Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Wiper/Washer Schematics Connector End View Reference: Wiper/Washer Connector End Views | |||
1 | Did you perform the Wiper/Washer Diagnostic System Check? | Go to Step 2 | |
2 |
Do the windshield wipers remain in the park position? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Disconnect the harness connector of the windshield wiper/washer switch. Do the windshield wipers stop? | Go to Step 11 | Go to Step 4 |
4 | Connect a test lamp from the signal circuit of the windshield wiper/washer switch to a good ground. Does the test lamp illuminate? | Go to Step 9 | Go to Step 5 |
5 | Connect a test lamp from the supply voltage circuit of the Wiper 2 relay coil to a good ground. Does the test lamp illuminate? | Go to Step 14 | Go to Step 6 |
6 | Connect a test lamp from the control circuit of the windshield washer pump to a good ground. Does the test lamp illuminate? | Go to Step 15 | Go to Step 7 |
7 | Disconnect the Wiper 1 relay. Do the windshield wipers stop? | Go to Step 8 | Go to Step 16 |
8 | Connect a test lamp from the supply voltage circuit of the Wiper 1 relay coil to a good ground. Does the test lamp illuminate? | Go to Step 10 | Go to Step 12 |
9 | Test the signal circuit of the windshield wiper switch for a short to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 20 | Go to Step 13 |
10 | Test the supply voltage circuit of the Wiper 1 relay for a short to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 20 | Go to Step 13 |
11 | Inspect for poor connections at the windshield 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 20 | Go to Step 17 |
12 | Inspect for poor connections at the Wiper 1 relay. 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 20 | Go to Step 18 |
13 | Inspect for poor connections at the BCM. 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 20 | Go to Step 19 |
14 | Repair a short to voltage on supply voltage circuit of the Wiper 2 relay coil. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 20 | -- |
15 | Repair a short to voltage on control circuit of the windshield washer pump. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 20 | -- |
16 | Repair a short to voltage on high speed circuit of the windshield wiper motor. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 20 | -- |
17 | Replace the windshield wiper/washer switch. Refer to Windshield Wiper and Washer Switch Replacement . Did you complete the replacement? | Go to Step 20 | -- |
18 | Replace the Wiper 1 relay. Did you complete the replacement? | Go to Step 20 | -- |
19 |
Important: Perform the programming or set up procedure for the control module if required. Replace the BCM. Refer to Body Control Module Replacement in Body Control System. Did you complete the replacement? | Go to Step 20 | -- |
20 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
