Emissions - MIL ON/DTC's P043E/P043F/P2401/P2402/P2419
ENGINEEG043-06
June 23, 2006
Title:
M.I.L. "ON" DTC P043E, P043F, P2401, P2402, & P2419
Models:
'05 - '06 Highlander (2AZ-FE)
Introduction
Some 2005 and 2006 model year Highlander vehicles may exhibit M.I.L. "ON" with DTCs P043E, P043F, P2401, P2402, and P2419 stored. The EVAP pump module, which is part of the charcoal canister assembly, has been improved to correct this condition.
NOTE:
All five DTCs MUST be present for this TSB to be applicable.
Applicable Vehicles:
^ 2005 - 2006 model year Highlander vehicles equipped with the 2AZ-FE engine and produced BEFORE the Production Change Effective VINs shown below.
Production Change Information
Parts Information
Warranty Information
Applicable Warranty:
^ This repair is covered under the Toyota Federal Emission Warranty. This warranty is in effect for 36 months or 36,000 miles, whichever occurs first, from the vehicle's in-service date. For California specification vehicles sold, registered, and operated in California, Maine, Massachusetts, and Vermont, this repair is covered under the California Emission Warranty, which is 36 months or 50,000 miles, whichever occurs first, from the vehicle's in-service date.
^ 2005 model year Highlander charcoal canister is covered under the California Emission Warranty. This warranty is in effect for 84 months or 70,000 miles, whichever occurs first, from the vehicle's in-service date.
* Warranty application is limited to correction of a problem based upon a customer's specific complaint.
Required SSTs
Repair Procedure
1. Using the Diagnostic Tester, check for Diagnostic Trouble Codes (DTCs).
If DTCs P043E, P043F, P2401, P2402, and P2419 are ALL present, refer to the Technical Information System (TIS):
^ 2005 model year Highlander Repair Manual: Diagnostics: SFI System (2AZ-FE): EVAP Inspection Procedure
^ 2006 model year Highlander Repair Manual: 2AZ-FE Engine Control System: SFI System: EVAP System
2. Replace the charcoal canister assembly if the EVAP pump module is diagnosed in the EVAP Inspection Procedure as the suspected area.
3. Using the Diagnostic Tester, clear all DTCs.
4. Perform the Automatic EVAP System Check and verify that NO pending DTCs set.
NOTE:
If the Automatic EVAP System Check fails to run, perform the following:
^ Turn the ignition key OFF.
^ Turn the Diagnostic Tester OFF.
^ Turn the ignition key ON and the Diagnostic Tester ON and restart the Automatic EVAP System Check.