Related Dtcs

DTCs

Monitoring Items

See Page

P043E

Reference orifice clogged (built into canister pump module)

ES-210

P043F

Reference orifice high-flow (built into canister pump module)

P0441

• Purge VSV (Vacuum Switching Valve) stuck closed

• Purge VSV stuck open

• Purge flow

ES-216

P0450

Canister pressure sensor (built into canister pump module) voltage abnormal fluctuation

ES-223

P0451

• Canister pressure sensor (built into canister pump module) noise

• Canister pressure sensor fixed (built into canister pump module)

P0452

Canister pressure sensor (built into canister pump module) voltage low

P0453

Canister pressure sensor (built into canister pump module) voltage high

P0455

EVAP gross leak

ES-233

P0456

EVAP small leak

P2401

Leak detection pump stuck OFF (built into canister pump module)

ES-328

P2402

Leak detection pump stuck ON (built into canister pump module)

P2419

Vent valve stuck ON (closed) (built into canister pump module)

ES-334

P2420

Vent valve stuck OFF (vent) (built into canister pump module)

P2610

Soak timer (built into ECM)

ES-340

If any EVAP system DTCs are set, the malfunctioning area can be determined using the table below.

DTCs

Malfunctioning Areas"""^-^^^

P043E P043F

P0441

P0450

P0451

P0452

P0453

P0455

P0456

P2401 P2402

P2419

P2420

Reference orifice clogged

Reference orifice high-flow

Purge VSV stuck open

Purge VSV stuck closed

Canister pressure sensor fixed

Canister pressure sensor noise

Canister pressure sensor low output

Canister pressure sensor high output

Gross leak

Small leak

Leak detection pump stuck OFF

Leak detection pump stuck ON

Vent valve stuck closed

Vent valve stuck open (vent)

If the 0.02 inch leak criterion difference between the first and second checks is greater than the specification, the DTCs corresponding to the leak criterion (P043E, P043F, P2401, P2402 and P2419) will be all stored.

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