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Home >> Toyota >> 2011 >> Highlander Hybrid Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 42 (Engine Control System (1AR-FE) (Diagnostic Codes (P1604 - U0101) & Circuit Tests)) >> SFI System >> DTC P2420: Evaporative Emission System Switching Valve Control Circuit High >> DTC Summary

DTC Summary

WARNING: This page is about a different variant/trim than selected.
DTC No. Monitoring Item Malfunction Detection Condition Trouble Area Detection Timing Detection Logic
P2420 Vent valve stuck open (vent) Following condition met during key-off EVAP monitor:
  • EVAP pressure change when vent valve closed (ON) below 0.3 kPa-g (2.25 mmHg-g)
  • Canister pump module (Reference orifice, leak detection pump, vent valve)
  • Connector/wire harness (Canister pump module - ECM)
  • ECM
While ignition switch off 2 trip

HINT: 

The vent valve is built into the canister pump module.