Problem Symptoms Table

WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

PROBLEM SYMPTOMS

Flowchart No.	Symptom	See Section
1	Black screen (Nothing displayed)	1. BLACK SCREEN (NOTHING DISPLAYED)
2	No sound even with POWER switch pressed. ("Audio OFF" on audio screen)	2. NO SOUND WITH POWER SWITCH PRESSED. ("AUDIO OFF" ON AUDIO SCREEN)
3	No navigation screen displayed when "MAP", "MENU", or "DESTINATION" switch pressed (Screen cannot be switched.)	3. NO NAVIGATION SCREEN DISPLAYED WHEN "MAP", "MENU", OR "DESTINATION" SWITCH PRESSED. (SCREEN CANNOT BE SWITCHED.)
4	No corresponding screen displayed when "AUDIO" or "A/C" switch pressed. (Screens other than above can be displayed.)	4. NO CORRESPONDING SCREEN DISPLAYED WHEN "AUDIO" OR "A/C" SWITCH PRESSED.
5	No navigation displayed, "Audio OFF" on audio screen and no audio sound.	5. NO NAVIGATION DISPLAYED, "AUDIO OFF" ON AUDIO SCREEN AND NO AUDIO SOUND.
6	Screen cannot be dimmed in night time.	6. SCREEN CANNOT BE DIMMED IN NIGHT TIME.
7	Navigation screen not stabilized. (Synchronous error)	7. NAVIGATION SCREEN NOT STABILIZED (SYNCHRONOUS ERROR).
8	Color on navigation screen is unusual (RGB signal error)	8. COLOR ON NAVIGATION SCREEN IS UNUSUAL (RGB SIGNAL ERROR).
9	Black screen appears when "MAP", "MENU" or "DESTINATION" switch pressed.	9. BLACK SCREEN APPEARS WHEN "MAP", "MENU" OR "DESTINATION" SWITCH PRESSED.
10	Sound of radio, cassette tape or CD only cannot be heard from speaker.	10. SOUND OF RADIO, CASSETTE TAPE OR CD ONLY CANNOT BE HEARD FROM SPEAKER.
11	No sound (radio, cassette tape, CD) can be heard from driver side door speaker only.	11. NO SOUND (RADIO, CASSETTE TAPE, CD) CAN BE HEARD FROM DRIVER SIDE DOOR SPEAKER ONLY.
12	Map DISC cannot be inserted.	12. MAP DISC CANNOT BE INSERTED.
13	MAP screen display does not appear. (Disc Caution screen does not change.)	13. MAP SCREEN DISPLAY DOES NOT APPEAR. (DISC CAUTION SCREEN DOES NOT CHANGE.)
14	Map is displayed in white or blue screen. (Switches and vehicle position mark are displayed.)	14. MAP IS DISPLAYED IN WHITE OR BLUE SCREEN. (SWITCHES AND VEHICLE POSITION MARK ARE DISPLAYED.)
15	Navigation screen cannot change to night mode color.	15. NAVIGATION SCREEN CANNOT CHANGE TO NIGHT MODE COLOR.
16	Touch switch does not function. (Navigation screen only)	16. TOUCH SWITCH DOES NOT FUNCTION. (NAVIGATION SCREEN ONLY)
17	Vehicle position is deviated from correct point badly.	17. VEHICLE POSITION IS DEVIATED FROM CORRECT POINT BADLY.
18	GPS mark does not appear.	18. GPS MARK DOES NOT APPEAR.
19	No voice navigation.	19. NO VOICE NAVIGATION.
20	Vehicle position mark rotates without control. (Map rotates without control)	20. VEHICLE POSITION MARK ROTATES WITHOUT CONTROL. (MAP ROTATES WITHOUT CONTROL)
21	Driving direction is opposite to moving direction of vehicle position mark.	21. DRIVING DIRECTION IS OPPOSITE TO MOVING DIRECTION OF VEHICLE POSITION MARK.
22	Radio reception poor.	22. RADIO BROADCAST CANNOT BE RECEIVED. (BAD RECEPTION)
23	Cassette tape cannot be inserted.	23. CASSETTE TAPE CANNOT BE INSERTED.
24	Cassette tape cannot be ejected.	24. CASSETTE TAPE CANNOT BE EJECTED.
25	CD cannot be inserted.	25. CD CAN NOT BE INSERTED.
26	CD cannot be ejected.	26. CD CANNOT BE EJECTED.
27	No AM, FM or CD screen is displayed.	27. NO AM, FM OR CD SCREEN IS DISPLAYED.
28	Audio screen is not displayed.	28. AUDIO SCREEN IS NOT DISPLAYED.
29	Panel switches do not function.	29. PANEL SWITCHES DO NOT FUNCTION.
30	Touch SW on the air conditioner screen does not function.	30. TOUCH SW ON AIR CONDITIONER SCREEN DOES NOT FUNCTION.
31	Turning Light Control switch "Tail" does not light up the panel switches.	31. TURNING LIGHT CONTROL SWITCH TO "TAIL" DOES NOT LIGHT UP PANEL SWITCHES.
32	Turning Light Control switch "Tail" does not light up the radio receiver switches.	32. TURNING LIGHT CONTROL SWITCH TO "TAIL" DOES NOT LIGHT UP RADIO RECEIVER SWITCHES.
33	Audio system cannot be operated with Steering PAD switch. (It can be operated with Panel/Touch switches.)	33. AUDIO SYSTEM CANNOT BE OPERATED WITH STEERING PAD SWITCH. (IT CAN BE OPERATED WITH PANEL / TOUCH SWITCHES.)
34	Audio system cannot be operated with air conditioner switches on Rear Controller. (It can be operated with Panel/Touch switches.)	34. AUDIO SYSTEM CANNOT BE OPERATED WITH AIR CONDITIONER SWITCHES ON THE REAR CONTROLLER. (IT CAN BE OPERATED WITH PANEL / TOUCH SWITCHES.)
35	Navigation system cannot be operated with voice recognition.	35. NAVIGATION SYSTEM CANNOT BE OPERATED WITH VOICE RECOGNITION.
36	Cellular mobile telephone screen is not displayed on multi display. (Navigation system screen is displayed.)	36. CELLULAR MOBILE TELEPHONE SCREEN IS NOT DISPLAYED ON MULTI DISPLAY. (NAVIGATION SYSTEM SCREEN IS DISPLAYED.)
37	Cellular mobile phone is in abnormal operation. (Navigation system can be operated with voice recognition.)	37. CELLULAR MOBILE PHONE IS IN ABNORMAL OPERATION. (NAVIGATION SYSTEM CAN BE OPERATED WITH THE VOICE RECOGNITION.)
38	Cellular mobile phone cannot be operated with Steering pad switch. (It can be operated with Panel/ Touch switches.)	38. CELLULAR PHONE CANNOT BE OPERATED WITH STEERING PAD SWITCH. (IT CAN BE OPERATED WITH PANEL/TOUGH SWITCHES.)
39	Pressing "Call" or "HOOK" switch does not activate the voice recognition.	39. PRESSING THE "CALL" OR "HOOK" SWITCH DOES NOT ACTIVATE VOICE RECOGNITION.