Rear Door LH Entry Unlock Function does not Operate [09/2015 - ]: 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 [09/2015 - ] .

   OK

   Door locks operate normally.

Result: 

NG 

GO TO POWER DOOR LOCK CONTROL SYSTEM 

Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2015 - ] )

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.
   MAIN BODY
   
   

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

   OK

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

Result: 

NG 

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

Refer to Door Unlock Detection Switch Circuit [09/2015 - ] )

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 Access / Data List.
5. Read the Data List according to the display on the Techstream.
   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.

Result: 

OK 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 

Refer to REMOVAL [09/2015 - ] )

Result: 

NG 

See step  4

1. Disconnect the E150 and E151 certification ECU (smart key ECU assembly) connectors.
2. Disconnect the z62 rear door outside handle assembly LH connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   E150-8 (CLG3) - z62-6 (ANT1)	Always	Below 1 Ω
   E150-7 (CG3B) - z62-4 (ANT2)	Always	Below 1 Ω
   E150-8 (CLG3) or z62-6 (ANT1) - Body ground	Always	10 kΩ or higher
   E150-7 (CG3B) or z62-4 (ANT2) - Body ground	Always	10 kΩ or higher

4. Reconnect the z62 rear door outside handle assembly LH connector.
5. Reconnect the E150 and E151 certification ECU (smart key ECU assembly) connectors.

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	Switch Condition	Tool Setting	Specified Condition
   E150-8 (CLG3) - E151-11 (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 Rear door LH unlock sensor touched	5 V/DIV., 50 ms/DIV.	Pulse generation (See waveform 1)

Result: 

OK 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 

Refer to REMOVAL [09/2015 - ] )

Result: 

NG 

REPLACE REAR DOOR OUTSIDE HANDLE ASSEMBLY LH 

Refer to DISASSEMBLY [09/2015 - ] )