| Last Modified: 4-30-2014 | 6.6 T | Doc ID: RM000001AI6001X |
| Model Year: 2006 | Model: LX470 | Prod Date Range: [05/2005 - ] |
| Title: NAVIGATION: NAVIGATION SYSTEM: PROBLEM SYMPTOMS TABLE; 2006 MY LX470 [05/2005 - ] | ||
PROBLEM SYMPTOMS TABLE
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.
Multi-display
|
Symptom |
Suspected area |
See page |
|---|---|---|
|
Black screen (Nothing displayed) |
1. Black screen |
|
|
2. Multi-display power source circuit |
|
|
|
No sound with power switch pressed. ("AUTO OFF" on audio screen) |
1. No sound can be heard from speakers (audio is mute) |
|
|
2. AVC-LAN circuit |
|
|
|
No navigation screen displayed when "MAP", "MENU" or "DEST" switch pressed. (Screen cannot be switched.) |
1. No navigation screen displayed when MAP or DEST switch pressed |
|
|
2. Navigation ECU power source circuit |
|
|
|
3. Multi-display power source circuit |
|
|
|
4. Display signal circuit between navigation ECU and multi-display |
|
|
|
No corresponding screen displayed when "AUDIO" or "Information" switch pressed. |
No corresponding screen displayed when AUDIO or INFO switch pressed |
|
|
No navigation displayed, "AUDIO OFF" on audio screen and no audio sound. |
1. No sound and AUDIO OFF displayed on multi-display when power switch pressed |
|
|
2. AVC-LAN circuit |
|
|
|
Screen cannot be dimmed in night time. |
1. Display does not DIM (night screen) with tail switch ON |
|
|
2. Multi-display power source circuit |
|
|
|
Navigation screen not stabilized (synchronous error) |
1. Screen flicker or color distortion |
|
|
2. Navigation ECU power source circuit |
|
|
|
3. Display signal circuit between navigation ECU and multi-display |
|
|
|
Color on navigation screen is unusual (RGB signal error) |
1. Color on navigation screen is unusual (RGB signal error) |
|
|
2. Navigation ECU power source circuit |
|
|
|
3. Display signal circuit between navigation ECU and multi-display |
|
|
|
Block screen appears when "MAP", "Menu" or "DEST" switch pressed. |
1. Black screen appears when MAP, MENU or DEST switch pressed |
|
|
2. Navigation ECU power source circuit |
|
|
|
3. Display signal circuit between navigation ECU and multi-display |
|
|
|
Sound of radio, cassette tape or CD only cannot be heard from speaker. |
Only sound of radio, cassette tape or CD cannot be heard from speaker |
|
|
No sound (radio, cassette tape, CD) can be heard from driver side door speaker only. |
1. No sound can be heard from driver side door speaker only |
|
|
2. Speaker circuit |
|
|
|
Map DISC cannot be inserted. |
1. MAP disc cannot be inserted |
|
|
2. Navigation ECU power source circuit |
|
|
|
MAP screen display does not appear. (Disc caution screen does not change) |
MAP screen display does not appear (disc caution screen does not change) |
|
|
MAP is displayed in white or blue screen. (Switches and vehicle position mark are displayed.) |
MAP is displayed in white or blue screen (switches and vehicle position mark are displayed) |
|
|
Touch switch does not function. (Navigation screen only) |
1. Touch panel switch does not function |
|
|
2. AVC-LAN circuit |
|
|
|
Touch switch does not function. (A/C 0control screen only) |
1. Touch panel switch does not function |
|
|
2. AVC-LAN circuit |
|
|
|
Panel switch does not function. (Navigation screen only) |
1. Panel switches do not function |
|
|
2. AVC-LAN circuit |
|
|
|
Panel switch does not function. (A/C 0control screen only) |
1. Panel switches do not function |
|
|
2. AVC-LAN circuit |
|
|
|
The screen cannot be change to night mode color. |
Display does not DIM (night screen) with tail switch ON |
|
|
Vehicle position is deviated from correct point badly. |
Vehicle position is deviated from correct point badly |
|
|
GPS mark does not appear. |
GPS mark does not appear |
|
|
No voice navigation |
1. Voice guidance does not function |
|
|
2. Speaker circuit |
|
|
|
Vehicle position rotates without control. (Map rotates without control.) |
Cursor or MAP rotates when vehicle stopped |
|
|
Driving direction is opposite to moving direction of vehicle position mark. |
1. Driving directions opposite to moving direction of vehicle position mark. |
|
|
2. Reverse signal circuit |
|
|
|
Navigation system cannot be operated with voice recognition. |
System cannot be operated by voice sound |
|
![2006 MY LX470 [05/2005 - ]; NAVIGATION: NAVIGATION SYSTEM: Black Screen](../../../../stylegraphics/info.gif "2006 MY LX470 [05/2005 - ]; NAVIGATION: NAVIGATION SYSTEM: Black Screen")
Disc player changer
|
Symptom |
Suspected area |
See page |
|---|---|---|
|
Any speaker does not work. (DVD sound only) |
Only sound of disc player changer cannot be heard from speaker |
|
|
DVD magazine cannot be inserted. |
Disc magazine cannot be inserted |
|
|
DVD magazine inserted, but no power. |
Disc magazine inserted but no power |
|
|
Power coming in, but DVD auto changer not operating. |
Disc player changer has power but does not operate |
|
|
Sound jumps. (DVD sound) |
Disc sound skips for disc player changer only |
|
|
DVD magazine will not be ejected. |
Disc magazine does not eject |
|
Bluetooth system
|
Symptom |
Suspected area |
See page |
|---|---|---|
|
Cellular phone registration failure, phone directory transfer failure |
Cellular phone registration failure, phone directory transfer failure |
|
|
The cellular phone cannot send / receive |
Cellular phone cannot send / receive |
|
|
Cannot call in a certain place |
Cannot call in a certain place |
|
|
Voice on phone cannot be heard, too quiet, distorted |
Voice on phone cannot be heard, too quiet or distorted |
|
|
Own voice cannot be heard, too quiet or distorted |
Own voice cannot be heard, too quiet or distorted |
|
|
|