| Last Modified: 11-27-2007 | 1.6 T | |
| Service Category: Audio/Visual/Telematics | Section: Navigation/Multi Info Display | |
| Model Year: 2008 | Model: LX570 | Doc ID: RM000002RZT003X |
| Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: PROBLEM SYMPTOMS TABLE (2008 LX570) | ||
PROBLEM SYMPTOMS TABLE
HINT:
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.
Display Function
|
Symptom |
Suspected Area |
See page |
|---|---|---|
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Pressing multi-display main switch does not turn on system. |
Display and Navigation Assembly Power Source Circuit |
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AVC-LAN Circuit |
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Replace display and navigation module display |
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Black screen (no image appears on navigation/audio screen). |
Proceed to "No Image Appears on Multi-display" |
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Display and Navigation Assembly Power Source Circuit |
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Illumination Circuit |
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AVC-LAN Circuit |
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Replace display and navigation module display |
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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" |
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Illumination Circuit |
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Replace display and navigation module display |
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Display does not dim (night screen) with tail switch on. |
Proceed to "Display does not Dim when Light Control Switch is Turned ON" |
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Replace display and navigation module display |
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Power does not turn off (the screen remains on). |
Display and Navigation Assembly Power Source Circuit |
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Replace display and navigation module display |
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Panel switches do not function. |
Proceed to "Panel Switches do not Function" |
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Steering Pad Switch Circuit |
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Display and Navigation Assembly Power Source Circuit |
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Replace display and navigation module display |
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Touch panel switch does not function. |
Proceed to "Touch Panel Switch does not Function" |
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Steering Pad Switch Circuit |
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Display and Navigation Assembly Power Source Circuit |
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Replace display and navigation module display |
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Navigation screen is not displayed. |
Replace display and navigation module display |
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Navigation screen flicker or color distortion. |
Proceed to "Screen Flicker or Color Distortion" |
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Replace display and navigation module display |
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DVD image cannot be displayed on display and navigation assembly (parking brake is on). |
Proceed to "Display Signal Circuit between Multi-display and Radio Receiver" |
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Parking Brake Switch Circuit |
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Replace radio receiver |
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Replace display and navigation module display |
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Navigation function switches can be operated while vehicle is running. |
Vehicle Speed Signal Circuit |
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Navigation Function
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Vehicle position mark deviates greatly. |
Proceed to "Vehicle Position Mark Deviates Greatly" |
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Vehicle Speed Signal Circuit |
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Replace navigation antenna assembly |
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Replace display and navigation module display |
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Cursor or map rotates when vehicle is stopped. |
Proceed to "Cursor or Map Rotates when Vehicle Stopped" |
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Replace display and navigation module display |
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Vehicle position mark is not updated. |
Proceed to "Vehicle Position Mark is not Updated" |
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Replace display and navigation module display |
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Current position display does not appear. |
Display and Navigation Assembly Power Source Circuit |
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Replace navigation antenna assembly |
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Replace display and navigation module display |
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GPS Mark is not displayed. |
Proceed to "GPS Mark is not Displayed" |
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Replace navigation antenna assembly |
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Replace display and navigation module display |
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Voice guidance does not function. |
Proceed to "Voice Guidance does not Function" |
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Navigation Voice Speaker Circuit |
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Replace stereo component amplifier |
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Map display incomplete. |
Proceed to "Map Display Incomplete" |
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Replace display and navigation module display |
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Route cannot be calculated. |
Proceed to "Route cannot be Calculated" |
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Replace display and navigation module display |
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Voice recognition difficulty. |
Proceed to "Voice Recognition Difficulty" |
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Replace display and navigation module display |
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Voice is not recognized |
Proceed to "Voice is not Recognized" |
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Microphone circuit between overhead J/B and display and navigation assembly |
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Steering Pad Switch Circuit |
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Replace microphone |
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Replace microphone amplifier |
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Replace display and navigation module display |
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Speed signal does not change in navigation check mode. |
Vehicle Speed Signal Circuit |
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Reverse signal does not change in navigation check mode. |
Reverse Signal Circuit |
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Steering Pad Switch Function
|
Symptom |
Suspected Area |
See page |
|---|---|---|
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The system cannot be operated by steering pad switch. |
Steering Pad Switch Circuit |
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Replace radio receiver |
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Illumination for steering pad switch does not come on with tail switch on. |
Illumination Circuit |
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Replace radio receiver |
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"Bluetooth" Function
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Symptom |
Suspected Area |
See page |
|---|---|---|
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Cellular phone registration failure, phone directory transfer failure. |
Proceed to "Cellular Phone Registration Failure, Phone Directory Transfer Failure" |
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Cellular phone cannot send/receive. |
Proceed to "Cellular Phone cannot Send/Receive" |
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Steering Pad Switch Circuit |
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Replace radio receiver |
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Cannot call in a certain place. |
Proceed to "Cannot call in a Certain Place" |
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The other callers voice cannot be heard, is too quiet, or distorted. |
Proceed to "The Other Callers Voice cannot be Heard, is too Quiet, or Distorted" |
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Replace display and navigation module display |
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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" |
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Microphone circuit between overhead J/B and multi-display |
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Replace microphone |
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Replace microphone amplifier |
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Replace display and navigation module display |
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Sound Library Function
|
Symptom |
Suspected Area |
See page |
|---|---|---|
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"RECORDING ERROR" is displayed |
Proceed to "Audio cannot be Recorded to HDD" |
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CD songs cannot be recorded |
Proceed to "Audio cannot be Recorded to HDD" |
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All songs recorded to HDD cannot be played |
Proceed to "Audio Recorded to HDD cannot be Played" |
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HDD cannot be used when temperature is low |
HDD cannot be used when temperature is low (-20°C (-4°F) or less). Wait until cabin temperature has increased and check again. |
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Sound is not output only for songs in sound library |
Sound signal circuit between radio receiver and multi-display |
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Sound signal circuit between display and navigation assembly controller and navigation assembly* |
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Sound signal circuit between radio receiver and display and navigation assembly controller* |
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Mute signal circuit between navigation assembly and display and navigation assembly controller* |
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Mute signal circuit between radio receiver and display and navigation assembly controller* |
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Replace radio receiver |
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Replace display and navigation module display |
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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 |
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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. |
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*: w/ Rear Seat Entertainment System
SDARS System Function
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Satellite radio tuner does not turn ON |
Satellite Radio Tuner Power Source Circuit |
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Replace satellite radio tuner |
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Cannot change from FM/AM to satellite radio |
Proceed to "Cannot Change from FM / AM to Satellite Radio" |
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AVC-LAN Circuit |
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AVC-LAN Plus Circuit |
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Replace satellite radio tuner |
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Satellite radio broadcast cannot be received or reception is bad |
Proceed to "Satellite Radio Broadcast cannot be Received" |
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Satellite Radio Tuner Power Source Circuit |
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Replace satellite radio tuner |
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Only for satellite radio, sound from all speakers is not output or there is noise |
Proceed to "Noise Occurs Only with Satellite Radio" |
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Satellite Radio Tuner Power Source Circuit |
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Replace satellite radio tuner |
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Only for satellite radio, sound from certain speakers is not output or there is noise |
Proceed to "Noise Occurs Only with Satellite Radio" |
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Satellite Radio Tuner Power Source Circuit |
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Replace satellite radio tuner |
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Satellite radio cannot receive pay type broadcasts |
Proceed to "Satellite Radio cannot Receive Pay Type Broadcasts" |
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Satellite radio broadcast cannot be selected |
Proceed to "Satellite Radio Broadcast cannot be Selected or After Selecting Broadcast, Broadcast cannot be Added into Memory" |
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Replace satellite radio tuner |
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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" |
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Replace radio receiver |
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Replace display and navigation module display |
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Traffic information is not displayed |
Proceed to "Traffic Information is not Displayed" |
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AVC-LAN Plus Circuit |
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Replace satellite radio tuner |
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Replace display and navigation module display |
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"Nav Traffic" logo is not displayed |
Proceed to "Traffic Information is not Displayed" |
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AVC-LAN Plus Circuit |
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Replace satellite radio tuner |
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Replace display and navigation module display |
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