LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Mazda
>>
2006
>>
MPV LX-SV
>>
Repair and Diagnosis
>>
Engine Performance
>>
Engine Control Systems
>>
Pcm Inspection
>>
Inspection Using An Oscilloscope (Reference) CKP
>>
Engine speed signal (output)
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Engine speed signal (output)
PCM terminal: 21 (+)-100 (-)
Oscilloscope setting: 2V/DIV (Y), 5ms/DIV (X), DC range
Vehicle condition: idle after warm up
Fig 1: Identifying Engine Speed Signal Waveform
Courtesy of MAZDA MOTORS CORP.
Courtesy of MAZDA MOTORS CORP.