FixVault
Home
›
Mazda
›
2015
›
5 Touring
›
Repair and Diagnosis
›
Engine Performance
›
Engine Control Systems
›
Pcm Inspection
›
Inspection Using An Oscilloscope (Reference)
›
CMP signal
CMP signal
Fig 1: CMP Voltage Signal Waveform
Courtesy of MAZDA MOTORS CORP.
PCM terminals
2S(+) - body ground (-)
Oscilloscope setting
5 V/DIV (Y), 20 ms/DIV (X), DC range
Vehicle condition
idle (after warm up)