Diesel Data: Automotive Repair

Emissions - MIL ON/Multiple EVAP DTC's Set

T-SB-0024-11

March 29, 2011

MIL "ON" P043E, P043F, P2401, P2402, & P2419 Due to
Water Intrusion into Charcoal Canister

Service Category
Engine/Hybrid System

Section
Emission Control

Market
USA





Applicability

Introduction

Some 2007 - 2011 model year Yaris hatchback vehicles may experience a MIL "ON" condition with DTCs P043E, P043F, P2401, P2402 and P2419. This can be caused by water or debris entry into the evaporative control system through the fresh air inlet. To address this condition, a fuel pipe protector has been created to help prevent water intrusion into the fuel filler pipe cover.

NOTE

All five DTCs MUST be present for this TSB to be applicable.

Production Change Information





This TSB applies to 2007 - 2011 Yaris vehicles produced BEFORE the Production Change Effective VIN shown.





Warranty Information

APPLICABLE WARRANTY

^ This repair is covered under the Toyota Comprehensive Warranty. This warranty is in effect for 36 months or 36,000 miles, whichever occurs first, from the vehicle's in-service date.

^ Warranty application is limited to occurrence of the specified condition described in this bulletin.





Parts Information





Required Tools & Equipment

Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE).

Repair Procedure

1. Using TIS Techstream check for DTCs P043E, P043F, P2401, P2402, and P2419.

A. If the above DTCs are present proceed to step 2.

B. If all 5 DTCs are NOT present this TSB does NOT apply continue diagnostics per the Repair Manual.

2. Check for water or debris in the EVAP system by disconnecting the vent hose from the key-off pump module.

Is water or debris present in the vent hose?

A. YES - Proceed to step 3.

B. NO - This TSB does NOT apply continue diagnostics per the Repair Manual.

3. Replace the charcoal canister and charcoal canister filter No.2 as outlined in the Repair Manual.

^ 2007 / 2008 / 2009 / 2010 / 2011 Yaris:
Engine/Hybrid System - Emission Control - "Canister Removal"

^ 2007 / 2008 / 2009 / 2010 / 2011 Yaris:
Engine/Hybrid System - Emission Control - "Canister: Installation"

4. Remove fuel tank filler pipe protector and retain fasteners.





5. For 2007 Yaris follow this procedure all other model years proceed to step 7. Inspect the fuel tank filler pipe cover holder for the presence of the drain hole shield that is included with the updated fuel tank filler pipe cover holder as outlined in TSB "M.I.L. "ON" DTC P043E, P043F, P2401, P2402, & P2419"





6. If drain hole shield is present proceed to step 6.

If drain hole shield is NOT present replace the fuel tank filler pipe cover and cover holder with the updated parts.





7. Replace fuel tank filler pipe protector with updated part. Slide the supplied zip tie over the fuel tank filler pipe cover holder then reinstall original fasteners.



Do NOT adjust the length or tension of zip tie.

8. Clear all DTCs using TIS Techstream.


9. Perform the Automatic EVAP System Check and verify that no pending DTCs set.

System > Engine and ECT> Utility> EVAP System Check



if the Automatic EVAP System Check fails to run, perform the following:

^ Turn the ignition OFF.


^ Turn TIS Techstream OFF.


^ Turn the ignition ON and TIS Techstream ON and restart the Automatic EVAP System Check.