DTC B3623, B3794, P0564, P0565, P0567, P0568, P056C, P0580, P0581, P0589,
P0592, P0593,
P155A-P155C, or P162C
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnos
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AUTOMATIC HVAC DESCRIPTION AND OPERATION
The air temperature and the air delivery description and operation are
divided into eight areas:
HVAC Control Components
Air Speed
Air Delivery
Heating and A/C Operation
Recirculation Operation
Automatic Operation
Engine Coolant and A/C System Refrig
Stop/Start System
The vehicle may be equipped with a
fuel saving Stop/Start system to
shut off the engine and help
conserve fuel.
When the brakes are applied and
the vehicle is at a complete stop,
the engine may turn off. When the
brake pedal is released or the
accelerator pedal is pushed, the
engi