Dtc 01-D6 No Master (Audio H/U)

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

DESCRIPTION

INSPECTION PROCEDURE

CHECK POWER SOURCE CIRCUIT (RADIO RECEIVER ASSEMBLY)

CHECK AVC-LAN CIRCUIT (RADIO RECEIVER ASSEMBLY)

CHECK RADIO RECEIVER ASSEMBLY

DTC 01-D6 No Master (AUDIO H/U)

DTC 01-D7 Connection Check Error (AUDIO H/U)


DESCRIPTION


DTC No.
DTC Detection Condition
Trouble Area
01-D6
*1
When either condition below is met:
  1. Device that stores (stored) this code has (had) been disconnected when engine switch is on (ACC) or on (IG)
  2. Master device has (had) been disconnected
  1. Wire harness
  2. Radio receiver assembly
01-D7
When either condition below is met:
  1. Device that stored this code has (had) been disconnected after engine starts
  2. Master device has (had) been disconnected
HINT:
*1: Even if no failure is detected, a trouble code may be recorded depending on the battery condition or engine start voltage.

INSPECTION PROCEDURE

1.CHECK POWER SOURCE CIRCUIT (RADIO RECEIVER ASSEMBLY)
Please follow this page (Click here).
If the power source circuit is operating normally, proceed to the next step.

NEXT


2.CHECK AVC-LAN CIRCUIT (RADIO RECEIVER ASSEMBLY)
Please follow this page (Click here).
If the AVC-LAN circuit is operating normally, proceed to the next step.

NEXT


3.CHECK RADIO RECEIVER ASSEMBLY

  1. Check that the malfunction disappears when the radio receiver assembly is replaced with a normal one.

    OK :
    Malfunction disappears.


OK
REPLACE RADIO RECEIVER ASSEMBLY
NG

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE