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Home >> Suzuki >> 2011 >> Grand Vitara Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis >> General Description >> OBD System Description - EVAP Control System Monitor (EVAP Leak Check Model) >> EVAP Control System Monitor
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EVAP Control System Monitor

OPERATION (1 OF 2)

DTCs P0441
Monitor execution Once per driving cycle
Monitoring duration 3 sec.
OPERATION (2 OF 2)

DTCs P0456, P2404
Monitor execution Once per driving cycle
Monitoring duration 712 sec.
ENABLE CONDITIONS

Parameter Min. Max.
P0441 
Purge accumulation 70 sec. -
Purge learn value for 60 sec. - 0.05
EVAP vent valve No DTC (P0449)
EVAP leak check pressure sensor No DTC (P2228, P2229)
EVAP canister purge valve No DTC (P0443)
P0456, P2404 
Duration time from engine off 5 hours -
EVAP leak check pressure sensor No DTC (P2228, P2229)
EVAP vent valve No DTC (P0449)
EVAP leak detection pump No DTC (P2400)
EVAP canister purge valve No DTC (P0443)
IAT 4.4 °C (39.9 °F) 50 °C (122 °F)
ECT 4.4 °C (39.9 °F) 45 °C (113 °F)
Battery voltage 11 V -
Ignition switch OFF
Fuel level - 85%
Barometric pressure 75 kPa -
TYPICAL MALFUNCTION THRESHOLDS

P0441: Tank pressure change during EVAP vent valve switching < 1.26 kPa 
P0456: Tank pressure > Reference pressure-2 
P2404: 
Monitor 1:  Tank pressure at vent valve on (close) < -0.14 kPa
Monitor 2:  Reference pressure change > 0.36 kPa
Monitor 3:  Reference pressure > -0.14 kPa
Monitor 4:  Reference pressure < -4.3 kPa
Monitor 5:  Reference pressure > -1.34 kPa