DTC    01-D6    No Master (AUDIO H/U)

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

for Preparation Click here


DESCRIPTION


DTC No.
DTC Detection Condition
Trouble Area
01-D6
*1
When either of following conditions is met:
  1. Device that stores (stored) code has (had) been disconnected when engine switch is on (ACC) or on (IG)
  2. Master device has (had) been disconnected when this code is (was) stored
  1. Wire harness
  2. Radio receiver assembly
  3. Multi-display
01-D7
*2
When either of following conditions is met:
  1. Device that stored this code has (had) been disconnected after engine starts (started)
  2. Master device has (had) been disconnected when this code is (was) stored

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: When 210 seconds have elapsed after disconnecting the power supply connector of the master component with the engine switch on (ACC or IG), this code is stored.


INSPECTION PROCEDURE

1.CHECK MULTI-DISPLAY POWER SOURCE CIRCUIT
Refer to the "multi-display power source circuit" (Click here).
If the power source circuit is operating normally, proceed to the next step.

NEXT


2.CHECK AVC-LAN CIRCUIT BETWEEN MULTI-DISPLAY AND RADIO RECEIVER ASSEMBLY
Refer to the "AVC-LAN circuit between multi-display and radio receiver assembly" (Click here).
If the AVC-LAN circuit is operating normally, proceed to the next step.

NEXT


3.CHECK RADIO RECEIVER POWER SOURCE CIRCUIT
Refer to the "radio receiver power source circuit" (Click here).
If the power source circuit is operating normally, proceed to the next step.

NEXT


4.REPLACE RADIO RECEIVER ASSEMBLY

  1. Replace the radio receiver assembly with a normal one and check if the same problem occurs again.

    OK:
    Same problem does not occur.



NG
REPLACE MULTI-DISPLAY
OK

END