Audio System - Noise When Using Auxiliary Device
T-SB-0085-08Rev1
June 4, 2008
Noise from Auxiliary Port with External Device with Navigation System
Service Category
Audio/Visual/Telematics
Section
Audio/Video
Market
USA
Applicability
TSB REVISION NOTICE
^ November 18, 2009 Rev1:
^ Applicability has been updated to include 2009 model years.
Any previous printed versions of this service bulletin should be discarded.
Introduction
Some customers may notice a noise in the auxiliary mode of their audio system when using an MP3 player or other external audio source connected to the 12V power port on vehicles equipped with the Toyota Navigation System. An improved auxiliary port and in-line filter has been developed to improve this condition. Use the repair procedure below to install the new in-line filter and auxiliary port.
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 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 wire harness noise filter and condenser wire harness.
A. Connect the vehicle wire connector (4P) into the additional wire condenser (wire harness) part number 86237-34010.
B. Plug into condenser (noise filter).
C. Connect wire condenser (wire harness) part number 86237-33010 to the other side of the noise filter.
D. Secure the filter to the vehicle wire harness using wire ties (see example illustration shown in Figure 2).
E. Reinstall the auxiliary port.
3. Reassemble the vehicle in reverse order of disassembly.
4. Confirm there is no noise from the auxiliary port.