Inspection Procedure

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

   OK: Manual door lock and unlock function operates normally. 

1. NG: Go to POWER DOOR LOCK CONTROL SYSTEM (See  HOW TO PROCEED WITH TROUBLESHOOTING  ) 
2. OK: GO TO NEXT STEP 

1. Connect the hand-held tester (with CAN VIM) to the DLC3.
2. Turn the power switch ON (IG) and press the hand-held tester main switch ON.
3. Select the item below in the ACTIVE TEST and then check that the oscillator operates.

   Smart key ECU: 

   ACTIVE TEST (SMART KEY ECU)
   
   

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

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

1. NG: Go to STEP3 
2. OK: GO TO NEXT STEP 

   REPLACE SMART KEY ECU ASSY 

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

   Standard: 

   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
   D16-1 (+B) - Body ground	Below 1 Ω

   Fig 1: Checking Wire Harness (Door Electrical Key Oscillator LH - Smart Key ECU Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 
2. OK: GO TO NEXT STEP 

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

   Standard: 

   Fig 2: Tester Connection Specified Condition Chart

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   Fig 3: Identifying Door Electrical Key Oscillator Terminals LH

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. NG: REPLACE DOOR ELECTRICAL KEY OSCILLATOR LH 
2. OK: GO TO NEXT STEP 

   REPLACE SMART KEY ECU ASSY