1. Disconnect the windshield washer pump motor connector.
2. Connect a test lamp from CKT 228 (RED) at the windshield washer pump motor connector to ground.
3. Turn the ignition switch to the ACC or RUN position.
4. Push the wiper/washer switch in the WASH position.

Did the test lamp light?

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Go to Step 2

Go to Step 3

1. Connect a test lamp from CKT 228 (RED) to CKT 150 (BLK) at the windshield washer pump motor connector.
2. Push the washer switch to the WASH position.

Did the test lamp light?

--

Go to Step 6

Go to Step 7

Connect a DMM between the windshield washer pump motor connector cavity A and wiper motor module connector cavity A.

Is there continuity?

--

Go to Step 5

Go to Step 4

Repair open in CKT 228 (RED) between windshield wiper motor module and windshield washer pump motor.

Is the repair complete?

--

System OK

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1. Connect a test lamp from CKT 96 (BRN) at the windshield wiper motor module connector cavity E to ground.
2. Push the washer switch to the WASH position.

Did the test lamp light?

--

Go to Step 8

Go to Step 9

Replace the windshield washer pump motor.

Is the repair complete?

--

System OK

--

Repair the open in CKT 150 (BLK) from the windshield washer pump motor connector to ground.

Is the repair complete?

--

System OK

--

Replace the windshield wiper motor module.

Is the repair complete?

--

System OK

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1. Repair the open in CKT 96 (BRN) between the windshield wiper motor module connector to the windshield wiper/washer switch connector.
2. If the wire is OK, replace the wiper/washer switch.

Is the repair complete?

--

System OK

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