Signal Waveform & Data

Fig 1: Display - Manifold Absolute Pressure Sensor And TPS Signal Waveform

Courtesy of KIA MOTORS AMERICA, INC.

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.