P3107-215

HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM: P3107-215: Airbag ECU Communication Circuit Malfunction
P3107-215 - Airbag ECU Communication Circuit Malfunction

DESCRIPTION

Refer to the description for DTC P3107-213 P3107-213.





WIRING DIAGRAM

Refer to the wiring diagram for DTC P3107-213 P3107-213.

Refer to the wiring diagram for DTC P0AE6-225 P0AE6.

INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC OUTPUT (AIRBAG)

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Enter the following menus: Body Electrical / SRS Airbag / Trouble Codes.

(d) Check if DTCs are output.

Result:





(e) Turn the power switch off.

B -- GO TO DTC CHART Airbag System
A -- Continue to next step.

2. CLEAR DTC P3107-213

NEXT -- Continue to next step.

3. CHECK DTC OUTPUT (HV)

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.

(d) Check if DTCs are output.

Result:





(e) Turn the power switch off.

B -- CHECK AIRBAG SENSOR ASSEMBLY (CHECK WAVEFORM)
A -- Continue to next step.

4. CHECK FOR INTERMITTENT PROBLEMS

(a) Check for intermittent problems Check for Intermittent Problems.

NG -- REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA

OK -- REPLACE AIRBAG SENSOR ASSEMBLY Components

5. CHECK AIRBAG SENSOR ASSEMBLY (CHECK WAVEFORM)

(a) Turn the power switch on (READY).

(b) Connect an oscilloscope between the airbag sensor assembly terminals specified in the table below, and measure the waveform.









Text in Illustration





Result:





(c) Turn the power switch off.

B -- CHECK CONNECTOR CONNECTION CONDITION (POWER MANAGEMENT CONTROL ECU CONNECTOR)

A -- REPLACE POWER MANAGEMENT CONTROL ECU Components

6. CHECK CONNECTOR CONNECTION CONDITION (POWER MANAGEMENT CONTROL ECU CONNECTOR) P0340-886

NG -- CONNECT SECURELY
OK -- Continue to next step.

7. CHECK CONNECTOR CONNECTION CONDITION (AIRBAG SENSOR ASSEMBLY CONNECTOR) P3107-214

NG -- CONNECT SECURELY
OK -- Continue to next step.

8. CHECK HARNESS AND CONNECTOR (+B SHORT)

NG -- CHECK HARNESS AND CONNECTOR (SHORT TO POWER SUPPLY WIRES)
OK -- Continue to next step.

9. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - AIRBAG SENSOR ASSEMBLY) P3107-214

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE AIRBAG SENSOR ASSEMBLY Components

10. CHECK HARNESS AND CONNECTOR (SHORT TO POWER SUPPLY WIRES)

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE POWER MANAGEMENT CONTROL ECU Components