Component Tests and General Diagnostics

1. Wipers do not operate.
a. Washer is not operative, either.
- Check multi-purpose fuse No. 10.
- Check ground.

2. Low-speed (or high-speed) wiper operation only is inoperative.
- Check wiper switch.

3. Wipers do not stop.
- Check wiper motor.
- Check intermittent wiper relay.
- Check wiper switch.

Intermittent Wiper Voltage Check:

4. Intermittent wiper operation is inoperative.
- Check terminal voltage of steering-column switch (with a built-in intermittent wiper relay) with the intermittent wiper relay energized.

5. The length of pause for intermittent operation cannot be varied.
- Check variable intermittent wiper control switch.
- Check intermittent wiper relay.

6. Washer is inoperative.
a. Wiper is operative on washer-wiper operation.
- Check washer motor.

b. Washer-wiper operation is inoperative also.
- Check washer switch.

7. Washer-wiper operation is inoperative.
- Check intermittent wiper relay.