DTC B2250: Back Door Closer Operation Malfunction [10/2015 - ]: Procedure

1. Clear the DTCs (Refer to DTC CHECK / CLEAR [09/2014 - ] ).

Result: 

NEXT 

See step  2

1. Check for DTCs (Refer to DTC CHECK / CLEAR [09/2014 - ] ).
   RESULT
   
   

   Result	Proceed to
   DTC B2250 is not output	A
   DTC B2250 is output (w/ Power Trunk Lid System)	B
   DTC B2250 is output (w/o Power Trunk Lid System)	C

Result: 

A 

USE SIMULATION METHOD TO CHECK 

(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] )

Result: 

C 

See step  6

Result: 

B 

See step  3

1. Disconnect the U33 luggage closer motor connector.
2. Disconnect the a9 luggage compartment door lock assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   U33-16 (CSG) - a9- 4 (CPSE)	Always	Below 1 Ω
   U33-17 (CS2) - a9- 9 (CPS2)	Always	Below 1 Ω
   U33-18 (CS1) - a9- 2 (CSP1)	Always	Below 1 Ω
   U33-19 (CSV) - a9- 3 (CPS+)	Always	Below 1 Ω
   U33-16 (CSG) - Body ground	Always	10 kΩ or higher
   U33-17 (CS2) - Body ground	Always	10 kΩ or higher
   U33-18 (CS1) - Body ground	Always	10 kΩ or higher
   U33-19 (CSV) - Body ground	Always	10 kΩ or higher

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  4

1. Temporarily replace the luggage compartment door lock assembly with a new or normally functioning one (Refer to REMOVAL [10/2015 - ] ).

Result: 

NEXT 

See step  5

1. Clear the DTCs (Refer to DTC CHECK / CLEAR [09/2014 - ] ).
2. Recheck for DTCs (Refer to DTC CHECK / CLEAR [09/2014 - ] ).
   RESULT
   
   

   Result	Proceed to
   DTC is not output	A
   DTC B2250 is output	B

Result: 

A 

END (LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY WAS DEFECTIVE) 

Result: 

B 

REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY 

(Refer to REMOVAL [10/2015 - ] )

1. Disconnect the U63 multiplex network door ECU connector.
2. Disconnect the a9 luggage compartment door lock assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   U63-9 (CSG) - a9- 4 (CPSE)	Always	Below 1 Ω
   U63-17 (CS2) - a9- 9 (CPS2)	Always	Below 1 Ω
   U63-5 (CS1) - a9- 2 (CSP1)	Always	Below 1 Ω
   U63-4 (CSV) - a9- 3 (CPS+)	Always	Below 1 Ω
   U63-9 (CSG) - Body ground	Always	10 kΩ or higher
   U63-17 (CS2) - Body ground	Always	10 kΩ or higher
   U63-5 (CS1) - Body ground	Always	10 kΩ or higher
   U63-4 (CSV) - Body ground	Always	10 kΩ or higher

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  7

1. Temporarily replace the luggage compartment door lock assembly with a new or normally functioning one (Refer to REMOVAL [10/2015 - ] ).

Result: 

NEXT 

See step  8

1. Clear the DTCs (Refer to DTC CHECK / CLEAR [09/2014 - ] ).
2. Recheck for DTCs (Refer to DTC CHECK / CLEAR [09/2014 - ] ).
   RESULT
   
   

   Result	Proceed to
   DTC is not output	A
   DTC B2250 is output	B

Result: 

A 

END (LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY WAS DEFECTIVE) 

Result: 

B 

REPLACE MULTIPLEX NETWORK DOOR ECU 

(Refer to REMOVAL [10/2015 - ] )