ASC SYSTEM, Diagnostic DTC:B1361

DTC Code DTC Name
B1361 Volume Switch Circuit

DESCRIPTION

The stereo component equalizer assembly adjusts sound volume based on the signal sent by the vehicle sound switch.

DTC No. Detection Item DTC Detection Condition Trouble Area Memory
B1361 Volume Switch Circuit Open in the volume switch circuit

  • Harness or connector between vehicle sound switch and stereo component equalizer assembly

  • Vehicle sound switch

  • Stereo component equalizer assembly

 Memorized

WIRING DIAGRAM

A01MSR2E01

CAUTION / NOTICE / HINT

Note

Inspect the fuses for circuits related to this system before performing following procedure.

PROCEDURE


  1. READ VALUE USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / ASC / Data List.

    5. Read the Data List according to the display on the GTS.


      Body Electrical > ASC > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Volume Switch Voltage The VSLI terminal voltage to the CPU of the stereo component equalizer assembly

      Min.: 0 V

      Max.: 5 V

      		 Changes according to vehicle sound switch volume setting -

      Body Electrical > ASC > Data List
      Tester Display
      Volume Switch Voltage
      OK
      The display is as specified in the normal condition column.
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE STEREO COMPONENT EQUALIZER ASSEMBLY for LHD: Click here
    REPLACE STEREO COMPONENT EQUALIZER ASSEMBLY for RHD: Click here

    NG

  2. INSPECT VEHICLE SOUND SWITCH


    1. A01MT6HC06
      *a

      Component without harness connected

      (Vehicle Sound Switch)

      Check the volume control function.


      1. Remove the vehicle sound switch.

        Click here

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        6 (NVM) - 8 (NVS) Vehicle sound switch volume set to maximum 4.08 to 2.72 kΩ
        6 (NVM) - 8 (NVS) Vehicle sound switch volume set to minimum 0.42 to 0.28 kΩ
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE VEHICLE SOUND SWITCH Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (VEHICLE SOUND SWITCH - STEREO COMPONENT EQUALIZER ASSEMBLY)


    1. Disconnect the K36 stereo component equalizer assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K37-6 (NVM) - K36-14 (VSLI) Always Below 1 Ω
      K37-6 (NVM) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE STEREO COMPONENT EQUALIZER ASSEMBLY for LHD: Click here
    REPLACE STEREO COMPONENT EQUALIZER ASSEMBLY for RHD: Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR