Wiper/Washer Diagnostic System Check
Step
| Action
| Normal
Result(s)
| Abnormal
Result(s)*
|
1
|
- Turn the ignition switch to the ON position.
- Leave the Wiper Switch in the OFF position.
- Depress the washer switch for 2 to 4 seconds and release.
|
- Wipers operate at low speed.
- Washer sprays windshield as long as washer switch is held in the
ON position.
- After releasing switch, washer stops and wipers return to park
position after 2 to 4 sweeps.
| Washer Pump Inoperative.
|
2
|
- Move the wiper switch to the INT position.
- Rotate the INT ADJ switch from the high to low delay position.
|
- Wipers make one complete sweep, then pause before making next
sweep.
- The pause time is adjusted by turning the INT ADJ switch through
the delay range.
| Wiper Intermittent
Mode Inoperative.
|
3
|
- Leave the wiper switch in the INT position.
- Depress the washer switch for 2 to 4 seconds and release.
|
- Washer sprays windshield as long as washer switch is held in the
ON position.
- Wipers run at low speed while spraying and continue for 2 to 4
sweeps after washer switch is released.
- Wipers then return to pulse operation.
|
• | Washer Pump Inoperative. |
• | Wiper Intermittent Mode Inoperative. |
|
4
| Move the wiper switch to the
LO position.
| Wipers
run continuously at low speed.
|
• | Wiper Operates Only In High Speed. |
• | Wiper Motor Inoperative (All Modes). |
|
5
| Move the wiper switch to the
HI position.
| Wipers
run continuously at high speed.
| Wiper Motor Inoperative (All Modes).
|
6
| Move the wiper switch to the OFF position.
| Wipers return to the park position at low speed.
|
• | Wiper Does Not Shut Off. |
• | Wiper Shuts Off but Blades Do Not Park. |
|
7
| Move the wiper switch to the
MIST position and then release.
| Wipers make one complete sweep, then return to the park position.
|
• | Wiper Does Not Shut Off. |
• | Wiper Shuts Off but Blades Do Not Park. |
• | Wiper Motor Inoperative (All Modes). |
|
* Refer to the appropriate symptom diagnostic table for the applicable
abnormal result.
|