Lexus IS250 IS220d GSE20 ALE20 - AUDIO / VISUAL

DESCRIPTION

INSPECTION PROCEDURE

CHECK FOR DTC OF OTHER COMPONENTS

IDENTIFY THE COMPONENT WHICH HAS STORED THIS CODE

CHECK COMPONENT WHICH HAS STORED THIS CODE

CLEAR DTC

RECHECK DTC

DTC 01-DC Transmission Error

DESCRIPTION

DTC No.DTC Detection ConditionTrouble Area
01-DCTransmission to component shown by sub-code failed (Detecting this DTC does not always mean actual failure)If the same sub-code is recorded in other components, check harness for power supply and communication system of all components shown by code
  • NOTICE:
The radio receiver is the master unit.
Be sure to clear and recheck DTCs after the inspection is completed to confirm that no DTCs are output.

INSPECTION PROCEDURE

  • NOTICE:
  • Be sure to read DESCRIPTION before performing the following procedures.
1.CHECK FOR DTC OF OTHER COMPONENTS

Check if the component shown by the sub-code is displayed in the check result of the other components.


Check if "01-DC" is output for the other components.

If "01-DC" is output for any other components, check if the same physical address is displayed.

  • Result:
  • ResultProceed to
    "01-DC" is output and the same physical address is displayedA
    "01-DC" is not output or the same physical address is not displayedB
  • HINT:
  • For the list of the components shown by sub-codes, refer to the table in step 2.
B
Go to step 4
A
2.IDENTIFY THE COMPONENT WHICH HAS STORED THIS CODE

Enter the diagnostic mode.

Dtc 01-Dc Transmission Error. AUDIO / VISUAL. Lexus IS250 IS220d GSE20 ALE20

Press the preset switch "3" to change to "Detailed Information Mode".

Identify the component which has stored this code.

Component Table:
ComponentPhysical address
Gateway ECU1C6
Stereo component amplifier440
Integration control & panel assembly1D8
Radio receiver190
  • HINT:
"440 (stereo component amplifier)" is the component which has stored this code in the example shown in the illustration.
For details of the DTC display, refer to "DTC CHECK/CLEAR" .
NEXT
3.CHECK COMPONENT WHICH HAS STORED THIS CODE

Select the component which has stored this code.

Component Table:
ComponentProceed to
Gateway ECUGateway ECU communication error
Stereo component amplifierStereo component amplifier communication error
Integration control & panel assemblyIntegration control & panel assembly communication error
Radio receiverRadio receiver communication error
NEXT
END
4.CLEAR DTC

Clear the DTCs .

  • HINT:
  • If "01-DC" is output for only one component, this may not indicate a malfunction.
NEXT
5.RECHECK DTC

Recheck for DTCs and check if the same trouble code occurs again.

  • OK:
  • Malfunction disappears.
NG
Go to step 3
OK
END
LEXUS IS250, IS220d / GSE20 ALE20
AUDIO / VISUAL
Lexus IS250 IS220d GSE20 ALE20
AUDIO AND VISUAL SYSTEM