Click here

TORQUE VECTORING DIFFERENTIAL SYSTEM, Diagnostic DTC:C2A03

Click here
Click here
DTC Code DTC Name
C2A03 Battery Voltage Malfunction
Click here

DESCRIPTION

The torque vectoring differential ECU assembly monitors the terminal voltage of the BATT terminal circuit. DTC C2A03 is stored when a voltage lower than the threshold voltage is detected.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate
C2A03 Battery Voltage Malfunction

Diagnosis Condition:


  • IG power source voltage is 10 V or more.

Abnormal condition:


  • The BATT terminal circuit is open or shorted to ground. (BATT terminal voltage is lower than 3.5 V)

Malfunction Time:


  • 3 seconds or more

Trip logic:


  • 1 trip detection logic

  • Torque vectoring differential ECU assembly

  • Wire harness or connector

  • Master Warning Light: Does not come on

  • Multi-information Display Error Message: Does not come on
Click here

WIRING DIAGRAM

Click here

CAUTION / NOTICE / HINT

Tip:

If the torque vectoring differential ECU assembly has been replaced, perform "All Learning".

Click here

Click here

PROCEDURE


  1. Click here

    CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)


    1. Disconnect the T43 torque vectoring differential ECU assembly connector.

    2. A01FOE1C02
      *a

      Front view of wire harness connector

      (to Torque Vectoring Differential ECU Assembly)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      T43-16 (BATT) - Body ground Always 10 to 14 V

    3. Reconnect the T43 torque vectoring differential ECU assembly connector.

      Result
      Proceed to
      OK
      NG

    • OK

      REPLACE TORQUE VECTORING DIFFERENTIAL ECU ASSEMBLYClick here

    • NG

      REPAIR OR REPLACE POWER SOURCE CIRCUIT