Rear Door LH Entry Lock Function does not Operate [08/2016 - ]: Procedure

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

   Refer to OPERATION CHECK [12/2012 - ]

   Result	Proceed to
   	Door locks operate normally
   	Door locks do not operate

Result: 

Door locks do not operate 

GO TO POWER DOOR LOCK CONTROL SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2012 - ] 

Result: 

Door locks operate normally 

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 / 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
   Dr-Door Trigger Switch	Rear door LH touch sensor (lock sensor)	ON or OFF	ON: Rear door LH touch sensor (lock sensor) touched OFF: Rear door LH touch sensor (lock sensor) not touched	Displays whether the lock 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 a lock sensor malfunction when the entry lock function does not operate.

   Body Electrical > Smart Key > Data List 

   Tester Display
   Dr-Door Trigger Switch

   OK

   The Techstream display changes correctly in response to the operation of the rear door outside handle assembly LH.

   Results	Proceed to
   	OK
   	NG

Result: 

OK 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [10/2015 - ] 

Result: 

NG 

See step  3

1. Disconnect the L5 rear door outside handle assembly LH connector.
2. Disconnect the G82 and G83 certification ECU (smart key ECU assembly) connectors.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   L5-1 (TRG+) - G83-14 (TSW3)	Always	Below 1 Ω
   G82-11 (E) - Body ground	Always	Below 1 Ω
   L5-1 (TRG+) or G83-14 (TSW3) - Body ground	Always	10 kΩ or higher

   Results	Proceed to
   	OK
   	NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  4

1. Connect the L5 rear door outside handle assembly LH connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component with harness connected (Certification ECU [Smart Key ECU Assembly])	*b	Waveform
   *c	In actuality, sampling is being performed	-	-

2. Connect the G82 and G83 certification ECU (smart key ECU assembly) connectors.
3. Using an oscilloscope, check the waveform.

   OK

   Tester Connection	Switch Condition	Tool Setting	Specified Condition
   G83-14 (TSW3) - G82-11 (E)	Procedure:  Engine switch off Electrical key transmitter sub-assembly brought outside vehicle All doors closed Driver door lock sensor not touched → touched	2 V/DIV., 500 ms/DIV.	Pulse generation (See waveform)

   Results	Proceed to
   	OK
   	NG

Result: 

OK 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [10/2015 - ] 

Result: 

NG 

REPLACE REAR DOOR OUTSIDE HANDLE ASSEMBLY LH. Refer to  DISASSEMBLY [08/2016 - ]