Cooling Fan Control Signal

WARNING: This page is about a different car, the 2018 Mazda CX-9. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Cooling Fan Control Output Voltage Signal Graph

Courtesy of MAZDA MOTORS CORP.

PCM terminals

2AQ(+)-body ground(-)
Oscilloscope setting
5 V/DIV (Y), 5 ms/DIV (X), DC range
Vehicle condition
Fan control module control duty value: 30%

Fig 2: Cooling Fan Control Output Voltage Signal Graph - Fan Control Module Control Duty Value

Courtesy of MAZDA MOTORS CORP.

PCM terminals

2AQ(+)-body ground(-)
Oscilloscope setting
5 V/DIV (Y), 5 ms/DIV (X), DC range
Vehicle condition
Fan control module control duty value: 80%