Inspection Procedure

1. Check that the wireless door lock function operates normally.

   OK : Wireless door lock function operates normally. 

NG : GO TO WIRELESS DOOR LOCK CONTROL SYSTEM (w/ SMART KEY SYSTEM) 

OK : GO TO NEXT STEP 

1. Check the DATA LIST for proper functioning of the certification ECU.

   Certification ECU 

   CERTIFICATION ECU DATA LIST
   
   

   Item	Measurement Item / Range (Display)	Normal Condition	Diagnostic Note
   SMART CANCEL SW	Key cancel switch / ON or OFF	ON: Key cancel switch is ON OFF: Key cancel switch is OFF	-

   OK : OFF (key cancel switch is OFF) appears on the screen. 

OK : REPLACE CERTIFICATION ECU 

NG : GO TO NEXT STEP 

1. Measure the resistance of the switch.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Switch Condition	Specified Condition
   1 - 2	Not pushed (OFF)	10 kΩ or higher
   1 - 2	Pushed (ON)	Below 1 Ω

NG : REPLACE KEY CANCEL SWITCH 

Fig 1: Identifying Key Cancel Switch Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : GO TO NEXT STEP 

1. Disconnect S12 switch connector.
2. Disconnect S11 ECU connector.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Specified Condition
   S12-1 - S11-25 (CNSL)	Below 1 Ω
   S12-2 - Body ground	Below 1 Ω
   S12-1 or S11-25 (CNSL) - Body ground	10 kΩ or higher

NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 

Fig 2: Identifying S12 Switch And S11 ECU Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : REPLACE CERTIFICATION ECU