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Home >> Saab >> 2003 >> 9-3 Vector, Standard >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Automatic Climate Control, Acc (Early; 9400) >> Technical Description >> Control Module >> Notes

Control Module: Notes

Fig 1: Identifying ACC Control Module And Pinouts
G03582545Courtesy of SAAB-SCANIA OF AMERICA, INC.

The ACC unit operates when the power supply is 10-16 Volt. Outside this range, the ACC unit shifts to the OFF-mode.

The control module is integrated into the ACC unit and is activated by +15 or the parking heater input. That the control module is activated can be seen as the display lights up and that diagnostics communication is possible. After having been activated from +15, the control module can take up the following conditions: