Schematic Reference: Wiper/Washer Schematics

Connector End View Reference: Wiper/Washer Connector End Views

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

1. Turn the ignition ON.
2. Press the windshield washer switch.

Do the windshield washers operate normally?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

1. Turn OFF the ignition.
2. Disconnect the windshield wiper/washer module harness connector.
3. Turn ON the ignition, with the engine OFF.
4. Connect a 3-amp fused jumper wire from the accessory voltage circuit of the module connector to the washer pump control circuit of the module connector.

Does the windshield washer pump operate?

Go to Step 4

Go to Step 5

1. Connect a test lamp from the windshield wiper switch signal 2 circuit of the wiper/washer module connector to a good ground.
2. Press the windshield washer switch.

Does the test lamp illuminate?

Go to Step 10

Go to Step 7

Test the control circuit of the windshield washer pump for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 14

Go to Step 6

Test the ground circuit of the windshield washer pump for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 14

Go to Step 9

Test the windshield wiper switch signal 2 circuit for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 14

Go to Step 8

Inspect for poor connections at the windshield wiper/washer switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 14

Go to Step 11

Inspect for poor connections at the windshield washer pump. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 14

Go to Step 12

Inspect for poor connections at the windshield wiper/washer module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 14

Go to Step 13

Replace the windshield wiper/washer switch. Refer to Turn Signal Multifunction Switch Replacement .

Did you complete the replacement?

Go to Step 14

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Replace the windshield washer pump. Refer to Windshield Washer Pump Replacement .

Did you complete the replacement?

Go to Step 14

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Replace the windshield wiper/washer module. Refer to Windshield Wiper System Module Replacement .

Did you complete the replacement?

Go to Step 14

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3