Driver Side Door Entry Lock 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   9 

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 door lock position switch signal/LOCK or UNLOCK	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 (Proceed to "Driver Door LOCK/UNLOCK Functions do not Operate")

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 Trigger SW	Driver side door lock switch / ON or OFF	ON: Entry lock switch is pressed OFF: Entry lock switch is not pressed	-

   OK

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

NG → See step   4 

OK → See step   11 

1. Remove the front door outside handle. Refer to REMOVAL .
   Fig 1: Identifying Front Door Outside Handle Switch And Electrical Key Oscillator Connector Terminal Identification

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the door electrical key oscillator connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   z13-1 (TRG-) - z14-9 (TRG-)	Always	Below 1 Ω
   z13-1 (TRG-) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the certification ECU (smart key ECU assembly) connector.
   Fig 2: Identifying Certification ECU And Entry Lock Switch Connectors Terminal Identification

   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
   D40-3 (TSW1) - z13-3 (TRG+)	Always	Below 1 Ω
   D40-3 (TSW1) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Measure the resistance according to the value(s) in the table below.
   Fig 3: Identifying Entry Lock Switch (Driver Side) Connector Terminal Identification

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard resistance

   Tester Connection	Condition	Specified Condition
   z13-1 (TRG-) - z13-3 (TRG+)	Lock switch not pushed	10 kΩ or higher
   z13-1 (TRG-) - z13-3 (TRG+)	Lock switch pushed	Below 1 Ω

NG → See step   10 

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   11 

OK → END (DOOR ELECTRICAL OSCILLATOR IS DEFECTIVE)