Rear Door LH Entry Lock Function does not Operate [10/2014 - ]: Procedure

1. When the multiplex network master switch assembly's door control switch is operated, check that the locked doors unlock.
   RESULT
   
   

   Result	Proceed to
   Door locks operate normally	OK
   Door locks do not operate normally	NG

NG → See step   10 

OK: Go to next step 

1. Using the Techstream, read the Data List.
   REAR LEFT DOOR (REAR DOOR ECU LH)
   
   

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

   OK

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

NG → See step   13 

OK: Go to next step 

1. Using the Techstream, read the Data List.
   REAR LEFT DOOR (REAR DOOR ECU LH)
   
   

   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 LH side door outside handle lock switch is pushed OFF: Rear LH side door outside handle lock switch is not pushed	-

   OK

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

NG → See step   5 

OK: Go to next step 

1. Replace the rear door ECU LH with a new one or normally functioning one. Refer to COMPONENTS [10/2014 - ] .
2. Check that the entry function operates normally.

   OK

   Operates normally

NG → See step   12 

OK → END (REAR DOOR ECU LH IS DEFECTIVE) 

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. 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

NG → See step   11 

OK: Go to next step 

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard resistance

   Tester Connection	Condition	Specified Condition
   O26-3 (TRG+) - O14-20 (TRG+)	Always	Below 1 Ω
   O26-3 (TRG+) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the O26 handle connector.
2. Disconnect the O25 oscillator connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   O26-1 (TRG-) - O25-9 (TRG-)	Always	Below 1 Ω
   O26-1 (TRG-) - 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 with a new one or normally functioning one. Refer to COMPONENTS [10/2014 - ] .
2. Check that the entry function operates normally.

   OK

   Operates normally

NG → See step   9 

OK → END (DOOR ELECTRICAL KEY OSCILLATOR IS DEFECTIVE) 

1. Replace the rear door ECU LH with a new one or normally functioning one. Refer to COMPONENTS [10/2014 - ] .
2. Check that the entry function operates normally.

   OK

   Operates normally

NG → See step   12 

OK → END (REAR DOOR ECU LH IS DEFECTIVE)