Dtc Summary

DTCs

Monitoring Item

P043E

Reference orifice clogged

P043F

Reference orifice high-flow

P2401

Leak detection pump stuck OFF

P2402

Leak detection pump stuck ON

P2419

Vent valve stuck closed

Malfunction Detection Condition

Malfunction Detection Condition

Trouble Area

Detection Timing

P043E, P043F, P2401, P2402 and P2419 present when one of the following conditions is met during key-off EVAP monitor:

• Reference orifice clogged

• Reference orifice high-flow

• Leak detection pump OFF malfunction

• Leak detection pump ON malfunction

• Vent valve ON (close) malfunction

Canister pump module (Reference orifice, leak detection pump, vent valve)

Connector/wire harness (Canister pump module -ECM)

EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose) ECM

While ignition switch off

2 trip detection logic

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