Rear Door LH 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 - ] ).
   REAR LEFT DOOR
   
   

   Tester Display	Measurement Item/Display	Normal Condition	Diagnostic Note
   Lock Position SW	Rear door LH lock position switch signal / ON or OFF	ON: Rear door LH is unlocked OFF: Rear door LH 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 Rear Door LH 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 - ] ).
   REAR LEFT DOOR
   
   

   Tester Display	Measurement Item/Display	Normal Condition	Diagnostic Note
   Outside Handle Trigger SW	Rear LH side door outside handle lock switch / ON or OFF	ON: Rear side door outside handle lock switch LH is pushed OFF: Rear side door outside handle lock switch LH 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 rear 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 (REAR 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 rear 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
   O26-1 (TRG-) - O26-3 (TRG+)	ON	Below 1 Ω
   O26-1 (TRG-) - O26-3 (TRG+)	OFF	10 kΩ or higher

Result:  NG

NG 

REPLACE REAR DOOR OUTSIDE HANDLE LH 

(Refer to COMPONENTS [09/2015 - ] )

Result:  OK

OK 

See step  6

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the O14 ECU connector.
2. Disconnect the O26 handle connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   O14-20 (TRG+) - O26-3 (TRG+)	Always	Below 1 Ω
   O26-3 (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 O25 oscillator connector.
2. Disconnect the O26 handle connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   O25-9 (TRG-) - O26-1 (TRG-)	Always	Below 1 Ω
   O26-1 (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 KEY OSCILLATOR IS DEFECTIVE) 

Result:  NG

NG 

See step  9

1. Replace the rear 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 (REAR DOOR ECU LH IS DEFECTIVE) 

Result:  NG

NG 

REPLACE CERTIFICATION ECU 

(Refer to REMOVAL [09/2015 - ] )