Emissions - MIL ON/DTC's P2401/P2402/P2404 Stored

Bulletin No: 01-014/11

Last Issue: 03/30/2011

SUBJECT:
MIL ON WITH DTC P2401/P2402/P2404

APPLICABLE MODEL(S)/VINS
2006-2010 Mazda5

DESCRIPTION

Some vehicles may experience a MIL on with any or all DTCS P2401/P24021 P2404 stored in memory. When the EVAP system leak detection pump (LDP) is checked, the terminal of the connector is corroded with water inside. This water is being sucked into the opening of the canister drain hose when going through an automatic car wash with the engine running because the canister is under negative pressure.

P2401: EVAP system LDP motor circuit low

P2402: EVAP system LDP motor circuit high

P2404: EVAP system LDP sense circuit problem

Customers having this concern should have their vehicle repaired using the following repair procedure.

REPAIR PROCEDURE

1. Verify customer concern.

2. Replace the LDP and short cord with a new one, and replace the filler hose protector (A) with a modified one by refering to the Points of Filler Hose Protector Installation.





Points of Filler Hose Protector Installation

Rotate the canister drain hose (A) towards the fuel filler pipe (B) so as not to contact the the rib (C) of the fuel filler hose protector (D).





3. Verify repair.





PART(S) INFORMATION





WARRANTY INFORMATION

NOTE:
^ This warranty information applies only to verified customer complaints on vehicles eligible for warranty repair.

^ This repair will be covered under Mazda's New Vehicle Limited Warranty term.

^ Additional diagnostic time cannot be claimed for this repair.