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Home >> Subaru >> 2016 >> BRZ Series.HyperBlue >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnostics (3 Of 3) >> DTC P2401 Evaporative Emission Leak Detection Pump Stuck OFF; DTC P2402 Evaporative Emission Leak Detection Pump Stuck ON; DTC P2419 Evaporate Emission System Switching Valve Control Circuit Low; DTC P2420 Evaporate Emission System Switching Valve Control Circuit High >> Circuit description

Circuit description

Refer to "EVAP (EVAP EMISSION) SYSTEM " for details. (Refer to )

DTC DETECTION CONDITION

DTC No. Monitoring items Error detection condition Suspected parts Detection timing Detection logic
P2401 Leak detection pump stuck OFF If any one of the following condition is met during EVAP monitoring and when P2401, P2402, P2419, or P2420 is stored.
  • Leak detection pump stuck OFF failure
  • Leak detection pump stuck ON failure
  • Vent valve ON (close) failure
  • Vent valve OFF (open) failure
  • Canister pump module
  • Connector/wiring harness (canister pump module - ECM)
  • ECM
When EVAP monitoring is in progress 1 trip
P2402 Leak detection pump stuck ON
P2419 Vent valve circuit LOW
P2420 Vent valve circuit HIGH