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Home >> Scion >> 2005 >> tC Standard >> Repair and Diagnosis >> Engine Performance >> SFI System (2AZ-FE) >> Terminals Of ECM >> Waveform 4

Waveform 4

Throttle actuator positive terminal

WAVEFORM 4 (THROTTLE ACTUATOR POSITIVE 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 Positive Terminal Waveform
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