Driver Side Door Entry Unlock Function does not Operate [08/2019 - ]: Procedure

1. When the door control switch on the power window regulator master switch is operated, check that the doors unlock and lock according to the switch operation.

   Refer to OPERATION CHECK [08/2019 - 08/2022] , or refer to OPERATION CHECK [08/2022 - ]

   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 [08/2019 - ] 

Result: 

OK 

See step  2

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Main Body / Data List.
5. Read the Data List according to the display on the Techstream.
   BODY ELECTRICAL > MAIN BODY > DATA LIST
   
   

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   FL Door Lock Pos	Front door LH unlock detection switch signal	UNLOCK or LOCK	UNLOCK: Front door LH unlocked LOCK: Front door LH locked	-

   OK

   The Techstream display changes correctly in response to the lock/unlock operation of the front LH door.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO LIGHTING SYSTEM (Proceed to Door Unlock Detection Switch Circuit). Refer to  Door Unlock Detection Switch Circuit [08/2019 - 08/2022]  , or refer to  Door Unlock Detection Switch Circuit [08/2022 - ] 

Result: 

OK 

See step  3

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG)
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Smart Key / Data List.
5. Read the Data List according to the display on the Techstream.
   BODY ELECTRICAL > SMART KEY > DATA LIST
   
   

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   D-Door Touch Sensor	Driver door touch sensor (unlock sensor)	ON or OFF	ON: Driver door touch sensor (unlock sensor) touched OFF: Driver door touch sensor (unlock sensor) not touched	Displays whether the unlock sensor is on or off (even if the sensor is touched and contact is maintained, "ON" is displayed only momentarily). Use this Data List item to help determine if there is an unlock sensor malfunction when the entry unlock function does not operate.

   OK

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

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [08/2019 - ] 

Result: 

NG 

See step  4

1. Disconnect the F113 certification ECU (smart key ECU assembly) connector.
2. Disconnect the M2 front door outside handle assembly LH (for driver door) connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   F113-4 (CLG1) - M2-6 (ANT1)	Always	Below 1 Ω
   F113-3 (CG1B) - M2-4 (ANT2)	Always	Below 1 Ω
   F113-4 (CLG1) or M2-6 (ANT1) - Body ground	Always	10 kΩ or higher
   F113-3 (CG1B) or M2-4 (ANT2) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  5

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Using an oscilloscope, check the waveform.

   OK

   Tester Connection	Condition	Tool Setting	Specified Condition
   F113-4 (CLG1) - F113-11 (E)	Procedure: Engine switch off Electrical key transmitter sub-assembly brought outside vehicle All doors locked Electrical key transmitter sub-assembly not near the vehicle Driver door unlock sensor touched	5 V/DIV., 40 ms/DIV.	Pulse generation (See waveform 1)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [08/2019 - ] 

Result: 

NG 

REPLACE FRONT DOOR OUTSIDE HANDLE ASSEMBLY LH (FOR DRIVER DOOR). Refer to  DISASSEMBLY [08/2015 - ]