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DTC 01-DD Master Reset (DSP AMP); DTC 01-DF Master Error (DSP AMP); DTC 01-E1 Voice Processing Device ON Error (DSP AMP): Description

DIAGNOSTIC TROUBLE CODE CHART

DTC No. DTC Detection Condition Trouble Area
01-DD *1 When device that should be master has been disconnected after engine starts
  • Wire harness
  • Radio receiver assembly
  • Stereo component amplifier
01-DF *2 When a device with display fails and master is switched to audio device. Also when communication error between sub master (audio) and master occurs, this code is stored
01-E1 *3 When stereo component amplifier device records that stereo component amplifier output does not function even while source device operates

HINT:

  1. CHECK RADIO RECEIVER POWER SOURCE CIRCUIT 

    (see RADIO RECEIVER POWER SOURCE CIRCUIT  ) If the power source circuit is operating normally, proceed to the next step.

    NEXT 

  2. CHECK AVC-LAN CIRCUIT BETWEEN RADIO RECEIVER AND STEREO COMPONENT AMPLIFIER 

    (see AVC-LAN CIRCUIT BETWEEN RADIO RECEIVER AND AMP  ) 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 

    NEXT: REPLACE STEREO COMPONENT AMPLIFIER