Problem Symptoms Table
HINT:
- Before inspecting the suspected areas listed in the tables below, check the fuse and relay.
- Before inspecting the suspected areas listed in the tables 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:
DISPLAY FUNCTION
| 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. Radio and navigation assembly power source circuit | RADIO AND NAVIGATION ASSEMBLY POWER SOURCE CIRCUIT | |
| 3. AVC-LAN circuit | AVC-LAN CIRCUIT | |
| 4. Radio and navigation assembly | NAVIGATION RECEIVER | |
| Black screen (No image appears on navigation/audio screen). | 1. Proceed to "Black Screen" | BLACK SCREEN |
| 2. Illumination circuit | ILLUMINATION CIRCUIT | |
| 3. AVC-LAN circuit | AVC-LAN CIRCUIT | |
| 4. Radio and navigation assembly | NAVIGATION RECEIVER | |
| 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. Radio and navigation assembly | NAVIGATION RECEIVER | |
| Display does not dim (Night Screen) with TAIL switch on. | 1. Proceed to "Display does not DIM with Light Control Switch is Turned ON" | DISPLAY DOES NOT DIM WHEN LIGHT CONTROL SWITCH IS TURNED ON |
| 2. Illumination circuit | ILLUMINATION CIRCUIT | |
| 3. Radio and navigation assembly | NAVIGATION RECEIVER | |
| Power does not turn off (The screen remains on). | 1. Radio and navigation assembly power source circuit | RADIO AND NAVIGATION ASSEMBLY POWER SOURCE CIRCUIT |
| 2. Radio and navigation assembly | NAVIGATION RECEIVER | |
| 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. Radio and navigation assembly power source circuit | RADIO AND NAVIGATION ASSEMBLY POWER SOURCE CIRCUIT | |
| 4. Radio and navigation assembly | NAVIGATION RECEIVER | |
| 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. Radio and navigation assembly power source circuit | RADIO AND NAVIGATION ASSEMBLY POWER SOURCE CIRCUIT | |
| 4. Radio and navigation assembly | NAVIGATION RECEIVER | |
| Display panel does not open, tilt, or tilts improperly. | 1. Proceed to "Display Panel does not Open, Tilt, or Tilts Improperly" | DISPLAY PANEL DOES NOT OPEN, TILT OR TILTS IMPROPERLY |
| 2. Radio and navigation assembly power source circuit | RADIO AND NAVIGATION ASSEMBLY POWER SOURCE CIRCUIT | |
| 3. Radio and navigation assembly | NAVIGATION RECEIVER | |
| Screen is distorted. | 1. Radio and navigation assembly power source circuit | RADIO AND NAVIGATION ASSEMBLY POWER SOURCE CIRCUIT |
| 2. Radio and navigation assembly | NAVIGATION RECEIVER | |
| Screen flicker or color distortion. | 1. Proceed to "Screen Flicker or Color Distortion" | SCREEN FLICKER OR COLOR DISTORTION |
| 2. Radio and navigation assembly power source circuit | RADIO AND NAVIGATION ASSEMBLY POWER SOURCE CIRCUIT | |
| 3. Radio and navigation assembly | NAVIGATION RECEIVER | |
| DVD image cannot be displayed on front screen. (Parking brake is on.) (*1) | 1. Proceed to "Display Signal Circuit between Television Display Assembly and Radio and Navigation Assembly" | DISPLAY SIGNAL CIRCUIT BETWEEN TELEVISION DISPLAY ASSEMBLY AND RADIO AND NAVIGATION ASSEMBLY |
| 2. Parking brake switch circuit | PARKING BRAKE SWITCH CIRCUIT | |
| 3. Radio and navigation assembly | NAVIGATION RECEIVER | |
| Navigation function switches can be operated while vehicle is running. | Proceed to "Vehicle Speed Signal Circuit between Radio and Navigation Assembly and Combination Meter" | VEHICLE SPEED SIGNAL CIRCUIT BETWEEN RADIO AND NAVIGATION ASSEMBLY AND COMBINATION METER |
Audio function:
AUDIO FUNCTION
| Symptom | Suspected area | See |
|---|---|---|
| No sound can be heard from speakers (audio is mute). | 1. Proceed to "No Sound can be Heard from Speakers" | NO SOUND CAN BE HEARD FROM SPEAKERS |
| 2. Stereo component amplifier power source circuit | RADIO AND NAVIGATION ASSEMBLY POWER SOURCE CIRCUIT | |
| 3. Proceed to "Mute Signal Circuit between Radio and Navigation Assembly and Television Display Assembly" (*1) | MUTE SIGNAL CIRCUIT BETWEEN RADIO AND NAVIGATION ASSEMBLY AND TELEVISION DISPLAY ASSEMBLY | |
| 4. Proceed to "Mute Signal Circuit between Radio and Navigation Assembly and Stereo Component Amplifier" | MUTE SIGNAL CIRCUIT BETWEEN RADIO AND NAVIGATION ASSEMBLY AND STEREO COMPONENT AMPLIFIER | |
| 5. Proceed to "Sound Signal Circuit between Radio and Navigation Assembly and Stereo Component Amplifier" | SOUND SIGNAL CIRCUIT BETWEEN RADIO AND NAVIGATION ASSEMBLY AND STEREO COMPONENT AMPLIFIER | |
| 6. Speaker circuit | SPEAKER CIRCUIT | |
| 7. Stereo component amplifier | REMOVAL | |
| 8. Radio and navigation assembly | NAVIGATION RECEIVER | |
| Radio broadcast cannot be received or poor reception. | Proceed to "Radio Broadcast cannot be Received or Poor Reception" | RADIO BROADCAST CANNOT BE RECEIVED OR POOR RECEPTION |
| CD cannot be inserted/played or CD is ejected right after insertion. | Proceed to "CD cannot be Inserted/Played or CD is Ejected Right After Insertion" | CD CANNOT BE INSERTED / PLAYED OR CD IS EJECTED RIGHT AFTER INSERTION |
| CD cannot be ejected. | Proceed to "CD cannot be Ejected" | CD CANNOT BE EJECTED |
| CD sound skips. | Proceed to "CD Sound Skips" | CD SOUND SKIPS |
| Abnormal noise occurs. | Proceed to "Noise Occurs" | NOISE OCCURS |
| Poor sound quality in all modes (low volume). | 1. Proceed to "Poor Sound Quality in All Modes (Low Volume)" | POOR SOUND QUALITY IN ALL MODES (LOW VOLUME) |
| 2. Proceed to "Mute Signal Circuit between Radio and Navigation Assembly and Television Display Assembly" (*1) | MUTE SIGNAL CIRCUIT BETWEEN RADIO AND NAVIGATION ASSEMBLY AND TELEVISION DISPLAY ASSEMBLY | |
| 3. Proceed to "Mute Signal Circuit between Radio and Navigation Assembly and Stereo Component Amplifier" | MUTE SIGNAL CIRCUIT BETWEEN RADIO AND NAVIGATION ASSEMBLY AND STEREO COMPONENT AMPLIFIER | |
| 4. Stereo component amplifier power source circuit | STEREO COMPONENT AMPLIFIER POWER SOURCE CIRCUIT | |
| 5. Radio and navigation assembly power source circuit | RADIO AND NAVIGATION ASSEMBLY POWER SOURCE CIRCUIT | |
| 6. Stereo component amplifier | REMOVAL | |
| 7. Radio and navigation assembly | NAVIGATION RECEIVER | |
| RSE sound cannot be heard or sound quality is bad. | 1. Television display assembly power source circuit | TELEVISION DISPLAY POWER SOURCE CIRCUIT |
| 2. Proceed to "Sound Signal Circuit between Radio and Navigation Assembly and Television Display Assembly" | SOUND SIGNAL CIRCUIT BETWEEN RADIO AND NAVIGATION ASSEMBLY AND TELEVISION DISPLAY ASSEMBLY | |
| 3. Proceed to "Mute Signal Circuit between Radio and Navigation Assembly and Television Display Assembly" | MUTE SIGNAL CIRCUIT BETWEEN RADIO AND NAVIGATION ASSEMBLY AND TELEVISION DISPLAY ASSEMBLY | |
| 4. Radio and navigation assembly | NAVIGATION RECEIVER | |
| 5. Television display assembly | TELEVISION DISPLAY | |
| External device sound cannot be heard or sound quality is bad (Stereo jack is used). | 1. Proceed to "Sound Signal Circuit between Radio and Navigation Assembly and Stereo Jack Adapter" | SOUND SIGNAL CIRCUIT BETWEEN RADIO AND NAVIGATION ASSEMBLY AND STEREO JACK ADAPTER |
| 2. Stereo jack adapter | AUDIO TERMINAL | |
| 3. Radio and navigation assembly | NAVIGATION RECEIVER | |
| ASL does not function. | Proceed to "Vehicle Speed Signal Circuit between Stereo Component Amplifier and Combination Meter" | VEHICLE SPEED SIGNAL CIRCUIT BETWEEN STEREO COMPONENT AMPLIFIER AND COMBINATION METER |
Navigation function:
NAVIGATION FUNCTION
| Symptom | Suspected area | See |
|---|---|---|
| Map disc cannot be inserted. | 1. Proceed to "Map Disc cannot be Inserted" | MAP DISC CANNOT BE INSERTED |
| 2. Radio and navigation assembly power source circuit | RADIO AND NAVIGATION ASSEMBLY POWER SOURCE CIRCUIT | |
| 3. Radio and navigation assembly | NAVIGATION RECEIVER | |
| Map disc cannot be ejected. | 1. Radio and navigation assembly power source circuit | RADIO AND NAVIGATION ASSEMBLY POWER SOURCE CIRCUIT |
| 2. Radio and navigation assembly | NAVIGATION RECEIVER | |
| Vehicle position mark deviates. | 1. Proceed to "Vehicle Position Mark Deviates Greatly" | VEHICLE POSITION MARK DEVIATES GREATLY |
| 2. GPS antenna | NAVIGATION ANTENNA | |
| 3. Radio and navigation assembly | NAVIGATION RECEIVER | |
| 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. Radio and navigation assembly | NAVIGATION RECEIVER | |
| 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. Radio and navigation assembly | NAVIGATION RECEIVER | |
| 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. Radio and navigation assembly | NAVIGATION RECEIVER | |
| GPS mark is not displayed. | 1. Proceed to "GPS Mark is not Displayed" | GPS MARK IS NOT DISPLAYED |
| 2. GPS antenna | NAVIGATION ANTENNA | |
| 3. Radio and navigation assembly | NAVIGATION RECEIVER | |
| Voice guidance does not function. | 1. Proceed to "Voice Guidance does not Function" | VOICE GUIDANCE DOES NOT FUNCTION |
| 2. Proceed to "Mute Signal Circuit between Radio and Navigation Assembly and Stereo Component Amplifier" | MUTE SIGNAL CIRCUIT BETWEEN RADIO AND NAVIGATION ASSEMBLY AND STEREO COMPONENT AMPLIFIER | |
| 3. Navigation Voice Circuit | NAVIGATION VOICE CIRCUIT | |
| 4. Speaker Circuit | SPEAKER CIRCUIT | |
| 5. Map disc | - | |
| 6. Radio and navigation assembly | NAVIGATION RECEIVER | |
| 7. Stereo component amplifier | REMOVAL | |
| Map display incomplete. | 1. Proceed to "Map Display Incomplete" | MAP DISPLAY INCOMPLETE |
| 2. Map disc | - | |
| 3. Radio and navigation assembly | NAVIGATION RECEIVER | |
| Route cannot be calculated. | 1. Proceed to "Route cannot be Calculated" | ROUTE CANNOT BE CALCULATED |
| 2. Map disc | - | |
| 3. Radio and navigation assembly | NAVIGATION RECEIVER | |
| Voice recognition difficulty. | 1. Proceed to "Voice Recognition Difficulty" | VOICE RECOGNITION DIFFICULTY |
| 2. Radio and navigation assembly | NAVIGATION RECEIVER | |
| Voice is not recognized. | 1. Proceed to "Voice is not Recognized" | VOICE IS NOT RECOGNIZED |
| 2. Proceed to "Microphone Circuit between Microphone and Radio and Navigation Assembly" | MICROPHONE CIRCUIT BETWEEN MICROPHONE AND RADIO AND NAVIGATION ASSEMBLY | |
| 3. Steering Pad Switch Circuit | STEERING PAD SWITCH CIRCUIT | |
| 4. Microphone | - | |
| 5. Radio and navigation assembly | NAVIGATION RECEIVER | |
| Speed signal does not change in the navigation check mode. | Proceed to "Vehicle Speed Signal Circuit between Radio and Navigation Assembly and Combination Meter" | VEHICLE SPEED SIGNAL CIRCUIT BETWEEN RADIO AND NAVIGATION ASSEMBLY AND COMBINATION METER |
| Reverse signal does not change in the navigation check mode. | Proceed to "Reverse Signal Circuit" | REVERSE SIGNAL CIRCUIT |
Steering pad switch function:
STEERING PAD SWITCH FUNCTION
| 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 and navigation assembly | NAVIGATION RECEIVER | |
| Illumination for steering pad switch does not come on with TAIL switch on. | 1. Illumination Circuit | ILLUMINATION CIRCUIT |
| 2. Radio and navigation assembly | NAVIGATION RECEIVER |
Bluetooth function:
BLUETOOTH FUNCTION
| 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 and navigation assembly | NAVIGATION RECEIVER | |
| 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. Navigation Voice Circuit | NAVIGATION VOICE CIRCUIT | |
| 3. Radio and navigation assembly | NAVIGATION RECEIVER | |
| 4. Stereo component amplifier | REMOVAL | |
| The other caller cannot hear your voice, or your voice is too quiet or distorted. | 1. Proceed to "The Other Caller cannot Hear 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 Microphone and Radio and Navigation Assembly" | MICROPHONE CIRCUIT BETWEEN MICROPHONE AND RADIO AND NAVIGATION ASSEMBLY | |
| 3. Microphone | - | |
| 4. Radio and navigation assembly | NAVIGATION RECEIVER |