Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSCION2006XB L4-1.5L (1NZ-FE)REPAIR AND DIAGNOSISTECHNICAL SERVICE BULLETINSCUSTOMER INTERESTAUDIO SYSTEM - NOISE WHEN USING AN EXTERNAL DEVICE
2006 Scion xB L4-1.5L (1NZ-FE)
Audio System - Noise When Using An External Device
2006 Scion xB L4-1.5L (1NZ-FE)SECTION Audio System - Noise When Using An External Device
AUDIO
AU005-07
Title:
NOISE FROM AUXILIARY PORT WITH
EXTERNAL DEVICE
Models:
'06 Scion xA & xB & '06 - '07 Scion tC
August 10, 2007
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.
Applicable Vehicles
^ 2006 model year Scion XA and xB vehicles.
^ 2006 - 2007 model year Scion tC vehicles.

Parts Information

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.

Required Tools & Equipment
Repair Procedure

1. Remove the existing auxiliary port terminal from the vehicle.
Refer to the Technical Information System (TIS), applicable model year and model Repair Manual, Vehicle Interior - Interior Panels/Trim - "Instrument Panel: Rear Console Box: Removal".
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.
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.
AU005-07
Title:
NOISE FROM AUXILIARY PORT WITH
EXTERNAL DEVICE
Models:
'06 Scion xA & xB & '06 - '07 Scion tC
August 10, 2007
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.
Applicable Vehicles
^ 2006 model year Scion XA and xB vehicles.
^ 2006 - 2007 model year Scion tC vehicles.
Parts Information
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.
Required Tools & Equipment
Repair Procedure
1. Remove the existing auxiliary port terminal from the vehicle.
Refer to the Technical Information System (TIS), applicable model year and model Repair Manual, Vehicle Interior - Interior Panels/Trim - "Instrument Panel: Rear Console Box: Removal".
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.
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.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.