Liftgate Washer System
- Turn ignition switch to ON position. Engage washer switch and check washer and wiper operation. If washer motor works but no fluid sprays, go to next step. If washer motor does not work but wiper is working, go to step 3 .
- Check washer fluid level, hoses and hose connections. Are all okay? If yes, check for clogged hoses. If no, replace as needed.
- Remove the liftgate washer motor connector. Apply battery voltage and ground directly to washer motor as shown. Is washer motor working? If yes, go to next step. If no, replace liftgate washer motor. See LIFTGATE WASHER PUMP under REMOVAL & INSTALLATION.
- Turn ignition switch to ON position. Check for battery voltage on Blue/Orange wire at liftgate washer motor connector. Is battery voltage present? If yes, go to next step. If no, repair Blue/Orange wire between rear wiper fuse and washer motor. See WIRING DIAGRAMS .
- Disconnect liftgate wiper switch connector. With liftgate washer switch in the ON position, check for continuity to ground at the Green/Black wire of liftgate washer switch connector. Is there continuity? If yes, repair Green/Black wire between liftgate washer switch and washer motor. See WIRING DIAGRAMS . If no, go to next step.
- Disconnect liftgate washer motor connector. Check continuity of Black wire to ground at the liftgate washer switch connector. Is there continuity? If yes, replace switch. If no, repair Black wire from liftgate washer switch to ground. See WIRING DIAGRAMS .