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Home >> Acura >> 2005 >> TSX Automatic >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System >> System Description >> Navigation Function >> Function Diagram >> Vehicle Speed Pulse
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Vehicle Speed Pulse

The vehicle speed pulse is sent by the ECM/PCM. The ECM/PCM receives a signal from the countershaft speed sensor, then it processes the signal and transmits it to the speedometer and other systems.

Fig 1: Identifying Navigation Unit And ECM/PCM (Vehicle Speed Pulse)
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