Problem Symptoms Table
WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
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.
Display
PROBLEM SYMPTOMS CHART - DISPLAY
| Symptom | Suspected Area | See |
|---|---|---|
| Black screen | Black screen | BLACK SCREEN |
| Multi-display controller power source circuit | MULTI-DISPLAY CONTROLLER POWER SOURCE CIRCUIT | |
| Television display power source circuit | TELEVISION DISPLAY POWER SOURCE CIRCUIT | |
| AVC-LAN circuit | AVC-LAN CIRCUIT | |
| Replace multi-display controller | REAR SEAT ENTERTAINMENT ECU | |
| Replace television display assembly | TELEVISION DISPLAY | |
| Replace GVIF cable | - | |
| Display screen is not stabilized | Television display screen is not stabilized | TELEVISION DISPLAY SCREEN IS NOT STABILIZED |
| Multi-display controller power source circuit | MULTI-DISPLAY CONTROLLER POWER SOURCE CIRCUIT | |
| Television display power source circuit | TELEVISION DISPLAY POWER SOURCE CIRCUIT | |
| Display signal circuit between multi-display controller and television display | DISPLAY SIGNAL CIRCUIT BETWEEN MULTI-DISPLAY CONTROLLER AND TELEVISION DISPLAY | |
| Replace television display assembly | TELEVISION DISPLAY | |
| Replace multi-display controller | REAR SEAT ENTERTAINMENT ECU | |
| Color on display screen is unusual | Color on television display screen is unusual | COLOR ON TELEVISION DISPLAY SCREEN IS UNUSUAL |
| Television display remote commander check in display check mode | DISPLAY CHECK MODE | |
| Display signal circuit between multi-display controller and television display | DISPLAY SIGNAL CIRCUIT BETWEEN MULTI-DISPLAY CONTROLLER AND TELEVISION DISPLAY | |
| Display signal circuit between multi-display and television display assembly | DISPLAY SIGNAL CIRCUIT BETWEEN MULTI-DISPLAY AND TELEVISION DISPLAY ASSEMBLY | |
| Display signal circuit between radio receiver and television display assembly | DISPLAY SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TELEVISION DISPLAY ASSEMBLY | |
| Display signal circuit between video terminal and television display | DISPLAY SIGNAL CIRCUIT BETWEEN VIDEO TERMINAL AND TELEVISION DISPLAY | |
| Replace multi-display controller | REAR SEAT ENTERTAINMENT ECU | |
| Navigation display appears on the multi-display, but does not appear on the television display | Navigation display appears on multi-display, but does not appear or is not stabilized on television display | NAVIGATION DISPLAY APPEARS ON MULTI-DISPLAY, BUT DOES NOT APPEAR OR IS NOT STABILIZED ON TELEVISION DISPLAY |
| Television display remote commander check in display check mode | DISPLAY CHECK MODE | |
| Display signal circuit between radio receiver and television display assembly | DISPLAY SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TELEVISION DISPLAY ASSEMBLY | |
| Display signal circuit between multi-display and television display assembly | DISPLAY SIGNAL CIRCUIT BETWEEN MULTI-DISPLAY AND TELEVISION DISPLAY ASSEMBLY | |
| Display signal circuit between video terminal and television display | DISPLAY SIGNAL CIRCUIT BETWEEN VIDEO TERMINAL AND TELEVISION DISPLAY | |
| Remote controller battery | - | |
| Replace GVIF cable | - | |
| Replace television display assembly | TELEVISION DISPLAY | |
| Replace multi-display | MULTI-DISPLAY (W/O NAVIGATION SYSTEM) | |
| Only DVD or VTR screen is not displayed or not stabilized | Only DVD or VTR screen does not appear or is not stabilized | ONLY DVD OR VTR SCREEN DOES NOT APPEAR OR IS NOT STABILIZED |
| Multi-display controller power source circuit | MULTI-DISPLAY CONTROLLER POWER SOURCE CIRCUIT | |
| Disc player controller power source circuit | DISC PLAYER CONTROLLER POWER SOURCE CIRCUIT | |
| Display signal circuit between multi-display controller and disc player controller | DISPLAY SIGNAL CIRCUIT BETWEEN MULTI-DISPLAY CONTROLLER AND DISC PLAYER CONTROLLER | |
| Replace disc player*3 | DISC PLAYER (FOR OTTOMAN) | |
| Replace multi-display controller | REAR SEAT ENTERTAINMENT ECU | |
| Only display screen input from the external device is not displayed or not stabilized | Only display screen of external device does not appear or is not stabilized | ONLY DISPLAY SCREEN OF EXTERNAL DEVICE DOES NOT APPEAR OR IS NOT STABILIZED |
| Multi-display controller power source circuit | MULTI-DISPLAY CONTROLLER POWER SOURCE CIRCUIT | |
| Display signal circuit between video terminal and television display | DISPLAY SIGNAL CIRCUIT BETWEEN VIDEO TERMINAL AND TELEVISION DISPLAY | |
| Replace video terminal (for Standard) | VIDEO TERMINAL (FOR STANDARD) | |
| Replace video terminal (for Ottoman) | VIDEO TERMINAL (FOR OTTOMAN) | |
| Replace multi-display controller | REAR SEAT ENTERTAINMENT ECU | |
| Television display does not turn on | Television display does not turn on | TELEVISION DISPLAY DOES NOT TURN ON |
| Television display power source circuit | TELEVISION DISPLAY POWER SOURCE CIRCUIT | |
| Replace television display assembly | TELEVISION DISPLAY | |
| Television display image has lines | Television display image has lines | TELEVISION DISPLAY IMAGE HAS LINES |
| Display signal circuit between radio receiver and television display assembly | DISPLAY SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TELEVISION DISPLAY ASSEMBLY | |
| Display signal circuit between video terminal and television display | DISPLAY SIGNAL CIRCUIT BETWEEN VIDEO TERMINAL AND TELEVISION DISPLAY | |
| Replace disc | - | |
| Replace television display assembly | TELEVISION DISPLAY | |
| Check NTSC/PAL setting on RSE image quality adjustment screen | - | |
| Television display screen is white | Television display screen is white | TELEVISION DISPLAY SCREEN IS WHITE |
| Display signal circuit between radio receiver and television display assembly | DISPLAY SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TELEVISION DISPLAY ASSEMBLY | |
| Display signal circuit between video terminal and television display | DISPLAY SIGNAL CIRCUIT BETWEEN VIDEO TERMINAL AND TELEVISION DISPLAY | |
| Replace disc | - | |
| Replace television display assembly | TELEVISION DISPLAY | |
| Adjust contrast | - |
Sound
PROBLEM SYMPTOMS CHART - SOUND
| Symptom | Suspected Area | See |
|---|---|---|
| Sound cannot be heard from sound library *1 | Sound signal circuit between multi-display controller and navigation assembly | SOUND SIGNAL CIRCUIT BETWEEN MULTI-DISPLAY CONTROLLER AND NAVIGATION ASSEMBLY |
| Quality of sound from wireless headphone is poor or no sound can be heard | Sound from wireless headphones is difficult to hear, cannot be heard, or quality is poor | SOUND FROM WIRELESS HEADPHONES IS DIFFICULT TO HEAR, CANNOT BE HEARD, OR QUALITY IS POOR |
| Multi-display controller power source circuit | MULTI-DISPLAY CONTROLLER POWER SOURCE CIRCUIT | |
| Television display power source circuit | TELEVISION DISPLAY POWER SOURCE CIRCUIT | |
| Sound signal circuit between multi-display controller and television display (Wireless headphone) | SOUND SIGNAL CIRCUIT BETWEEN MULTI-DISPLAY CONTROLLER AND TELEVISION DISPLAY | |
| Mute signal circuit between navigation assembly and multi-display controller*1 | MUTE SIGNAL CIRCUIT BETWEEN NAVIGATION ASSEMBLY AND MULTI-DISPLAY CONTROLLER | |
| Mute signal circuit between radio receiver and multi-display controlled*2 | MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND MULTI-DISPLAY CONTROLLER | |
| Mute signal circuit between disc player controller and multi-display controller*3 | MUTE SIGNAL CIRCUIT BETWEEN DISC PLAYER CONTROLLER AND MULTI-DISPLAY CONTROLLER | |
| Replace television display assembly | TELEVISION DISPLAY | |
| Replace multi-display controller | REAR SEAT ENTERTAINMENT ECU | |
| Replace disc player*3 | DISC PLAYER (FOR OTTOMAN) | |
| Quality of sound from headphone connected to headphone terminal is poor or no sound can be heard*3 | Sound from wired headphones is difficult to hear, cannot be heard, or quality is poor | SOUND FROM WIRED HEADPHONES IS DIFFICULT TO HEAR, CANNOT BE HEARD, OR QUALITY IS POOR |
| Multi-display controller power source circuit | MULTI-DISPLAY CONTROLLER POWER SOURCE CIRCUIT | |
| Disc player controller power source circuit*3 | DISC PLAYER CONTROLLER POWER SOURCE CIRCUIT | |
| Sound signal circuit between multi-display controller and headphone terminal*3 | SOUND SIGNAL CIRCUIT BETWEEN MULTI-DISPLAY CONTROLLER AND HEAD-PHONE TERMINAL | |
| Mute signal circuit between navigation assembly and multi-display controller*3 | MUTE SIGNAL CIRCUIT BETWEEN NAVIGATION ASSEMBLY AND MULTI-DISPLAY CONTROLLER | |
| Mute signal circuit between radio receiver and multi-display controlled | MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND MULTI-DISPLAY CONTROLLER | |
| Mute signal circuit between disc player controller and multi-display controllers | MUTE SIGNAL CIRCUIT BETWEEN DISC PLAYER CONTROLLER AND MULTI-DISPLAY CONTROLLER | |
| Replace multi-display controller | REAR SEAT ENTERTAINMENT ECU | |
| Replace disc player*3 | DISC PLAYER (FOR OTTOMAN) | |
| Only sound quality input from the external device is poor or no sound can be heard | Only sound from external device is difficult to hear, cannot be heard, or quality is poor | ONLY SOUND FROM EXTERNAL DEVICE IS DIFFICULT TO HEAR, CANNOT BE HEARD, OR QUALITY IS POOR |
| Sound signal circuit between video terminal and multi-display controller | SOUND SIGNAL CIRCUIT BETWEEN VIDEO TERMINAL AND MULTI-DISPLAY CONTROLLER | |
| Replace video terminal (for Standard) | VIDEO TERMINAL (FOR STANDARD) | |
| Replace video terminal (for Ottoman) | VIDEO TERMINAL (FOR OTTOMAN) | |
| Replace multi-display controller | REAR SEAT ENTERTAINMENT ECU | |
| HINT *1. w/ Navigation System (for HDD) *2: w/ Navigation System (for DVD) *3. w/ Disc Player |
||
Remote control
PROBLEM SYMPTOMS CHART - REMOTE CONTROL
| Symptom | Suspected Area | See |
|---|---|---|
| A remote control system does not operate | A remote control system does not operate | A REMOTE CONTROL SYSTEM DOES NOT OPERATE |
| Multi-display controller power source circuit | MULTI-DISPLAY CONTROLLER POWER SOURCE CIRCUIT | |
| Television display power source circuit | TELEVISION DISPLAY POWER SOURCE CIRCUIT | |
| AVC-LAN circuit | AVC-LAN CIRCUIT | |
| Replace television display assembly | TELEVISION DISPLAY | |
| Replace multi-display controller | REAR SEAT ENTERTAINMENT ECU |
Mechanical
PROBLEM SYMPTOMS CHART - MECHANICAL
| Symptom | Suspected Area | See |
|---|---|---|
| Television display cannot open, close and tilt | Television display cannot open, close and tilt | TELEVISION DISPLAY CANNOT OPEN, CLOSE AND TILT |
| Check remote controller battery | - | |
| Replace television display assembly | TELEVISION DISPLAY | |
| During television display open, close and tilt operation, operation sound is loud or abnormal sound occurs | During television display open, close and tilt operation, operation sound is loud or abnormal sound occurs | DURING TELEVISION DISPLAY OPEN, CLOSE AND TILT OPERATION, OPERATION SOUND IS LOUD OR ABNORMAL SOUND OCCURS |
| Replace television display assembly | TELEVISION DISPLAY |