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 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.

  • Multi-media module receiver assembly

  • Harness or connector

WIRING DIAGRAM

A000PYTE14
*1 from Auxiliary Battery
*2 MULTIMEDIA
*3 Multi-media Module Receiver Assembly

CAUTION / NOTICE / HINT

Note


  • 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.

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

PROCEDURE


  1. CHECK VEHICLE SIGNAL (OPERATION CHECK)


    1. A000NRL

      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 15.5 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.


    NG

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

    OK

  2. CLEAR DTC


    1. Clear the DTCs Click here.


    NEXT

  3. CHECK DTC


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

      OK
      No DTCs are output.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here

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


    1. A000SRIE01
      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
      N164-17 (+B1) - Body ground Power switch off 11 to 14 V

    OK

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR