Were you sent here from the HVAC Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check

1. Install a scan tool.
2. Turn the ignition switch to the ON position.
3. Display the PCM Eng 2 Data List.
4. Turn the A/C switch OFF.

Does the scan tool indicate the A/C Request is NO?

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Go to Step 4

Go to Step 3

Test and repair the A/C Request signal circuit 762 for one of the following conditions:

Did you find and correct the condition?

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Go to Step 8

Go to Step 7

Disconnect the A/C compressor clutch connector.

Does the A/C compressor clutch disengage?

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Go to Step 5

Go to Step 6

Replace the Powertrain Control Module (PCM). Refer to Powertrain Control Module Replacement .

Is the repair complete?

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Go to Step 8

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Replace the A/C compressor clutch. Refer to Compressor Clutch Coil Removal (V7 - Direct Mount) .

Is the repair complete?

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Go to Step 8

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Replace the HVAC Control Assembly. Refer to Control Assembly Replacement .

Is the repair complete?

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Go to Step 8

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1. Clear any DTCs which may have set. Refer to Diagnostic Trouble Code (DTC) Clearing .
2. Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Diagnostic System Check