Step | Action | Values | 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 6 | Go to Step 4 |
4 |
Does the test lamp illuminate? | -- | Go to Step 5 | Go to Step 17 |
5 | Connect a test lamp from the battery voltage circuit to the ground circuit of the rear wiper motor. Does the test lamp illuminate? | -- | Go to Step 14 | Go to Step 18 |
6 |
Does the test lamp illuminate? | -- | Go to Step 7 | Go to Step 8 |
7 | Connect a 15-ampere fused jumper wire from the signal circuit of the rear wiper switch supplied to the liftglass ajar jamb switch to the signal circuit of the rear wiper switch for the rear wiper motor. Does the rear wiper motor operate? | Go to Step 15 | Go to Step 11 | |
8 |
Does the test lamp illuminate? | -- | Go to Step 9 | Go to Step 12 |
9 |
Is the resistance at or near the specified value? | 1000 ohms | Go to Step 10 | Go to Step 16 |
10 |
Is the resistance at or near the specified value? | 5 ohms | Go to Step 20 | Go to Step 16 |
11 | Test the signal circuit of the rear wiper switch from the liftglass ajar jamb switch to the rear wiper motor for an open or high resistance. 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 |
12 | Test the accessory voltage circuit of the rear wiper/washer switch 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 24 | Go to Step 13 |
13 | Test the signal circuit of the rear wiper/washer 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 19 |
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 24 | Go to Step 21 |
15 | Inspect for poor connections at the liftglass ajar jamb 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 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 23 |
17 | Repair an open or short to ground in the battery 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 | -- |
18 | 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 | -- |
19 | Repair a short to ground on 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 | -- |
20 | Repair an open or high resistance on 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 | -- |
21 | Replace the rear wiper motor. Refer to Rear Window Wiper Motor Replacement . Did you complete the replacement? | -- | Go to Step 24 | -- |
22 | Replace the liftglass ajar jamb switch. Refer to Rear Window Wiper and Washer Switch Replacement . Did you complete the replacement? | -- | Go to Step 24 | -- |
23 | Replace the rear wiper/washer switch. Refer to Rear Window Wiper and Washer Switch 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 |
