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 in Wiring Systems | 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-ampere 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 in Wiring Systems. 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 in Wiring Systems. 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 in Wiring Systems. 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 in Wiring Systems. 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 in Wiring Systems. 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 in Wiring Systems. 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 in Wiring Systems. 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 in Wiring Systems. 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 in Wiring Systems. 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 in Wiring Systems. Did you complete the repair? | Go to Step 24 | -- |
22 | Replace the rear wiper/washer switch. Refer to Instrument Panel Multifunction Switch Assembly Replacement in Instrument Panel, Gages, and Console. 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 |
