Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Wiper/Washer Schematics Connector End View Reference: Wiper/Washer Connector End Views 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 | Go to Step 3 |
3 | Does the rear washer pump operate when the rear washer switch is pressed? | Go to Step 4 | Go to Step 8 |
4 |
Did the parameter displayed Open and the Closed accordingly? | Go to Step 5 | Go to Courtesy Lamps Always On |
5 |
Does the test lamp illuminate? | Go to Step 6 | Go to Step 9 |
6 | Connect a test lamp from the battery supply circuit terminal in the wiper motor harness connector to a good ground. Does the test lamp illuminate? | Go to Step 7 | Go to Step 10 |
7 | Connect a test lamp from the battery 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 11 |
8 | Test the rear wiper/washer switch accessory voltage supply 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 16 | Go to Step 12 |
9 | Test the rear wiper/washer switch signal circuit for an open or high resistance. Refer to Circuit Testing and to Wiring Repairs . Did you find and correct the condition? | Go to Step 16 | Go to Step 12 |
10 | Repair the rear wiper motor battery supply circuit for an open or short to ground. Refer to Circuit Testing and to Wiring Repairs . Is the repair complete? | Go to Step 16 | -- |
11 | Repair the rear wiper motor ground circuit for an open or high resistance. Refer to Circuit Testing and to Wiring Repairs . Is the repair complete? | Go to Step 16 | -- |
12 | Inspect for poor connections at the rear wiper/washer switch. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs . Did you find and correct the condition? | Go to Step 16 | Go to Step 14 |
13 | Inspect for poor connections at the rear wiper motor/module. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs . Did you find and correct the condition? | Go to Step 16 | Go to Step 15 |
14 | Replace the rear wiper/washer switch. Refer to Rear Window Wiper and Washer Switch Replacement . Is the repair complete? | Go to Step 16 | -- |
15 | Replace the rear wiper motor/module. 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 2 |