Schematic Reference: Wiper/Washer Schematics

Connector End View Reference: Wiper/Washer Connector End Views

DEFINITION: The windshield washer is inoperative.

Did you perform the Diagnostic System Check - Vehicle?

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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?

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Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

Do the windshield washer wipers operate when the windshield washer switch is pressed?

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Go to Step 6

Go to Step 4

1. Disconnect the windshield wiper motor pump connector.
2. Test the resistance from the windshield wiper switch supply voltage circuit terminal to the windshield wiper switch signal 1 circuit terminal in the windshield wiper motor harness connector.
3. Press the windshield washer switch.

Is the resistance near the specified value?

0.5 ohms

Go to Step 15

Go to Step 5

Test the following circuits for high resistance. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

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Go to Step 20

Go to Step 13

1. Disconnect the windshield washer relay.
2. Connect a test lamp test from each of the windshield washer relay battery positive voltage supply circuit terminals in the underhood fuse block to ground.

Does the test lamp illuminate on both terminals?

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Go to Step 7

Go to Step 9

1. Connect a test lamp from battery positive voltage to the windshield washer relay control circuit terminal in the underhood fuse block.
2. Turn ON the ignition.
3. Press the windshield washer switch.

Does the test lamp illuminate?

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Go to Step 8

Go to Step 10

1. Connect the windshield washer relay.
2. Disconnect the windshield washer pump connector.
3. Connect a test lamp across the windshield washer pump harness connector terminals.
4. Turn ON the ignition.
5. Press the windshield washer switch.

Does the test lamp illuminate?

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Go to Step 18

Go to Step 11

Replace the underhood fuse block.

Is the repair complete?

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Go to Step 20

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

Did you find and correct the condition?

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Go to Step 20

Go to Step 15

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

Did you find and correct the condition?

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Go to Step 20

Go to Step 12

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

Did you find and correct the condition?

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Go to Step 20

Go to Step 17

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?

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Go to Step 20

Go to Step 14

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

Is the repair complete?

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Go to Step 20

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

Did you find and correct the condition?

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Go to Step 20

Go to Step 16

Replace the windshield wiper motor cover. Refer to Windshield Wiper Motor Cover Replacement .

Is the repair complete?

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Go to Step 20

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Replace the windshield washer relay.

Is the repair complete?

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Go to Step 20

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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?

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Go to Step 20

Go to Step 19

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

Is the repair complete?

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Go to Step 20

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Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 3