Problem Symptoms Table
- Use the table below to help determine the cause of the problem symptom. 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.
- Problem symptoms may occur if the electric power control system's functions malfunction. Follow the HOW TO PROCEED WITH TROUBLESHOOTING procedures.
Display function
PROBLEM SYMPTOMS TABLE - DISPLAY FUNCTION
| Symptom | Suspected Area |
|---|---|
| Pressing power switch does not turn on system. | Display and navigation assembly power source circuit |
| AVC-Lan circuit | |
| Display and navigation assembly | |
| Black screen (no image appears on navigation/audio screen). | Proceed to "no image appears on multi-display" |
| Display and navigation assembly power source circuit | |
| Illumination circuit | |
| AVC-Lan circuit | |
| Display and navigation assembly | |
| Illumination for panel switch does not come on with TAIL switch on. | Proceed to "illumination for panel switch does not come on with tail switch on" |
| Illumination circuit | |
| Display and navigation assembly | |
| Display does not dim (night screen) with tail switch on. | Proceed to "display does not dim when light control switch is turned on" |
| Dimmer signal circuit | |
| Display and navigation assembly | |
| Power does not turn off (the screen remains on). | Display and navigation assembly power source circuit |
| Display and navigation assembly | |
| Panel switches do not function. | Proceed to "panel switches do not function" |
| Steering pad switch circuit | |
| Display and navigation assembly power source circuit | |
| Display and navigation assembly | |
| Touch panel switch does not function. | Proceed to "touch panel switch does not function" |
| Steering pad switch circuit | |
| Display and navigation assembly power source circuit | |
| Display and navigation assembly | |
| Navigation screen is not displayed. | Display and navigation assembly |
| Navigation screen flicker or color distortion. | Proceed to "screen flicker or color distortion" |
| Display and navigation assembly | |
| 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 assembly | |
| Navigation function switches can be operated while vehicle is running. | Vehicle SPEED SIGNAL CIRCUIT |
| HINT: *: for DVD Changer Models |
|
Navigation function
PROBLEM SYMPTOMS TABLE - NAVIGATION FUNCTION
| Symptom | Suspected Area |
|---|---|
| Vehicle position mark deviates greatly. | Proceed to "vehicle position mark deviates greatly" |
| Vehicle speed signal circuit | |
| Navigation antenna | |
| Display and navigation assembly | |
| Cursor or map rotates when vehicle is stopped. | Proceed to "cursor or map rotates when vehicle is stopped" |
| Display and navigation assembly | |
| Vehicle position mark is not updated. | Proceed to "vehicle position mark is not updated" |
| Display and navigation assembly | |
| Current position display does not appear. | Display and navigation assembly power source circuit |
| Navigation antenna | |
| Display and navigation assembly | |
| GPS Mark is not displayed. | Proceed to "GPS mark is not displayed" |
| Navigation antenna | |
| Display and navigation assembly | |
| Voice guidance does not function. | Proceed to "voice guidance does not function" |
| Navigation voice speaker circuit | |
| Stereo component amplifier | |
| Map display incomplete. | Proceed to "map display incomplete" |
| Display and navigation assembly | |
| Route cannot be calculated. | Proceed to "route cannot be calculated" |
| Display and navigation assembly | |
| Voice recognition difficulty. | Proceed to "voice recognition difficulty" |
| Display and navigation assembly | |
| Voice is not recognized | Proceed to "voice is not recognized" |
| Microphone circuit between overhead J/B and multi-display | |
| Steering pad switch circuit | |
| Microphone | |
| Microphone amplifier | |
| Display and navigation assembly | |
| Speed signal does not change in navigation check mode. | Vehicle speed signal circuit |
| Reverse signal does not change in navigation check mode. | Reverse signal circuit |
Steering pad switch function
PROBLEM SYMPTOMS TABLE - STEERING PAD SWITCH FUNCTION
| Symptom | Suspected Area |
|---|---|
| The system cannot be operated by steering pad switch. | Steering pad switch circuit |
| Radio receiver | |
| Illumination for steering pad switch does not come on with tail switch on. | Illumination circuit |
| Radio receiver |
Rear power seat module switch function
PROBLEM SYMPTOMS TABLE - REAR POWER SEAT MODULE SWITCH FUNCTION
| Symptom | Suspected Area |
|---|---|
| The system cannot be operated by rear power seat module switch | Rear seat control switch power source circuit |
| AVC-Lan circuit | |
| Radio receiver | |
| Stereo component amplifier | |
| Rear power seat module switch (for Power Seat) | |
| Rear power seat module switch (for Ottoman) | |
| Rear power seat module switch (for Fixed Seat Type) |
"Bluetooth" function
PROBLEM SYMPTOMS TABLE - BLUETOOTH FUNCTION
| Symptom | Suspected Area |
|---|---|
| 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 caller's voice cannot be heard, is too quiet, or distorted. | Proceed to "the other caller's voice cannot be heard, is too quiet, or distorted" |
| Display and navigation assembly | |
| 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 assembly |
Sound library function
PROBLEM SYMPTOMS TABLE - SOUND LIBRARY FUNCTION
| Symptom | Suspected Area |
|---|---|
| "recording error" is displayed | Proceed to "audio cannot be recorded to HDD" |
| CD songs cannot be recorded | Proceed to "audio cannot be recorded to HDD" |
| All songs recorded to HDD cannot be played | Proceed to "Audio recorded to HDD cannot be played" |
| HDD cannot be used when temperature is low | HDD cannot be used when temperature is low (-20 or less). Wait until cabin temperature has increased and check again. |
| Sound is not output only for songs in sound library | Sound signal circuit between radio receiver and multi-display |
| Sound signal circuit between multi-display controller and navigation assembly* | |
| Sound signal circuit between radio receiver and multi-display controller* | |
| Mute signal circuit between navigation assembly and multi-display controller* | |
| Mute signal circuit between radio receiver and multi-display controller* | |
| Replace radio receiver | |
| Replace display and navigation assembly | |
| Titles are not added to recorded songs | For new releases or when CDs that are not registered into CDDB are recorded, titles are not added |
| Titles are displayed when playing CDs, but titles of songs recorded into HDD are not displayed or titles are incorrect | For CD-TEXT type CDs, CD-TEXT title information is given priority and displayed. However, the sound library uses CDDB information. When CDs that are not registered into CDDB are recorded, titles are not added. |
| HINT: *: w/ Rear Seat Entertainment System |
|
SDARS system function
PROBLEM SYMPTOMS TABLE - SDARS SYSTEM FUNCTION
| Symptom | Suspected Area |
|---|---|
| Satellite radio tuner does not turn ON | Satellite radio tuner power source circuit |
| Replace satellite radio tuner | |
| Cannot change from FM / AM to satellite radio | Proceed to "cannot change from FM / am to satellite radio" |
| AVC-Lan circuit | |
| AVC-Lan plus circuit | |
| Replace satellite radio tuner | |
| Satellite radio broadcast cannot be received or reception is bad | Proceed to "satellite radio broadcast cannot be received" |
| Satellite radio tuner power source circuit | |
| Replace satellite radio tuner | |
| Only for satellite radio, sound from all speakers is not output or there is noise | Proceed to "noise occurs only with satellite radio" |
| Satellite radio tuner power source circuit | |
| Replace satellite radio tuner | |
| Only for satellite radio, sound from certain speakers is not output or there is noise | Proceed to "noise occurs only with satellite radio" |
| Satellite radio tuner power source circuit | |
| Replace satellite radio tuner | |
| Satellite radio cannot receive pay type broadcasts | Proceed to "satellite radio cannot receive pay type broadcasts" |
| Satellite radio broadcast cannot be selected | Proceed to "Satellite radio broadcast cannot be selected or after selecting broadcast, broadcast cannot be added into memory" |
| Replace satellite radio tuner | |
| Satellite radio broadcast cannot be selected or after selecting broadcast, broadcast cannot be added into memory | Proceed to "satellite radio broadcast cannot be selected or after selecting broadcast, broadcast cannot be added into memory" |
| Replace radio receiver | |
| Replace display and navigation assembly | |
| Traffic information is not displayed | Proceed to "traffic information is not displayed" |
| AVC-Lan plus circuit | |
| Replace satellite radio tuner | |
| Replace display and navigation assembly | |
| "Nav Traffic" logo is not displayed | Proceed to "traffic information is not displayed" |
| AVC-Lan plus circuit | |
| Replace satellite radio tuner | |
| Replace display and navigation assembly |