Ignition System - MIL ON/DTC's P0351-P0354 Set
S-SB-0028-09May 21, 2009
M.I.L. "ON" DTC P0351, P0352, P0353 and/or P0354
Service Category
Engine/Hybrid System
Section
Engine Control
Market
USA
Applicability
Introduction
Some 2008-2009 model year xB vehicles may exhibit a M.I.L. "ON" condition with Diagnostic Trouble Codes (DTCs) P0351 P0352, P0353 and/or P0354 (Ignition Coil Primary/Secondary Circuit) stored in the Engine Control Module/ECM (SAE term: Power Control Module/PCM). The ignition coil assembly has been improved to address this condition. Use the following repair procedure to address customer concerns.
In some cases, a DTC P2237 (Oxygen (A/F) Sensor Pumping Current Circuit/Open) may also set. Perform the repair procedure in this bulletin first; the ignition coil may be the cause of DTC P2237.
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, Connecticut, Maine, Massachusetts, New Jersey (starting with 09 MY), Oregon (starting with 09 MY), Pennsylvania, Rhode Island, Vermont and Washington (starting with 09 MY), this repair is covered under the California Emission Warranty. This warranty is in effect for 36 months or 50,000 miles, whichever comes first, from the vehicle's in-service date.
^ Warranty application is limited to correction of a problem based upon a customer's specific complaint.
Production Change Information
This TSB applies to vehicles produced BEFORE the Production Change Effective VIN shown.
Parts Information
Required Tools & Equipment
Additional TIS Techstream units may be ordered by calling Approved Dealer Equipment (ADE).
Repair Procedure
1. Replace the ignition coil for the cylinder or cylinders identified by the DTC. Refer to the Technical Information System (TIS) applicable model year Scion xB Repair Manual:
^ 2008 / 2009 Scion xB (for DTCs P0351 P0352 P0353 P0354):
Engine/Hybrid System - Engine Control - "2AZ-FE Engine Control System: SF1 System: P0351: Ignition Coil A Primary / Secondary Circuit"
2. After replacing the ignition coil clear all DTCs and verify that no DTCs reset.
If another cylinder sets a P035 # DTC during or after the repair procedure, replace additional ignition coils as necessary.
3. Warm vehicle to operating temperature and test drive to verify repair.