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 SYSTEMINTERMITTENT WIPERS INOPERATIVE
2000 Dodge and Ram Pickup R1500, 4D Pickup Extra Cab, 5.2 Y, RWD, Automatic
Intermittent Wipers Inoperative
2000 Dodge and Ram Pickup R1500, 4D Pickup Extra Cab, 5.2 Y, RWD, AutomaticSECTION Intermittent Wipers Inoperative
- Turn ignition on. Using scan tool, select CENTRAL TIMER MODULE. If scan tool displays NO RESPONSE, go to NO RESPONSE CENTRAL TIMER MODULE under COMMUNICATIONS. If scan tool displays any CCD bus failure message, go to appropriate test under COMMUNICATIONS . If scan tool does not display NO RESPONSE or any CCD bus failure message, go to next step.
- If problem is wipers parking in wrong position, go to next step. If problem is not wipers parking in wrong position, go to step 5.
- Access wiper motor connector. Turn wipers on to low speed. Using an external voltmeter, measure voltage between ground and wiper motor switch terminal No. 2 (Dark Green wire). If voltage cycles between zero and 12 volts, go to next step. If voltage does not cycle between zero and 12 volts, replace wiper motor.
- Locate Central Timer Module (CTM). CTM is located to right side of steering column, behind knee bolster. Remove connector cover. Using an external voltmeter, measure voltage between ground and backprobe CTM 14-pin Green connector C1 terminal No. 11 (Dark Green wire). Wipers should be operating at low speed. If voltage does not cycle between zero and 12 volts, repair open Dark Green wire between CTM and wiper relay or wiper motor. If voltage cycles between zero and 12 volts, replace CTM.
- Using scan tool, monitor intermittent wiper voltage level. Rotate wiper switch from low intermittent to high intermittent level. If voltage does not change from approximately 2.5 to 12 volts, go to next step. If voltage changes from approximately 2.5 to 12 volts, replace CTM.
- Disconnect 24-pin multifunction switch connector. Using an external ohmmeter, measure resistance of White/Dark Blue wire between multifunction switch connector terminal No. 1 and CTM 14-pin Green connector C1 terminal No. 12. If resistance is less than 5 ohms, replace multifunction switch. If resistance is 5 ohms or more, repair open White/Dark Blue wire between multifunction switch and CTM.
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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.