8592431

1.

IG key OFF.

2.

Connect Exhaust Presss Control Valve actuator.

3.

Place oscilloscope probe at motor(+) and motor (-)

4.

Check signal waveform at idle and acceleration over 3000RPM.Reference

Fig.1) Exhaust Pressure Control Valve actuator motor(-) is controlled at idle or deceleration

Fig.2) Exhaust Pressure Control Valve actuator motor(+) is controlled at acceleration

5.

Is the measured value within specification?

	▶ Go to "Verification of Vehicle Repair" procedure.
	▶ Check Exhaust Pressure Control Valve actuator, and go to "Verification of Vehicle Repair" procedure.

note

In case of replacing Exhaust Pressure Control Valve actuator , perform the "COMPONENT CHANGE ROUTINE" procedure with scan tool. If the "COMPONENT CHANGE ROUTINE" procedure has not completed until automatic learning completed, it may cause vehicle performance and exhaust gas problem.