Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - NAVIGATION / MULTI INFO DISPLAY

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING)

REMOVE OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING)

CLEAR DTC

CHECK DTC

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

CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - STEREO COMPONENT AMPLIFIER ASSEMBLY)

CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - MULTI-MEDIA MODULE RECEIVER ASSEMBLY)

REPLACE TELEVISION DISPLAY ASSEMBLY

CLEAR DTC

CHECK DTC

DTC B15D5 Rear Seat Entertainment System Disconnected

DESCRIPTION

The multi-media module receiver assembly and television display assembly are connected by the MOST communication line.


When a MOST communication error occurs between the multi-media module receiver assembly and television display assembly, these DTCs will be stored.

DTC CodeDTC Detection ConditionTrouble Area
B15D5 A device that is listed in the MOST network connected device record of the master unit is missing.
Television display assembly power source circuit
MOST circuit between stereo component amplifier assembly and television display assembly
MOST circuit between television display assembly and multi-media module receiver assembly
Television display assembly
Multi-media module receiver assembly
  • HINT:
  • For the MOST network, the multi-media module receiver assembly is the master unit.

WIRING DIAGRAM

Dtc B15D5 Rear Seat Entertainment System Disconnected. NAVIGATION / MULTI INFO DISPLAY. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

INSPECTION PROCEDURE

  • NOTICE:
  • Inspect the fuses for circuits related to this system before performing the following inspection procedure.
1.CHECK OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING)

Check for optional components.


Check that optional components (including associated wiring) which generate radio waves are not installed.

Result
ResultProceed to
Optional components (including associated wiring) are installed.A
Optional components (including associated wiring) are not installed.B
  • HINT:
Electrical noise from radio waves generated by optional components or the wiring for those components may affect MOST communication.
This DTC may be stored when a MOST communication error occurs due to electrical noise.
B
Go to step 3
A
2.REMOVE OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING)

Remove optional components (including associated wiring).

  • NOTICE:
  • Do not remove optional components or associated wiring without the permission of the customer.
NEXT
3.CLEAR DTC

Clear the DTCs ().

NEXT
4.CHECK DTC

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

  • OK:
  • No DTCs are output.
NG
Go to step 5
OK
END (COMMUNICATION MALFUNCTION DUE TO NOISE)
5.CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - BATTERY AND BODY GROUND)
Dtc B15D5 Rear Seat Entertainment System Disconnected. NAVIGATION / MULTI INFO DISPLAY. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

Disconnect the television display assembly connector.

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

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    L53-3 (GND) - Body groundAlwaysBelow 1 Ω
    L53-4 (GND2) - Body groundAlwaysBelow 1 Ω

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

  • Standard Voltage:
  • Tester ConnectionConditionSpecified Condition
    L53-11 (+B2) - L53-3 (GND)Always11 to 14 V
    L53-1 (+B) - L53-3 (GND)Always11 to 14 V
Text in Illustration
*aFront view of wire harness connector
(to Television Display Assembly)
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
6.CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - STEREO COMPONENT AMPLIFIER ASSEMBLY)

Disconnect the L56 television display assembly connector.

Disconnect the F85 stereo component amplifier assembly connector.

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

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    L56-2 (MI+) - F85-5 (MO+)AlwaysBelow 1 Ω
    L56-3 (MI-) - F85-6 (MO-)AlwaysBelow 1 Ω
    L56-4 (SLDI) - F85-7 (SLDO)AlwaysBelow 1 Ω
    L56-2 (MI+) - Body groundAlways10 kΩ or higher
    L56-3 (MI-) - Body groundAlways10 kΩ or higher
    L56-4 (SLDI) - Body groundAlways10 kΩ or higher
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
7.CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - MULTI-MEDIA MODULE RECEIVER ASSEMBLY)

Disconnect the L56 television display assembly connector.

Disconnect the F84 multi-media module receiver assembly connector.

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

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    L56-5 (MO+) - F84-2 (MI+)AlwaysBelow 1 Ω
    L56-6 (MO-) - F84-3 (MI-)AlwaysBelow 1 Ω
    L56-7 (SLDO) - F84-4 (SLDI)AlwaysBelow 1 Ω
    L56-5 (MO+) - Body groundAlways10 kΩ or higher
    L56-6 (MO-) - Body groundAlways10 kΩ or higher
    L56-7 (SLDO) - Body groundAlways10 kΩ or higher
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
8.REPLACE TELEVISION DISPLAY ASSEMBLY

Replace the television display assembly ().

NEXT
9.CLEAR DTC

Clear the DTCs ().

NEXT
10.CHECK DTC

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

  • OK:
  • No DTCs are output.
NG
REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY ()
OK
END (TELEVISION DISPLAY ASSEMBLY IS DEFECTIVE)
NAVIGATION / MULTI INFO DISPLAY
Land Cruiser URJ200 URJ202 GRJ200 VDJ200
NAVIGATION SYSTEM