Front Passenger Side Door Entry Unlock Function does not Operate [01/2017 - ]: Procedure

1. When the door control switch on the multiple network master switch assembly is operated, check that the doors unlock and lock according to the switch operation.

   Refer to OPERATION CHECK [01/2017 - 05/2023] , or refer to OPERATION CHECK [05/2023 - ]

   OK

   Door locks operate normally.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO POWER DOOR LOCK CONTROL SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [01/2017 - ] 

Result: 

OK 

See step  2

1. Turn the power switch off.
2. Open and close the front passenger door.
3. With the electrical key transmitter sub-assembly outside of the vehicle, press the lock switch of the electrical key transmitter sub-assembly to lock all of the doors.
4. Hold the electrical key transmitter sub-assembly at the same height as the door outside handle assembly and approximately 0.7 to 1 m (2.30 to 3.28 ft.) from the front passenger door.
5. Read the Data List according to the display on the Techstream.
6. Press the depression on the door outside handle sub-assembly (for front passenger door).

   HINT: 

   When checking the operation of the unlock request detection switch again, make sure to perform the procedure from step (a).

   Body Electrical > Front Right Door > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Smart Unlock Switch	Front door RH unlock request detection switch signal	ON or OFF	ON: Depression on door outside handle sub-assembly RH pressed OFF: Depression on door outside handle sub-assembly RH not pressed	Use this Data List item to help determine if there is an unlock switch malfunction when the entry unlock function does not operate.

   Body Electrical > Front Right Door > Data List 

   Tester Display
   Smart Unlock Switch

   OK

   The Techstream display changes correctly in response to the operation of the door outside handle sub-assembly (for front passenger door).

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Depression

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [01/2017 - 05/2023]  , or refer to  REMOVAL [05/2023 - ] 

Result: 

NG 

See step  3

1. Disconnect the R8 front multiplex network door ECU (for front passenger door) connector.
2. Disconnect the V2 door outside handle sub-assembly (for front passenger door) connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   R8-14 (USW) - V2-2 (USW)	Always	Below 1 Ω
   R8-10 (PS1G) - V2-5 USWG)	Always	Below 1 Ω
   R8-14 (USW) or V2-2 (USW) - Other terminals and body ground	Always	10 kΩ or higher
   R8-10 (PS1G) or V2-5 USWG) - Other terminals and body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  4

1. Remove the door outside handle sub-assembly (for front passenger door).

   Refer to DISASSEMBLY [01/2017 - 06/2019] , or refer to DISASSEMBLY [06/2019 - 04/2020] , or refer to DISASSEMBLY [04/2020 - 05/2023] , or refer to DISASSEMBLY [05/2023 - ]

2. Inspect the door outside handle sub-assembly (for front passenger door).

   Refer to INSPECTION [01/2017 - ]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE FRONT MULTIPLEX NETWORK DOOR ECU (FOR FRONT PASSENGER DOOR). Refer to  DISASSEMBLY [01/2017 - 06/2019]  , or refer to  DISASSEMBLY [06/2019 - 04/2020]  , or refer to  DISASSEMBLY [04/2020 - 05/2023]  , or refer to  DISASSEMBLY [05/2023 - ] 

Result: 

NG 

REPLACE DOOR OUTSIDE HANDLE SUB-ASSEMBLY (FOR FRONT PASSENGER DOOR). Refer to  DISASSEMBLY [01/2017 - 06/2019]  , or refer to  DISASSEMBLY [06/2019 - 04/2020]  , or refer to  DISASSEMBLY [04/2020 - 05/2023]  , or refer to  DISASSEMBLY [05/2023 - ]