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.