DTC P3107-213: Lost Communication with Ignition Switch Run Position Circuit [12/2014 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON (IG).
3. Enter the following menus: Body Electrical / SRS Airbag / Trouble Codes.
4. Check if DTCs are output.

   Result

   Result	Proceed to
   Airbag system DTCs are not output.	A
   Airbag system DTCs are output.	B

5. Turn the ignition switch off.

B → See step   10 

A: Go to next step 

1. Connect an oscilloscope between the airbag sensor assembly terminals specified in the table below.
2. Turn the ignition switch to ON (READY).
3. Measure the waveform.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Item	Contents
   Terminal	G18-14 (GSW2) - G18-25 (E1)
   Equipment Setting	5V/DIV., 500ms/DIV.
   Condition	Ignition switch ON (READY)

   Result

   Result	Proceed to
   The waveform appears as shown in the illustration.	A
   The waveform differs from the one shown in the illustration.	B

   TEXT IN ILLUSTRATION
   
   

   *a	Component with harness connected (Airbag Sensor Assembly)

4. Turn the ignition switch off.

B → See step   6 

A: Go to next step 

NEXT: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON (IG).
3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
4. Check if DTCs are output.

   Result

   Result	Proceed to
   P3107-213 is not output.	A
   P3107-213 is output.	B

5. Turn the ignition switch off.

B → See step   9 

A: Go to next step 

Refer to CHECK FOR INTERMITTENT PROBLEMS [12/2014 - ]

NG → REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA 

OK → See step   9 

1. Disconnect connector G18 from the airbag sensor assembly.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Resistance

   Tester Connection	Switch Condition	Specified Condition
   G18-14 (GSW2) - G18-25 (E1)	Ignition switch off	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (Airbag Sensor Assembly)

3. Connect the airbag sensor assembly connector.

NG → See step   8 

OK: Go to next step 

1. Disconnect connector G58 from the hybrid vehicle control ECU.
2. Disconnect connector G18 from the airbag sensor assembly.
3. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Resistance

   Tester Connection	Switch Condition	Specified Condition
   G58-14 (ABFS) or G18-14 (GSW2) - Body ground and other terminals	Ignition switch off	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *a	Rear view of wire harness connector (to Hybrid Vehicle Control ECU)
   *b	Rear view of wire harness connector (to Airbag Sensor Assembly)

4. Connect the airbag sensor assembly connector.
5. Connect the hybrid vehicle control ECU connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   9