WINDSHIELD WIPER MOTOR CHECK
Inspect the windshield wiper motor by removing the harness connector with the motor attached
to the vehicle.Wiper motor at low or high speed operation
)
Connect the battery to the windshield wiper motor to inspect the operation of motor rotation
in low or high speed.
Wiper motor at stop position operation
)
- Connect the battery to the windshield wiper motor as shown in the illustration (A).
- Run the windshield wiper motor at low speed, then disconnect the battery in the middle of the motor turning and check to see that the motor stops.
- As shown in the illustration (B), connect the terminals of the windshield wiper motor connectors.
- Check to see that the windshield wiper motor runs at low speed and then stops at the automatic stop position.
WINDSHIELD WIPER SWITCH CHECK <L.H. DRIVE VEHICLE>
)
Check continuity between the switch terminals.
| Switch position |
Tester connection |
Specified condition |
|---|---|---|
| OFF |
6 -
11, 6 -
10, 6 - 9, 6 - 8 |
Open circuit |
| Windshield mist wiper switch |
6 -
11 |
Less than 2 ohms |
| Windshield intermittent wiper switch |
6 -
10 |
|
| Windshield low-speed wiper switch |
6 -
9 |
|
| Windshield high-speed wiper switch |
6 -
8 |
<R.H. DRIVE VEHICLE>
NOTE: The windshield wiper switch is integrated in the column-ECU, so can not be checked as
an individual part. However, its operation can be checked by the input signal check.
- Not using SWS monitor: Refer to GROUP 54B, Troubleshooting
or
GROUP 54D, Troubleshooting .
- Using SWS monitor: Refer to GROUP 54C, Troubleshooting or
GROUP 54E, Troubleshooting .
WINDSHIELD INTERMITTENT WIPER VOLUME CHECK <L.H. DRIVE VEHICLE>
)
Check that the resistance varies between 0 and 1 when the windshield intermittent volume
is turned from FAST to SLOW by after measuring resistance between connector terminals 3 and
6 at the column switch.
<R.H. DRIVE VEHICLE>
NOTE: The windshield wiper switch is integrated in the column-ECU, so can not be checked as
an individual part. However, its operation can be checked by the input signal check.
- Not using SWS monitor: Refer to GROUP 54B, Troubleshooting or
GROUP 54D, Troubleshooting .
- Using SWS monitor: Refer to GROUP 54C, Troubleshooting or
GROUP 54E, Troubleshooting .