Dtc 01-Dc Transmission Error (G/W)

Body Electrical. Lexus Gs430, Gs300. Uzs190 Grs190
Navigation. Lexus Gs430, Gs300. Uzs190 Grs190

DESCRIPTION

INSPECTION PROCEDURE

READ OUTPUT DTC (LAN MONITOR)

CHECK AVC-LAN HARNESS AND POWER SOURCE

CLEAR DTC

DTC 01-DC Transmission Error (G/W)


DESCRIPTION


DTC No.
DTC Detection Condition
Trouble Area
01-DC
Transmission to component shown by sub-code failed
(Detecting this DTC does not always mean actual failure)
If same sub-code is recorded in other components, check harness for power supply and communication system of all components shown by code
HINT:
This code may be stored if the engine is started, idled for 60 seconds, turned off, and then started again.

INSPECTION PROCEDURE

1.READ OUTPUT DTC (LAN MONITOR)

  1. Read the communication diagnostic check result (Click here).

    Result:
    Display (Sub-code Output)
    		Proceed to
    Sub-code output
    		A
    Not output
    		B


B
Go to step 3
A


2.CHECK AVC-LAN HARNESS AND POWER SOURCE
HINT:
Potential causes of the problem are listed in order of probability in the "Suspected Areas" column of the table below. The sub-code is always displayed with the DTC if it is registered.

  1. Check these suspected areas when the sub-code is shown.

    Sub-code Address
    (Device Name)
    		Suspected Areas
    110
    (Multi-display)
    		Multi-display power source circuit
    AVC-LAN circuit between multi-display and radio receiver assembly
    Multi-display
    178
    (Navigation ECU)
    		Navigation ECU power source circuit
    AVC-LAN circuit between multi-display and navigation ECU
    Navigation ECU
    190
    (Radio Receiver Assembly)
    		Radio receiver power source circuit
    AVC-LAN circuit between multi-display and radio receiver assembly
    Radio receiver assembly
    17D
    (Telephone Transceiver and Speaker Relay)
    		AVC-LAN circuit between stereo component amplifier and stereo component tuner
    Telephone transceiver and speaker relay
    280
    (Television Camera ECU)
    		Television camera ECU power source circuit
    AVC-LAN circuit between multi-display and television camera ECU
    Television camera ECU
    440
    (Stereo Component Amplifier)
    		Stereo component amplifier power source circuit
    AVC-LAN circuit between stereo component amplifier and radio receiver assembly
    Stereo component amplifier



NG
CHECK AND REPLACE MALFUNCTIONING PART
OK


3.CLEAR DTC

  1. Clear DTC (Click here).


NEXT

END