Pinout Values and Diagnostic Parameters

TIRE AND WHEEL: TIRE PRESSURE WARNING SYSTEM: TERMINALS OF ECU

TERMINALS OF ECU
HINT: Inspect the connectors from the back side.

1. CHECK TIRE PRESSURE WARNING ECU













(a) Using an oscilloscope, check the waveform 1.





HINT: The wavelength becomes shorter as the vehicle speed increases.





(b) Using an oscilloscope, check the waveform 2.





HINT: The wavelength becomes shorter as the engine speed increases.