Inspection Procedure

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

   Result 

   RESULT REFERENCE
   
   

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

NG: GO TO POWER DOOR LOCK CONTROL SYSTEM (See  POWER DOOR LOCK CONTROL SYSTEM   ) 

OK: GO TO NEXT STEP 

1. Using the intelligent tester or Techstream, read the Data List.
   1. Intelligent tester

      D-DOOR (Front door ECU LH) 

      INTELLIGENT TESTER - D-DOOR (FRONT DOOR ECU LH)
      
      

      Tester Display	Measurement Item/Display	Normal Condition	Diagnostic Note
      ENTRY SENSOR	Driver side door touch sensor / ON or OFF	ON: Driver side door sensor is touched OFF: Driver side door sensor is not touched	-

   2. Techstream

      Driver Door (Front door ECU LH) 

      TECHSTREAM - DRIVER DOOR (FRONT DOOR ECU LH)
      
      

      Tester Display	Measurement Item/Display	Normal Condition	Diagnostic Note
      Entry Sensor	Driver side door touch sensor / ON or OFF	ON: Driver side door sensor is touched OFF: Driver side door sensor is not touched	-

      OK: On tester screen, item changes between ON and OFF according to above chart. 

NG: Go to step   4 

OK: GO TO NEXT STEP 

1. Replace the front door ECU LH with a new one or normally functioning one (see INSTALLATION ).
2. Check that the entry function operates normally.

   OK: Operates normally 

NG: REPLACE CERTIFICATION ECU 

OK: END (FRONT DOOR ECU LH IS DEFECTIVE) 

Fig 1: Checking Harness And Connector (Door Electrical Key Oscillator - Front Door LH)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the N9 ECU connector.
2. Disconnect the b1 oscillator connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   DOOR ELECTRICAL KEY OSCILLATOR - FRONT DOOR LH
   
   

   Tester Connection	Condition	Specified Condition
   N10-15 (SEL)-b1-4 (SEL)	Always	Below 1 Ω
   N10-15 (SEL)-Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: GO TO NEXT STEP 

Fig 2: Identifying b1 Oscillator Connector And b2 Handle Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the b1 oscillator connector.
2. Disconnect the b2 handle connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   DOOR ELECTRICAL KEY OSCILLATOR - FRONT DOOR OUTSIDE HANDLE LH
   
   

   Tester Connection	Condition	Specified Condition
   b1-2 (SGT4)-b2-6 (SGT3)	Always	Below 1 Ω
   b1-2 (SGT4)-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 (see INSTALLATION ).
2. Check that the entry function operates normally.

   OK: Operates normally 

NG: Go to step 7 

OK: END (DOOR ELECTRICAL KEY OSCILLATOR IS DEFECTIVE) 

1. Replace the front door outside handle LH with a new one or normally functioning one (see REMOVAL  ).
2. Check that the entry function operates normally.

   OK: Operates normally 

NG: Go to step 8 

OK: END (FRONT DOOR OUTSIDE HANDLE LH IS DEFECTIVE) 

1. Replace the front door ECU LH with a new one or normally functioning one (see INSTALLATION ).
2. Check that the entry function operates normally.

   OK: Operates normally 

NG: REPLACE CERTIFICATION ECU 

OK: END (FRONT DOOR ECU LH IS DEFECTIVE)