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Toyota
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2005
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Tundra Base, 4.0 U, Automatic
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Repair and Diagnosis
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Engine Performance
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System
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Engine (1GR-FE) - Diagnostics
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Terminals Of ECM
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Waveform 10
Waveform 10
Engine speed signal
WAVEFORM 10 REFERENCE
ECM Terminal Names
Between TACH and E1
Tester Ranges
5 V/DIV, 10 msec./DIV
Conditions
Idling
HINT:
The wavelength becomes shorter as vehicle speed increases.