185 / 1003
1.2L REVOTRON ENGINE
174
II. PURGE CONTROL VALVE
COMPONENT DETAILS
Purge Valve is a solenoid valve (Variable
position), its opening is controlled by controlling
the field current of the magnetic coil.
COMPONENT LOCATION
PRELIMINARY CHECKS
1. Loose or damaged connections between
actuator and EMS ECU.
2. Check for back out of pins at both actuator and
EMS ECU connector.
3. Check for damage of connectors at both
actuator and EMS ECU end.
4. Check whether the actuator is stuck open/
closed - Mechanical failure.
CONNECTOR DETAIL
PINOUT DETAILS
PIN
DESCRIPTION
1
Ground
2
Supply
COMPONENT SPECIFICATION
The Canister Purge Valve (CPV) meters the gas
flow which is generated during regeneration of the
activated carbon filter, utilized for fuel tank
ventilation. The CPV is triggered by impulses.
Duration and frequency are adjusted by EMS
ECU depending on the load condition of the
engine. Mounted on intake manifold by bracket.
SENSOR STAND-ALONE DIAGNOSIS
Measure the resistance across the Purge valve
terminals at room temperature; it should be 16+/-
2 Ohms.