Inspection Procedure

1. Check that the manual door lock and unlock function operates normally.

   OK : Manual door lock and unlock function operates normally 

NG : GO TO POWER DOOR LOCK CONTROL SYSTEM 

OK : GO TO NEXT STEP 

1. Select the ACTIVE TEST, use the intelligent tester to generate a control command, and then check that the oscillator operates.

   Certification ECU 

   CERTIFICATION ECU ACTIVE TEST
   
   

   Item	Test Details	Diagnostic Note
   D TRANSMITTER	Driver side transmitter ON / OFF	-

   OK : When key is brought close to door oscillator that is ON, indicator on key illuminates. 

OK : REPLACE CERTIFICATION ECU 

NG : GO TO NEXT STEP 

1. Disconnect the D16 oscillator connector.
2. Disconnect the S11 ECU connector.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Specified Condition
   D16-4 (CLG) - S11-13 (CLG1)	Below 1 Ω
   D16-4 (CLG) or S11-13 (CLG1) - Body ground	10 kΩ or higher
   D16-8 (GND) - Body ground	Below 1 Ω

4. Measure the voltage of the wire harness side connector.

   Standard voltage 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Specified Condition
   D16-1 (+B) - Body ground	10 to 14 V

NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 

Fig 1: Identifying D16 Oscillator And S11 ECU Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : GO TO NEXT STEP 

1. Measure the voltage between the terminals of the connector when the power switch is operated.

   Standard voltage 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   D16-4 (CLG) - Body ground	Power switch OFF	Alternating between 5 V and below 1 V
   	Power switch ON (IG)	Below 1 V

NG : REPLACE DOOR ELECTRICAL KEY OSCILLATOR LH 

Fig 2: Identifying Door Electrical Key Oscillator Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : REPLACE CERTIFICATION ECU