NAVIGATION SYSTEM (for HDD) PROBLEM SYMPTOMS TABLE
Tech Tips
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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.
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Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | See page |
|---|---|---|
| Pressing PWR switch does not turn on system | Proceed to "Pressing Power Switch does not Turn on System" | |
| Proceed to "Navigation Receiver Assembly Power Source Circuit" | ||
| Replace navigation receiver assembly | ||
| Black screen (no image appears on navigation/audio screen) | Proceed to "Black Screen" | |
| Proceed to "Illumination Circuit" | ||
| Replace navigation receiver 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" | |
| Proceed to "Illumination Circuit" | ||
| Replace navigation receiver assembly | ||
| Display does not dim (night screen) with TAIL switch on | Proceed to "Display does not Dim when Light Control Switch is Turned ON" | |
| Proceed to "Illumination Circuit" | ||
| Replace navigation receiver assembly | ||
| Power does not turn off (screen remains on) | Proceed to "Navigation Receiver Assembly Power Source Circuit" | |
| Replace navigation receiver assembly | ||
| Panel switches do not function | Proceed to "Panel Switches do not Function" | |
| Proceed to "Steering Pad Switch Circuit" | ||
| Proceed to "Navigation Receiver Assembly Power Source Circuit" | ||
| Replace navigation receiver assembly | ||
| Touch panel switch does not function | Proceed to "Touch Panel Switch does not Function" | |
| Proceed to "Steering Pad Switch Circuit" | ||
| Proceed to "Navigation Receiver Assembly Power Source Circuit" | ||
| Replace navigation receiver assembly | ||
| Display panel does not open or tilt, or tilts improperly | Proceed to "Display Panel does not Open, Tilt, or Tilts Improperly" | |
| Proceed to "Navigation Receiver Assembly Power Source Circuit" | ||
| Replace navigation receiver assembly | ||
| Screen is distorted | Proceed to "Navigation Receiver Assembly Power Source Circuit" | |
| Replace navigation receiver assembly | ||
| Screen flicker or color distortion | Proceed to "Screen Flicker or Color Distortion" | |
| Proceed to "Navigation Receiver Assembly Power Source Circuit" | ||
| Replace navigation receiver assembly | ||
| Navigation function switches can be operated while vehicle is running | Proceed to "B15C2" |
| Symptom | Suspected Area | See page |
|---|---|---|
| No sound can be heard from speakers (audio is mute) | Proceed to "No Sound can be Heard from Speakers" | |
| Proceed to "Speaker Circuit" | ||
| Replace navigation receiver assembly | ||
| Radio broadcast cannot be received or poor reception | Proceed to "Radio Broadcast cannot be Received or Poor Reception" | |
| Replace antenna cord sub-assembly | ||
| Replace antenna amplifier assembly | ||
| Replace antenna amplifier assembly (for Wagon) | ||
| 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 ejected | Proceed to "CD cannot be Ejected" | |
| CD sound skips | Proceed to "CD Sound Skips" | |
| Abnormal noise occurs | Proceed to "Noise Occurs" | |
| Poor sound quality in all modes (low volume) | Proceed to "Poor Sound Quality in All Modes (Low Volume)" | |
| Proceed to "Speaker Circuit" | ||
| Proceed to "Navigation Receiver Assembly Power Source Circuit" | ||
| Replace navigation receiver assembly | ||
| External device sound cannot be heard or sound quality is bad (Stereo jack is used) | Proceed to "Sound Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter" | |
| Replace No. 1 stereo jack adapter assembly | ||
| Replace navigation receiver assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| Map data cannot be inserted | Proceed to "Navigation Receiver Assembly Power Source Circuit" | |
| Replace navigation receiver assembly | ||
| Map data cannot be ejected | Proceed to "Navigation Receiver Assembly Power Source Circuit" | |
| Replace navigation receiver assembly | ||
| Vehicle position mark deviates | Check that GPS mark is displayed | - |
| Check vehicle signals on "Vehicle Sensors" screen | ||
| Proceed to "B15C2" | ||
| Proceed to "Reverse Signal Circuit" | ||
| Replace navigation antenna assembly | ||
| Replace navigation receiver assembly | ||
| Cursor or map rotates when vehicle is stopped | Proceed to "Cursor or Map Rotates When Vehicle is Stopped" | |
| Replace navigation receiver assembly | ||
| Vehicle position mark is not updated | Check if touch scroll can be performed on navigation display | - |
| Check vehicle signals on "Vehicle Sensors" screen | ||
| Proceed to "B15C2" | ||
| Replace navigation receiver assembly | ||
| Current position display does not appear | Replace navigation antenna assembly | |
| Replace navigation receiver assembly | ||
| GPS mark is not displayed | Proceed to "GPS Mark is not Displayed" | |
| Replace navigation antenna assembly | ||
| Replace navigation receiver assembly | ||
| Voice guidance does not function | Proceed to "Voice Guidance does not Function" | |
| Proceed to "Speaker Circuit" | ||
| Replace navigation receiver assembly | ||
| Map display incomplete | Check that displays other than the navigation display are complete | - |
| Replace navigation receiver assembly | ||
| Route cannot be calculated | Set another destination and check if the system can calculate the route correctly | - |
| Replace navigation receiver assembly | ||
| Voice recognition difficulty | Check if the voice recognition level of the system is low by using only one particular voice | - |
| Check the microphone with "Microphone&Voice Recognition Check" mode | ||
| Proceed to "Microphone Circuit between Microphone and Navigation Receiver Assembly" | ||
| Replace telephone microphone assembly | ||
| Replace navigation receiver assembly | ||
| Voice is not recognized | Proceed to "Voice is not Recognized" | |
| Proceed to "Microphone Circuit between Microphone and Navigation Receiver Assembly" | ||
| Proceed to "Steering Pad Switch Circuit" | ||
| Replace telephone microphone assembly | ||
| Replace navigation receiver assembly | ||
| Speed signal does not change in navigation check mode | Proceed to "B15C2" | |
| Reverse signal does not change in navigation check mode | Proceed to "Reverse Signal Circuit" |
| Symptom | Suspected Area | See page |
|---|---|---|
| System cannot be operated by the steering pad switch | Proceed to "Steering Pad Switch Circuit" | |
| Replace navigation receiver assembly | ||
| Illumination for steering pad switch does not come on with TAIL switch on | Proceed to "Illumination Circuit" | |
| Replace navigation receiver assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| 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" | |
| Proceed to "Steering Pad Switch Circuit" | ||
| Replace navigation receiver assembly | ||
| Cannot call in certain place | Proceed to "Cannot Call in a Certain Place" | |
| 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" | |
| Replace navigation receiver assembly | ||
| Replace stereo component amplifier assembly | ||
| 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" | |
| Proceed to "Microphone Circuit between Microphone and Navigation Receiver Assembly" | ||
| Replace telephone microphone assembly | ||
| Replace navigation receiver assembly | ||
| The "Bluetooth" function cannot be operated with the steering pad switch | Proceed to "Steering Pad Switch Circuit" | |
| Proceed to "Microphone Circuit between Microphone and Navigation Receiver Assembly" | ||
| Replace telephone microphone assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| Portable player cannot be registered | Proceed to "Portable Player cannot be Registered" | |
| Replace navigation receiver assembly | ||
| Portable player cannot be connected manually/automatically | Proceed to "Portable Player cannot be Registered" | |
| Proceed to "Portable Player cannot be Connected Manually/Automatically" | ||
| Replace navigation receiver assembly | ||
| Cellular phone with portable audio function cannot be recognized as "Bluetooth" audio device even when connected using "Bluetooth" | Proceed to "Portable Player cannot be Registered" | |
| Proceed to "Portable Player cannot be Connected Manually/Automatically" | ||
| Replace navigation receiver assembly | ||
| Sound of portable player cannot be heard from speakers, or sound is low | Proceed to "Sound of Portable Player cannot be Heard from Speakers or Sound is Low" | |
| Replace navigation receiver assembly | ||
| Portable player does not play even after "Bluetooth" audio mode is selected | Proceed to "Does not Play even after Bluetooth Audio Mode is Selected" | |
| Replace navigation receiver assembly | ||
| Portable player does not play | Proceed to "Does not Play even after Bluetooth Audio Mode is Selected" | |
| Replace navigation receiver assembly | ||
| Portable player cannot be operated using in-vehicle device or track information is not displayed on in-vehicle device | Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device" | |
| Replace navigation receiver assembly | ||
| Operation switches for portable player such as play, pause, repeat, random and scan are not displayed | Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device" | |
| Replace navigation receiver assembly | ||
| Battery condition of portable player is not displayed | Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device" | |
| Replace navigation receiver assembly | ||
| "Bluetooth" signal condition is not displayed | Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device" | |
| Replace navigation receiver assembly | ||
| Portable player cannot pause, select file, fast forward, fast rewind, random play or scan | Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device" | |
| Replace navigation receiver assembly | ||
| Noise occurs or sound skips when portable player plays | Proceed to "Noise Occurs or Sound Skips when Portable Player Plays" | |
| Replace navigation receiver assembly | ||
| Registered device cannot be deleted | Proceed to "Registered Device cannot be Deleted" | |
| Replace navigation receiver assembly |