My air is not working

A self-test of the EATC module will reveal nothing about the status of the HVAC blower motor and circuitry. You will need to troubleshoot the operation of the blower motor, BMSC (blower motor speed control) and associated wiring. It's also possible, but not probable, that the blower control within the EATC controller is FUBAR.

Start by checking fuse 2 and checking the blower motor by applying B+ and ground to it.

Good luck.

Blower Circuit.jpg

Blower Circuit.jpg
 

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