Lighting - Headlamp Lens Discoloration
T-SB-0036-08April 15, 2008
Headlight Lens Discoloration
Service Category
Vehicle Exterior
Section
Lighting (ext)
Market
USA
Applicability
Introduction
Some 2004 - 2007 model year Highlander or 2006 - 2007 model year Highlander HV vehicles may exhibit a condition where the headlight lens cover and/or headlight bulb is discolored. Updated headlight assemblies have been developed to address this condition. The updated headlight assemblies have cosmetic changes so it is recommended to replace both the left and right assemblies together.
Production Change Information
This TSB applies to vehicles produced BEFORE the Production Change Effective VINs shown below.
Warranty Information
APPLICABLE WARRANTY
^ This repair is covered under the Toyota Comprehensive Warranty. This warranty is in effect for 36 months or 36,000 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.
Parts Information
For consistent appearance of the headlights, it is recommended to replace BOTH LH and RH assemblies at the same time.
Repair Procedure
CAUTION
Wait at LEAST 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretension activation.
Remove the left and right headlight assemblies and bulbs and replace with NEW headlight assemblies and bulbs.
Refer to the Technical Information System (TIS), applicable model and model year Repair Manual:
^ 2004 or 2005 Highlander, Vehicle Exterior - Lighting (ext) - "Headlamp Assy: Overhaul"
^ 2006 Highlander:
Vehicle Exterior - Lighting (ext) - "Lighting: Headlight Assembly: Removal and Installation"
^ 2007 Highlander:
Vehicle Exterior - Lighting (ext) - "Lighting: Headlight Assembly: Removal and Installation"
^ 2006 Highlander HV:
Vehicle Exterior - Lighting (ext) - "Lighting: Headlight Assembly: Removal and Installation"
^ 2007 Highlander HV:
Vehicle Exterior - Lighting (ext) - "Lighting: Headlight Assembly: Removal and Installation"