Windshield Washer System Diagnosis
WINDSHIELD WASHER INOPERATIVE, WIPERS WORK OK
| Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
| 1 | Activate the windshield washer switch. Do the windshield wipers operate when the washer switch is activated? |
- | Go to Step 4. | Go to Step 2. |
| 2 |
Is the voltage equal to the specified value? |
11 -14V | Go to Step 8. | Go to Step 3. |
| 3 | Replace the wiper switch. Is the repair complete? |
- | System OK | - |
| 4 | Check the windshield washer fluid reservoir. Is there washer fluid in the fluid reservoir? |
- | Go to Step 6. | Go to Step 5. |
| 5 | Fill the windshield washer fluid reservoir. Is the repair complete? |
- | System OK | - |
| 6 | Check the windshield washer hoses and the nozzles. Are the windshield washer hoses and the nozzles clogged or damaged? |
- | Go to Step 7. | Go to Step 8. |
| 7 | Repair the washer hoses and the nozzles. Is the repair complete? |
- | System OK | - |
| 8 |
Is the voltage equal to the specified value? |
11 -14V | Go to Step 10. | Go to Step 9. |
| 9 | Repair an open circuit between the windshield washer pump and the windshield wiper switch. Is the repair complete? |
- | System OK | - |
| 10 | Use an ohmmeter to measure the resistance between ground and the windshield washer pump. Is the resistance equal to the specified value? |
0 | Go to Step 12. | Go to Step 11. |
| 11 | Repair the windshield washer pump ground circuit. Is the repair complete? |
- | System OK | - |
| 12 | Replace the windshield washer pump. Is the repair complete? |
- | System OK | - |