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.
2002 Chrysler Voyager ECFACTORY OEM SERVICE PROCEDURE
Ignition Start Input Wiring
NOTE:
After making any repairs, perform BODY VERIFICATION TEST under VERIFICATION TESTS.
- Turn ignition on. Using scan tool, record and erase Front Control Module (FCM) DTCs. Turn ignition off. Start vehicle and monitor scan tool. Recheck for DTCs. If IGNITION START INPUT WIRING resets, go to next step. If IGNITION START INPUT WIRING does not reset, conditions necessary to set this DTC are not present at this time. Check for intermittent poor connections or faulty circuits and repair as necessary.
- Turn ignition off. Locate and remove FCM from Intelligent Power Module (IPM). See FRONT CONTROL MODULE under REMOVAL & INSTALLATION. Using DVOM, measure voltage between ground and FCM connector terminal No. 37. See Figure. Turn ignition on. If voltage is 10 volts or less, go to next step. If voltage is greater than 10 volts, replace FCM.
- Turn ignition off. Disconnect IPM connector C9. See Figure. Using DVOM, measure resistance between FCM connector terminal No. 37 and IPM connector C9 terminal No. 2 (IPM side of connector). If resistance is 5 ohms or less, repair open in Pink/White wire between IPM connector C9 terminal No. 2 and ignition switch connector terminal No. 3. If resistance is greater than 5 ohms, replace IPM.
Factory Service Tools
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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.
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