DTC    P3107-213    Airbag ECU Communication Circuit Malfunction

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DESCRIPTION

  1. The HV control ECU detects an error in collision signals from the airbag sensor assembly center and alerts the driver.

DTC No.
INF Code
DTC Detection Condition
Trouble Area
P3107
213
GND short in communication circuit
  1. Wire harness or connector
  2. Center airbag sensor assembly
  3. HV control ECU

WIRING DIAGRAM


A113956E02


INSPECTION PROCEDURE

1.READ OUTPUT DTC (SRS AIRBAG)

  1. Connect the intelligent tester to the DLC3.

  1. Turn the ignition switch to the ON position.

  1. Select the following menu items: Body / SRS Airbag / DTC.

  1. Read output DTC.

    Result:
    DTCs for the airbag system are output.



YES
GO TO DTC CHART
NO


2.INSPECT HYBRID VEHICLE CONTROL ECU


    A108069E02

  1. Connect the oscilloscope tester to the HV control ECU terminals specified in the table below and check the waveform.
    Item
    		Contents
    Terminal
    		ABFS (H29-8) - E1 (H32-5)
    Equipment Setting
    		5 V/DIV, 500 ms/DIV
    Condition
    		READY-on state

    OK:
    The waveform appears as shown in the illustration.



NG
Go to step 4
OK


3.CHECK FOR INTERMITTENT PROBLEMS

NEXT

REPLACE HYBRID VEHICLE CONTROL ECU 

4.CHECK AIR BAG SENSOR ASSEMBLY CENTER


    A108027E02

  1. Turn the ignition switch off.

  1. Disconnect the A24 connector from the airbag sensor assembly center.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    		Specified Condition
    GSW2 (A24-23) - E1 (A24-27)
    		10 kΩ or higher



NG
REPLACE AIR BAG SENSOR ASSEMBLY CENTER
OK


5.CHECK HARNESS AND CONNECTOR (HV CONTROL ECU - AIR BAG SENSOR ASSEMBLY CENTER)


    A108070E02

  1. Disconnect the H29 connector from the HV control ECU.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    		Specified Condition
    ABFS (H29-8) or GSW2 (A24-23) - Body ground
    		10 kΩ or higher



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE HYBRID VEHICLE CONTROL ECU