Front Wiper Low Speed Inoperative

Possible Causes:

Testing

Turn the ignition off. Disconnect the right side Multifunction Switch harness connector. Connect a jumper wire between the Fused Ignition Switch Output circuit and the Front Wiper Motor Low Driver circuit in the Multifunction Switch harness connector. Turn the ignition on. Does the Front Wiper Motor function normally? If yes, replace the Multifunction Switch. Perform BODY VERIFICATION TEST . If no, go to next step.
Turn the ignition off. Disconnect the Front Wiper Motor harness connector. Using a 12-volt test light connected to 12-volts, check the Front Wiper Motor Ground circuit. Does the test light illuminate brightly? If yes, go to next step. If no, repair the Front Wiper Motor Ground Circuit for an open. Perform BODY VERIFICATION TEST .
Turn the ignition off. Disconnect the Front Wiper Motor harness connector. Disconnect the right side Multifunction Switch. Measure the resistance of the Front Wiper Motor Low Driver circuit. Is the resistance above 5.0 ohms? If yes, repair the Front Wiper Motor Low Driver Circuit for an open. Perform BODY VERIFICATION TEST . If no, go to next step.
Turn the ignition on. Using a 12-volt test light connected to ground, check the Front Wiper Motor Low Driver circuit. Turn the Front Wipers on to Low. Does the test light illuminate brightly? If yes, replace the Front Wiper Motor. Perform BODY VERIFICATION TEST . If no, repair the Fused B+ Output circuit for an open. Perform BODY VERIFICATION TEST .