No. 1 Wipers Do Not Operate
Flowchart No.1 Symptom Wipers do not operate
Possible cause
^ Burnt WIPER 20A fuse Open or short circuit in wiring harness
^ Damaged windshield wiper motor
^ Poor connection of connector
^ Damaged windshield wiper and washer switch
NOTE: The wiper motor circuit has a built-in circuit breaker to prevent damage to the unit. If the wipers do not operate, turn the windshield wiper switch off. After approximately 5 minutes, turn the windshield wiper switch on to verify wiper operation. If the wipers operate, the windshield wiper motor is functioning correctly (circuit breaker opened momentarily).
Fuse Location:
Action Chart:
Step 1
Check the WIPER 20A fuse in the fuse block.
Step 2
1. Turn the ignition switch to ON.
Voltmeter Connection:
Reference:
2. Measure the voltage at the terminals of the windshield wiper motor connector with the wiper switch in the following positions.
3. If correct, inspect the windshield wiper motor.
4. If not as specified, go to Step 3.
Step 3
1. Remove the column cover.
Voltmeter Connection:
Action Chart:
2. Measure the voltage at terminal J (L) of the windshield wiper and washer switch connector.
Step 4
Voltmeter Connection:
Reference:
1. Measure the voltage at the terminals of the windshield wiper and washer switch connector with the wiper switch in the following positions.
2. If correct, go to Step 5.
3. If not as specified, inspect the windshield wiper and washer switch.
Step 5
1. Turn the ignition switch to LOCK.
2. Disconnect the windshield wiper and washer switch connector.
Ohmmeter Connection:
Action Chart:
3. Check for continuity between terminal E (B) of the windshield wiper and washer switch connector and ground.