Driver Side Door Entry Unlock Function does not Operate: Procedure

1. When the door control switch on the master switch assembly is operated, check that the locked doors unlock. Refer to OPERATION CHECK .

   OK

   Locked doors unlock.

NG → See step   10 

OK: Go to next step 

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 / Master Switch / Data List.
5. Read the Data List according to the display on the Techstream.
   MASTER SWITCH (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY)
   
   

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

   OK

   On the Techstream screen, ON or OFF will be displayed accordingly.

   Result

   Result	Proceed to
   OK	A
   NG	B (Refer to "Driver Door LOCK/UNLOCK Functions do not Operate" in the problem symptoms table)

B → See step   12 

A: Go to next step 

1. Enter the following menus: Body Electrical / Smart Access / Data List.
2. Read the Data List according to the display on the Techstream.
   SMART ACCESS (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   D-Door Touch Sensor	Status of touch sensor front LH / ON or OFF	ON: Touch sensor is touched OFF: Touch sensor is not touched	-

   OK

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

NG → See step   4 

OK → See step   11 

1. Disconnect the certification ECU (smart key ECU assembly) connector.
2. Disconnect the door electrical key oscillator (driver side) connector.
   Fig 1: Identifying P33 And o2 Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   P33-5 (SEL1) - o2-4 (SEL)	Always	Below 1 Ω
   P33-22 (SEN1) - o2-6 (SENS)	Always	Below 1 Ω
   P33-5 (SEL1) - Body ground	Always	10 kΩ or higher
   P33-22 (SEN1) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the front door outside handle assembly (driver side) connector.
   Fig 2: Identifying o1 And o2 Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   o1-6 (SGT) - o2-2 (SGT)	Always	Below 1 Ω
   o1-6 (SGT) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Replace the door electrical key oscillator (driver side). Refer to REMOVAL .

NEXT: Go to next step 

1. Check that the entry functions operate normally. Refer to OPERATION CHECK .

   OK

   Entry functions operate normally.

NG → See step   8 

OK → END (DOOR ELECTRICAL KEY OSCILLATOR IS DEFECTIVE) 

1. Replace the front door outside handle assembly (driver side). Refer to REMOVAL .

NEXT: Go to next step 

1. Check that the entry functions operate normally. Refer to OPERATION CHECK .

   OK

   Entry functions operate normally.

NG → See step   11 

OK → END (FRONT DOOR OUTSIDE HANDLE IS DEFECTIVE)