Supra Liftback L6-2997cc 3.0L DOHC MFI Twin-Turbo (1997)
Idle Speed/Throttle Actuator - Electronic: Oscilloscope Patterns and Waveforms
Reference INSPECTION USING OSCILLOSCOPE
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With engine idling measure waveforms between terminals ISC1, ISC2, ISC3, ISC4 and EO1 of ECM when A/C switch ON or OFF.
HINT: The correct waveforms are as shown.
