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Home >> Suzuki >> 2006 >> Grand Vitara Premium, RWD, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine General Information And Diagnosis >> Diagnostic Information And Procedures >> DTC P0449: Evaporative Emission System Vent Valve Circuit >> DTC Detecting Condition and Trouble Area
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DTC Detecting Condition and Trouble Area

DTC DETECTING CONDITION CHART

DTC detecting condition Trouble area
EVAP vent valve circuit voltage is more than 8.4 V at vent valve ON or less than 3.0 V at vent valve OFF.
(1 driving cycle detection logic)
  • EVAP vent valve and its circuit
  • ECM
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