Driver Side Door Entry Lock Function does not Operate [09/2015 - ]: Procedure

1. When the master switch's door control switch is operated, check that the locked doors unlock (Refer to OPERATION CHECK [09/2015 - ] ).

   OK

   Locked doors unlock.

Result:  NG

NG 

GO TO POWER DOOR LOCK CONTROL SYSTEM 

(Refer to PROBLEM SYMPTOMS TABLE [09/2015 - ] )

Result:  OK

OK 

See step  2

1. Using the Techstream, read the Data List (Refer to DATA LIST / ACTIVE TEST [09/2015 - ] ).
   DRIVER DOOR
   
   

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

   OK

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

Result:  NG

NG 

GO TO POWER DOOR LOCK CONTROL SYSTEM (Proceed to Only Driver Door LOCK/UNLOCK Functions do not Operate) 

(Refer to PROBLEM SYMPTOMS TABLE [09/2015 - ] )

Result:  OK

OK 

See step  3

1. Using the Techstream, read the Data List (Refer to DATA LIST / ACTIVE TEST [09/2015 - ] ).
   DRIVER DOOR
   
   

   Tester Display	Measurement Item/Display	Normal Condition	Diagnostic Note
   Outside Handle Trigger SW	Driver side door outside handle lock switch / ON or OFF	ON: Driver side door outside handle lock switch is pushed OFF: Driver side door outside handle lock switch is not pushed	-

   OK

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

Result:  NG

NG 

See step  5

Result:  OK

OK 

See step  4

1. Replace the front door ECU LH with a new one or normally functioning one (Refer to COMPONENTS [09/2015 - ] ).
2. Check that the entry function operates normally (Refer to REMOVAL [09/2015 - ] ).

   OK

   Operates normally

Result:  OK

OK 

END (FRONT DOOR ECU LH IS DEFECTIVE) 

Result:  NG

NG 

REPLACE CERTIFICATION ECU 

(Refer to REMOVAL [09/2015 - ] )

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Remove the front door outside handle LH.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Switch Condition	Specified Condition
   N21-3 (TRG+) - N21-1 (TRG-)	ON	Below 1 Ω
   N21-3 (TRG+) - N21-1 (TRG-)	OFF	10 kΩ or higher

Result:  NG

NG 

REPLACE FRONT DOOR OUTSIDE HANDLE LH 

(Refer to COMPONENTS [09/2015 - ] )

Result:  OK

OK 

See step  6

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the N10 ECU connector.
2. Disconnect the N21 handle connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   N10-20 (TRG+) - N21-3 (TRG+)	Always	Below 1 Ω
   N21-3 (TRG+) - Body ground	Always	10 kΩ or higher

Result:  NG

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result:  OK

OK 

See step  7

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the N20 oscillator connector.
2. Disconnect the N21 handle connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   N20-9 (TRG-) - N21-1 (TRG-)	Always	Below 1 Ω
   N21-1 (TRG-) - Body ground	Always	10 kΩ or higher

Result:  NG

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result:  OK

OK 

See step  8

1. Replace the door electrical key oscillator with a new one or normally functioning one (Refer to COMPONENTS [09/2015 - ] ).
2. Check that the entry function operates normally (Refer to OPERATION CHECK [09/2015 - ] ).

   OK

   Operates normally

Result:  OK

OK 

END (DOOR ELECTRICAL OSCILLATOR IS DEFECTIVE) 

Result:  NG

NG 

See step  9

1. Replace the front door ECU LH with a new one or normally functioning one (Refer to COMPONENTS [09/2015 - ] ).
2. Check that the entry function operates normally (Refer to OPERATION CHECK [09/2015 - ] ).

   OK

   Operates normally

Result:  OK

OK 

END (FRONT DOOR ECU LH IS DEFECTIVE) 

Result:  NG

NG 

REPLACE CERTIFICATION ECU 

(Refer to REMOVAL [09/2015 - ] )