DTC P3107-213: Lost Communication with Airbag System Control Module [09/2013 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch 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 power switch off.

B → See step   10 

A: Go to next step 

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

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Item	Contents
   Terminal	E45-14 (GSW2) - E45-25 (E1)
   Equipment Setting	5 V/DIV., 500 ms/DIV.
   Condition	Power 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 (Center Airbag Sensor Assembly)

4. Turn the power switch off.

B → See step   6 

A: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Enter the following menus: Powertrain / EV / Trouble Codes.
4. Read and record the DTCs and freeze frame data.
5. Clear the DTCs and freeze frame data.
6. Turn the power switch off.

NEXT: Go to next step 

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

   Result

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

5. Turn the power switch off.

B → See step   9 

A: Go to next step 

1. Check for intermittent problems. Refer to CHECK FOR INTERMITTENT PROBLEMS [09/2013 - ] .

NG → REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA 

OK → See step   9 

1. Disconnect connector E45 from the center 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
   E45-14 (GSW2) - E45-25 (E1)	Power switch off	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (Center Airbag Sensor Assembly)

3. Connect the center airbag sensor assembly connector.

NG → See step   8 

OK: Go to next step 

1. Disconnect connector E117 from the power management control ECU.
2. Disconnect connector E45 from the center 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
   E117-29 (ABFS) or E45-14 (GSW2) - Body ground and other terminals	Power switch off	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *a	Rear view of wire harness connector (to Power Management Control ECU)
   *b	Rear view of wire harness connector (to Center Airbag Sensor Assembly)

4. Connect the center airbag sensor assembly connector.
5. Connect the power management control ECU connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   9