April 5, 2026: LEMON Manuals is launched! Read the announcement.

HVAC Schematics

Fig 1: HVAC Control, Intake, Air Mix, Mode Motors

Courtesy of GENERAL MOTORS CORP.

Fig 2: Blower Control

Courtesy of GENERAL MOTORS CORP.

Fig 3: Compressor Control Sirius D42

Courtesy of GENERAL MOTORS CORP.

Fig 4: Compressor Control MR140, HV240

Courtesy of GENERAL MOTORS CORP.

Fig 5: HVAC Control, HVAC Sensors

Courtesy of GENERAL MOTORS CORP.