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 

OK: Go to next step 

1. Using the Techstream, read the Data List.

   Driver Door (Front door ECU LH) 

   MEASUREMENT ITEM/DISPLAY CHART
   
   

   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 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) 

1. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   STANDARD RESISTANCE
   
   

   Tester Connection	Switch Condition	Specified Condition
   b2-3 (TRG+) - b2-1 (TRG-)	ON	Below 1 Ω
   b2-3 (TRG+) - b2-1 (TRG-)	OFF	10 kΩ or higher

   Fig 1: Identifying b2 Handle Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE FRONT DOOR OUTSIDE HANDLE LH  (See INSTALLATION )

OK: Go to next step 

Fig 2: Identifying b2 Handle Connector And N10 ECU Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the b2 handle connector.
2. Disconnect the N10 ECU connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   STANDARD RESISTANCE
   
   

   Tester Connection	Condition	Specified Condition
   b2-3 (TRG+) - N10-20 (TRG+)	Always	Below 1 Ω
   b2-3 (TRG+) - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

Fig 3: Identifying b2 Handle Connector And b1 Oscillator Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard resistance 

   STANDARD RESISTANCE
   
   

   Tester Connection	Condition	Specified Condition
   b2-1 (TRG-) - b1-9 (TRG-)	Always	Below 1 Ω
   b2-1 (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 (see INSTALLATION ).
2. Check that the entry function operates normally.

   OK: Operates normally 

NG: Go to step 8 

OK: END (DOOR ELECTRICAL OSCILLATOR 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)