DTC P3107-214: Airbag ECU Communication Circuit Malfunction: Procedure

B → See step   5 

A: Go to next step 

NEXT: Go to next step 

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

   Result

   Result		Proceed to
   DTC P3107-214 is not output.		A
   DTC P3107-214 is output again.		B

5. Turn the ignition switch off.

B → See step   9 

A: Go to next step 

1. Check for intermittent problems. Refer to CHECK FOR INTERMITTENT PROBLEMS .

NG → REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA 

OK → See step   9 

NG → CONNECT SECURELY 

OK: Go to next step 

1. Check the connections of the center airbag sensor assembly connectors.
   Fig 1: Checking Connector Connection Condition (Center Airbag Sensor Assembly Connector)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   TEXT IN ILLUSTRATION
   
   

   *a	Component with harness connected (Center Airbag Sensor Assembly)

   OK

   The connectors are connected securely and there are no contact problems.

NG → CONNECT SECURELY 

OK: Go to next step 

1. Disconnect the D72 connector from the hybrid vehicle control ECU.
2. Disconnect the D30 connector from the center airbag sensor assembly.
3. Turn the ignition switch to ON.
4. Measure the voltage according to the value(s) in the table below.
   Fig 2: Checking Harness And Connector (Hybrid Vehicle Control ECU - Center Airbag Sensor Assembly)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   TEXT IN ILLUSTRATION
   
   

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

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   D72-29 (ABFS) - Body ground	Ignition switch ON	Below 1 V

   NOTE:

   Turning the ignition switch to ON with the hybrid vehicle control ECU and center airbag sensor assembly connectors disconnected causes other DTCs to be stored. Clear the DTCs after performing this inspection.

5. Turn the ignition switch off.
6. Measure the resistance according to the value(s) in the table below.

   Standard Resistance (Check for Open)

   Tester Connection	Switch Condition	Specified Condition
   D72-29 (ABFS) - D30-14 (GSW2)	Ignition switch off	Below 1 Ω

   Standard Resistance (Check for Short)

   Tester Connection	Switch Condition	Specified Condition
   D72-29 (ABFS) or D30-14 (GSW2) - Body ground and other terminals	Ignition switch off	10 kΩ or higher

7. Connect the center airbag sensor assembly connector.
8. Connect the hybrid vehicle control ECU connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the D30 connector from the center airbag sensor assembly.
2. Turn the ignition switch to ON.
3. Measure the voltage according to the value(s) in the table below.
   Fig 3: Checking Hybrid Vehicle Control ECU Voltage

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   D72-29 (ABFS) - Body ground	Ignition switch ON	11 to 14 V

   TEXT IN ILLUSTRATION
   
   

   *a	Component with harness connected (Hybrid Vehicle Control ECU)

   NOTE:

   Turning the ignition switch to ON with the center airbag sensor assembly connector disconnected causes other DTCs to be stored. Clear the DTCs after performing this inspection.

4. Connect the center airbag sensor assembly connector.

NG → See step   9 

OK → See step   10