Cooling fan control signal

Fig 1: Cooling Fan Control Signal Waveform

G10947104

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: Fan Control Module Signal Waveform

G10947105

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%