AUDIO AND VISUAL SYSTEM, Diagnostic DTC:B158F

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

DESCRIPTION

This DTC is stored when a video or audio signal is interrupted due to auxiliary battery voltage input to the multi-media module receiver assembly dropping temporarily.

DTC Code DTC Detection Condition Trouble Area
B158F A video or audio signal is interrupted when the auxiliary battery voltage drops.

  • Harness or connector

  • Multi-media module receiver assembly

WIRING DIAGRAM

A01H25ME20

INSPECTION PROCEDURE

Note

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

PROCEDURE


  1. CHECK VEHICLE SIGNAL (OPERATION CHECK)


    1. A01GYAE

      Enter the "Vehicle Signal Check Mode" screen. [Refer to Check Vehicle Signal in Operation Check Click here]

    2. Check that the auxiliary battery voltage.

      Standard voltage
      11 to 14 V (power switch off)

      Tech Tips

      This display is updated once per second. As a result, it is normal for the display to lag behind the actual switch operation.


    NG

    CHECK HARNESS AND CONNECTOR (MULTI-MEDIA MODULE RECEIVER ASSEMBLY - BATTERY) Click here

    OK

  2. CLEAR DTC


    1. Clear the DTCs Click here.


    NEXT

  3. CHECK FOR DTC


    1. Recheck for DTCs and check if the same DTC is output again Click here.

      OK
      No DTCs are output.

    NG

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here

  4. CHECK HARNESS AND CONNECTOR (MULTI-MEDIA MODULE RECEIVER ASSEMBLY - BATTERY)


    1. A01H201E15
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Multi-media Module Receiver Assembly)

      Disconnect the multi-media module receiver assembly connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      L164-17 (+B1) - Body ground Power switch off 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here