ASC SYSTEM, Diagnostic DTC:B1361

DTC Code DTC Name
B1361 Volume Switch Circuit

DESCRIPTION

The stereo component equalizer assembly adjusts dynamic engine 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

A01R5U8E03

CAUTION / NOTICE / HINT

Note

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

PROCEDURE


  1. CHECK FOR DTC


    1. Turn the engine switch off.

    2. Connect the GTS to the DLC3.

    3. Turn the engine switch on (IG).

    4. Clear the DTCs.

      Click here

    5. Make sure that the DTC detection conditions are met.

      Tech Tips

      If the detection conditions are not met, the system cannot detect the malfunction.

    6. Check for DTCs.

      Result
      Result Proceed to
      DTC B1361 is not output A
      DTC B1361 is output B

    7. Turn the engine switch off.


    A

    END

    B

  2. READ VALUE USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the engine 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
      Normal conditions listed above are displayed.
      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

  3. CHECK HARNESS AND CONNECTOR (POWER SOURCE - VEHICLE SOUND SWITCH)


    1. Disconnect the O36 vehicle sound switch connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      O36-8 (NVS) - Body ground Engine switch on (IG) 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. INSPECT VEHICLE SOUND SWITCH


    1. Remove the vehicle sound switch.

      Click here

    2. Inspect the vehicle sound switch.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE VEHICLE SOUND SWITCH Click here

    OK

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


    1. Disconnect the O35 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
      O36-6 (NVM) - O35-14 (VSLI) Always Below 1 Ω
      O36-6 (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