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 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 receiver assembly

  • Harness or connector

WIRING DIAGRAM

B00571UE01

CAUTION / NOTICE / HINT

Note


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

  • Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.

    Click here

PROCEDURE


  1. CHECK VEHICLE SIGNAL (OPERATION CHECK)


    1. B005AGD

      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 Strat System)
      10.5 to 16 V (w/ Stop and Strat System)

      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 (RADIO RECEIVER ASSEMBLY POWER SOURCE) Click here

    OK

  2. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  3. CHECK DTC


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

      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 RADIO RECEIVER ASSEMBLY Click here

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


    1. B005AQVC06
      *a

      Front view of wire harness connector

      (to Radio Receiver Assembly)

      Disconnect the radio receiver assembly connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      I38-17 (+B1) - Body ground*1 Always 11 to 14 V
      I38-17 (+B1) - Body ground*2 Always 10.5 to 16 V

      • *1: w/o Stop and Strat System

      • *2: w/ Stop and Strat System

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR