1.05L REVOTORQ ENGINE
167
xvi.
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.
Sensor Location :
Connector Details :
Pin Details :
Pin No
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