VEHICLE STABILITY CONTROL SYSTEM, Diagnostic DTC:C1279

DTC Code DTC Name
C1279 Acceleration Sensor Output Voltage Malfunction (Test Mode DTC)

DESCRIPTION

DTC Code DTC Detection Condition Trouble Area
C1279 Detected only during Test Mode.

  • Sensor installation

  • Acceleration sensor (Yaw rate sensor)

WIRING DIAGRAM

Refer to DTCs C1232, C1243 and C1245 Click here.

INSPECTION PROCEDURE

Note

When replacing the yaw rate sensor, perform zero point calibration Click here.

PROCEDURE


  1. CHECK YAW RATE SENSOR INSTALLATION


    1. Check that the yaw rate sensor has been installed properly Click here.

      OK
      The sensor is tightened to the specified torque.
      The sensor is not installed in a tilted position.

    NG

    INSTALL YAW RATE SENSOR CORRECTLY Click here

    OK

  2. CHECK HARNESS AND CONNECTOR (IG TERMINAL)


    1. Turn the engine switch off.

    2. A01FE4GE52
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Yaw Rate Sensor)

      Make sure that there is no looseness at the locking part and the connecting part of the connector.

    3. Disconnect the yaw rate sensor connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      N51-4 (IG) - Body ground Engine switch on (IG) 11 to 14 V
      N51-6 (+B) - Body ground Always 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK HARNESS AND CONNECTOR (GND TERMINAL)


    1. A01FE4GE45
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Yaw Rate Sensor)

      Turn the engine switch off.

    2. Disconnect the yaw rate sensor connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      N51-1 (GND) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE YAW RATE SENSOR Click here