Mike's Workshop Manuals
: Service manuals for every vehicle
Home
>>
Mazda
>>
2012
>>
3 s Sport, 2.5L Eng VIN 5, Automatic Trans
>>
Repair and Diagnosis
>>
Engine Performance
>>
Engine Control Systems
>>
Engine Control System [MZR 2.0, MZR 2.5]
>>
Pcm Inspection
>>
Inspection Using An Oscilloscope (Reference)
>>
OCV control signal
OCV control signal
Fig 1: OCV Control Signal Waveform Graph
PCM terminals
2E(+)-body ground(-)
Oscilloscope setting
2 V/DIV (Y), 0.8 ms/DIV (X), DC range
Vehicle condition
Idle after warm up