TORQUE VECTORING DIFFERENTIAL SYSTEM, Diagnostic DTC:C2A13, C2A18

DTC Code DTC Name
C2A13 RH Oil Temperature Sensor Circuit (High)
C2A18 LH Oil Temperature Sensor Circuit (High)

DESCRIPTION

If an open in the torque transfer module temperature sensor is detected, a DTC is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate
C2A13 RH Oil Temperature Sensor Circuit (High)

Diagnosis Condition:


  • IG power source voltage is 10 V or more.

Abnormal condition:


  • Open in the temperature sensor of the torque transfer module (RH side)

Malfunction Time:


  • 3 seconds or more

Trip logic:


  • 1 trip detection logic

  • Torque vectoring differential ECU assembly

  • Temperature sensor (RH side)

  • Torque transfer module motor sub-assembly (RH side)

  • Wire harness or connector

  • Master Warning Light: Comes on

  • Multi-information Display Error Message: Comes on
C2A18 LH Oil Temperature Sensor Circuit (High)

Diagnosis Condition:


  • IG power source voltage is 10 V or more.

Abnormal condition:


  • Open in the temperature sensor of the torque transfer module (LH side)

Malfunction Time:


  • 3 seconds or more

Trip logic:


  • 1 trip detection logic

  • Torque vectoring differential ECU assembly

  • Temperature sensor (LH side)

  • Torque transfer module motor sub-assembly (LH side)

  • Wire harness or connector

  • Master Warning Light: Comes on

  • Multi-information Display Error Message: Comes on

WIRING DIAGRAM

Refer to the wiring diagram for DTC C2A12.

Click here

CAUTION / NOTICE / HINT

Tech Tips


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

    Click here

  • If the torque transfer module motor sub-assembly has been replaced or removed and installed, perform "Motor Exchange Learning".

    Click here

PROCEDURE


  1. CHECK DTC OUTPUT (TVD)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Enter the following menus: Chassis / TVD / Trouble Codes.

    4. Check for DTCs.


      Chassis > TVD > Trouble Codes
      Result
      Result Proceed to
      DTC C2A13 is output. A
      DTC C2A18 is output. B

    5. Turn the engine switch off.


    B

    INSPECT TEMPERATURE SENSOR (LH SIDE) Click here

    A

  2. INSPECT TEMPERATURE SENSOR (RH SIDE)


    1. Disconnect the torque transfer module motor sub-assembly (RH side) connector.

    2. B002F0KC05
      *1 Temperature Sensor (RH Side)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A-1 (TMPR) - A-2 (TMGR) 0°C (32°F) to 155°C (311°F) 0.2 to 30.8 kΩ

    3. Reconnect the torque transfer module motor sub-assembly (RH side) connector.

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE TEMPERATURE SENSOR (RH SIDE) Click here

    OK

  3. CHECK TORQUE TRANSFER MODULE MOTOR SUB-ASSEMBLY (RH SIDE) (HARNESS AND CONNECTOR)


    1. Remove the torque vectoring differential FDU (Final Drive Unit).

      Click here

    2. Disconnect the torque transfer module motor sub-assembly (RH side) connectors.

    3. B002ETYC05
      *1 Torque Transfer Module Motor Sub-assembly (RH Side)
      *a Temperature Sensor (RH Side) Connector
      *b TVD Sensor Connector

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      V5-5 (TMPR) - A-1 (TMPR) Always Below 1 Ω
      V5-10 (TMGR) - A-2 (TMGR) Always Below 1 Ω

    4. Reconnect the torque transfer module motor sub-assembly (RH side) connectors.

    5. Install the torque vectoring differential FDU (Final Drive Unit).

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE TORQUE TRANSFER MODULE MOTOR SUB-ASSEMBLY (RH SIDE) Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (TORQUE VECTORING DIFFERENTIAL ECU ASSEMBLY - TORQUE TRANSFER MODULE MOTOR SUB-ASSEMBLY (RH SIDE))


    1. Disconnect the V3 torque vectoring differential ECU assembly connector.

    2. Remove the torque vectoring differential FDU (Final Drive Unit).

      Click here

    3. Disconnect the V5 torque transfer module motor sub-assembly (RH side) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      V3-15 (OTR) - V5-5 (TMPR) Always Below 1 Ω
      V3-5 (OTRG) - V5-10 (TMGR) Always Below 1 Ω

    5. Reconnect the V5 torque transfer module motor sub-assembly (RH side) connector.

    6. Install the torque vectoring differential FDU (Final Drive Unit).

    7. Reconnect the V3 torque vectoring differential ECU assembly connector.

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE TORQUE VECTORING DIFFERENTIAL ECU ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  5. INSPECT TEMPERATURE SENSOR (LH SIDE)


    1. Disconnect the torque transfer module motor sub-assembly (LH side) connector.

    2. B002F0KC06
      *1 Temperature Sensor (LH Side)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      B-1 (TMPL) - B-2 (TMGL) 0°C (32°F) to 155°C (311°F) 0.2 to 30.8 kΩ

    3. Reconnect the torque transfer module motor sub-assembly (LH side) connector.

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE TEMPERATURE SENSOR (LH SIDE) Click here

    OK

  6. CHECK TORQUE TRANSFER MODULE MOTOR SUB-ASSEMBLY (LH SIDE) (HARNESS AND CONNECTOR)


    1. Remove the torque vectoring differential FDU (Final Drive Unit).

      Click here

    2. Disconnect the torque transfer module motor sub-assembly (LH side) connectors.

    3. B002ETYC06
      *1 Torque Transfer Module Motor Sub-assembly (LH Side)
      *a Temperature Sensor (LH Side) Connector
      *b TVD Sensor Connector

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      V7-5 (TMPL) - B-1 (TMPL) Always Below 1 Ω
      V7-10 (TMGL) - B-2 (TMGL) Always Below 1 Ω

    4. Reconnect the torque transfer module motor sub-assembly (LH side) connectors.

    5. Install the torque vectoring differential FDU (Final Drive Unit).

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE TORQUE TRANSFER MODULE MOTOR SUB-ASSEMBLY (LH SIDE) Click here

    OK

  7. CHECK HARNESS AND CONNECTOR (TORQUE VECTORING DIFFERENTIAL ECU ASSEMBLY - TORQUE TRANSFER MODULE MOTOR SUB-ASSEMBLY (LH SIDE))


    1. Disconnect the V3 torque vectoring differential ECU assembly connector.

    2. Remove the torque vectoring differential FDU (Final Drive Unit).

      Click here

    3. Disconnect the V7 torque transfer module motor sub-assembly (LH side) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      V3-6 (OTL) - V7-5 (TMPL) Always Below 1 Ω
      V3-16 (OTLG) - V7-10 (TMGL) Always Below 1 Ω

    5. Reconnect the V7 torque transfer module motor sub-assembly (LH side) connector.

    6. Install the torque vectoring differential FDU (Final Drive Unit).

    7. Reconnect the V3 torque vectoring differential ECU assembly connector.

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE TORQUE VECTORING DIFFERENTIAL ECU ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR