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
Turn Signal Switch Input Open
NOTE:
After making any repairs, perform BODY VERIFICATION TEST under VERIFICATION TESTS.
- Turn ignition on. Using scan tool, clear all Body Control Module (BCM) DTCs. Activate turn signals. Recheck for DTCs. If TURN SIGNAL SWITCH INPUT OPEN resets, go to next step. If TURN SIGNAL SWITCH INPUT OPEN 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. Disconnect multifunction switch 4-pin connector. For removal and installation procedures to access connector, see STEERING COLUMN SWITCHES article. Connect a fused jumper wire between multifunction switch connector terminals No. 2 (Violet/Orange wire) and No. 3 (White/Light Blue wire). Turn ignition on. Using scan tool, monitor MULTIFUNCTION switch voltage. If voltage is greater than 0.5 volt, go to next step. If voltage is 0.5 volt or less, replace multifunction switch.
- Locate and disconnect BCM connector C4 and C5. See COMPONENT LOCATIONS . See Figure and Figure . Using DVOM, measure resistance of Violet/Orange wire between multifunction switch connector terminal No. 2 and BCM connector C4 terminal No. 22. If resistance is 5 ohms or less, go to next step. If resistance is greater than 5 ohms, repair open in Violet/Orange wire.
- Using DVOM, measure resistance of White/Light Blue wire between multifunction switch connector terminal No. 3 and BCM connector C5 terminal No. 31. If resistance is 5 ohms or less, replace BCM. See BODY CONTROL MODULE under REMOVAL & INSTALLATION. If resistance is greater than 5 ohms, repair open in White/Light Blue wire.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.