Power Back Door does not Operate Using Cabin Switch [11/2018 - 10/2023]: Procedure

1. Check that power back door function on the multi-information display in the combination meter assembly is set to ON.

   Refer to CUSTOMIZE PARAMETERS [11/2018 - 10/2023]

   Result

   Result	Proceed to
   Power back door function on the multi-information display in the combination meter assembly is set to ON (power back door system operation is permitted)	A
   Power back door function on the multi-information display in the combination meter assembly is set to OFF (power back door system operation is prohibited)	B

Result: 

B 

SET POWER BACK DOOR FUNCTION TO ON (PERMIT POWER BACK DOOR SYSTEM OPERATION) 

Result: 

A 

See step  2

1. Check power back door system condition.

   Result

   Result	Proceed to
   The malfunction symptom reproduces	A
   The malfunction symptom does not reproduce	B

Result: 

B 

GO TO POWER BACK DOOR CANNOT BE OPERATED FREQUENTLY. Refer to  Power Back Door cannot be Operated Frequently [11/2018 - 10/2023]  

Result: 

A 

See step  3

1. Read the Data List according to the display on the Techstream.

   Refer to DATA LIST / ACTIVE TEST [11/2018 - 10/2023]

   Body Electrical > Main Body > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Back Door Open SW	Power back door control switch signal	ON or OFF	ON: Power back door control switch on OFF: Power back door control switch off	-

   Body Electrical > Main Body > Data List 

   Tester Display
   Back Door Open SW

   OK

   The power back door control switch functions as specified in the normal condition column.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE MULTIPLEX NETWORK DOOR ECU. Refer to  REMOVAL [11/2018 - 10/2023] 

Result: 

NG 

See step  4

1. Remove the power back door control switch assembly.

   Refer to REMOVAL [11/2018 - ]

2. Inspect the power back door control switch assembly.

   Refer to INSPECTION [11/2018 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE POWER BACK DOOR CONTROL SWITCH. Refer to  REMOVAL [11/2018 - ] 

Result: 

OK 

See step  5

1. Disconnect the G11 power back door control switch connector.
2. Disconnect the G45 main body ECU (multiplex network body ECU) connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   G11-5 (MSW) - G45-4 (PBDS)	Always	Below 1 Ω
   G11-2 (MSE) - Body ground	Always	Below 1 Ω
   G11-5 (MSW) or G45-4 (PBDS) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [11/2018 - 02/2019]  , or refer to  REMOVAL [02/2019 - 10/2019]  , or refer to  REMOVAL [10/2019 - 08/2020]  , or refer to  REMOVAL [08/2020 - 12/2021]  , or refer to  REMOVAL [12/2021 - 10/2022]  , or refer to  REMOVAL [10/2022 - 10/2023] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR