OK A waveform as shown in the figure should be output

HINT:

• As the vehicle speed (wheel revolution speed) increases, a cycle of the waveform becomes shorter and the fluctuation in the output voltage becomes greater.

• When noise is identified in the waveform on the oscilloscope, error signals are generated due to the speed sensor rotor's scratches, looseness or foreign matter deposited on it.

Fig. 40: Checking Signal Waveform

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Fig. 40: Checking Signal Waveform

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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