1

Did you review the Wiper/Washer operation and perform the necessary inspections?

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Go to Step 2

Go to Diagnostic Starting Point

1. Turn ON the ignition, with the engine OFF.
2. Turn the rear window wiper/washer switch to the DELAY position.
3. Use a DMM and backprobe between CKT 141 (BRN) cavity B and CKT 150 (BLK) wire cavity C of the rear window wiper/washer module connector during the wiper operation.

Does the wiper show continuity during the sweep cycle and lose continuity momentarily as the wiper approaches the PARK position?

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Go to Step 4

Go to Step 3

Replace the rear window wiper/washer module.

Refer to Liftgate Wiper Motor Replacement .

Did you complete the replacement?

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Go to Step 7

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Inspect the following circuits for damage:

Refer to Circuit Testing in Wiring Systems.

Did you find any damage?

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Go to Step 5

Go to Step 6

Repair the following circuits for damage:

Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

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Go to Step 7

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Replace the rear window wiper motor.

Refer to Liftgate Wiper Motor Replacement .

Did you complete the replacement?

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Go to Step 7

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Operate the system in order to verfiy the repair.

Did you correct the condition?

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System OK

Go to Step 2