NAVIGATION 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 battery voltage input to the radio and display receiver assembly dropping temporarily.

DTC No. DTC Detection Condition Trouble Area
B158F A video or audio signal is interrupted when the battery voltage drops.

  • Radio and display receiver assembly

  • Harness or connector

  • Stop and start system*

*: w/ stop and start system

WIRING DIAGRAM

A005J4ZE03

CAUTION / NOTICE / HINT

Note

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

PROCEDURE


  1. CHECK VEHICLE SIGNAL (OPERATION CHECK)


    1. A005MHC

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

    2. Check the battery voltage.

      Standard Voltage
      11 to 14 V (w/o Stop and Start System)
      9.5 to 14 V (w/Stop and Start System)

      Tech Tips

      This display is updated once per second.


    NG

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

    OK

  2. CHECK DTC


    1. Clear the DTCs Click here.

    2. Recheck for DTCs and check if the same DTCs are output again.

      OK
      No DTCs are output.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

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


    1. A005LGBE01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Radio and Display Receiver Assembly)

      Disconnect the F45 radio and display receiver assembly connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      F45-4 (+B1) - Body ground Always

      11 to 14 V*1

      9.5 to 14 V*2

      • *1: w/o Stop and Start System


      • *2: w/ Stop and Start System

    3. Proceed to the next step based on the check result.

      Result
      Result Proceed to
      OK A
      NG (w/o Stop and Start System) B
      NG (w/ Stop and Start System) C

    A

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    B

    REPAIR OR REPLACE HARNESS AND CONNECTOR

    C

    GO TO STOP AND START SYSTEM Click here