DTC    01-D6    No Master (DSP AMP)

DTC    01-D7    Connection Check Error (DSP AMP)

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DESCRIPTION


DTC No.
DTC Detection Condition
Trouble Area
01-D6
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
  3. Stereo component amplifier
01-D7
When either condition below is met:
  1. Device that stored this code has (had) been disconnected after engine starts (started)
  2. Master device has (had) been disconnected

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 POWER SOURCE CIRCUIT (STEREO COMPONENT AMPLIFIER))
Please follow this page (Click here).
If the power source circuit is operating normally, proceed to the next step.

NEXT


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

NEXT


4.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


5.CHECK STEREO COMPONENT AMPLIFIER

  1. Check that the malfunction disappears when the stereo component amplifier is replaced with a normal one.

    OK:
    Malfunction disappears.



OK
REPLACE STEREO COMPONENT AMPLIFIER
NG

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE