Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Wiper/Washer Schematics DEFINITION: The washer pump may operate but all 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 in Wiring Systems | 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 in Wiring Systems. 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 to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 15 | Go to Step 10 |
8 | Repair the accessory voltage supply circuit for an open or high resistance. Refer to Wiring Repairs or Connector Repairs in Wiring Systems. 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 in Wiring Systems. 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 to Wiring Repairs in Wiring Systems. 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 to Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 15 | Go to Step 12 |
12 | Replace the windshield wiper/washer switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column. 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 to Connector Repairs in Wiring Systems. 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 |
