Driver Side Door Entry Unlock Function does not Operate: Procedure

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

   OK

   Door locks operate normally.

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 / Main Body / Data List.
5. Read the Data List according to the display on the Techstream.
   MAIN BODY (MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK))
   
   

   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: Driver side door is unlocked OFF: Driver side door is locked	-

   OK

   On the Techstream screen, the display changes between ON and OFF as shown in the chart above.

   Result

   Result	Proceed to
   OK	A
   NG	B (Refer to PROBLEM SYMPTOMS TABLE "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 Key / Data List.
2. Read the Data List according to the display on the Techstream.
   SMART KEY (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))
   
   

   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

   On the Techstream screen, the item 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 connector.
   Fig 1: Identifying Certification ECU (Smart Key ECU Assembly) And Door Electrical Key Oscillator 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
   E36-5 (SEL1) - T2-4 (SEL)	Always	Below 1 Ω
   E36-22 (SEN1) - T2-6 (SENS)	Always	Below 1 Ω
   E36-5 (SEL1) - Body ground	Always	10 kΩ or higher
   E36-22 (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 connector.
   Fig 2: Identifying Front Door Outside Handle And Door Electrical Key Oscillator 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
   T1-6 (SGT) - T2-2 (SGT)	Always	Below 1 Ω
   T1-6 (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. Refer to REMOVAL .

NEXT: Go to next step 

1. Check that the entry functions operate normally.

   OK

   Entry functions operate normally.

NG → See step   8 

OK → END (DOOR ELECTRICAL KEY OSCILLATOR IS DEFECTIVE) 

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

NEXT: Go to next step 

1. Check that the entry functions operate normally.

   OK

   Entry functions operate normally.

NG → See step   11 

OK → END (FRONT DOOR OUTSIDE HANDLE IS DEFECTIVE)