AUDIO AND VISUAL SYSTEM (w/ Multi-display) > PROBLEM SYMPTOMS TABLE

for Preparation Click here


HINT:
  1. Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  2. Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Display Function 
Symptom
Suspected Area
See page
Black screen (No image appears on navigation/audio screen.)
Proceed to "Black Screen"
Click here
Proceed to "Illumination Circuit"
Click here
Navigation receiver assembly
Click here
Display does not dim (does not change to night screen) with tail switch on.
Proceed to "Display does not Dim when Light Control Switch is Turned ON"
Click here
Proceed to "Illumination Circuit"
Click here
Navigation receiver assembly
Click here
Power does not turn off (Screen remains on).
Proceed to "Radio Receiver Power Source Circuit"
Click here
Navigation receiver assembly
Click here
Display panel does not open, tilt, or tilts improperly.
Proceed to "Display Panel does not Open, Tilt, or Tilts Improperly"
Click here
Proceed to "Radio Receiver Power Source Circuit"
Click here
Navigation receiver assembly
Click here
Screen is distorted.
Proceed to "Radio Receiver Power Source Circuit"
Click here
Navigation receiver assembly
Click here
Screen flicker or color is distorted.
Proceed to "Screen Flicker or Color Distortion"
Click here
Proceed to "Radio Receiver Power Source Circuit"
Click here
Navigation receiver assembly
Click here
DVD image cannot be displayed on front screen. (Parking brake is on.)
Proceed to "Parking Brake Switch Circuit"
Click here
Navigation receiver assembly
Click here
Reverse signal does not change in vehicle signal check mode.
Proceed to "Reverse Signal Circuit"
Click here

Panel Switch and Touch Switch Function 
Symptom
Suspected Area
See page
Illumination for panel switches does not come on with tail switch on.
Proceed to "Illumination for Panel Switch does not Come on with tail Switch ON"
Click here
Proceed to "Illumination Circuit"
Click here
Navigation receiver assembly
Click here
Panel switches do not function.
Proceed to "Panel Switches do not Function"
Click here
Proceed to "Radio Receiver Power Source Circuit"
Click here
Navigation receiver assembly
Click here
Touch panel switch does not function.
Proceed to "Touch Panel Switch does not Function"
Click here
Proceed to "Radio Receiver Power Source Circuit"
Click here
Navigation receiver assembly
Click here

Steering Pad Switch Function 
Symptom
Suspected Area
See page
The system cannot be operated by steering pad switch.
Proceed to "Steering Pad Switch Circuit"
Click here
Navigation receiver assembly
Click here
Illumination for steering pad switch does not come on with tail switch on.
Proceed to "Illumination Circuit"
Click here
Navigation receiver assembly
Click here

General Audio Function 
Symptom
Suspected Area
See page
Pressing power switch does not turn on system.
Proceed to "Pressing Power Switch does not Turn on System"
Click here
Proceed to "Radio Receiver Power Source Circuit"
Click here
Navigation receiver assembly
Click here
No sound can be heard from speakers (Audio is mute).
Proceed to "No Sound can be Heard from Speakers"
Click here
Proceed to "Speaker circuit"
Click here
Navigation receiver assembly
Click here
Abnormal noise occurs.
Proceed to "Noise Occurs"
Click here
Poor sound quality in all modes (Low volume).
Proceed to "Poor Sound Quality in All Modes (Low Volume)"
Click here
Proceed to "Speaker circuit"
Click here
Proceed to "Radio Receiver Power Source Circuit"
Click here
Navigation receiver assembly
Click here
ASL does not function.
Check that the ASL function is on
-
Navigation receiver assembly
Click here

FM or AM Radio Function 
Symptom
Suspected Area
See page
Radio broadcast cannot be received or poor reception.
Proceed to "Radio Broadcast cannot be Received or Poor Reception"
Click here

CD or DVD Player Function 
Symptom
Suspected Area
See page
Disc cannot be inserted/played or disc is ejected right after insertion.
Proceed to "Disc cannot be Inserted or is Ejected Right After Insertion"
Click here
Disc cannot be ejected.
Proceed to "Disc cannot be Ejected"
Click here
CD/DVD sound skips.
Proceed to "CD/DVD Sound Skips"
Click here

AUX Function 
Symptom
Suspected Area
See page
External device sound cannot be heard or sound quality is bad.
Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter"
Click here
No. 1 stereo jack adapter assembly
Click here
Navigation receiver assembly
Click here
"AUX" is not displayed on system check mode screen.
Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter"
Click here
Navigation receiver assembly
Click here

"Bluetooth" Hands-free Function 
Symptom
Suspected Area
See page
Bluetooth is inoperative.
Proceed to "Microphone Circuit between Microphone and Radio Receiver"
Click here
Telephone microphone assembly
Click here
Navigation receiver assembly
Click here
Cellular phone registration failure, phone directory transfer failure
Proceed to "Cellular Phone Registration Failure, Phone Directory Transfer Failure"
Click here
Cellular phone cannot send/receive.
Proceed to "Cellular Phone cannot Send/Receive"
Click here
Proceed to "Steering Pad Switch Circuit"
Click here
Navigation receiver assembly
Click here
Cannot call in a certain place.
Proceed to "Cannot Call in a Certain Place"
Click here
The other callers voice cannot be heard, is too quiet, or distorted.
Proceed to "The Other Caller's Voice cannot be Heard, is Quiet, or Distorted"
Click here
Navigation receiver assembly
Click here
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"
Click here
Proceed to "Microphone Circuit between Microphone and Radio Receiver"
Click here
Telephone microphone assembly
Click here
Navigation receiver assembly
Click here
Voice guidance does not function.
Proceed to "Voice Guidance does not Function"
Click here
Proceed to "Speaker Circuit"
Click here
Program disc
-
Navigation receiver assembly
Click here
"MIC" is not displayed on system check mode screen.
Proceed to "Microphone Circuit between Microphone and Radio Receiver"
Click here
Navigation receiver assembly
Click here