Dtc 01-D8 No Response For Connection Check (Audio H/U)

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

DESCRIPTION

INSPECTION PROCEDURE

READ OUTPUT DTC (LAN MONITOR)

CHECK AVC-LAN HARNESS AND POWER SOURCE

CLEAR DTC

DTC 01-D8 No Response for Connection Check (AUDIO H/U)

DTC 01-D9 Last Mode Error (AUDIO H/U)

DTC 01-DA No Response Against ON / OFF Command (AUDIO H/U)

DTC 01-DB Mode Status Error (AUDIO H/U)

DTC 01-DC Failure in Transmission (AUDIO H/U)

DTC 01-DE Slave Reset (AUDIO H/U)


DESCRIPTION


DTC No.
DTC Detection Condition
Trouble Area
01-D8
*2, *5
 Device indicated by sub-code is (was) disconnected from system after engine start
Inspection for device indicated by sub-code
(Refer to inspection list for device indicated by sub-code)
01-D9
*1, *5
Device (for audio visual system) that had functioned before engine stopped is (was) disconnected from system when engine switch is (was) on (ACC) or on (IG)
01-DA
*5
No response is identified when changing mode (audio and visual mode change). Detected when sound and image do not change by switch operation
01-DB
*1, *5
This code detects a dual alarm
01-DC
*3, *5
This code indicates a transmission failure to device indicated by sub-code
NOTICE:
This DTC may not be related with malfunction
01-DE
*4, *5
This code is stored when a slave device has been disconnected after engine start
HINT:
  1. *1: Even if no failure is detected, a trouble code may be recorded depending on the battery condition or engine start voltage.
  2. *2: If the power connector is disconnected after the engine starts, this code is recorded after 180 seconds.
  3. *3: This code may be stored if the engine is started, idled for 60 seconds, turned off, and then started again.
  4. *4: This code may be stored if the engine is started, turned off, and then started again.
  5. *5: If the device is reported as not existing during verification, check the power source circuit and AVC-LAN circuit for the device.

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 AVC-LAN HARNESS AND POWER 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 AND REPLACE MALFUNCTIONING PART
OK


3.CLEAR DTC

  1. Clear DTC (Click here).


NEXT

END