EGR VALVE AND VACUUM MODULATOR
EGR SYSTEM
General Information
EGR system controls the opening vale of EGR valve by transmitting electrical signal (PWM control) from the engine
ECU to vacuum modulator. Also, the engine ECU receives the feedback signals of the amount of air flowing through the
HFM sensor.
1. EGR valve
2. Vacuum modulator
3. Vacuum pump
EXHAUST SYSTEM
DI ENG SM - 2004.4
Various sensor
Signals
4. EGR center pipe (EGR cooler)
5. Intake manifold
6. Hfm sensor
DI04-27
Y220_04023
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN