how to check hvac controller when it is faulty or not working correctly??
Nov 13, 2012 at 8:24 AM
Repair Safety Notice:
This information is for general instructional purposes only. Vehicle repair can be dangerous.
Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
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ASEMASTER6371
CAR REPAIR CONTRIBUTOR
52,796 POSTS
you need a scan tool to monitor the functions. a shop can help you with this.
Roy
Nov 13, 2012 at 11:54 AM
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SATURNTECH9
CAR REPAIR CONTRIBUTOR
30,869 POSTS
Ase master is correct but what problem are you having?