Check G Sensor (D)

Turn the ignition switch to OFF.

Connect the Vehicle Diagnostic Interface to data link connector.

Turn the Vehicle Diagnostic Interface into {BRAKE CONTROL} mode.

Set the display in the {Current Data Display & Save} mode.

Read the G sensor output voltage.

Is the indicated reading 2.3+/-0.2 V when the vehicle is in horizontal position? 

YES. Go to  CHECK G SENSOR (E)  . 

NO 

Replace the G sensor.