Back Door Closer does not Operate [11/2023 - ]: Procedure

1. Check for DTCs.

   Body Electrical > Back Door > Trouble Codes 

   Result

   Result	Proceed to
   DTC is not output	A
   DTC B2250-01 is output	B
   DTC B2251-01 is output	C

Result: 

B 

GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to  DTC B2250-01: Back Door Closer General Electrical Failure [11/2023 - ]  

Result: 

C 

GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to  DTC B2251-01: Back Door Closer Switch General Electrical Failure [11/2023 - ]  

Result: 

A 

See step  2

1. Check if the back door can be fully closed by hand.

   Result

   Result	Proceed to
   The back door can be closed normally	A
   The back door cannot be closed normally	B

Result: 

B 

IMPROPER FIT OF BACK DOOR, OR A FOREIGN OBJECT IS STUCK IN BACK DOOR 

Result: 

A 

See step  3

1. Disconnect the W30, W28 and W27 multiplex network door ECU connectors.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   W28-4 (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
   W30-7 (ECUB) - Body ground	Ignition switch off	11 to 14 V*1
   		10.5 to 16 V*2
   W27-5 (B) - Body ground	Ignition switch off	11 to 14 V*1
   		10.5 to 16 V*2
   W30-9 (IG) - Body ground	Ignition switch ON	11 to 14 V
   	Ignition switch off	Below 1 V

   1. *1: w/o Stop and Start System
   2. *2: w/ Stop and Start System

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  4

Refer to INSPECTION [12/2019 - ]

Result

Result: 

NG 

REPLACE BACK DOOR LOCK WITH COURTESY LIGHT SWITCH ASSEMBLY. Refer to  REMOVAL [12/2019 - ] 

Result: 

OK 

See step  5

1. Disconnect the W13 and W14 back door lock with courtesy light switch assembly connectors.
2. Disconnect the W28 and W30 multiplex network door ECU connectors.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   W13-2 (M+) - W28-2 (DC+)	Always	Below 1 Ω
   W13-1 (M-) - W28-6 (DC-)	Always	Below 1 Ω
   W14-4 (CTY) - W30-3 (FUL)	Always	Below 1 Ω
   W14-2 (FSW) - W30-13 (PAWL)	Always	Below 1 Ω
   W14-3 (CLS) - W30-5 (HAF)	Always	Below 1 Ω
   W14-6 (OPN) - W30-15 (POS)	Always	Below 1 Ω
   W14-1 (E) - Body ground	Always	Below 1 Ω
   W13-2 (M+) or W28-2 (DC+) - Body ground	Always	10 kΩ or higher
   W13-1 (M-) or W28-6 (DC-) - Body ground	Always	10 kΩ or higher
   W14-2 (FSW) or W30-13 (PAWL) - Body ground	Always	10 kΩ or higher
   W14-4 (CTY) or W30-3 (FUL) - Body ground	Always	10 kΩ or higher
   W14-3 (CLS) or W30-5 (HAF) - Body ground	Always	10 kΩ or higher
   W14-6 (OPN) or W30-15 (POS) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE MULTIPLEX NETWORK DOOR ECU. Refer to  REMOVAL [11/2023 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR