Rear Door LH Entry Unlock Function does not Operate: Procedure

1. When the 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   11 

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
   Entry Sensor	Rear LH side door touch sensor / ON or OFF	ON: Rear LH side door sensor is touched OFF: Rear LH side door sensor is not touched	-

   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 .
2. Check that the entry function operates normally.

   OK

   Operates normally

NG → REPLACE CERTIFICATION ECU 

OK → END (REAR DOOR ECU LH IS DEFECTIVE) 

Fig 1: Identifying Rear Door ECU And Door Electrical Key Oscillator Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the O14 ECU connector.
2. Disconnect the d2 oscillator connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   O14-16 (SEL) - d2-4 (SEL)	Always	Below 1 Ω
   O14-16 (SEL) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

Fig 2: Identifying Door Electrical key Oscillator And Rear Door Outside Handle Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the d2 oscillator connector.
2. Disconnect the d1 handle connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   d2-2 (SGT8) - d1-6 (SGT7)	Always	Below 1 Ω
   d2-2 (SGT8) - 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 .
2. Check that the entry function operates normally.

   OK

   Operates normally

NG → See step   8 

OK → END (DOOR ELECTRICAL KEY OSCILLATOR IS DEFECTIVE) 

1. Replace the rear door outside handle LH with a new one or normally functioning one. Refer to REMOVAL .
2. Check that the entry function operates normally.

   OK

   Operates normally

NG → See step   9 

OK → END (REAR DOOR OUTSIDE HANDLE LH IS DEFECTIVE) 

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

   OK

   Operates normally

NG → REPLACE CERTIFICATION ECU 

OK → END (REAR DOOR ECU LH IS DEFECTIVE)