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Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Navigation >> NAVIGATION SYSTEM (for HDD) >> DTC 01-DC Transmission Error >> Inspection Procedure

Inspection Procedure

NOTE: Be sure to read DESCRIPTION before performing the following procedures.
  1. CHECK FOR DTC OF OTHER COMPONENTS 
    1. Check if the component shown by the sub-code is displayed in the check result of the other components.
      1. Check if "01-DC" is output for the other components.
      2. If "01-DC" is output for any other components, check if the same physical address is displayed.

        HINT:

        For the list of the components shown by sub-codes, refer to the table in the next step.

        Result 

        RESULT REFERENCE

        Result Proceed to
        "01-DC" is output and the same physical address is displayed A
        "01-DC" is not output or the same physical address is not displayed B

    B: Go to step   4 

    A: GO TO NEXT STEP 

  2. IDENTIFY COMPONENT WHICH HAS STORED THIS CODE 
    1. Enter the diagnostic mode.
    2. Press the "LAN Mon" switch to change to "LAN Monitor" mode.
      Fig 1: Identifying Screen Display - LAN Monitor
      G04945304Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Identify the component which has stored this code.

      Component table 

      COMPONENT TABLE

      Display Component
      AUDIO Radio receiver
      DSP-AMP Stereo component amplifier
      EMVN Display and navigation assembly
      CLOCK Clock
      RSE Television display
      DVD-P Disc player
      CAMERA-C Parking assist ECU
      Rr-CONT Rear power seat module switch
      XM Satellite radio tuner

      HINT:

      "NAVI" is the component which has stored this code in the example shown in the illustration.

  3. CHECK COMPONENT WHICH HAS STORED THIS CODE 
    1. Select the component which has stored this code.

      Component table 

      COMPONENT TABLE

      Component Proceed to
      Radio receiver (AUDIO) RADIO RECEIVER COMMUNICATION ERROR 
      Stereo component amplifier (DSP-AMP) STEREO COMPONENT AMPLIFIER COMMUNICATION ERROR 
      Display and navigation assembly (EMVN) DISPLAY AND NAVIGATION ASSEMBLY COMMUNICATION ERROR 
      Clock (CLOCK) CLOCK COMMUNICATION ERROR 
      Television display (RSE) TELEVISION DISPLAY ASSEMBLY COMMUNICATION ERROR 
      Disc player (DVD-P) DISC PLAYER COMMUNICATION ERROR 
      Parking assist ECU (CAMERA) PARKING ASSIST ECU COMMUNICATION ERROR 
      Rear power seat module switch (Rr-CONT) REAR POWER SEAT MODULE SWITCH COMMUNICATION ERROR 
      Satellite radio tuner (XM) SATELLITE RADIO TUNER COMMUNICATION ERROR 

    NEXT: END 

  4. CLEAR DTC 
    1. Clear the DTCs (see DTC CHECK / CLEAR  ).

      HINT:

      If "01-DC" is output for only one component, this may not indicate a malfunction.

  5. RECHECK DTC 
    1. Recheck for DTCs and check if the same trouble occurs again.

      OK: Malfunction disappears. 

    NG: Go to step 6 

    OK: END 

  6. CHECK COMPONENT WHICH HAS STORED THIS CODE 
    1. Select the component which has stored this code.

      Component table 

      COMPONENT TABLE

      Component Proceed to
      Radio receiver (AUDIO) RADIO RECEIVER COMMUNICATION ERROR 
      Stereo component amplifier (DSP-AMP) STEREO COMPONENT AMPLIFIER COMMUNICATION ERROR 
      Display and navigation assembly (EMVN) DISPLAY AND NAVIGATION ASSEMBLY COMMUNICATION ERROR 
      Clock (CLOCK) CLOCK COMMUNICATION ERROR 
      Television display (RSE) TELEVISION DISPLAY ASSEMBLY COMMUNICATION ERROR 
      Disc player (DVD-P) DISC PLAYER COMMUNICATION ERROR 
      Parking assist ECU (CAMERA) PARKING ASSIST ECU COMMUNICATION ERROR 
      Rear power seat module switch (Rr-CONT) REAR POWER SEAT MODULE SWITCH COMMUNICATION ERROR 
      Satellite radio tuner (XM) SATELLITE RADIO TUNER COMMUNICATION ERROR 

    NEXT: END