Driver Side Door Entry Unlock Function does not Operate: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG) and turn the Techstream ON.
3. By following the Techstream screen display, check whether any DTCs are output.

   OK

   No DTC output.

   RESULT
   
   

   Result	Proceed to
   OK	A
   NG (2AR-FE)	B
   NG (2GR-FE)	C

B → See step   12 

C → See step   17 

A: Go to next step 

1. Check that all the doors unlock when the door control switch (for manual operation) is turned to UNLOCK.

   OK

   All doors can be unlocked with door control switch.

NG → See step   13 

OK: Go to next step 

1. Check that the wireless door lock and unlock functions operate normally. Refer to OPERATION CHECK .

   OK

   Wireless door lock and unlock functions operate normally.

NG → See step   14 

OK: Go to next step 

1. Check the Data List to confirm the operation of the door courtesy light switch (driver side).
   MAIN BODY
   
   

   Tester Display	Measurement Item / Range	Normal Condition	Diagnostic Note
   D Door Courtesy SW	Driver side door courtesy light switch signal ON / OFF	ON: Driver side door is open OFF: Driver side door is closed	-

   OK

   On Techstream screen, item changes between ON and OFF according to above chart.

NG → See step   15 

OK: Go to next step 

1. Check the Data List for proper functioning of the door lock position switch (driver side).
   MAIN BODY
   
   

   Tester Display	Measurement Item / Range	Normal Condition	Diagnostic Note
   D-Door Lock Pos SW	Driver side door lock position switch signal / ON or OFF	ON: Door is unlocked OFF: Door is locked	-

   OK

   On Techstream screen, item changes between ON and OFF according to above chart.

NG → See step   13 

OK: Go to next step 

1. Select the Active Test, use the Techstream to generate a control command, and then check that the door electrical key oscillator operates.
   SMART KEY
   
   

   Tester Display	Test Part	Control Range	Diagnostic Note
   D-Seat Select	Driver side electrical key oscillator	ON or OFF	-

   OK

   ON (D-Seat Select is ON) appears on screen.

NG → See step   16 

OK: Go to next step 

1. With "D-Seat Select" ON, check the Data List to confirm the operation of the touch sensor (driver side).
   SMART KEY
   
   

   Tester Display	Measurement Item / Range	Normal Condition	Diagnostic Note
   D-Door Touch Sensor	Driver side door touch sensor / ON or OFF	ON: Sensor is touched OFF: Sensor is not touched	-

   OK

   When driver side door touch sensor is set to ON, ON (sensor is touched) appears on screen.

NG → See step   9 

OK: Go to next step 

1. Temporarily replace the ECU aggregation box (certification ECU) with a new or normally functioning one. Refer to REMOVAL .
2. Check that the entry unlock function operates normally. Refer to OPERATION CHECK .

   OK

   Entry unlock function operates normally.

NG → REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU) 

OK → END (CERTIFICATION ECU IS DEFECTIVE) 

Fig 1: Checking Door Electrical Key Oscillator (For Driver Side)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Measure the voltage of the oscillator.

   Standard voltage 

   Tester Connection	Condition	Specified Condition
   4 (SEL) - Body ground	During Active Test	Below 1 V
   6 (SENS) - Body ground	Touch sensor is touched during Active Test	Below 1 V
   	Touch sensor is not touched during Active Test	11 to 14 V

NG → See step   10 

OK → See step   16 

Fig 2: Checking Wire Harness (Door Electrical Key Oscillator - Door Electrical Key Antenna)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the H9 oscillator connector.
2. Disconnect the H8 antenna connector.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance 

   Tester Connection	Specified Condition
   H9-2 (SGT) - H8-6 (SGT)	Below 1 Ω
   H9-3 (ANT1) - H8-5 (ANT1)
   H9-8 (ANT2) - H8-2 (ANT2)
   H9-9 (TRG-) - H8-1 (TRG-)
   H9-2 (SGT) or H8-6 (SGT) - Body ground	10 kΩ or higher
   H9-3 (ANT1) or H8-5 (ANT1) - Body ground
   H9-8 (ANT2) or H8-2 (ANT2) - Body ground
   H9-9 (TRG-) or H8-1 (TRG-) - Body ground

NG → REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: Go to next step 

Fig 3: Checking Wire Harness (Certification ECU - Door Electrical Key Oscillator)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the E84 ECU connector.
2. Disconnect the H9 oscillator connector.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance 

   Tester Connection	Specified Condition
   E84-5 (SEL1) - H9-4 (SEL)	Below 1 Ω
   E84-22 (SEN1) - H9-6 (SENS)
   E84-33 (CLH8) - H9-10 (CLG)
   E84-34 (CH8B) - H9-5 (CLGB)
   E84-5 (SEL1) or H9-4 (SEL) - Body ground	10 kΩ or higher
   E84-22 (SEN1) or H9-6 (SENS) - Body ground
   E84-33 (CLH8) or H9-10 (CLG) - Body ground
   E84-34 (CH8B) or H9-5 (CLGB) - Body ground

NG → REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK → REPLACE DOOR ELECTRICAL KEY OSCILLATOR (for Driver Side)