Вы будете смеяться, но оказывается, что возможно считывание кодов самодиагностики аудио систем Toyota (Audio Visual Communication - Local Area Network - AVC-LAN)...
Причем, "...1998 deluxe and premium grade audio systems are equipped with an Audio Visual Communication - Local Area Network (AVC-LAN) that standardizes the audio, visual, switch, and communication data used between the radio, amplifier, cassette player, and CD player/changer. The AVC-LAN standards allow diagnostic functions and easy product interchangeability..." (TOYOTA TSB AUDIO No. AU001-98).
Сode #
The component
190
Radio Receiver Assembly
240
CD Player / Changer Luggage Area
360
CD Player / Changer Center Console
The AVC-LAN system identifies each audio component by a Code Number and the probable cause of the condition by a Diagnostic Trouble Code.
Part Name: Head Unit
Сode # 190
DTC
Diagnostic Item
Inspection Item
00
No Errors
N / A
41
AM Tuner Error
Check radio receiver and connections
42
FM Tuner Error
Check radio receiver and connections
50
Cassete Error
Check for foreign object the radio receiver
51
No Eject
Check for foreign object the radio receiver
60
CD Error
Check for obstructions in CD player/changer
61
Eject Error
Check CD player/changer
62
Disc Upside Down or has a flaw
Check CD
D1
Communication Error
Check radio connectons
D2
Intermittent No response
Check radio connectons
D4
AVC LAN Periodic Communication - No Response
Check radio connectons
FF
Diagnostic No Response
Check radio connectons
Part Name: CD
Сode # 240 /360
DTC
Diagnostic Item
Inspection Item
00
No Errors
N / A
60
CD Error
Check CD player/changer
61
Eject Error
Check for obstructions in CD player/changer
62
Disk Upside Down or has a flaw
Check CD
63
Pick-Up temperature Detection
Check for high temperature, Cool CD player/changer
64
Excessive Current detection
Check CD player/changer connections/wiring shorts
67
Tray Insert/Eject Error
Check CD magazine
68
Elevator Error
Check for obstructions in CD changer magazine
69
Clamp Error
Check for foreign object in CD player/changer
D1
Communication Error
Check CD player/changer connections
D4
AVC LAN Periodic Communication - No Response
Check CD player/changer connections
FF
Diagnostic No Response
Check CD player/changer connections
Part Name: Amplifier
Сode #
DTC
Diagnostic Item
Inspection Item
00
No Errors
N / A
D1
Communication Error
Check amplifier connections
D4
AVC LAN Periodic Communication - No Response
Check amplifier connections
FF
Diagnostic No Response
Check amplifier connections
From the factory the radio (of old Lexus) is not set to code if power is lost. The consumer must enter a 3 digit code into the radio then it will code/lock up if power is lost.
Their are two stereo options Pioneer and Nakamichi. The code for Pioneer is 810284 and the code for Nakamichi is 334989.
