LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Mazda
>>
2016
>>
CX-3 Sport, FWD
>>
Repair and Diagnosis
>>
Engine Performance
>>
Engine Control Systems
>>
Engine Control System (Service Information)
>>
Pcm Inspection
>>
Inspection Using An Oscilloscope (Reference)
>>
Fuel pump control module (diagnostic) signal
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Fuel pump control module (diagnostic) signal
Fig 1: Fuel Pump Control Module (Diagnostic) Signal Voltage Graph
Courtesy of MAZDA MOTORS CORP.
PCM terminals
2 AM(+)-body ground(-)
Oscilloscope setting
2 V/DIV (Y), 50 ms/DIV (X), DC range
Vehicle condition
Idle after warm up