Inspection Using An Oscilloscope (Reference) Engine speed signal

WARNING: This page is about a different car, the 2003 Mazda Protege5 and 2003 Mazda Protege. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Measuring Engine Speed Signal

Courtesy of MAZDA MOTORS CORP.

Terminal: G(+)-P(-)
Oscilloscope setting: 2 V/DIV(Y), 100 ms/DIV(X), DC range
Vehicle condition: Drive the vehicle 10 km/h (6.2 mph).