Dtc 01-Dc Transmission Error (Dsp Amp)

Body Electrical. Lexus Gs430, Gs300. Uzs190 Grs190
Audio Visual. Lexus Gs430, Gs300. Uzs190 Grs190

DESCRIPTION

INSPECTION PROCEDURE

READ OUTPUT DTC (LAN MONITOR)

CHECK AND REPLACE AVC-LAN HARNESS AND SOURCE

CLEAR DTC

DTC 01-DC Transmission Error (DSP AMP)


DESCRIPTION


DTC No.
DTC Detection Condition
Trouble Area
01-DC
Device stores information that transmission to device indicated by sub-code has failed
Inspection for device indicated by sub-code
(Refer to inspection list for device indicated by sub-code)

INSPECTION PROCEDURE

HINT:
Potential causes of the problem are listed in order of probability in the trouble area column. The sub-code is always displayed with the DTC if it is registered.
1.READ OUTPUT DTC (LAN MONITOR)

  1. Read the communication diagnostic check result.

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


B
Go to step 3
A


2.CHECK AND REPLACE AVC-LAN HARNESS AND SOURCE

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

    Sub-code Address
    (Device Name)
    		Suspected Areas
    190
    (Radio Receiver Assembly)
    		Power source circuit (radio receiver assembly)
    Radio receiver assembly
    1C6
    (Gateway ECU)
    		AVC-LAN circuit (radio receiver assembly - gateway ECU)
    Gateway ECU
    440
    (Stereo Component Amplifier)
    		Power source circuit (stereo component amplifier)
    AVC-LAN circuit (stereo component amplifier - radio receiver assembly)
    Stereo component amplifier



NG
CHECK MALFUNCTIONING PART
OK


3.CLEAR DTC

  1. Clear DTC (Click here).


NEXT

END