When checking for voltage, probe a grounded 12-volt test light to each terminal at a connector until it lights to verify voltage at the terminal. If the following checks fail to locate the problem, have the system diagnosed by a dealer service department or other properly equipped repair facility. If the wipers work slowly, ensure the battery is fully charged and in good condition; if so, remove the wiper motor and operate the wiper arms by hand, checking for binding linkage and pivots, lubricating or repairing as necessary before reinstalling the motor. If the wipers still operate slowly, check for loose or corroded connections, especially the ground connection, and replace the motor if all connections look okay. If the wipers fail to operate when activated, check the fuse; if the fuse is okay, connect a jumper wire between the wiper motor's ground terminal and ground, then retest. If the motor works now, repair the ground connection; if it still doesn't work, turn the wiper switch to the HI position and check for voltage at the motor. If there's voltage at the connector, remove the motor and check it off the vehicle with fused jumper wires from the battery; if it works, check for binding linkage. If the motor still doesn't work, replace it. If there's no voltage to the motor, check for voltage at the wiper control relays; if there's voltage at the relays and none at the motor, have the switch tested, and if the switch is okay, the wiper control relay is probably bad. If the interval function is inoperative, check the continuity of all wiring between the switch and the wiper control module. If the wipers fail to "park," turn the wiper switch to OFF and the ignition switch to ON, then check for voltage at the park feed wire of the wiper motor connector; if no voltage is present, check for an open circuit between the wiper motor and the fuse panel. Disconnect the cable from the negative battery terminal, remove the windshield wiper arm retaining nuts, and mark the position of each wiper arm in relation to its splined shaft before removing the arms. Remove the windshield cowl cover, disconnect the electrical connector from the windshield wiper motor, and remove the windshield wiper linkage/motor assembly by removing three bolts and sliding the assembly toward the passenger side until disengaged. Separate the windshield wiper linkage from the wiper motor, remove the mounting bolts, and grease the moving parts before installing the linkage, ensuring to align the marks made during disassembly. Reconnect the cable to the negative battery terminal, turn on the windshield wipers to verify correct operation in all modes, and then disconnect the cable again. Remove the tailgate trim panel, detach the rear window wiper arm while marking its relationship to the wiper motor shaft, and remove the protective cover for the rear window wiper motor shaft nut before disconnecting the electrical connector and removing the motor mounting bolts. Installation is the reverse of removal, and after reconnecting the cable to the negative battery terminal, turn on the rear window wiper motor to verify correct operation.
Posted by HondaPartsNow Specialist