Did you review the system operation and perform the necessary inspections?

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Go to Step 2

Go to Symptoms - Stationary Windows

1. Turn the ignition to the OFF position.
2. Turn the rear defogger off.

Does the rear defogger turn off?

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Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

1. Turn the ignition switch to the OFF position.
2. Disconnect the HVAC control connector C4.
3. Turn the ignition switch to the RUN position.

Is the rear defogger still on?

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Go to Step 4

Go to Step 5

Repair the short to battery voltage in the supply voltage circuit of the rear defogger grid. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

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Go to Step 6

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Replace the HVAC control. Refer to Control Assembly Replacement in HVAC Systems - Manual.

Did you complete the replacement?

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Go to Step 6

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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