AUDIO AND VISUAL SYSTEM (w/o Navigation System), Diagnostic DTC:01-D6, 01-D7

DTC Code DTC Name
01-D6 No Master
01-D7 Connection Check Error

DESCRIPTION

DTC Code DTC Detection Condition Trouble Area
01-D6*1

Either condition is met:


  • The device that stores (stored) the code has (had) been disconnected when the ignition switch is ACC or ON.


  • The master device has (had) been disconnected when this code is stored.

  • Radio receiver power source circuit


  • Power source circuit of the component which has stored this code


  • AVC-LAN circuit between the radio receiver assembly and the component which has stored this code


  • Component which has stored this code


  • Radio receiver assembly
01-D7*2

Either condition is met:


  • The device that stored the code has (had) been disconnected after the engine starts (started).


  • The master device has (had) been disconnected when this code is (was) stored.

Tech Tips


  • *1: Even if no fault is present, this trouble code may be stored depending on the battery condition or engine start voltage.

  • *2: When 210 seconds have elapsed after disconnecting the power supply connector of the master unit with the ignition switch in ACC or ON, this code is stored.

Note


  • Before starting troubleshooting, be sure to clear DTCs to clear codes stored due to the reasons described in Hint above. Then, check for DTCs and troubleshoot according to the output DTCs.

  • The radio receiver assembly is the master unit.

  • Be sure to clear and recheck DTCs after the inspection is completed to confirm that no DTCs are output.

WIRING DIAGRAM

A0099VHE04

INSPECTION PROCEDURE

Note

Be sure to read Description before performing the following procedures.

PROCEDURE


  1. CHECK RADIO RECEIVER POWER SOURCE CIRCUIT


    1. Refer to Radio Receiver Power Source Circuit Click here.

      Tech Tips

      If the power source circuit is operating normally, proceed to the next step.


    NEXT

  2. IDENTIFY COMPONENT WHICH HAS STORED THIS CODE


    1. Enter the diagnostic mode.

      A009BNWE06

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

    3. Identify the component which has stored this code.

      Component Table
      Component Physical Address
      Radio receiver assembly 190
      "Bluetooth" handsfree module 19D
      Multi-media interface ECU 388

      Tech Tips


      • "440 (stereo component amplifier assembly)" 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 Click here.


    NEXT

  3. CHECK COMPONENT WHICH HAS STORED THIS CODE


    1. Select the component which has stored this code.

      Tech Tips

      The "Bluetooth" handsfree module is built into the radio receiver assembly. If there is a problem between the "Bluetooth" handsfree module and radio receiver assembly, replace the radio receiver assembly.

      Component Table
      Component Proceed to
      Except "Bluetooth" handsfree module A
      "Bluetooth" handsfree module (19D) (w/o Accessory Meter) B
      "Bluetooth" handsfree module (19D) (w/ Accessory Meter) C

    B

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    C

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    A

  4. CHECK POWER SOURCE CIRCUIT OF COMPONENT WHICH HAS STORED THIS CODE


    1. Inspect the power source circuit of the component which has stored this code.

      Tech Tips

      If the power source circuit is operating normally, proceed to the next step.

      Component Table
      Component Proceed to
      Radio receiver assembly

      Radio Receiver Power Source Circuit Click here

      Multi-media interface ECU

      Multi-media Interface ECU Power Source Circuit Click here


    NEXT

  5. INSPECT RADIO RECEIVER ASSEMBLY


    1. A0097KTE32
      Text in Illustration
      *A for 9 Speakers

      Disconnect the H38* and H36 radio receiver assembly connectors.


      • *: for 9 Speakers

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H38-5 (ATX+) - H38-15 (ATX-)* Always 60 to 80 Ω
      H36-9 (TXM+) - H36-10 (TXM-) Always 60 to 80 Ω

      • *: for 9 Speakers

      Result
      Result Proceed to
      OK A
      NG (w/o Accessory Meter) B
      NG (w/ Accessory Meter) C

    B

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    C

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    A

  6. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - COMPONENT WHICH HAS STORED THIS CODE)

    Tech Tips

    For details of the connectors, refer to Terminals of ECU Click here.


    1. Referring to the wiring diagram, check the AVC-LAN circuit between the radio receiver assembly and the component which has stored this code.


      1. Disconnect all connectors between the radio receiver assembly and the component which has stored this code.

      2. Check for an open or short in the AVC-LAN circuit between the radio receiver assembly and the component which has stored this code.

        OK
        There is no open or short circuit.

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  7. REPLACE COMPONENT WHICH HAS STORED THIS CODE


    1. Replace the component which has stored this code with a normal one and check if the same problem occurs again.

      OK
      The same problem does not occur.
      Result
      Result Proceed to
      OK A
      NG (w/o Accessory Meter) B
      NG (w/ Accessory Meter) C

    B

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    C

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    A

    END