ASC SYSTEM, Diagnostic DTC:B1360

DTC Code DTC Name
B1360 Speaker Circuit

DESCRIPTION

This DTC is stored when a connection malfunction, such as an open, is detected in the wire harness between the stereo component equalizer assembly and No. 1 speaker assembly with box.

DTC No. Detection Item DTC Detection Condition Trouble Area Memory
B1360 Speaker Circuit Open in the speaker circuit

  • Harness or connector between No. 1 speaker assembly with box and stereo component equalizer assembly

  • No. 1 speaker assembly with box

  • Stereo component equalizer assembly

 Memorized

WIRING DIAGRAM

A01MT47E01
*a No. 1 Speaker Assembly with Box
*b Stereo Component Equalizer Assembly

PROCEDURE


  1. PERFORM ACTIVE TEST 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 / Active Test.

    5. Perform the Active Test according to the display on the GTS.


      Body Electrical > ASC > Active Test
      Tester Display Measurement Item Control Range Diagnostic Note
      Sound ASC system ON or OFF -

      Body Electrical > ASC > Active Test
      Tester Display
      Sound
      OK
      Sound is output.
      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 NO. 1 SPEAKER ASSEMBLY WITH BOX


    1. A01MRRPC08
      *a

      Component without harness connected

      (No. 1 Speaker Assembly with Box)

      Remove the No. 1 speaker assembly with box.

      Click here

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Always 3.4 to 4.6 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE NO. 1 SPEAKER ASSEMBLY WITH BOX Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (NO. 1 SPEAKER ASSEMBLY WITH BOX - 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
      K38-1 - K36-16 (SPO+) Always Below 1 Ω
      K38-2 - K36-15 (SPO-) Always Below 1 Ω
      K38-1 - Body ground Always 10 kΩ or higher
      K38-2 - 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