Audio System - Noise When Using Auxiliary Devices

L-SB-0169-09

November 18, 2009

Noise From Auxiliary Port With External Device

Service Category

Audio/Visual/Telematics

Section
Audio/Video

Market
USA





Applicability

The information contained in this TSIB supersedes TSIB No. AU001-07.

Applicability has been updated to include 2009 model year ES, IS & LS vehicles.

TSIB No. AU001-07 is Obsolete and any printed versions should be discarded. Be sure to review the entire content of this service bulletin before proceeding.

Introduction

Some customers may notice noise in the auxiliary mode of the radio when using an MP3 player or other external audio source connected to the 12V power port of the vehicle. An improved auxiliary port and in-line filter has been developed to improve this condition. Use the repair procedure to install the new in-line filter and auxiliary port.





Warranty Information

APPLICABLE WARRANTY

^ This repair is covered under the Lexus Comprehensive Warranty. This warranty is in effect for 48 months or 50,000 miles, whichever occurs first, from the vehicle's in-service date.

^ Warranty application is limited to occurrence of the specified condition described in this bulletin.





Parts Information





Required Tools & Equipment

Repair Procedure

1. Remove the existing auxiliary port terminal from the vehicle.





Refer to the Technical Information System (TIS):

2. Install the revised auxiliary port wire harness and noise filter.

Tape the noise filter to the back side of the trim panel near the auxiliary port ensuring the filter does NOT touch other parts or the wiring harnesses in the vehicle.

NOTE

Steps A - D are generic installation instructions.





A. Connect the vehicle wire connector (4P) into the filter and connect the filter wire connector (8P) into the filter.





B. Secure the filter to the vehicle wire harness using wire ties.





C. Install the NEW auxiliary port to the console box.





D. Connect the filter wire connector (8P) into the NEW auxiliary port.

3. Reassemble the vehicle in reverse order of disassembly.

4. Verify proper operation and that NO noise persists in the auxiliary mode of the audio system.