Inspection Procedure

1. When the door control switch on the master switch assembly is operated, check that the locked doors unlock (See OPERATION CHECK ).

   OK: Locked doors unlock. 

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

OK: Go to next Step 

1. Connect the Techstream to the DLC3
2. Turn the engine switch on (IG)
3. Turn the Techstream on
4. Enter the following menus Body Electrical / Smart Access / Data List
5. Read the Data List according to the display on the Techstream

   Smart Access (Certification ECU (Smart Key ECU Assembly)) 

   NORMAL CONDITION CHART
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   P-Door Trigger SW	Front passenger side door lock switch / ON or OFF	ON Entry lock switch is pressed OFF Entry lock switch is not pressed	-

   OK: On the Techstream screen, the display changes between ON and OFF according to the chart above. 

NG: Go to step 3 

OK: REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)  (See REMOVAL  )

1. Disconnect the front door outside handle assembly (front passenger side) connector
2. Disconnect the door electrical key oscillator (front passenger side) connector
3. Measure the resistance according to the value (s) in the table below

   Standard Resistance 

   RESISTANCE REFERENCE
   
   

   Tester Connection	Condition	Specified Condition
   n1-1 (TRG-) - n2-9 (TRG-)	Always	Below 1 Ω
   n1-1 (TRG-) - Body ground	Always	10 kΩ or higher

Fig 1: Identifying n1 And n2 Connector Terminal
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next Step 

1. Disconnect the certification ECU (smart key ECU assembly) connector
2. Measure the resistance according to the value (s) in the table below.

   Standard Resistance 

   RESISTANCE REFERENCE
   
   

   Tester Connection	Condition	Specified Condition
   P33-4 (TSW2) - n1-3 (TRG+)	Always	Below 1 Ω
   P33-4 (TSW2) - Body ground	Always	10 kΩ or higher

Fig 2: Identifying P33 Connector Terminal And n1 Connector Terminal
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next Step 

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

   Standard Resistance 

   RESISTANCE REFERENCE
   
   

   Tester Connection	Switch Condition	Specified Condition
   1 (TRG-) - 3 (TRG+)	Lock switch not pushed	10 kΩ or higher
   1 (TRG-) - 3 (TRG+)	Lock switch pushed	Below 1 Ω

Fig 3: Identifying Front Door Outside Handle Assembly
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE FRONT DOOR OUTSIDE HANDLE ASSEMBLY (FRONT PASSENGER SIDE)  (See REMOVAL  )

OK: Go to next Step 

1. Replace the door electrical key oscillator (front passenger side) (See REMOVAL  )

1. Check that the entry functions operate normally (See OPERATION CHECK  ).

   OK: Entry functions operate normally. 

NG: REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)  (See REMOVAL  )

OK: END (DOOR ELECTRICAL KEY OSCILLATOR IS DEFECTIVE)