Audio System

Component Location Index
- With Navigation
- Without Navigation
General Troubleshooting Information
- How to Check for DTCs with the HDS
- Lever-Locked Connector
  - Disconnecting
  - Connecting
Symptom Troubleshooting Index
System Description
- Overview
  - Notes
  - HDD Recording (with navigation)
  - Anti-Theft Feature
    - Notes
    - Speed-Sensitive Volume Compensation (SVC)
  - Block Diagram
- Audio-Navigation Unit Connector for Inputs and Outputs
- AUDI-Navigation Unit Connector A (24P)
- Audio-Navigation Unit Connector B (28P)
- Audio-Navigation Unit Connector C (14P)
- Audio-Navigation Unit Connector D (24P)
- Audio-Navigation Unit Connector E (20P)
- AUDIO-NAVIGATION UNIT CONNECTOR F (16P) (With rear entertainment)
- Audio-Navigation Unit Connector G (5P)
- Audio-Navigation Unit Connector K (7P)
- Audio Unit Connector for Inputs and Outputs (With climate control)
  - With USB adapter
  - Without USB adapter
- Audio Unit Connector A (24P)
- Audio Unit Connector C (14P)
- Audio Unit Connector D (20P)
- Audio Unit Connector E (16P)
- AUDIO UNIT CONNECTOR F (28P) (With rear entertainment)
- Audio Unit Connector G (3P)
- Audio Unit Connector for Inputs and Outputs (Without climate control)
- Stereo Amplifier Connector for Inputs and Outputs
- Stereo Amplifier Connector A (24P)
- Stereo Amplifier Connector B (28P)
- Active Noise Cancellation Unit Connector for Inputs and Outputs (with navigation)
- Active Noise Cancellation Unit 20P Connector
- XM Receiver Connector for Inputs and Outputs
- XM Receiver Connector A (14P)
- XM Receiver Connector B (2P)
- Audio Display-USB Adapter Control Unit Connector for Inputs and Outputs (with USB adapter)
- Audio Display-USB Adapter Control Unit Connector A (32P)
- Audio Display-USB Adapter Control Unit Connector B (7P)
- Audio-HVAC Display Unit Connector for Inputs and Outputs (without USB adapter, with climate control)
- Audio-HVAC Display Unit 12P Connector
- Audio-HVAC Display Unit Connector for Inputs and Outputs (without USB adapter and climate control)
- Audio-HVAC Display Unit 16P Connector
- Audio Switch Panel Connector for Inputs and Outputs
- Audio Switch Panel 12P Connector
- Rearview Camera Connector for Inputs and Outputs (without navigation)
- Rearview Camera 6P Connector
- Active Noise Cancellation Microphone Connector for Inputs and Outputs
  - Front HFL-Navigation-ANC Microphone or Front HFL-ANC Microphone (with HandsFreeLink)
  - Front Active Noise Cancellation Microphone (without HandsFreeLink)
  - Rear Active Noise Cancellation Microphone
- Front HFL-Navigation-ANC Microphone 7P Connector
- Front Active Noise Cancellation Microphone 3P Connector
- Rear Active Noise Cancellation Microphone 3P Connector
- Auxiliary Jack Assembly Connector for Inputs and Outputs
- Auxiliary Jack Assembly 5P Connector
Circuit Diagram
- With Navigation
- Without Navigation (with USB adapter)
- Without Navigation (without USB adapter)
Self-Diagnostic Function
- How to Obtain the Audio Unit Serial Number
- How to Check the Audio System Condition
- Active Noise Cancellation System Check Mode (press No. 1 button)
- Audio Button, Knob, and Audio Remote Switch Detection Mode (press No. 2 button)
- Entire LCD Lighting/Lights-Outs Mode (press No. 3 button)
- Illumination Level (for the Gauge Illumination) Indication (press No. 4 button)
- Vehicle Speed Pulse Indication (press No. 5 button)
- Record Control Mode (press CDL button or CD/CDL button)
- Reception Level Indication Mode (press and hold FM button or AM button for 5 sec)
- System Reset Mode (without navigation)
- Speaker Check Mode
- XM Self-Diagnosis
- Display Diagnosis (without navigation with USB adapter)
Error Codes
Symptom Troubleshooting
- Poor AM or FM radio reception or interference (with navigation)
- Poor AM or FM radio reception or interference (without navigation)
- Audio-Navigation unit power switch will not turn on (No information display and no sound) (with navigation)
- Audio unit power switch will not turn on (No information display and no sound) (without navigation)
- Audio-Navigation unit power switch will not turn off (with navigation)
- Audio unit power switch will not turn off (without navigation)
- No sound is heard from the speaker(s) (display is normal) (with navigation and rear entertainment)
- No sound is heard from the speaker(s) (display is normal) (with navigation, without rear entertainment)
- No sound is heard from the speaker(s) (display is normal) (without navigation)
- Auxiliary input sound is low or cannot be heard (with navigation)
- Auxiliary input sound is low or cannot be heard (without navigation)
- Audio system sound is weak or distorted (display is normal) (with navigation)
- Audio system sound is weak or distorted (display is normal) (without navigation)
- Radio preset memory is lost
- Volume does not change
- Volume does not increase with speed (with navigation)
- Volume does not increase with speed (without navigation)
- Volume is too high or too low when driving at freeway speeds
- Radio tuner does not change stations
- Audio system information does not display on the audio display-USB adapter control unit
- Audio system information does not display on the audio-HVAC display unit (with climate control)
- Audio system information does not display on the audio-HVAC display unit (without climate control)
- Rearview camera image does not come on or work properly (without navigation)
- Audio switch panel button dos not work properly
- Audio-Navigation unit button illumination does not work
- Audio unit button illumination does not work
- Audio remote switch does not work properly (with navigation)
- Audio remote switch does not work properly (without navigation)
- Audio disc does not load
- Audio disc does not eject
- Audio disc does not play
- Audio disc skips
- Audio system button does not work (with navigation)
- Audio system button does not work (without navigation)
- Audio-Navigation unit disc indicator does not work (with navigation)
- Audio unit disc indicator does not work (without navigation)
- USB device does not function (with navigation)
- USB device does not function (without navigation)
- USB input sound is low or cannot be heard (with navigation)
- USB input sound is low or cannot be heard (without navigation)
- Booming sound while driving with audio unit on or off (with navigation)
- Booming sound while driving with audio unit on or off (without navigation)
- Error code: XM NO SIGNAL is displayed (with navigation)
- Error code: XM NO SIGNAL is displayed (without navigation)
- Error code: XM ANTENNA or XM LOADING is displayed
- XM radio display is blank and no station information is displayed (with navigation)
- XM radio display is blank and no station information is displayed (without navigation)
- XM radio preset memory is lost (with navigation)
- XM radio preset memory is lost (without navigation)
- Poor or no sound with XM radio (Audio unit does display XM channels) (with navigation)
- Poor or no sound with XM radio (Audio unit does display XM channels) (without navigation)
Sound Quality Diagnosis
- Notes
- Left/Right Channel ID
- Phase Test
- Electrical Noise Test
- Individual Speaker Test
- Sound Balance Test
- Frequency Sweep
- Sound Judging
- Seek Stop Test
Audio Unit Removal/Installation
Audio Display-USB Adapter Control Unit Removal/Installation
Audio-HVAC Display Unit Removal/Installation
Stereo Amplifier Removal/Installation
Active Noise Cancellation Unit Removal/Installation
XM Receiver Removal/Installation
Active Noise Cancellation Microphone Removal/Installation
- Front
- Rear
Speaker Test/Replacement
- Door Speaker and Test
- Center Speaker and Test
- Tweeter and Test
- Satellite Speaker and Test
- Subwoofer and Test
Audio Switch Panel Removal/Installation
Audio Remote Switch Test
Audio Remote Switch Replacement
- With HandsFreeLink
- Without HandsFreeLink
Rearview Camera Removal/Installation
- Without Navigation
AM/FM Antenna Amplifier Replacement
Window Antenna Repair
XM Antenna Replacement
USB Adapter Holder/Auxiliary Jack Assembly Replacement
Auxiliary Jack Assembly Replacement