RX400h · Service Manual HYBRID SYSTEM

P3107-215

Diagnostic trouble codes

DESCRIPTION

Refer to the circuit description for DTC P3107-213. (Click here)
DTC No.
 INF Code
 DTC Detection Condition
 Trouble Area
P3107
 215
 Abnormal communication signal
  1. Wire harness or connector
  2. Center airbag sensor assembly
  3. HV control ECU

WIRING DIAGRAM

Refer to the wiring diagram for DTC P3107-213. (Click here)

INSPECTION PROCEDURE


1. CELAR DTC (HV)

  1. Turn the intelligent tester to the DLC3.

  1. Turn the ignition switch to the ON position.

  1. Select the following menu items: Powertrain / Hybrid Control / DTC / Clear.


NEXT


2. RECONFIRM OUTPUT DTC (HV)

  1. Select the following menu items: Powertrain / Hybrid Control / DTC.

  1. Read output DTC. (Click here)

    Result:
    DTC P3107-215 is output again.



 YES
Go to step 4
NO


3. CHECK FOR INTERMITTENT PROBLEMS

NEXT

REPLACE AIR BAG SENSOR ASSEMBLY CENTER

4. INSPECT HYBRID VEHICLE CONTROL ECU

  1. A108069E02
    Connect the oscilloscope tester to the HV control ECU terminals specified in the table below and check the waveform.
    Item
    		 Contents
    Terminals
    		 ABFS (H29-8) - E1 (H32-5)
    Equipment Setting
    		 5 V/DIV, 500 ms/DIV
    Condition
    		 READY ON

    OK:
    The waveform appears as shown in the illustration.



 OK
REPLACE HYBRID VEHICLE CONTROL ECU
NG


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

  1. Turn the ignition switch off.

  1. Connect the H29 connector to the HV control ECU.

  1. A108070E02
    Disconnect the A24 connector from the airbag sensor assembly CTR.

  1. Measure the voltage according to the value(s) in the table below when the ignition switch is in the ON position.

    Standard voltage:
    Tester Connection
    		 Specified Condition
    ABFS (H29-8) - Body ground
    		 Below 1 V

  1. Turn the ignition switch off.

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

    Standard Resistance (Check for open):
    Tester Connection
    		 Specified Condition
    ABFS (H29-8) - GSW2 (A24-25)
    		 Below 1 Ω

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



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE AIR BAG SENSOR ASSEMBLY CENTER


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