Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Wiper/Washer Schematics Connector End View Reference: Wiper/Washer Connector End Views DEFINITION: The washer pump may operate but all of the wiper motor functions are inoperative. | |||
1 | Did you review the Wiper/Washer System Description and Operation and perform the necessary inspections? | Go to Step 2 | |
2 |
Does the windshield wiper/washer system operate normally? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 |
Does the test lamp illuminate? | Go to Step 4 | Go to Step 6 |
4 | Connect a test lamp from the accessory voltage supply circuit terminal in the wiper motor harness connector to a good ground. Does the test lamp illuminate? | Go to Step 5 | Go to Step 8 |
5 | Connect a test lamp from the accessory voltage supply circuit terminal to the ground circuit terminal in the wiper motor harness connector . Does the test lamp illuminate? | Go to Step 13 | Go to Step 9 |
6 | Test the windshield wiper switch pulse delay signal circuit for an open or short to ground. Refer to Circuit Testing and to Wiring Repairs . Did you find and correct the condition? | Go to Step 15 | Go to Step 7 |
7 | Test the accessory voltage supply circuit to the windshield wiper/washer switch for an open or short to ground. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 15 | Go to Step 10 |
8 | Repair the windshield wiper motor accessory voltage supply circuit for an open or high resistance. Refer to Wiring Repairs or Connector Repairs . Is the repair complete? | Go to Step 15 | -- |
9 | Repair the windshield wiper motor ground circuit for an open or high resistance. Refer to Wiring Repairs or Connector Repairs . Is the repair complete? | Go to Step 15 | -- |
10 | Test the windshield wiper motor high speed circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 15 | Go to Step 11 |
11 | Inspect for poor connections at the windshield wiper/washer switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 15 | Go to Step 12 |
12 | Replace the windshield wiper/washer switch. Refer to Turn Signal Multifunction Switch Replacement . Is the repair complete? | Go to Step 15 | -- |
13 | Inspect for poor connections at the windshield wiper motor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 15 | Go to Step 14 |
14 | Replace the windshield wiper motor. Refer to Windshield Wiper Motor Replacement . Is the repair complete? | Go to Step 15 | -- |
15 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |