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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 P1422: Evaporative Emission System Leak Detect Pump Stuck Off >> 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
Even if vacuum pump is operated, variation of EVAP leak pressure sensor is less than 0.2 kPa.
(2 driving cycle detection logic, monitoring once per driving cycle)
  • EVAP leak check module and its circuit
  • ECM