1

1. Turn the ignition to the ON position.
2. Turn the blower speed to LOW.
3. Disconnect the blower motor connector and measure the voltage between terminal A and terminal C at the blower control module.

Does the voltage equal the specified value?

6 V

Go to Step  2

Go to Step 4

Reconnect the blower motor connector.

Does the blower motor run on high speed?

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Go to Step  3

System OK

Replace the blower motor. Refer to Blower Motor and Fan Replacement in Heating, Ventilation and Air Conditioning.

Is the repair complete?

--

System OK

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Measure the voltage at terminal C of the blower control module input.

Does the voltage equal the specified value?

4-5 V

Go to Step 5

Go to Step 6

Replace the blower control module. Refer to Blower Motor Control Module Replacement in Heating, Ventilation and Air Conditioning.

Is the repair complete?

--

System OK

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Replace the instrument panel integration module. Refer to Instrument Panel Module Replacement in Body Control Systems.

Is the repair complete?

--

System OK

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