Washer System

Front

The diagnosis found here addresses an inoperative washer pump. If the washer pump operates, but no washer fluid is emitted from the washer nozzles, be certain to check the fluid level in the reservoir. Check for ice or other foreign material in the reservoir, and for pinched, disconnected, broken, or incorrectly routed washer system plumbing.

WARNING: ON VEHICLES EQUIPPED WITH AIR- BAGS, REFER TO AIRBAGS AND SEATBELTS/AIRBAGS BEFORE ATTEMPTING STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIR- BAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.

1. Turn the ignition switch to the On position. Turn the wiper switch to the Low or High speed position. Check whether the wipers operate. If OK, go to Step 2. If not OK, see the Windshield Wiper System diagnosis.
2. Turn the ignition switch to the Off position. Unplug the front washer pump wiring connector. Check for continuity between the ground circuit cavity of the washer pump connector and a good ground. There should be continuity If OK, go to Step 3. If not OK, repair the open circuit to ground as required.
3. Turn the ignition switch to the On position. Connector while actuating the washer switch. If OK, replace the faulty washer pump. If not OK, go to Step 4.
4. Turn the ignition switch to the Off position. Leave the front washer pump connector unplugged. Unplug the windshield wiper/washer switch connector. Check for continuity between the front washer switch output circuit cavity of the washer pump connector and a good ground. There should he no continuity If OK, go to Step 5 If not OK, repair the short circuit as required.
5. Check for continuity between the front washer switch output circuit cavities of the washer pump connector and the wiper washer switch connector There should be continuity If OK, replace the faulty switch. If not OK, repair the open circuit as required.

Rear
The diagnosis found here addresses an inoperative washer pump. If the washer pump operates, but no washer fluid is emitted from the washer nozzles, he certain to check the fluid level in the reservoir. Check for ice or other foreign material in the reservoir, and for pinched, disconnected, broken, or incorrectly routed washer system plumbing.

WARNING: ON VEHICLES EQUIPPED WITH AIR-BAGS, REFER TO AIRBAGS AND SEATBELTS/AIRBAGS BEFORE ATTEMPTING STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIR-BAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.

1. Turn the ignition switch to the On position. Place the rear wiper/washer switch in the Wipe position. Check whether the rear wiper is operating. If OK, go to Step 2. If not OK, see the Rear Wiper System diagnosis.
2. Turn the ignition switch to the Off position and unplug the rear washer pump wiring connector. Check for continuity between the ground circuit cavity of the pump connector and a good ground. There should be continuity If OK, go to Step 3. If not OK, repair the open circuit to ground as required.
3. Turn the ignition switch to the On position. Depress the rear washer switch. Check for battery voltage at the rear washer motor control circuit cavity of the rear washer pump connector. If OK, replace the faulty pump. If not OK, go to Step 4.
4. Turn the ignition switch to the Off position. Leave the rear washer pump connector unplugged.
Remove the rear wiper/washer switch and unplug the wiring connector Check for continuity between the rear washer motor control circuit cavity of the rear washer pump connector and a good ground. There should be no continuity If OK, go to Step 5. If not OK, repair the short circuit as required.
5. Check for continuity between the rear washer motor control circuit cavities of the rear washer pump connector and the rear wiper/washer switch connector. There should be continuity If OK, replace the faulty switch. If not OK, repair the open circuit as required.