Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio/Visual >> AUDIO AND VISUAL SYSTEM (w/ Multi-display) >> 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 CHART

        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   7 

    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 "LAN Monitor"Display Screen
      G04948893Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Identify the component which has stored this code.

      Component table 

      COMPONENT CHART

      Display Component
      AUDIO H/U Radio receiver
      DSP-AMP Stereo component amplifier
      EMV*5,*7 Multi-display
      EMVN*6 Display and navigation assembly
      NAVI*5 Navigation ECU
      CLOCK Clock
      RSE*1 Television display
      DVD-P*2 Disc player
      CAMERA-C*3 Parking assist ECU
      Rr-CONT Rear power seat module switch
      XM*4 Satellite radio tuner
      HINT:
      *1: w/ Rear Seat Entertainment System
      *2: w/ Disc Player
      *3: w/ Advanced Parking Guidance System
      *4: w/ Satellite Radio Tuner
      *5: w/ Navigation System (for DVD)
      *6: w/ Navigation System (for HDD)
      *7: w/o Navigation System (w/ Multi-display)
      "NAVI" is the component which has stored this code in the example shown in the illustration.
  3. CHECK NAVIGATION SYSTEM 
    1. Check if the navigation system is equipped on the vehicle.

      Result 

      RESULT CHART

      Result Proceed to
      w/ Navigation system (for HDD) A
      w/ Navigation system (for DVD) B
      w/o Navigation system (w/ Multi-display) C

    B: Go to step   5 

    C: Go to step   6 

    A: GO TO NEXT STEP 

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

      Component table 

      COMPONENT CHART

      Component Proceed to
      Radio receiver (AUDIO H/U) 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)*1 TELEVISION DISPLAY ASSEMBLY COMMUNICATION ERROR 
      Disc player (DVD-P)*2 DISC PLAYER COMMUNICATION ERROR 
      Parking assist ECU (CAMERA-C)*3 PARKING ASSIST ECU COMMUNICATION ERROR 
      Rear power seat module switch (Rr-CONT) REAR POWER SEAT MODULE SWITCH COMMUNICATION ERROR 
      Satellite Radio Tuner (XM)*4 SATELLITE RADIO TUNER COMMUNICATION ERROR 
      HINT:
      *1: w/ Rear Seat Entertainment System
      *2: w/ Disc Player
      *3: w/ Advanced Parking Guidance System
      *4: w/ Satellite Radio Tuner

    NEXT: END 

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

      Component table 

      COMPONENT CHART

      Component Proceed to
      Radio receiver (AUDIO H/U) RADIO RECEIVER COMMUNICATION ERROR 
      Stereo component amplifier (DSP-AMP) STEREO COMPONENT AMPLIFIER COMMUNICATION ERROR 
      Multi-display (EMV) MULTI-DISPLAY COMMUNICATION ERROR 
      Navigation ECU (NAVI) NAVIGATION ECU COMMUNICATION ERROR 
      Clock (CLOCK) CLOCK COMMUNICATION ERROR 
      Television display (RSE)*1 TELEVISION DISPLAY ASSEMBLY COMMUNICATION ERROR 
      Disc player (DVD-P)*2 DISC PLAYER COMMUNICATION ERROR 
      Rear power seat module switch (Rr-CONT) REAR POWER SEAT MODULE SWITCH COMMUNICATION ERROR 
      HINT:
      *1: w/ Rear Seat Entertainment System
      *2: w/ Disc Player

    NEXT: END 

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

      Component table 

      COMPONENT CHART

      Component Proceed to
      Radio receiver (AUDIO H/U) RADIO RECEIVER COMMUNICATION ERROR 
      Stereo component amplifier (DSP-AMP) STEREO COMPONENT AMPLIFIER COMMUNICATION ERROR 
      Multi-display (EMV) MULTI-DISPLAY COMMUNICATION ERROR 
      Clock (CLOCK) CLOCK COMMUNICATION ERROR 
      Television display (RSE)*1 TELEVISION DISPLAY ASSEMBLY COMMUNICATION ERROR 
      Disc player (DVD-P)*2 DISC PLAYER COMMUNICATION ERROR 
      Rear power seat module switch (Rr-CONT) REAR POWER SEAT MODULE SWITCH COMMUNICATION ERROR 
      HINT:
      *1: w/ Rear Seat Entertainment System
      *2: w/ Disc Player

    NEXT: END 

  7. 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.

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

      OK : 

      Malfunction disappears. 

      Result 

      RESULT CHART

      Result Proceed to
      OK A
      NG (w/ Navigation system [for HDD]) B
      NG (w/ Navigation system [for DVD]) C
      NG (w/o Navigation system [w/ Multi-display]) D

    B: Go to step   4 

    C: Go to step   5 

    D: Go to step   6 

    A: END 

scientia non olet · About Mike's Workshop Manuals