Was the Wiper/Washer Diagnostic System Check performed?

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Go to Step 2

Go to Wiper/Washer System Check

1. Remove wiper fuse 3 (WSW) and connect an ammeter (0-30 amp) across fuse terminals.
2. Turn the ignition switch to RUN.
3. Set the wiper switch to LO.
4. Observe the lowest current draw while the wipers are running on dry glass (current draw will fluctuate).

Is the lowest current draw less than the specified value?

1.0 amps

Go to Step 3

Go to Step 4

Replace the wiper motor assembly. Refer to Windshield Wiper Motor Replacement .

Is the replacement complete?

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Go to Wiper/Washer System Check

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Is lowest current more than the specified value?

6.5 amps

Go to Step 5

End of Test

Replace the wiper blade elements and repeat the test.

Is the lowest current draw still more than the specified value?

6.5 amps

Go to Step 6

End of Test

Disconnect the wiper transmission from the wiper motor crank arm and repeat the test.

Is the lowest current draw still more than the specified value?

6.5 amps

Go to Step 7

Go to Step 8

Replace the wiper motor assembly.

Is the replacement complete?

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Go to Wiper/Washer System Check

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The wiper transmission assembly is binding. Repair or replace the wiper transmission as required. Refer to Windshield Wiper Transmission Replacement .

Is the repair or replacement complete?

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Go to Wiper/Washer System Check

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