Schematic Reference: Wiper/Washer Schematics

Connector End View Reference: Wiper/Washer Connector End Views

DEFINITION: Windshield wipers are inoperative in one or more modes.

Did you perform the Wiper/Washer System Description and Operation and perform the necessary inspections?

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Go to Step 2

Go to Symptoms - Wiper/Washer Systems

1. Turn ON the ignition.
2. Attempt to operate the windshield wipers in all modes.

Does the system operate normally?

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Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

Do the windshield wipers operate in the high speed mode?

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Go to Step 5

Go to Step 4

1. Disconnect the turn signal/multifunction switch connectors.
2. Connect a fused jumper wire from the windshield wiper switch high signal circuit terminal in the body harness connector half to a good ground.
3. Turn ON the ignition.

Do the windshield wipers operate at high speed?

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Go to Step 8

Go to Step 7

5

1. Disconnect the turn signal/multifunction switch connectors.
2. Test the resistance from the windshield wiper switch signal circuit terminal to the low reference circuit terminal in the turn signal/multifunction switch.
3. Operate the windshield wiper/washer switch in the following positions:

•

MIST

•

LO

Is the resistance near the specified value in the listed switch positions?

390 ohms

Go to Step 6

Go to Step 11

6

1. Test the resistance from the windshield wiper switch signal circuit terminal to the low reference circuit terminal in the turn signal/multifunction switch.
2. Operate the windshield wiper/washer switch in all of the delay positions.

Does the resistance remain within the specified values from low to high as the delay speed is increased?

1K ohms-10K ohms

Go to Step 9

Go to Step 11

1. Disconnect the windshield wiper motor and module connector.
2. Test the windshield wiper switch high signal 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 16

Go to Step 14

Test the windshield wiper switch 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 16

Go to Step 12

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

Did you find and correct the condition?

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Go to Step 16

Go to Step 10

Test the windshield wiper switch low reference 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 16

Go to Step 14

Test the windshield wiper switch signal and low reference circuits in the steering column harness for an open or short to ground. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

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Go to Step 16

Go to Step 12

Inspect for poor connections at the turn signal/malfunction 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 16

Go to Step 13

Replace the turn signal/malfunction switch. Refer to Turn Signal Multifunction Switch Replacement .

Is the repair complete?

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Go to Step 16

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Inspect for poor connections at the windshield wiper motor and module. 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 16

Go to Step 15

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

Is the repair complete?

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Go to Step 16

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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