Step | Action | Values | Yes | No |
|---|---|---|---|---|
Schematic Reference: Wiper/Washer Schematics DEFINITION: The rear wiper motor is inoperative in one or more modes, the rear washer pump may or may not operate. | ||||
1 | Did you review the Rear Wiper/Washer System Description and Operation and perform the necessary inspections? | -- | Go to Step 2 | |
2 |
Does the rear wiper/washer system operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Does the rear wiper motor operate when the rear washer switch is pressed? | -- | Go to Step 6 | Go to Step 4 |
4 |
Does the test lamp illuminate? | -- | Go to Step 5 | Go to Step 9 |
5 |
Does the test lamp illuminate? | -- | Go to Step 6 | Go to Step 10 |
6 |
Does the test lamp illuminate? | -- | Go to Step 7 | Go to Step 8 |
7 |
Is the resistance at or near the specified value? | 1000 ohms | Go to Step 14 | Go to Step 13 |
8 | Test the rear wiper switch signal circuit for an open or short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 16 | Go to Step 11 |
9 | Repair the rear wiper motor accessory voltage supply circuit for an open or short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 16 | -- |
10 | Repair the rear wiper motor ground circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 16 | -- |
11 | Test the rear wiper/washer switch accessory voltage supply circuit for an open or short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 16 | Go to Step 12 |
12 | Inspect for poor connections at the rear wiper/washer switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 16 | Go to Step 13 |
13 | Replace the rear wiper/washer switch. Refer to Windshield Wiper and Washer Switch Replacement . Is the repair complete? | -- | Go to Step 16 | -- |
14 | Inspect for poor connections at the rear wiper motor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 16 | Go to Step 15 |
15 | Replace the rear wiper motor. Refer to Rear Window Wiper Motor Replacement . Is the repair complete? | -- | Go to Step 16 | -- |
16 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
