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ENG running and Measure signal waveform at signal terminal of CMPS.

Reference signal waveform :

Fig.1) Normal waveform of CMPS1 & 2 at idle.

Is the measured siganl waveform normal?

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