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AUDIO AND VISUAL SYSTEM, Diagnostic DTC:01-DD, 01-E1

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DTC Code DTC Name
01-DD Master Reset
01-E1 Voice Processing Device ON Error
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DESCRIPTION

DTC No. DTC Detection Condition Trouble Area
01-DD The device that should be the master has been disconnected after engine start.

  • Radio receiver power source circuit

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

  • Radio receiver assembly

  • Component which has stored this code
01-E1 The AMP device records that the AMP output does not function even while the source device operates.
Tip:

Even if no fault is present, this DTC may be stored depending on the battery condition or engine start voltage.

Note:

  • Before starting troubleshooting, be sure to clear the DTCs stored due to the reason described in the 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 for DTCs after the inspection is completed to confirm that no DTCs are output.

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INSPECTION PROCEDURE

Note:

Be sure to read Description before performing the following procedure.

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PROCEDURE


  1. Click here

    CHECK RADIO RECEIVER POWER SOURCE CIRCUIT


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

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


  2. Click here

    INSPECT RADIO RECEIVER ASSEMBLY


    1. A01CC1JE16

      Disconnect the radio receiver assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F13-9 (TXM+) - F13-10 (TXM-) Always 60 to 80 Ω
      Table 1. Text in Illustration
      *a

      Component without harness connected

      (Radio Receiver Assembly)

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    IDENTIFY COMPONENT WHICH HAS STORED THIS CODE


    1. A01CAOVE14

      Enter diagnostic mode.

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

    3. Identify the component which has stored this code.

      Table 2. Component Table
      Component Physical Address
      Television display assembly 1B0
      Tip:

      • The physical address "P440" shown in the above example indicates the stereo component amplifier.

      • For details on DTCs and how to display/clear them, refer to DTC Check/Clear (Click here).


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    CHECK HARNESS AND CONNECTOR

    Tip:

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


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


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

      2. A01CFBWE15

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

        OK
        There is no open or short circuit.

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    END

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    REPLACE RADIO RECEIVER ASSEMBLY


    1. Replace the radio receiver assembly with a known good one (Click here).


  7. Click here

    CLEAR DTC


    1. Clear the DTCs (Click here).


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    RECHECK FOR DTC


    1. Recheck for DTCs and check if the same DTC is output again.

      OK
      No DTCs are output.

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    REPAIR OR REPLACE HARNESS OR CONNECTOR

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    REPLACE COMPONENT WHICH HAS STORED THIS CODE

  11. Click here

    REPLACE RADIO RECEIVER ASSEMBLYClick here