Wiper Motor: Testing and Inspection

Fig. 11 Windshield Wiper Motor Connector Pin Identification:

FRONT WIPER MOTOR
1. Inspect wiper motor low speed operation by connecting battery positive lead to terminal 2 of wiper motor connector and negative lead to terminal 6, Fig. 11.
2. Inspect wiper motor high speed operation by connecting battery positive lead to terminal 3 of wiper motor connector and negative lead to terminal 6.
3. Inspect wiper motor for proper stoppage as follows:
a. Connect battery positive lead to terminal 2 of wiper motor connector and negative lead to terminal 6.
b. After operating motor at low speed, disconnect positive lead from terminal 2.
c. Reconnect battery positive lead to terminal 4 of wiper motor connector, then connect a jumper lead between terminal 2 and 5. Ensure wiper motor stops at auto stop after operating at low speed.

Fig. 14 Rear Wiper Motor Connector Pin Identification:

REAR WIPER MOTOR
1. Inspect wiper motor operation by connecting battery positive lead to terminal 2 of wiper motor connector and negative lead to terminal 3, Fig. 14.
2. Inspect wiper motor for proper stoppage as follows:
a. After operating motor as outlined in step 1, disconnect positive lead from terminal 2.
b. Reconnect battery positive lead to terminal 1 of wiper motor connector, then install a jumper wire between terminals 2 and 4. Ensure wiper motor stops at auto stop after it has been operated.