Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Wiper/Washer Schematics Connector End View Reference: Component Connector End Views | |||
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 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 5 |
4 |
Does the rear wiper operate? | Go to Step 7 | Go to Step 13 |
5 |
Does the test lamp illuminate on both circuits? | Go to Step 17 | Go to Step 6 |
6 | Repair the open or short to ground in the relay supply circuit of the rear wiper relay 1. Refer to Wiring Repairs . Did you complete the repair? | Go to Step 21 | -- |
7 |
Does the rear wiper operate? | Go to Step 9 | Go to Step 8 |
8 | Test the rear wiper control circuit of the wiper/washer switch for a short to voltage or an open. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 21 | Go to Step 10 |
9 | Test the ground circuit of the wiper/washer switch for a short to voltage or an open. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 21 | Go to Step 10 |
10 | Inspect for poor connections at the harness connector of the 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 21 | Go to Step 11 |
11 | Replace the wiper/washer switch. Refer to Windshield Wiper and Washer Switch Replacement . Did you complete the replacement? | Go to Step 21 | -- |
12 | Replace the rear wiper relay 2. Did you complete the replacement? | Go to Step 21 | -- |
13 |
Does the rear wiper operate? | Go to Step 14 | Go to Step 15 |
14 | Repair the open in the wiper motor feed circuit between the rear wiper motor and the rear wiper relay 2. Refer to Wiring Repairs . Did you complete the repair? | Go to Step 21 | -- |
15 | Test the ground circuit of the rear wiper motor for a short to voltage or an open. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 21 | Go to Step 16 |
16 | Replace the rear wiper motor. Refer to Liftgate Wiper Motor Replacement . Did you complete the replacement? | Go to Step 21 | -- |
17 |
Does the test lamp illuminate? | Go to Step 18 | Go to Step 20 |
18 | Test the park control circuit between the rear wiper relay 1 and the rear wiper relay 2 for a short to ground or an open. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 21 | Go to Step 19 |
19 | Replace the rear wiper relay 1. Did you complete the replacement? | Go to Step 21 | -- |
20 | Repair the ground circuit between the rear wiper relay 1 and the glass hatch courtesy switch for a short to voltage or an open. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 21 | -- |
21 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |