Rear Door LH Entry Unlock Function does not Operate [09/2014 - ]: 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 [09/2014 - ] ).

   OK

   Door locks operate normally.

Result:  NG

NG 

GO TO POWER DOOR LOCK CONTROL SYSTEM 

(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - ] )

Result:  OK

OK 

See step  2

1. Connect the Techstream to the DLC3.
2. Turn the power 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.
   MAIN BODY
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   RL-Door Lock Pos SW	Rear door RH and LH unlock detection switch signal / ON or OFF	ON: Rear door RH or LH unlocked OFF: Rear door RH and LH locked	-

Result:  NG

NG 

GO TO LIGHTING SYSTEM (Proceed to Door Unlock Detection Switch Circuit) 

(Refer to Door Unlock Detection Switch Circuit [09/2014 - ] )

Result:  OK

OK 

See step  3

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Smart Access / Data List.
5. Turn the Techstream on.
   SMART ACCESS
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Dr-Door Touch Sensor	Rear door LH touch sensor (unlock sensor) / ON or OFF	ON: Rear door LH touch sensor (unlock sensor) touched OFF: Rear door LH 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 rear door outside handle assembly LH (for rear door LH).

Result:  OK

OK 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 

(Refer to REMOVAL [09/2014 - ] )

Result:  NG

NG 

See step  4

1. Disconnect the R11 rear door outside handle assembly LH (for rear door LH) connector.
2. Disconnect the N94 and N98 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
   R11-4 (SENS) - N98-12 (SEN3)	Always	Below 1 Ω
   N94-1 (E) - Body ground	Always	Below 1 Ω
   R11-4 (SENS) or N98-12 (SEN3) - Body ground	Always	10 kΩ or higher

Result:  NG

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result:  OK

OK 

See step  5

1. Connect the R11 rear door outside handle assembly LH (for rear door LH) connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   TEXT IN ILLUSTRATION
   
   

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

2. Connect the N94 and N98 certification ECU (smart key ECU assembly) connectors.
3. Using an oscilloscope, check the waveform.

   OK

   Tester Connection	Switch Condition	Tool Setting	Specified Condition
   N98-12 (SEN3) - N94-1 (E)	Procedure: Power switch off Electrical key transmitter sub-assembly brought outside vehicle All doors locked Electrical key transmitter sub-assembly not sufficiently close to vehicle Rear door LH unlock sensor not touched → touched	2 V/DIV., 500 ms/DIV.	Pulse generation (See waveform)

Result:  OK

OK 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 

(Refer to REMOVAL [09/2014 - ] )

Result:  NG

NG 

REPLACE REAR DOOR OUTSIDE HANDLE ASSEMBLY LH (FOR REAR DOOR LH) 

(Refer to DISASSEMBLY [09/2014 - ] )