AUDIO AND VISUAL SYSTEM(for Radio and Display Type), Diagnostic DTC:B158F

DTC Code DTC Name
B158F AV Signal Stoppage (Low Battery Voltage)

DESCRIPTION

This DTC is stored when an audio signal is interrupted due to battery voltage input to the radio and display receiver assembly dropping temporarily.

DTC No. Detection Item DTC Detection Condition Trouble Area
B158F AV Signal Stoppage (Low Battery Voltage) A video or audio signal is interrupted when the battery voltage drops

  • Radio and display receiver assembly

  • Harness or connector

  • Stop and start system

WIRING DIAGRAM

B006QXVE02
*a from Engine Stop and Start ECU
*b Radio and Display Receiver Assembly

PROCEDURE


  1. CHECK VEHICLE SIGNAL (OPERATION CHECK)


    1. B006PVO

      Enter the "Vehicle Signal Check Mode" screen. Refer to Check Vehicle Signal in Operation Check.

      Click here

    2. Measure the battery voltage.

      Standard Voltage
      11 to 14 V

      Tech Tips

      This display is updated once per second.

      Result
      Proceed to
      OK
      NG

    NG

    CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY POWER SOURCE) Click here

    OK

  2. CHECK DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

    2. Recheck for DTCs and check that no DTCs are output.


      Body Electrical > Navigation System > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    END

    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

  3. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY POWER SOURCE)


    1. Disconnect the radio and display receiver assembly connector.

    2. B006RFLC02
      *a

      Front view of wire harness connector

      (to Radio and Display Receiver Assembly)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      F37-4 (+B1) - Body ground Always 11 to 14 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    NG

    GO TO STOP AND START SYSTEM Click here