Inspection Procedure

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

   OK : Manual door unlock function operates normally. 

NG : GO TO POWER DOOR LOCK CONTROL SYSTEM 

OK : GO TO NEXT STEP 

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

   Standard voltage 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   D16-2 (SEL) - D16-8 (GND)	Key at least 5 m (16.4 ft.) away from door	10 to 14 V
   	Key within 0.7 m (2.3 ft.) from door	Below 1 V

NG : Go to step   7 

Fig 1: Identifying Door Electrical Key Oscillator Connector Terminal (Self Voltage)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : GO TO NEXT STEP 

1. Measure the voltage between the terminals of the connector when the outside door handle is touched.

   Standard voltage 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   D16-3 (SENS) - D16-8 (GND)	Outside door handle not touched	10 to 14 V
   	Outside door handle touched	Below 1 V

OK : Go to step   5 

Fig 2: Identifying Door Electrical Key Oscillator Connector Terminal (Sens Voltage)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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
   D16-3 (SENS) - S11-21 (SEN1)	Below 1 Ω
   D16-3 (SENS) or S11-21 (SEN1) - Body ground	10 kΩ or higher

NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 

Fig 3: Identifying Door Electrical Key Oscillator - Certification ECU Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : GO TO NEXT STEP 

1. After replacing the door electrical key oscillator on the driver's side with a new one, check that the entry unlock function operates normally.

   OK : Entry unlock function operates normally. 

OK : REPLACE DOOR ELECTRICAL KEY OSCILLATOR LH 

NG : GO TO NEXT STEP 

1. Disconnect the D16 oscillator connector.
2. Disconnect the E8 antenna connector.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Specified Condition
   D16-6 (ANT1) - E8-5 (ANT1)	Below 1 Ω
   D16-7 (ANT2) - E8-2 (ANT2)	Below 1 Ω
   D16-5 (SGT) - E8-6 (SGT)	Below 1 Ω
   D16-8 (GND) - Body ground	Below 1 Ω
   D16-6 (ANT1) or E8-5 (ANT1) - Body ground	10 kΩ or higher
   D16-7 (ANT2) or E8-2 (ANT2) - Body ground	10 kΩ or higher
   D16-5 (SGT) or E8-6 (SGT) - Body ground	10 kΩ or higher

NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 

Fig 4: Identifying D16 Oscillator And E8 Antenna Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : REPLACE ELECTRICAL KEY ANTENNA LH 

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
   D16-2 (SEL) - S11-23 (SEL1)	Below 1 Ω
   D16-2 (SEL) or S11-23 (SEL1) - Body ground	10 kΩ or higher

NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 

Fig 5: Identifying D16 Oscillator And S11 ECU Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : REPLACE CERTIFICATION ECU