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Home >> Mazda >> 2021 >> CX-3 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Control System - Auto A/C) >> Climate Control Unit Inspection (Auto A/C) >> Blower Fan Speed Control Signal >> Fan stopped
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Fan stopped

WARNING: This page is about a different car, the 2016 Mazda CX-3. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Blower Fan Speed Control Signal Waveform (Fan Stopped)
G10910316Courtesy of MAZDA MOTORS CORP.

Climate control unit terminal 

Oscilloscope setting 

Vehicle condition