Problem Symptoms Table
HINT:
- Before inspecting the suspected areas listed in the table below, check the fuse and relay.
- Before inspecting the suspected areas listed in the table below, check the DTCs.
- Methods used to verify the cause of the problem are listed in order of probability in the suspected area column.
Display function:
SYMPTOM CHART
| Symptom | Suspected area | See | ||
|---|---|---|---|---|
| Pressing PWR switch does not turn on system. | 1. Proceed to "Pressing Power Switch does not Turn ON System" | PRESSING POWER SWITCH DOES NOT TURN ON SYSTEM | ||
| 2. Multi-display power source circuit | MULTI-DISPLAY POWER SOURCE CIRCUIT | |||
| 3. AVC-LAN circuit | AVC-LAN CIRCUIT | |||
| 4. Multi-display | MULTI-DISPLAY | |||
| Black screen (No image appears on navigation/audio screen). | 1. Proceed to "No Image Appears on Multi-display" | NO IMAGE APPEARS ON MULTI-DISPLAY | ||
| 2. Multi-display power source circuit | MULTI-DISPLAY POWER SOURCE CIRCUIT | |||
| 3. Illumination circuit | ILLUMINATION CIRCUIT | |||
| 4. AVC-LAN circuit | AVC-LAN CIRCUIT | |||
| 5. Multi-display | MULTI-DISPLAY | |||
| Illumination for panel switch does not come on with TAIL switch on. | 1. Proceed to "Illumination for Panel Switch does not Come on with Tail Switch ON" | ILLUMINATION FOR PANEL SWITCH DOES NOT COME ON WITH TAIL SWITCH ON | ||
| 2. Illumination circuit | ILLUMINATION CIRCUIT | |||
| 3. Multi-display | MULTI-DISPLAY | |||
| Display does not dim (Night Screen) with TAIL switch on. | 1. Proceed to "Display does not DIM when Light Control Switch is Turned ON" | DISPLAY DOES NOT DIM WHEN LIGHT CONTROL SWITCH IS TURNED ON | ||
| 2. Illumination circuit | ILLUMINATION CIRCUIT | |||
| 3. Multi-display | MULTI-DISPLAY | |||
| Power does not turn off (The screen remains on). | 1. Multi-display power source circuit | MULTI-DISPLAY POWER SOURCE CIRCUIT | ||
| 2. Multi-display | MULTI-DISPLAY | |||
| Panel switches do not function. | 1. Proceed to "Panel Switches do not Function" | PANEL SWITCHES DO NOT FUNCTION | ||
| 2. Steering pad switch circuit | STEERING PAD SWITCH CIRCUIT | |||
| 3. Multi-display power source circuit | MULTI-DISPLAY POWER SOURCE CIRCUIT | |||
| 4. Multi-display | MULTI-DISPLAY | |||
| Touch panel switch does not function. | 1. Proceed to "Touch Panel Switch does not Function" | TOUCH PANEL SWITCH DOES NOT FUNCTION | ||
| 2. Steering pad switch circuit | STEERING PAD SWITCH CIRCUIT | |||
| 3. Multi-display power source circuit | MULTI-DISPLAY POWER SOURCE CIRCUIT | |||
| 4. Multi-display | MULTI-DISPLAY | |||
| Navigation screen is not displayed. | 1. Proceed to "Display Signal Circuit between Navigation ECU and Multi-display" | DISPLAY SIGNAL CIRCUIT BETWEEN NAVIGATION ECU AND MULTI-DISPLAY | ||
| 2. Map disc | - | |||
| 3. Navigation ECU | NAVIGATION ECU | |||
| 4. Multi-display | MULTI-DISPLAY | |||
| Navigation screen flicker or color distortion. | 1. Proceed to "Screen Flicker or Color Distortion" | SCREEN FLICKER OR COLOR DISTORTION | ||
| 2. Proceed to "Display Signal Circuit between Navigation ECU and Multi-display" | DISPLAY SIGNAL CIRCUIT BETWEEN NAVIGATION ECU AND MULTI-DISPLAY | |||
| 3. Navigation ECU | NAVIGATION ECU | |||
| 4. Multi-display | MULTI-DISPLAY | |||
| DVD image cannot be displayed on multi-display. (Parking brake is on.) ((1)) | 1. Proceed to "Display Signal Circuit between Multi-display and Radio Receiver | DISPLAY SIGNAL CIRCUIT BETWEEN MULTI-DISPLAY AND RADIO RECEIVER | ||
| 2. Parking brake switch circuit | PARKING BRAKE SWITCH CIRCUIT | |||
| 3. Radio Receiver | INSTALLATION | |||
| 4. Multi-display | MULTI-DISPLAY | |||
| Navigation function switches can be operated while vehicle is running. | Proceed to "Vehicle Speed Signal Circuit between Multi-display and Combination Meter" | VEHICLE SPEED SIGNAL CIRCUIT BETWEEN MULTI-DISPLAY AND COMBINATION METER | ||
|
||||
Navigation function:
NAVIGATION FUNCTION SYMPTOM CHART
| Symptom | Suspected area | See |
|---|---|---|
| Map disc cannot be inserted. | 1. Proceed to "Map Disc cannot be Inserted" | MAP DISC CANNOT BE INSERTED |
| 2. Navigation ECU power source circuit | NAVIGATION ECU POWER SOURCE CIRCUIT | |
| 3. Navigation ECU | NAVIGATION ECU | |
| Map disc cannot be ejected. | 1. Proceed to "Map Disc cannot be Ejected" | MAP DISC CANNOT BE EJECTED |
| 2. Navigation ECU power source circuit | NAVIGATION ECU POWER SOURCE CIRCUIT | |
| 3. Navigation ECU | NAVIGATION ECU | |
| Vehicle position mark deviates greatly. | 1. Proceed to "Vehicle Position Mark Deviates Greatly" | VEHICLE POSITION MARK DEVIATES GREATLY |
| 2. GPS antenna | NAVIGATION ANTENNA | |
| 3. Navigation ECU | NAVIGATION ECU | |
| Cursor or map rotates when vehicle is stopped. | 1. Proceed to "Cursor or Map Rotates when Vehicle is Stopped" | CURSOR OR MAP ROTATES WHEN VEHICLE STOPPED |
| 2. Navigation ECU | NAVIGATION ECU | |
| Vehicle position mark is not updated. | 1. Proceed to "Vehicle Position Mark is not Updated" | VEHICLE POSITION MARK IS NOT UPDATED |
| 2. Map disc | - | |
| 3. Navigation ECU | NAVIGATION ECU | |
| Current position display does not appear. | 1. Proceed to "Current Position Display does not Appear" | CURRENT POSITION DISPLAY DOES NOT APPEAR |
| 2. Map disc | - | |
| 3. GPS antenna | NAVIGATION ANTENNA | |
| 4. Navigation ECU | NAVIGATION ECU | |
| GPS Mark is not displayed. | 1. Proceed to "GPS Mark is not Displayed" | GPS MARK IS NOT DISPLAYED |
| 2. GPS antenna | NAVIGATION ANTENNA | |
| 3. Navigation ECU | NAVIGATION ECU | |
| Voice guidance does not function. | 1. Proceed to "Voice Guidance does not Function" | VOICE GUIDANCE DOES NOT FUNCTION |
| 2. Navigation voice circuit | NAVIGATION VOICE SPEAKER CIRCUIT | |
| 3. Map disc | - | |
| 4. Navigation ECU | NAVIGATION ECU | |
| 5. Stereo component amplifier | INSTALLATION | |
| Map display incomplete. | 1. Proceed to "Map Display Incomplete" | MAP DISPLAY INCOMPLETE |
| 2. Map disc | - | |
| 3. Navigation ECU | NAVIGATION ECU | |
| Route cannot be calculated. | 1. Proceed to "Route cannot be Calculated" | ROUTE CANNOT BE CALCULATED |
| 2. Map disc | - | |
| 3. Navigation ECU | NAVIGATION ECU | |
| Voice recognition difficulty. | 1. Proceed to "Voice Recognition Difficulty" | VOICE RECOGNITION DIFFICULTY |
| 2. Navigation ECU | NAVIGATION ECU | |
| Voice is not recognized. | 1. Proceed to "Voice is not Recognized" | VOICE IS NOT RECOGNIZED |
| 2. Proceed to "Microphone circuit between Overhead J/B and Multi-display" | MICROPHONE CIRCUIT BETWEEN OVERHEAD J/B AND MULTI-DISPLAY | |
| 3. Proceed to "Microphone circuit between Multi-display and Navigation ECU" | MICROPHONE CIRCUIT BETWEEN MULTI-DISPLAY AND NAVIGATION ECU | |
| 4. Steering pad switch circuit | STEERING PAD SWITCH CIRCUIT | |
| 5. Microphone | - | |
| 6. Microphone amplifier | MICROPHONE | |
| 7. Navigation ECU | NAVIGATION ECU | |
| Speed signal does not change in the navigation check mode. | Proceed to "Vehicle Speed Signal Circuit between Navigation ECU and Multi-display" | VEHICLE SPEED SIGNAL CIRCUIT BETWEEN NAVIGATION ECU AND MULTI-DISPLAY |
| Reverse signal does not change in the navigation check mode. | Proceed to "Reverse Signal Circuit" | REVERSE SIGNAL CIRCUIT |
Steering pad switch function:
SYMPTOM CHART
| Symptom | Suspected area | See |
|---|---|---|
| The system cannot be operated by the steering pad switch. | 1. Steering pad switch circuit | STEERING PAD SWITCH CIRCUIT |
| 2. Radio receiver | INSTALLATION | |
| Illumination for steering pad switch does not come on with tail switch on. | 1. Illumination circuit | ILLUMINATION CIRCUIT |
| 2. Radio receiver | INSTALLATION |
Bluetooth function:
SYMPTOM CHART
| Symptom | Suspected area | See |
|---|---|---|
| Cellular phone registration failure, phone directory transfer failure. | Proceed to "Cellular Phone Registration Failure, Phone Directory Transfer Failure" | CELLULAR PHONE REGISTRATION FAILURE, PHONE DIRECTORY TRANSFER FAILURE |
| Cellular phone cannot send/receive. | 1. Proceed to "Cellular Phone cannot Send/Receive" | CELLULAR PHONE CANNOT SEND/RECEIVE |
| 2. Steering pad switch circuit | STEERING PAD SWITCH CIRCUIT | |
| 3. Radio receiver | REMOVAL | |
| Cannot call in a certain place. | Proceed to "Cannot call in a Certain Place" | CANNOT CALL IN A CERTAIN PLACE |
| The other callers voice cannot be heard, is too quiet, or distorted. | 1. Proceed to "The Other Callers Voice cannot be Heard, is too Quiet, or Distorted" | THE OTHER CALLER'S VOICE CANNOT BE HEARD, IS TOO QUIET, OR DISTORTED |
| 2. Multi-display | MULTI-DISPLAY | |
| The other caller cannot heard your voice, or your voice is too quiet or distorted. | 1. Proceed to "The Other Caller cannot Heard Your Voice, or Your Voice is too Quiet or Distorted" | THE OTHER CALLER CANNOT HEAR YOUR VOICE, OR YOUR VOICE IS TOO QUIET OR DISTORTED |
| 2. Proceed to "Microphone circuit between Overhead J/B and Multi-display" | MICROPHONE CIRCUIT BETWEEN OVERHEAD J/B AND MULTI-DISPLAY | |
| 3. Microphone | - | |
| 4. Microphone amplifier | MICROPHONE | |
| 5. Multi-display | MULTI-DISPLAY |