flash on and off, ASD relay has failed to energize. Check ASD relay and related circuits. See appropriate TESTS W/CODES article in the ENGINE PERFORMANCE section listed below.
- If test light momentarily flashes on and off, PCM has grounded Auto Shutdown (ASD) relay. Go to next step. DO NOT turn ignition off at this time.
- Crank engine, and observe test light. If ignition was turned off at end of step 3), turn ignition switch to ON position, wait for test light to flash once, and then crank engine.
- If test light momentarily flashes during cranking, engine controller is not receiving a camshaft sensor signal. Check camshaft sensor and related sensor circuits. See appropriate TESTS W/CODES article in the ENGINE PERFORMANCE section listed below.
- If test light does not flash during cranking, disconnect camshaft sensor connector. Turn ignition switch to OFF and then to ON position. Wait for test light to momentarily flash once, and then crank engine.
- If test light momentarily flashes, camshaft sensor is shorted and must be replaced. If test light does not flash, no-start condition is caused by problem in crankshaft or camshaft sensor 9-volt power supply circuit or by crankshaft sensor 5-volt output or ground circuits. See appropriate TESTS W/CODES article in the ENGINE PERFORMANCE section listed below.
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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.