Canada - Restraint System - SRS Light ON DTC,s B0111/B0116
BulletinTSB2782
Issue Date
March 17, 2010
Title
SRS LIGHT "ON" DTC B0111/B0116 - OPEN IN SIDE SQUIB CIRCUIT
Component
BODY COMPONENTS
Models
'05-'09 GX470
INTRODUCTION:
Some 2005 - 2009 model year GX 470 vehicles may exhibit an SRS lamp "ON" condition with Diagnostic Trouble Code (DTC) B0111 and/or B0116. An updated wire harness is available to address this condition. Follow the procedures in this bulletin to replace the floor wire harness.
TSB OVERVIEW:
After confirming the vehicle condition matches this bulletin, this TSB will direct you to replace the floor wire harness. In order to do this, it is necessary to first remove several major components, such as the instrument panel, front seats, headliner, and seat belts. This bulletin provides detailed instructions on the removal and installation of these components.
APPLICABILITY:
PRODUCTION CHANGE INFORMATION:
This TSB applies to vehicles produced BEFORE the Production Change Effective VIN shown.
WARRANTY INFORMATION:
PARTS INFORMATION:
REQUIRED TOOLS & EQUIPMENT:
DIAGNOSTIC PROCEDURE:
1. Inspect the floor wire harness and the center airbag sensor assembly following the diagnostic procedure in the Repair Manual.
Refer to the Repair Manual within E-TAS / TIS library:
DTC B0111:
- Division: Lexus
- Model: GX470
- Year: 2005
- Service Category: Vehicle Interior
- Section: Supplemental Restraint Systems
- Keyword: Supplemental Restraint System: B0111/44 Open In Side Squib
- Division: Lexus
- Model: GX470
- Year: 2006/ 2007/ 2008/ 2009
- Service Category: Vehicle Interior
- Section: Supplemental Restraint Systems
- Keyword: Supplemental Restraint System: Airbag System: B0111/44 Open In Side Squib RH Circuit
DTC B0116:
- Division: Lexus
- Model: GX470
- Year: 2005
- Service Category: Vehicle Interior
- Section: Supplemental Restraint Systems
- Keyword: Supplemental Restraint System: B0116/48 Open In Side Squib
- Division: Lexus
- Model: GX470
- Year: 2006/ 2007/ 2008/ 2009
- Service Category: Vehicle Interior
- Section: Supplemental Restraint Systems
- Keyword: Supplemental Restraint System: Airbag System: B0116/48 Open In Side Squib LH Circuit
2. If NO concern is identified after inspecting the floor wire harness and the center airbag sensor assembly, follow the Repair Procedure below to replace the corresponding floor wire harness.
REPAIR PROCEDURE:REMOVAL
1. Remove the front seat based on wire harness replacement:
- DTC B0116: LH Side
- DTC B0111: RH Side
Refer to the Repair Manual within E-TAS / TIS library:
- Division: Lexus
- Model: GX470
- Year: 2005
- Service Category: Vehicle Interior
- Section: Seat
- Keyword: Front LH Seat Assy: Overhaul
- Division: Lexus
- Model: GX470
- Year: 2006/ 2007/ 2008/ 2009
- Service Category: Vehicle Interior
- Section: Seat
- Keyword: Seat: Front Seat Assembly (for LH Side): Removal
NOTE
Move the front seat to the middle position prior to disconnecting the battery. This will allow easy access to the 4 seat mounting bolts.
2. Partially remove the instrument panel.
A. Remove the shift lever knob sub-assembly.
B. Remove the No. 2 console upper panel garnish by disengaging the 3 clips.
C. Remove the No. 1 console upper panel garnish by disengaging the 4 clips.
D. Remove the upper console panel assembly by disengaging the 11 clips, then disconnect the connectors.
E. Remove the instrument panel garnish sub-assembly LH.
1. Using a moulding remover, disengage the 7 clips as shown in Figure 4.
2. Disconnect the connector and remove the instrument panel garnish sub-assembly LH.
F. Remove the instrument panel garnish sub-assembly RH.
G. Remove the lower center instrument cluster finish panel by disengaging the 5 clips, then disconnect the connectors.
H. Remove the integration control and panel assembly.
Loosen the bolt and remove the 4 bolts, 4 clips, and the integration control and panel assembly.
I. Remove the console rear end panel sub-assembly by disengaging the 2 clips and the 5 claws, then disconnect the connectors.
J. Remove the rear console box assembly by removing the 2 bolts and 2 screws.
K. Remove the front No. 2 console box insert.
1. Disengage the 2 claws.
2. Pull the front No. 2 console box insert towards the rear of the vehicle to remove it.
L. Remove the console box insert.
M. Remove the front console upper panel garnish by disengaging the 5 clips, then disconnect the connectors.
N. Remove the lower console box by removing the 2 bolts and 2 screws.
3. Remove the headliner.
Refer to the Repair Manual within E-TAS / TIS library:
- Division: Lexus
- Model: GX470
- Year: 2005
- Service Category: Vehicle Interior
- Section: Interior Panels/Trim
- Keyword: Roof Headlining Assy: Replacement
- Division: Lexus
- Model: GX470
- Year: 2006/ 2007/ 2008/ 2009
- Service Category: Vehicle Interior
- Section: Interior Panels/Trim
- Keyword: Interior: Roof Headlining: Removal
4. Remove the rear air conditioning unit.
Refer to the Repair Manual within E-TAS / TIS library:
- Division: Lexus
- Model: GX470
- Year: 2005
- Service Category: Vehicle Interior
- Section: Heating/Air Conditioning
- Keyword: Cooling (Rear) Unit Assy: Overhaul
- Division: Lexus
- Model: GX470
- Year: 2006/ 2007/ 2008/ 2009
- Service Category: Vehicle Interior
- Section: Heating/Air Conditioning
- Keyword: Air Conditioning: Rear Cooling Unit: Removal
LH Wire Harness ONLY (steps 5 - 7):
5. Disconnect the fuel pump assembly.
A. Remove the rear No. 1 seat assembly LH.
1. Remove the headrest.
2. Tumble the seat.
3. Disengage the claws, remove the rear seat cushion hinge covers No. 2 LH and RH.
4. Set the rear seat to the floor.
5. Disengage the claws, remove the rear seat cushion hinge covers No. 3 LH and RH.
6. Tumble the seat.
7. Remove the 3 bolts, nut, and the seat.
B. Remove the rear No. 1 floor step cover.
C. Remove the quarter scuff plate inside LH by removing the 2 bolts.
D. Remove the rear door scuff plate LH.
E. Remove the rear floor service hole cover.
1. Remove the rear floor carpet assembly.
2. Remove the 3 screws and the rear floor service hole cover.
3. Disconnect the connector.
6. Disconnect the rear combination light assembly.
Refer to the Repair Manual within E-TAS / TIS library:
- Division: Lexus
- Model: GX470
- Year: 2005
- Service Category: Vehicle Exterior
- Section: Lighting (ext)
- Keyword: Rear Combination Lamp Lens LH: Replacement
- Division: Lexus
- Model: GX470
- Year: 2006/ 2007/ 2008/ 2009
- Service Category: Vehicle Exterior
- Section: Lighting (ext)
- Keyword: Lighting: Rear Combination Light Assembly: Removal
7. Remove the spare tire.
NOTE
This will allow access to the charcoal canister connectors.
8. Remove the floor wire harness.
REPAIR PROCEDURE:INSTALLATION
NOTE
Installation is in the reverse order of removal. Only key points are mentioned below.
1. Install the rear cooling unit.
Refer to the Repair Manual within E-TAS / TIS library:
- Division: Lexus
- Model: GX470
- Year: 2005
- Service Category: Vehicle Interior
- Section: Heating/Air Conditioning
- Keyword: Cooling (Rear) Unit Assy: Overhaul
- Division: Lexus
- Model: GX470
- Year: 2006/ 2007/ 2008/ 2009
- Service Category: Vehicle Interior
- Section: Heating/Air Conditioning
- Keyword: Air Conditioning: Rear Cooling Unit: Installation
2. Install the headliner.
Refer to the Repair Manual within E-TAS / TIS library:
- Division: Lexus
- Model: GX470
- Year: 2005
- Service Category: Vehicle Interior
- Section: Interior Panels/Trim
- Keyword: Roof Headlining Assy: Replacement
- Division: Lexus
- Model: GX470
- Year: 2006/ 2007/ 2008/ 2009
- Service Category: Vehicle Interior
- Section: Interior Panels/Trim
- Keyword: Interior: Roof Headlining: Installation
3. Install the front seat assembly.
Torque: 37 N-m (377 kgf-cm, 27 ft-lbf)
4. RH seat ONLY:
Initialize the Occupant Classification System.
Refer to the Repair Manual within E-TAS / TIS library:
- Division: Lexus
- Model: GX470
- Year: 2005
- Service Category: Vehicle Interior
- Section: Supplemental Restraint Systems
- Keyword: Supplemental Restraint System: Initialization
- Division: Lexus
- Model: GX470
- Year: 2006/ 2007/ 2008/ 2009
- Service Category: Vehicle Interior
- Section: Supplemental Restraint Systems
- Keyword: Supplemental Restraint System: Occupant Classification System: Initialization
5. Clear DTCs.
6. Initialize power systems (windows, moonroof, etc.).
Refer to appropriate service bulletin.
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.