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Inspection Using An Oscilloscope (Reference) CKP
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Torque reduction request signal
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Torque reduction request signal
PCM terminal: 91 (+)-100 (-)
Oscilloscope setting: 1 V/DIV (Y), 2ms/DIV (X), DC range
Vehicle condition: idle after warm up
Fig 1: Identifying Torque Reduction Request Signal Waveform
Courtesy of MAZDA MOTORS CORP.
Courtesy of MAZDA MOTORS CORP.