DTC B15DA: Rear Console Recognition Disconnected: 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.

B → See step   3 

A: Go to next step 

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

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

NEXT: Go to next step 

1. Clear the DTCs. Refer to DTC CHECK / CLEAR .
2. Check for DTCs and check if the same trouble occurs again.

   OK

   No DTCs are output.

NG → See step   4 

OK → END 

1. Disconnect the S15*1 or r2*2 rear power seat switch connector.
   Fig 1: Identifying s15 & r2 Rear Power Seat Switch - Battery And Body Ground Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   • *1: for 4-Passenger with Ottoman
   • *2: except 4-Passenger with Ottoman
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   for 4-Passenger with Ottoman 

   except 4-Passenger with Ottoman 

   Tester Connection	Condition	Specified Condition
   S15-5 (E) - Body ground	Always	Below 1 Ω

   Tester Connection	Condition	Specified Condition
   r2-3 (E) - Body ground	Always	Below 1 Ω

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

   Standard Voltage

   for 4-Passenger with Ottoman 

   except 4-Passenger with Ottoman 

   Tester Connection	Condition	Specified Condition
   S15-6 (B) - Body ground	Always	11 to 14 V

   Tester Connection	Condition	Specified Condition
   r2-11 (B) - Body ground	Always	11 to 14 V

   TEXT IN ILLUSTRATION
   
   

   *A	for 4-Passenger with Ottoman
   *B	except 4-Passenger with Ottoman
   *a	Front view of wire harness connector (to Rear Power Seat Switch)

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the S15*1 or r2*2 rear power seat switch connector.
   • *1: for 4-Passenger with Ottoman
   • *2: except 4-Passenger with Ottoman
2. Disconnect the R66 multi-media interface ECU.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   for 4-Passenger with Ottoman 

   except 4-Passenger with Ottoman 

   Tester Connection	Condition	Specified Condition
   S15-10 (MPX+) - R66-4 (TX2+)	Always	Below 1 Ω
   S15-11 (MPX-) - R66-5 (TX2-)	Always	Below 1 Ω
   S15-10 (MPX+) - Body ground	Always	10 kΩ or higher
   S15-11 (MPX-) - Body ground	Always	10 kΩ or higher

   Tester Connection	Condition	Specified Condition
   r2-4 (MPX+) - R66-4 (TX2+)	Always	Below 1 Ω
   r2-5 (MPX-) - R66-5 (TX2-)	Always	Below 1 Ω
   r2-4 (MPX+) - Body ground	Always	10 kΩ or higher
   r2-5 (MPX-) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Temporarily replace the rear power seat switch with a new or normally functioning one.
2. Clear the DTCs. Refer to DTC CHECK / CLEAR .
3. Check for DTCs and check if the same trouble occurs again.

   OK

   No DTCs are output.

NG → See step   7 

OK → END