2010 Lexus ES 350 V6-3.5L (2GR-FE) Copyright ? 2013, ALLDATA 10.52SS Page 1
Vehicle: All Technical Service Bulletins
A/C - Odors From Dash Vents With A/C On
L-SB-0129-11
October 10, 2011
HVAC Odor
Service
Category
Vehicle Interior
Section
Heating/Air Conditioning
Market
USA
Applicability
Introduction
Under certain temperature conditions, some vehicles may exhibit an unpleasant odor coming from the face level HVAC vents during the initial
10-30 seconds of HVAC system operation. An HVAC Amplifier is now available with updated logic that will direct air away from the face level
vents under certain temperature conditions during the first 10-30 seconds of HVAC operation.
This TSIB does NOT apply if the vehicle exhibits the following conditions:
^ The unpleasant odor continues after the initial 10-30 seconds of HVAC system operation.
^ The unpleasant odor does not begin immediately after the HVAC system is turned ON.
^ The unpleasant odor is present with the HVAC system OFF.
NOTE
If these conditions exist, continue to diagnose the source of the odor using the applicable Repair Manual.
Production Change Information
This TSB applies to vehicles produced BEFORE the Production Change Effective VIN shown.
Parts Information
2010 Lexus ES 350 V6-3.5L (2GR-FE) Copyright ? 2013, ALLDATA 10.52SS Page 2
Warranty Information
Repair Procedure
1. Duplicate the condition by performing the following:
A. Park the vehicle outside.
B. Set the HVAC system to Low Fan Speed and Face Mode.
C. Turn the HVAC system OFF.
D. Turn the vehicle OFF.
E. Let the vehicle sit for at least 2 hours.
F. Turn vehicle ON.
G. Turn ON the HVAC system.
NOTE
If the unpleasant odor does not start immediately after the HVAC system is turned ON or continues for more than 30 seconds this TSIB
does NOT apply.
2. Remove the NC Amplifier. Refer to the Technical Information System (TIS), applicable model and model year Repair Manual:
2010 / 2011 ES 350:
Vehicle Interior - Heating/Air Conditioning - Air Conditioning - 'Air Conditioning Amplifier: Removal"
3. Install the updated A/C amplifier. Refer to TIS, applicable model and model year Repair Manual:
2010 / 2011 ES 350:
Vehicle Interior - Heating/Air Conditioning - Air Conditioning - "Air Conditioning Amplifier: Installation"
4. Verify Proper HVAC System Operation.
