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Engine Control System (2GR-FE) (Diagnostic Codes & Circuit Tests) (Except Hybrid): Diagnosis Toyota Highlander III

Testing & Diagnostics

DTC SUMMARY

DTC No.Detection ItemDTC Detection ConditionTrouble AreaMILMemoryNote
P2420Evaporative Emission Pressure Switching Valve Stuck OFFFollowing condition is met during key-off EVAP monitor: EVAP pressure change when vent valve closed (on) less than 0.3 kPa(gauge) [2.25 mmHg(gauge)]Canister pump module (reference orifice, leak detection pump, vent valve) Connector/wire harness (Canister pump module - ECM) Canister (filter inside canister clogged) ECMComes onDTC storedDTC for Mexico Models - Does not apply
DTC No.Monitoring ItemDetection TimingDetection Logic
P2420Vent valve stuck open (vent)While ignition switch off2 trip

HINT

The vent valve is built into the canister pump module.

DTC No.Detection ItemDTC Detection ConditionTrouble AreaMILMemoryNote
P2610ECM / PCM Internal Engine Off Timer PerformanceECM internal malfunction (2 trip detection logic).ECMComes onDTC storedDTC for Mexico Models - Does not apply
DTC No.Monitoring ItemDetection TimingDetection Logic
P2610Soak timer (built into ECM)Ignition switch off2 trip

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