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Home >> Scion >> 2005 >> tC Standard >> Repair and Diagnosis >> Engine Performance >> SFI System (2AZ-FE) >> Terminals Of ECM >> Waveform 5

Waveform 5

Throttle actuator negative terminal

WAVEFORM 5 (THROTTLE ACTUATOR NEGATIVE TERMINAL)

ECM Terminal Names Between M- and ME01
Tester Ranges 5V/DIV, 1 msec./DIV
Conditions Idling with warm engine

HINT:

The duty ratio varies depending on the throttle actuator operation.

Fig 1: Identifying Throttle Actuator Negative Terminal Waveform
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