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 wiper motor operate when the rear washer switch is pressed? | Go to Step 10 | Go to Step 4 |
4 | Does the rear washer pump operate when the rear washer switch is pressed? | Go to Step 11 | Go to Step 5 |
5 |
Does the test lamp illuminate? | Go to Step 6 | Go to Step 12 |
6 | Connect a 20-amp fused jumper wire from the accessory voltage circuit to the signal circuit of the rear wiper switch. Does the rear wiper motor operate? | Go to Step 15 | Go to Step 7 |
7 |
Does the test lamp illuminate? | Go to Step 8 | Go to Step 18 |
8 | Connect a test lamp from the accessory voltage circuit of the rear wiper motor to a good ground. Does the test lamp illuminate? | Go to Step 9 | Go to Step 19 |
9 | Connect a test lamp from the accessory voltage circuit to the ground circuit of the rear wiper motor. Does the test lamp illuminate? | Go to Step 16 | Go to Step 20 |
10 |
Does the test lamp illuminate? | Go to Step 16 | Go to Step 18 |
11 |
Does the test lamp illuminate? | Go to Step 16 | Go to Step 21 |
12 | Test the accessory voltage circuit of the rear wiper switch for an open or a short to ground. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 24 | Go to Step 13 |
13 | Test the accessory voltage circuit of the rear wiper motor for a short to ground. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 24 | Go to Step 14 |
14 | Test the signal circuit of the rear wiper switch for a short to ground. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 24 | Go to Step 17 |
15 | Inspect for poor connections at the harness connector of the rear 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 24 | Go to Step 22 |
16 | Inspect for poor connections at the harness connector of the rear wiper motor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 24 | Go to Step 23 |
17 | Repair a short to ground in the control circuit of the rear washer pump. Refer to Circuit Testing and Wiring Repairs . Did you complete the repair? | Go to Step 24 | -- |
18 | Repair an open or high resistance in the signal circuit of the rear wiper switch. Refer to Circuit Testing and Wiring Repairs . Did you complete the repair? | Go to Step 24 | -- |
19 | Repair an open or high resistance in the accessory voltage circuit of the rear wiper motor. Refer to Circuit Testing and Wiring Repairs . Did you complete the repair? | Go to Step 24 | -- |
20 | Repair an open or high resistance in the ground circuit of the rear wiper motor. Refer to Circuit Testing and Wiring Repairs . Did you complete the repair? | Go to Step 24 | -- |
21 | Repair an open or high resistance in the control circuit of the rear washer pump. Refer to Circuit Testing and Wiring Repairs . Did you complete the repair? | Go to Step 24 | -- |
22 | Replace the rear wiper/washer switch. Refer to Turn Signal Multifunction Switch Replacement . Did you complete the replacement? | Go to Step 24 | -- |
23 | Replace the rear wiper motor. Refer to Rear Window Wiper Motor Replacement . Did you complete the replacement? | Go to Step 24 | -- |
24 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
