lemon-mirror
:
Home
>>
Mazda
>>
2012
>>
5 Touring
>>
Repair and Diagnosis
>>
Engine Performance
>>
Engine Control Systems
>>
Engine Control System [MZR 2.5]
>>
Pcm Inspection
>>
Inspection Using An Oscilloscope (Reference)
>>
HO2S heater control
HO2S heater control
Fig 1: HO2S Heater Control Voltage Signal Waveform
PCM terminals
2B(+)-body ground(-)
Oscilloscope setting
5 V/DIV (Y), 1 s/DIV (X), DC range
Vehicle condition
Idle (after warm up)