Dtc B15D5 Rear Seat Entertainment System Disconnected


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK FOR DTC

CHECK CONNECTOR CONNECTION CONDITION

CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - BATTERY AND BODY GROUND)

INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY

CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEVISION DISPLAY ASSEMBLY)

CHECK TELEVISION DISPLAY ASSEMBLY

DTC B15D5 Rear Seat Entertainment System Disconnected


DESCRIPTION

The radio and display receiver assembly and television display assembly are connected by the AVC-LAN communication line.
When an AVC-LAN communication error occurs between the radio and display receiver assembly and television display assembly, these DTCs will be stored.

DTC Code
DTC Detection Condition
Trouble Area
B15D5
When either condition below is met:
  1. The television display assembly is/was not connected while the ignition switch is/was turned to ON or ACC.
  2. Communication between master unit and the television display assembly is not possible when the engine is started.
  1. AVC-LAN communication line
  2. Television display assembly
  3. Radio and display receiver assembly
  4. Harness or connector
HINT:
  1. Even if no fault is present, this DTC may be stored depending on the battery condition or engine start voltage.
  2. The radio and display receiver assembly is the master unit.

WIRING DIAGRAM


Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Audio Video.Audio And Visual System (For Radio Receiver Type). Dtc B15D5 Rear Seat Entertainment System Disconnected


INSPECTION PROCEDURE

NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
HINT:
When replacing the radio and display receiver assembly, it is necessary to perform the vehicle contract setting for Connected Services (w/ Connected Services Function).
1.CHECK FOR DTC

  1. Clear the DTCs (LandCruiser RM0000014CZ0EQX.html).

  1. Check for DTCs (LandCruiser RM0000014CZ0EQX.html).

    OK:
    No DTCs are output.


NG
Go to step 2
OK

USE SIMULATION METHOD TO CHECK (LandCruiser RM000003YMJ00XX.html)

2.CHECK CONNECTOR CONNECTION CONDITION

  1. Check that the television display assembly and radio and display receiver assembly connectors are connected properly.

    OK:
    The connectors are connected properly.


NG
CONNECT CONNECTOR CORRECTLY
OK


3.CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - BATTERY AND BODY GROUND)


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Audio Video.Audio And Visual System (For Radio Receiver Type). Dtc B15D5 Rear Seat Entertainment System Disconnected

  1. Disconnect the television display assembly connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    W14-17 (GND) - Body ground
    		Always
    		Below 1 Ω

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

    Standard Voltage:
    Tester Connection
    		Condition
    		Specified Condition
    W14-1 (+B) - W14-17 (GND)
    		Always
    		11 to 14 V
    W14-2 (ACC) - W14-17 (GND)
    		Ignition switch off
    		Below 1 V
    W14-2 (ACC) - W14-17 (GND)
    		Ignition switch ACC
    		11 to 14 V
Text in Illustration
*a
Front view of wire harness connector
(to Television Display Assembly)


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


4.INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Audio Video.Audio And Visual System (For Radio Receiver Type). Dtc B15D5 Rear Seat Entertainment System Disconnected

  1. Remove the radio and display receiver assembly (LandCruiser RM000003AHY02NX.html).

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    9 (TX-) - 10 (TX+)
    		Always
    		60 to 80 Ω


NG
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY (LandCruiser RM000003AHY02NX.html)
OK


5.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEVISION DISPLAY ASSEMBLY)

  1. Disconnect the W14 television display assembly connector.

  1. Disconnect the H52 radio and display receiver assembly connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    W14-3 (TX1+) - H52-9 (TX+)
    		Always
    		Below 1 Ω
    W14-4 (TX1-) -H52-10 (TX-)
    		Always
    		Below 1 Ω
    W14-3 (TX1+) - Body ground
    		Always
    		10 kΩ or higher
    W14-4 (TX1-) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


6.CHECK TELEVISION DISPLAY ASSEMBLY

  1. Replace the television display assembly with a known good one (LandCruiser RM000002BC8023X.html).

  1. Clear the DTCs (LandCruiser RM0000014CZ0EQX.html).

  1. Check for DTCs (LandCruiser RM0000014CZ0EQX.html).

    OK:
    No DTCs are output.


NG
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY (LandCruiser RM000003AHY02NX.html)
OK

END (TELEVISION DISPLAY ASSEMBLY IS DEFECTIVE)