1. Turn the ignition ON.
2. Use a voltmeter to test the battery voltage at the wiper motor.

Is battery voltage available at wiper motor connector terminal 3?

11-14 V

Go to Step 3

Go to Step 2

Repair the open circuit between the wiper motor and fuse F17.

Is the repair complete?

--

System OK

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1. Turn the ignition ON.
2. Turn the wiper switch to HI.
3. Use a voltmeter to test for a pulse of battery power at the wiper motor when turning the wiper switch OFF.

Is a pulse of battery voltage available at the wiper motor connector terminal 2 when the wiper switch is turned OFF?

11-14 V

Go to Step 5

Go to Step 4

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

Is the repair complete?

--

System OK

--

1. Turn the ignition ON.
2. Turn the wiper switch to HI.
3. Use a voltmeter to test for a pulse of battery power at the wiper relay when turning the wiper switch OFF.

Is a pulse of battery voltage available at the wiper relay connector terminal 31b when the wiper switch is turned OFF?

11-14 V

Go to Step 7

Go to Step 6

Repair the open circuit between the wiper motor and the wiper relay.

Is the repair complete?

--

System OK

--

1. Disconnect the wiper relay from the connector.
2. Use an ohmmeter to test the continuity of the relay.

Is there continuity between wiper relay connector terminals 31b and 53e?

0 ohms

Go to Step 9

Go to Step 8

Replace the wiper relay.

Is the repair complete?

--

System OK

--

Replace the wiper switch. Refer to Windshield Wiper and Washer Switch Replacement .

Is the repair complete?

--

System OK

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