Brad's Car Manuals: A 3rd party mirror of CHARM + LEMON car manuals
Home >> Saturn >> 2001 >> L100 L4-2.2L VIN F >> Repair and Diagnosis >> Body and Frame >> Body Control Systems >> Body Control Module >> Description and Operation >> A/C Request

A/C Request

Download the full database via torrent (~1.1 TB)  |  Download Brad's custom LEMON patches
A/C request is made by the HVAC control head supplying voltage to circuit 66 to the BCM. The BCM will then request over the serial data link to the engine controller to operate the compressor. The BCM provides evaporator freeze protection by monitoring engine speed and ambient temperature.
scientia non olet · About Brad's Car Manuals