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 doors unlock and lock according to switch operation. Refer to OPERATION CHECK .

   OK

   Door locks operate normally.

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 / Master Switch / Data List.
5. Read the Data List according to the display on the Techstream.
   MASTER SWITCH (POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY)
   
   

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

   OK

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

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

   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 front door outside handle assembly (for driver side) connector.
2. Disconnect the door electrical key oscillator (for driver side) connector.
   Fig 1: M20, M21, o1 & o2 Connector Terminal Identification

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Measure the resistance according to the value(s) in the table below.
   STANDARD RESISTANCE - BEFORE MAY 2012 PRODUCTION
   
   

   Tester Connection	Condition	Specified Condition
   o1-1 (TRG-) - o2-9 (TRG-)	Always	Below 1 Ω
   o1-1 (TRG-) - Body ground	Always	10 kΩ or higher

   STANDARD RESISTANCE - FROM MAY 2012 PRODUCTION
   
   

   Tester Connection	Condition	Specified Condition
   M21-1 (TRG-) - M20-9 (TRG-)	Always	Below 1 Ω
   M21-1 (TRG-) - Body ground	Always	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *1	Front view of wire harness connector (to Front Door Outside Handle Assembly (for Driver Side))
   *2	Front view of wire harness connector (to Door Electrical Key Oscillator (for Driver Side))
   *3	Before May 2012 Production
   *4	From May 2012 Production

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the certification ECU (smart key ECU assembly) connector.
   Fig 2: M21, o1 & P33 Connector Terminal Identification

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.
   STANDARD RESISTANCE - BEFORE MAY 2012 PRODUCTION
   
   

   Tester Connection	Condition	Specified Condition
   P33-3 (TSW1) - o1-3 (TRG+)	Always	Below 1 Ω
   P33-3 (TSW1) - Body ground	Always	10 kΩ or higher

   STANDARD RESISTANCE - FROM MAY 2012 PRODUCTION
   
   

   Tester Connection	Condition	Specified Condition
   P33-3 (TSW1) - M21-3 (TRG+)	Always	Below 1 Ω
   P33-3 (TSW1) - Body ground	Always	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *1	Front view of wire harness connector (to Certification ECU (Smart Key ECU Assembly))
   *2	Front view of wire harness connector (to Front Door Outside Handle Assembly (for Driver Side))
   *3	Before May 2012 Production
   *4	From May 2012 Production

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 Front Door Outside Handle Assembly LH

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   STANDARD RESISTANCE
   
   

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

   TEXT IN ILLUSTRATION
   
   

   *1	Component without harness connected (Front Door Outside Handle Assembly (for Driver Side))

NG → See step   10 

OK: Go to next step 

1. Replace the door electrical key oscillator (for 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 (DOOR ELECTRICAL KEY OSCILLATOR WAS DEFECTIVE)