ANTI-LOCK BRAKE SYSTEM, Diagnostic DTC:C1420

DTC Code DTC Name
C1420 Acceleration Sensor Malfunction

DESCRIPTION

Refer to DTC C1419 Click here.

DTC Code DTC Detection Condition Trouble Area
C1420 After the difference between GL1 and GL2 becomes 0.6 G or more with the vehicle stationary, the difference remains 0.4 G or more for 60 seconds or more.

  • Sensor installation

  • Acceleration sensor

WIRING DIAGRAM

Refer to DTCs C1243 and C1245 Click here.

INSPECTION PROCEDURE

Note

When replacing the acceleration sensor, perform calibration Click here.

Tech Tips

When DTC U0124 is output together with DTC C1420, inspect and repair the trouble areas indicated by DTC U0124 first Click here.

PROCEDURE


  1. CHECK ACCELERATION SENSOR INSTALLATION


    1. Check that the acceleration sensor is installed properly Click here.

      OK
      The sensor is tightened to the specified torque.
      The sensor is not installed at an angle.

    NG

    INSTALL ACCELERATION SENSOR CORRECTLY Click here

    OK

  2. REPLACE ACCELERATION SENSOR


    1. Replace the acceleration sensor Click here.


    NEXT

    END