Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Wiper/Washer Schematics Connector End View Reference: Wiper/Washer Connector End Views DEFINITION: The windshield washer pump is always on. | |||
1 | Did you perform the Diagnostic System Check - Wiper/Washer? | Go to Step 2 | |
2 |
Is the windshield washer pump always on? | Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems |
3 | Are the windshield wipers always on? | Go to Step 6 | Go to Step 4 |
4 | Remove the windshield washer relay from the underhood fuse block. Refer to Relay Replacement in Wiring Systems. Is the windshield washer pump on? | Go to Step 13 | Go to Step 5 |
5 | Connect a test lamp from battery positive voltage to the windshield washer relay control circuit terminal in the underhood fuse block. Does the test lamp illuminate? | Go to Step 8 | Go to Step 10 |
6 |
Does the test lamp illuminate? | Go to Step 9 | Go to Step 7 |
7 | Measure resistance between the windshield wiper switch voltage supply circuit and the signal 1 circuit. Refer to Circuit Testing in Wiring Systems. Is the resistance less than 380 ohms? | Go to Step 11 | Go to Step 12 |
8 | Test the windshield washer relay control circuit for a short to ground. Refer to Testing for Short to Ground and to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 17 | Go to Step 12 |
9 | Test the windshield wiper switch signal 1 circuit for a short to voltage. Refer to Testing for a Short to Voltage and to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 17 | Go to Step 11 |
10 | Inspect for poor connections at the windshield washer relay. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 17 | Go to Step 14 |
11 | Inspect for poor connections at the windshield wiper/washer switch. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 17 | Go to Step 15 |
12 | Inspect for poor connections at the windshield wiper motor. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 17 | Go to Step 16 |
13 | Repair the short to voltage in the windshield washer pump control circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 17 | -- |
14 | Replace the windshield washer relay. Refer to Relay Replacement in Wiring Systems. Did you complete the replacement? | Go to Step 17 | -- |
15 | Replace the windshield wiper/washer switch. Refer to Turn Signal Multifunction Switch Replacement in Steering Wheel and Column. Did you complete the replacement? | Go to Step 17 | -- |
16 | Replace the windshield wiper motor. Refer to Windshield Wiper Motor Replacement . Did you complete the replacement? | Go to Step 17 | -- |
17 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
