NAVIGATION SYSTEM(for SD), 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 navigation 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.

  • Navigation receiver assembly

  • Harness or connector

WIRING DIAGRAM

A01V8WRE28
*a from Battery
*b RADIO
*c Navigation Receiver Assembly

CAUTION / NOTICE / HINT

Note


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

  • Check that the wire harness is properly installed and does not have any sharp bends, pinching or loose connections.

    Click here

PROCEDURE


  1. CHECK VEHICLE SIGNAL (OPERATION CHECK)


    1. A01V9Z4

      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

      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.

      Result
      Proceed to
      OK
      NG

    NG

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

    OK

  2. CHECK FOR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

    2. Check for DTCs.

      Click here


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

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

    REPLACE NAVIGATION RECEIVER ASSEMBLY Click here

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


    1. A01V6XNC12
      *a

      Front view of wire harness connector

      (to Navigation Receiver Assembly)

      Disconnect the navigation receiver assembly connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      G137-4 (+B1) - Body ground Always 11 to 14 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE NAVIGATION RECEIVER ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR