Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Wiper/Washer Schematics DEFINITION: This table diagnoses the washer pump inoperative and assumes that the wipers operate normally. | |||
1 | Did you review the Wiper/Washer System Description and Operation and perform the necessary inspections? | Go to Step 2 | |
2 |
Do the washers operate normally? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Does the test lamp illuminate? | Go to Step 4 | Go to Step 8 |
4 |
Did you measure a high resistance or an open? | Go to Step 9 | Go to Step 7 |
5 |
Does the washer switch test open when the washer switch is pulled to the wash position? | Go to Step 6 | Go to Step 9 |
6 | Inspect for poor connections at the harness connector of the 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 12 | Go to Step 10 |
7 | Inspect for poor connections at the harness connector of the washer pump. 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 12 | Go to Step 11 |
8 | Repair the open in the voltage supply circuit of the washer pump. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 12 | -- |
9 | Repair the open in the ground circuit between cavity 1 of the windshield washer pump connector and ground. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 12 | -- |
10 | Replace the wiper/washer switch. Refer to Windshield Wiper and Washer Switch Replacement . Did you complete the replacement? | Go to Step 12 | -- |
11 | Replace the washer pump. Refer to Washer Pump Replacement . Did you complete the replacement? | Go to Step 12 | -- |
12 | Operate the washers in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
