For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Wiper/Washer Schematics Connector End View Reference: Wiper/Washer Connector End Views
1 | Have you conducted Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle
2 |

1. Turn ON the ignition.
2. Turn the windshield wiper/washer switch OFF.

Are the windshield wipers always ON?

Go to Step 3

Go to Testing for Intermittent Conditions and Poor Connections

3 | Remove the WPR SW 7.5 A fuse in the underhood fuse block. Are the windshield wipers always ON? | Go to Step 4 | Go to Step 6
4 |

1. Disconnect the windshield wiper/washer module connector.
2. Test the windshield wiper motor high speed circuit for a short to voltage. Refer to Circuit Testing and to Wiring Repairs .

Do you find and correct the condition?

Go to Step 10

Go to Step 5

5 | Test the windshield wiper switch signal 1 circuit for a short to voltage. Refer to Circuit Testing and to Wiring Repairs . Do you find and correct the condition? | Go to Step 10 | Go to Step 7
6 | Check for poor connections of the windshield wiper/washer switch. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs . Do you find and correct the condition? | Go to Step 10 | Go to Step 8
7 | Check for poor connections of the windshield wiper/washer module. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs . Do you find and correct the condition? | Go to Step 10 | Go to Step 9
8 | Replace the windshield wiper/washer switch. Refer to Turn Signal Multifunction Switch Replacement . Is the trouble corrected? | Go to Step 10 | --
9 | Replace the windshield wiper/washer module. Refer to Windshield Wiper Motor Replacement . Is the trouble corrected? | Go to Step 10 | --
10 | Operate the system to verify the repair. Is the failure removed? | System OK | Go to Step 3