Restraints - Abnormal Active Head Rest Operation
L-SB-0067-11August 11, 2011
Active Headrest Abnormal Operation
Service Category
Vehicle Interior
Section
Seat
Market
USA
Applicability
Introduction
Some 2010 - 2011 model year GS 350/450h/460 vehicles may exhibit a condition where the active headrest activates without a collision event causing a poor appearance. This condition may be present on both Front Seats.
A revised Active Headrest Lower Unit has been developed to address this condition.
Production Change Information
This TSIB applies to vehicles produced BEFORE the Production Change Effective VINs shown.
Parts Information
Required Tools & Equipment
Warranty Information
Repair Procedure
1. Visually confirm the condition by examining the front seat headrest(s). If the headrest is extended or deployed without a collision this TSIB may apply. If not follow the Repair Manual and/or collision repair manual for additional diagnostics.
2. Remove the front seat headrest assembly, No.2 seat adjuster control cable assembly and active headrest lower unit. Refer to the Technical Information System (TIS), applicable model and model year Repair Manual.
^ 2010 / 2011 GS 350/450h/460:
Vehicle Interior - Seat - "Front Seat Assembly: Removal"
^ 2010 / 2011 GS 350/450h/460:
Vehicle Interior - Seat - "Front Seat Assembly: Disassembly"
3. Replace the front seat headrest assembly, No.2 seat adjuster control cable assembly and NEW active headrest lower unit. Refer to the Technical Information System (TIS), applicable model and model year Repair Manual.
^ 2010 / 2011 GS 350/450h/460:
Vehicle Interior - Seat - "Front Seat Assembly: Reassembly"
^ 2010 / 2011 GS 350/450h/460:
Vehicle Interior - Seat - "Front Seat Assembly Installation"