Signal Waveform & Data

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Fig 1: Scantool Display - Signal Waveform Of Throttle Position Voltage And MAPS

Courtesy of HYUNDAI MOTOR AMERICA

As often as possible, the MAPS signal should be compared with the TPS signal. Check whether the MAPS and TPS signals increase at the same time when accelerating. During acceleration, the MAPS output voltage increases; during deceleration, the MAPS output voltage decreases.