DTC B15D5: Rear Seat Entertainment System Disconnected [08/2019 - ]: Procedure

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

   Result

   Result	Proceed 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 AVC-LAN communication.
   • This DTC may be stored when an AVC-LAN communication error occurs due to electrical noise.

Result: 

B 

See step  4

Result: 

A 

See step  2

1. Remove optional components (including associated wiring).
   NOTE:

   Do not remove optional components or associated wiring without the permission of the customer.

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  3

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

1. Check for DTCs.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

   OK

   No DTCs are output.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END 

Result: 

NG 

See step  5

1. Disconnect the television display assembly connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of wire harness connector (to Television Display Assembly)

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   U13-17 (GND) - Body ground	Always	Below 1 Ω

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

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   U13-1 (+B) - U13-17 (GND)	Always	11 to 14 V
   U13-2 (ACC) - U13-17 (GND)	Engine switch on (ACC)	11 to 14 V

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  6

1. Disconnect the H202 radio and display receiver assembly connector.
2. Disconnect the U13 television display assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   U13-4 (TX1+) - H202-19 (TX+)	Always	Below 1 Ω
   U13-5 (TX1-) - H202-20 (TX-)	Always	Below 1 Ω
   U13-4 (TX1+) - Body ground	Always	10 kΩ or higher
   U13-5 (TX1-) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  7

1. Replace the television display assembly with a new or known good one.

   Refer to REMOVAL [08/2019 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  8

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  9

1. Check for DTCs.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

   OK

   No DTCs are output.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END (TELEVISION DISPLAY ASSEMBLY WAS DEFECTIVE) 

Result: 

NG 

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY. Refer to  REMOVAL [08/2019 - ]