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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) (PHEV) >> DTC P24B9-00: EVAP System Leak Detection Pump Pressure Sensor Circuit Range/Performance >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • ELCM pressure signal monitoring
  1. Evap. Emission System failure
  2. ELCM failure
Enable Condition
  • Vehicle stop (VSS 0mph/0kph)
  • Engine stop (Engine 0 RPM)
  • Ignition key off
  • No related failures
  • No refueling during diagnosis
  • Ambient air pressure is greater than 75kPa
  • ECM soaking time (engine stop) is more than 5 hours
  • Ambient air temp. (AAT) is greater than 4°C (39.2°F)
  • Fuel level in the tank is less than 85%
  • Battery voltage is between 10V and 16V
Threshold Value
  • Deviation between ELCM pressure and intake manifold is greater than -20kPa. (signal high)
  • Deviation between ELCM pressure and intake manifold is less than 20kPa. (signal low)
Diagnostic Time
  • Immediate
MIL On Condition
  • 2 Driving Cycles