Restraints - Air Bag Lamp ON/DTC's B0111/B0116 Set: Overview
T-SB-0069-12May 1, 2012
SRS Airbag Light "ON" - B0111/B0116 Open Side Squib Circuit
Service Category
Vehicle Interior
Section
Supplemental Restraint Systems
Market
USA
Applicability
Introduction
Some 2005 - 2009 model year Sienna vehicles may exhibit an SRS lamp "ON" condition with Diagnostic Trouble Code (DTC) B0111 and/or B0116. An updated repair procedure is available to address this condition. Follow the procedures in this bulletin to repair the floor harness and repair or replace the side airbag squib circuit.
TSB Overview
After confirming the vehicle condition matches this bulletin, this TSB will direct you to repair the floor wire harness and depending on production date, replace or repair the side airbag squib circuit. The wire repair to the floor harness and side airbag squib circuit is only approved for vehicles covered by this TSB and is not approved for use on other vehicles. Carefully follow the steps outlined in this TSB to prevent damage to the vehicle.
Production Change Information
This TSB applies to vehicles produced BEFORE the Production Change Effective VINs shown.
Warranty Information
Parts Information
Required Tools & Equipment
Repair Procedure Overview
^ Section 1: Diagnostic Procedure
This procedure, using Techstream and TIS, will determine the correct repair method - Whether to replace or repair the side airbag wire harness and repair the floor harness.
^ Section 2: Side Airbag Assembly Replacement
This section will determine if side airbag replacement is needed or if the side airbag wire harness can be repaired.
^ Section 3: Wire Harness Repair
This section will provide the detailed steps to repair the SRS floor harness and SRS seat harness connectors.
Diagnostic Procedure
1. Follow the diagnostic procedure in the Repair Manual.
Refer to the Technical Information System (TIS), applicable model year Sienna Repair Manual:
If NO concern is identified after inspecting the floor harness and the center airbag sensor assembly, go to the next step to determine the correct repair procedure.
2. Has the side airbag been replaced?
YES - Repair the floor wire harness.
NO / Not Sure - See Side Airbag Assembly Replacement below.
Side Airbag Assembly Replacement
To determine if side airbag replacement is needed, refer to the chart.
NOTICE
^ This SRS wire harness repair has only been approved for vehicles covered in this TSB and is NOT approved for use on any other vehicles.
^ Follow the procedures outlined in this TSB to prevent damage the vehicle.