Turning engine switch on (IG) does not turn on system.

Radio receiver power source circuit

Display and navigation assembly power source circuit*1

Multi-display power source circuit*2

AVC-LAN circuit

Radio receiver

Display and navigation module display*1

Multi-display*2

Panel switch does not function.

Steering pad switch circuit

AVC-LAN circuit

Radio receiver

No sound can be heard from speakers (audio is mute).

AVC-LAN circuit

Radio receiver power source circuit

Display and navigation assembly power source circuit*1

Multi-display power source circuit*2

Proceed to "No Sound can be Heard from Speakers"

Stereo component amplifier power source circuit

Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier"

Speaker circuit

Proceed to "Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier"

Stereo component amplifier

Radio receiver

Display and navigation module display*1

Multi-display*2

Only DVD sound cannot be heard or sound quality is bad.

Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier"

Stereo component amplifier

Radio receiver

Sound quality is bad in all modes (volume is too low).

Proceed to "Poor Sound Quality in All Modes (Low Volume)"

Speaker circuit

Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier"

Proceed to "Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier"

Stereo component amplifier

Radio receiver

ASL does not function.

Proceed to "Vehicle Speed Signal Circuit between Stereo Component Amplifier and Component Meter"

External device sound cannot be heard or sound quality is bad (stereo jack is used).

Radio receiver power source circuit

Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter"

Stereo jack adapter

Radio receiver

Noise occurs.

Proceed to "Noise Occurs"

Stereo component amplifier

Radio receiver

Radio broadcast cannot be received (poor reception).

Proceed to "Radio Broadcast cannot be Received (Poor reception)"

Disc cannot be inserted or is ejected right after insertion.

Radio receiver power source circuit

Proceed to "Disc cannot be Inserted or is Ejected Right After Insertion"

Radio receiver

Disc cannot be ejected.

Radio receiver power source circuit

Proceed to "Disc cannot be Ejected"

Radio receiver

Sound quality is bad only when CD is played (volume is too low).

Proceed to "Sound Quality is Bad Only when CD is Played (Volume is Too Low)"

CD/DVD sound skips.

Proceed to "CD/DVD Sound Skips"

Radio receiver

Illumination for radio receiver does not come on with light control switch on.

Illumination circuit

Radio receiver

Sound cannot be heard from sound library.*1

Navigation System

Turning engine switch on (IG) does not turn on system.

Multi-display power source circuit*2

Display and navigation assembly power source circuit*1

AVC-LAN circuit

Display and navigation module display*1

Multi-display*2

Black screen (no image appears on audio screen).

Proceed to "No Image Appears on Multi-display"

Display and navigation assembly power source circuit*1

Multi-display power source circuit*2

Illumination circuit

AVC-LAN circuit

Display and navigation module display*1

Multi-display*2

Illumination for panel switch does not come on with light control switch on.

Proceed to "Illumination for Panel Switch does not Come on with Tail Switch On"

Illumination circuit

Display and navigation module display*1

Multi-display*2

Display does not dim (night screen) with light control switch turned on.

Proceed to "Display does not Dim when Light Control Switch is turned ON"

Display and navigation module display*1

Multi-display*2

System does not turn off (screen remains on).

Multi-display power source circuit*2

Display and navigation assembly power source circuit*1

Display and navigation module display*1

Multi-display*2

Panel switches do not function.

Proceed to "Panel Switches do not Function"

Steering pad switch circuit

Multi-display power source circuit*2

Display and navigation assembly power source circuit*1

Display and navigation module display*1

Multi-display*2

Touch panel switch does not function.

Proceed to "Touch Panel Switch does not Function"

Steering pad switch circuit

Multi-display power source circuit*2

Display and navigation assembly power source circuit*1

Display and navigation module display*1

Multi-display*2

DVD image cannot be displayed on multi-display (parking brake is on).

Proceed to "Display Signal Circuit between Multi-display and Radio Receiver"

Parking brake switch circuit

Radio receiver

Display and navigation module display*1

Multi-display*2

Coaxial cable

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System cannot be operated by steering pad switch.

Steering pad switch circuit

Radio receiver

Illumination for steering pad switch does not come on with light control switch on.

Illumination circuit

Steering pad switch

Cellular phone registration failure, phone directory transfer failure.

Proceed to "Cellular Phone Registration Failure, Phone Directory Transfer Failure"

Cellular phone cannot send/receive.

Proceed to "Cellular Phone cannot Send/Receive"

Steering pad switch circuit

Radio receiver

Cannot call in a certain place.

Proceed to "Cannot Call in a Certain Place"

The other callers voice cannot be heard, is too quiet, or distorted.

Proceed to "The Other Callers Voice cannot be Heard, is too Quiet, or Distorted"

Display and navigation module display*1

Multi-display*2

The other caller cannot hear your voice, or your voice is too quiet or distorted.

Proceed to "The Other Caller cannot Hear Your Voice, or Your Voice is too Quiet or Distorted"

Microphone circuit between overhead J/B and multi-display

Microphone

Microphone amplifier

Display and navigation module display*1

Multi-display*2