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 MANUALSDODGE AND RAM2000PICKUP R1500, 4D PICKUP EXTRA CAB, 5.2 Y, RWD, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEBODY, CAB CONTROL SYSTEMSBODY CONTROL MODULESSYSTEM TESTSWINDSHIELD WIPER SYSTEMWIPER PARK SWITCH FAILURE
2000 Dodge and Ram Pickup R1500, 4D Pickup Extra Cab, 5.2 Y, RWD, Automatic
Wiper Park Switch Failure
2000 Dodge and Ram Pickup R1500, 4D Pickup Extra Cab, 5.2 Y, RWD, AutomaticSECTION Wiper Park Switch Failure
NOTE:
It takes 8 seconds for wiper park switch failure DTC to set.
- Using scan tool, clear DTCs. Operate wipers in low speed, then intermittent mode. Reread DTCs. If WIPER PARK SWITCH FAILURE is displayed, go to next step. If WIPER PARK SWITCH FAILURE is not displayed, system is currently functioning properly.
- Turn wipers off. Turn ignition off. Ensure wipers are in park position. Disconnect wiper motor connector. Turn ignition on. Using an external voltmeter, measure voltage between ground and wiper motor harness connector terminal No. 2 (Dark Green wire). If voltage is more than 9 volts, go to next step. If voltage is 9 volts or less, replace wiper motor.
- Locate Central Timer Module (CTM). CTM is located to right side of steering column, behind knee bolster. Using an external voltmeter, measure voltage between ground and backprobe CTM 14-pin Green connector C1 terminal No. 11 (Dark Green wire). If voltage is less than 9 volts, replace CTM. If voltage is 9 volts or more, repair short to voltage in Dark Green wire between CTM and wiper relay or wiper motor.
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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.