NAVIGATION SYSTEM (for Navigation Receiver Type), 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. DTC Detection Condition Trouble Area
B158F A video or audio signal is interrupted when the battery voltage drops Navigation receiver assembly

WIRING DIAGRAM

B000HZXE37

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. B000L9F

      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.


    NG

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

    OK

  2. CHECK DTC


    1. Clear the DTCs Click here.

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

      OK
      No DTCs are output.
      Result
      Result Proceed to
      OK A
      NG (for TMMK Made) B
      NG (for TMC Made) C

    B

    REPLACE NAVIGATION RECEIVER ASSEMBLY (for TMMK Made) Click here

    C

    REPLACE NAVIGATION RECEIVER ASSEMBLY (for TMC Made) Click here

    A

    USE SIMULATION METHOD TO CHECK Click here

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


    1. Disconnect the I64 navigation receiver assembly connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      I64-4 (+B1) - Body ground Always 11 to 14 V
      Result
      Result Proceed to
      NG A
      OK (for TMMK Made) B
      OK (for TMC Made) C

    B

    REPLACE NAVIGATION RECEIVER ASSEMBLY (for TMMK Made) Click here

    C

    REPLACE NAVIGATION RECEIVER ASSEMBLY (for TMC Made) Click here

    A

    REPAIR OR REPLACE HARNESS OR CONNECTOR