LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Mazda
>>
2022
>>
MX-5 Miata Club
>>
Repair and Diagnosis (Single Page)
>>
Engine Performance
>>
Engine Control Systems
>>
Pcm Inspection
>>
Inspection Using An Oscilloscope (Reference)
>>
HO2S Heater Control Signal
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
HO2S Heater Control Signal
Courtesy of MAZDA MOTORS CORP.
PCM terminals
2BJ (+)-body ground (-)
Oscilloscope setting
5 V/DIV (Y), 50 ms/DIV (X), DC range
Vehicle condition
Idle (immediately after starting engine)