Related DTCS

MONITORING ITEM REFERENCE

DTC No.	Monitoring Item	Refer to
P043E	Reference orifice clogged (built into canister pump module)
P043F	Reference orifice high-flow (built into canister pump module)
P0441	Purge VSV (Vacuum Switching Valve) stuck closed Purge VSV stuck open Purge flow
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
P0456	EVAP small leak
P2401	Leak detection pump stuck OFF (built into canister pump module)
P2402	Leak detection pump stuck ON (built into canister pump module)
P2419	Vent valve stuck ON (closed) (built into canister pump module)
P2420	Vent valve stuck OFF (vent) (built into canister pump module)
P2610	Soak timer (built into ECM)

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

Fig 1: DTC Malfunctioning Area Chart

NOTE: 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 all be stored.