Dtc B158F Av Signal Stoppage (Low Battery Voltage)

Audio Visual Telematics. Land Cruiser. Urj200, 202 Grj200 Vdj200
Navigation Multi Info Display. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK VEHICLE SIGNAL (OPERATION CHECK)

CHECK DTC

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

DTC 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 multi-media module receiver assembly dropping temporarily.

DTC Code
DTC Detection Condition
Trouble Area
B158F
A video or audio signal is interrupted when the battery voltage drops.
  1. Multi-media module receiver assembly
  2. Harness or connector

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Navigation Multi Info Display.Navigation System. Dtc B158F Av Signal Stoppage (Low Battery Voltage)


INSPECTION PROCEDURE

NOTICE:
  1. 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).
  2. Inspect the fuses for circuits related to this system before performing the following inspection procedure.
1.CHECK VEHICLE SIGNAL (OPERATION CHECK)


    Land Cruiser. Urj200, 202 Grj200 Vdj200

  1. Enter the "Vehicle Signal Check Mode" screen. [Refer to Check Vehicle Signal in Operation Check (Click here)]

  1. Check that the battery voltage.

    Standard voltage:
    11 to 14 V
    HINT:
    This display is updated once per second. As a result, it is normal for the display to lag behind the actual switch operation.


NG
Go to step 3
OK


2.CHECK DTC

  1. Clear the DTCs (Click here).

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

    OK:
    No DTCs are output.


NG
REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY (Click here)
OK

USE SIMULATION METHOD TO CHECK (Click here)

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


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Navigation Multi Info Display.Navigation System. Dtc B158F Av Signal Stoppage (Low Battery Voltage)

  1. Disconnect the multi-media module receiver assembly connector.

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

    Standard Voltage:
    Tester Connection
    		Condition
    		Specified Condition
    F77-17 (+B1) - Body ground
    		Always
    		11 to 14 V
    Text in Illustration
    *a
    		Front view of wire harness connector
    (to Multi-media Module Receiver Assembly)


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY (Click here)