Canada - Emissions - MIL ON/DTC P0456 Set

Bulletin
TSB3417

Issue Date
July 7, 2010

Market
Canada

Title
MIL "ON" CODE P0456

Component
FUEL

Models
'10 Prius; '11 Sienna

INTRODUCTION:
Some 2010 model year Prius and 2011 Sienna vehicles may exhibit a MIL "ON" condition with Diagnostic Trouble Code (DTC) P0456 stored in the Engine Control Module or ECM (SAE term: Powertrain Control Module/PCM).
Use the following repair procedure to address this condition.






APPLICABILITY:

PRODUCTION CHANGE INFORMATION:







This TSB applies to vehicles produced BEFORE the Production Change Effective VINs shown.






WARRANTY INFORMATION:






PARTS INFORMATION:






REQUIRED TOOLS & EQUIPMENT:

NOTE:
Additional Techstream units may be ordered by completing the order form on ETAS and faxing it to (416) 431-8342.

REPAIR PROCEDURE:
1. Using ETAS Techstream, clear any stored DTCs.
2. Using ETAS Techstream, perform the EVAP System Check to confirm DTC P0456 - Evaporative Emission Control System Leak Detected (Very Small Leak), is pending.
3. Refer to the Repair Manual within E-TAS / TIS library:
- Division: Toyota
- Model: Sienna
- Year: 2011
- Service Category: Engine/Hybrid System
- Section: Engine Control
- Keyword: 2GR-FE Engine Control: SFI System: Data List / Active Test

- Division: Toyota
- Model: Prius
- Year: 2010
- Service Category: Engine/Hybrid System
- Section: Engine Control
- Keyword: 2ZR-FXE Engine Control: SFI System: Data List / Active Test

NOTE:
If DTC P0456 does not return, this TSB does not apply.

4. If P0456 is present confirm the charcoal canister pump electrical connector is fully seated and verify no Evap leaks are present.
5. If no Evap leaks are found replace the charcoal canister assembly. Refer to the Repair Manual within E-TAS / TIS library:
- Division: Toyota
- Model: Sienna
- Year: 2011
- Service Category: Engine/Hybrid System
- Section:Emission Control
- Keyword: 2GR-FE Emission Control: Canister: Removal / Installation

- Division: Toyota
- Model: Prius
- Year: 2010
- Service Category: Engine/Hybrid System
- Section: Emission Control
- Keyword: 2ZR-FXE Emission Control: Canister: Removal / Installation

6. After the repair is complete, clear any DTCs, and perform the EVAP System Check again to confirm normal system operation and there are NO pending DTCs.

NOTE:
Issue of this Technical Service Bulletin is to ensure that proper repair information is available. IT DOES NOT CONSTITUTE AN AUTHORIZATION FOR REPAIR. Normal provisions of the formal warranty policy, as applicable, will apply.