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Component Inspection

■ Check APS

IG "OFF" and install a GDS.

Connect probe to APS1 and APS2 to check signal waveform by using oscilloscope function.

Measure signal waveform of APS by pressing and depressing accellerator pedal.

Specification : Signal waveform will be displayed as follows.

note

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Is the measured signal waveform O.K?

	▶ Substitute with a known - good ECM and check for proper operation. If the problem is corrected, replace ECM and go to "Verification of Vehicle Repair" procedure.
	▶ Substitute with a known-good APS and check for proper operation. If the problem is corrected,replace APS and then go to "Verification of Vehicle Repair" procedure.