Schematic Reference: Wiper/Washer Schematics

Connector End View Reference: Wiper/Washer Connector End Views

Have you conducted Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

1. Turn ON the ignition.
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 light 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 .

Do 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 .

Do 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 .

Do you find and correct the condition?

Go to Step 14

Go to Step 8

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

Do you find and correct the condition?

Go to Step 14

Go to Step 11

Check for poor connections of the windshield washer fluid pump. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Do you find and correct the condition?

Go to Step 14

Go to Step 12

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

Do 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 .

Have you finished the replacement?

Go to Step 14

--

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

Have you finished the replacement?

Go to Step 14

--

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

Have you finished the replacement?

Go to Step 14

--

Operate the system to verify the repair.

Is the failure removed?

System OK

Go to Step 3