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1.5L REVOTORQ ENGINE
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xiv. VACUUM MODULATOR OR ELECTRONIC
VACUUM REGULATING VALVE (EVRV)
The EVRV is an electro pneumatic solenoid
switch, which is controlled more precisely by the
EMS ECU based on the engine speed, Coolant
temperature and Accelerator pedal position etc.
EVRV provides variable vacuum levels to drive
EGR.
LOCATION
CONNECTOR DETAILS
PINOUT DETAILS
Pin
Description
1
Supply
2
EGR Command
Vacuum Measurement Values
Equipment: Vacuum Gauge
Sr
No
Engine
Speed
Vacuum Pressure
(mm of HG) - Minimum
EGR EVRV
RPM
Inlet
Outlet
1
800 (Idle)
650
270
2
2000
640
260
3
3000
640
260
4
4000
640
0
5 4700 (Fly Up)
640
0