Dtc 01-D5 Absence Of Registration Unit (Emv)

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-D5 Absence of Registration Unit (EMV)

DTC 01-D8 No Response for Connection Check (EMV)

DTC 01-D9 Last Mode Error (EMV)

DTC 01-DA No Response Against ON / OFF Command (EMV)

DTC 01-DB Mode Status Error (EMV)

DTC 01-DC Failure in Transmission (EMV)

DTC 01-DE Slave Reset (EMV)


DESCRIPTION


DTC No.
DTC Detection Condition
Trouble Area
01-D5
*1, *5
Device that sub-code shows is (was) disconnected from system when turning the engine switch on (ACC) or on (IG)
Communication condition with device that code shows cannot be obtained when engine starts
Inspection for device indicated by sub-code
(Refer to inspection list for device indicated by sub-code)
01-D8
*2, *5
Device indicated by sub-code is (was) disconnected from system after engine start
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) in 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 dual alarm
01-DC
*3, *5
This code indicates transmission failure to device indicated by sub-code
NOTE: This DTC may not be related to malfunction
01-DE
*4, *5
This code is stored when slave device has been disconnected after engine start
HINT:
  1. *1: This code may be recorded depending on the battery condition or engine start voltage even if no failure is detected.
  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

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
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
1C6
(Gateway ECU)
AVC-LAN circuit between radio receiver assembly and gateway ECU
Gateway ECU
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