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Home >> Scion >> 2005 >> tC Standard >> Repair and Diagnosis >> Engine Performance >> SFI System (2AZ-FE) >> Terminals Of ECM >> Waveform 11

Waveform 11

Vehicle speed signal

WAVEFORM 11 (VEHICLE SPEED SIGNAL)

ECM Terminal Names Between SPD and E1
Tester Ranges 5V/DIV, 20 msec./DIV
Conditions Driving at 12 mph (20 km/h)

HINT:

The wavelength becomes shorter as the vehicle speed increases.

Fig 1: Identifying Vehicle Speed Signal Waveform
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