1) Turn the ignition switch to OFF.
2) Remove the yaw rate & G sensor from vehicle.
3) Turn the ignition switch to ON, and select the {Current Data Display & Save} in Subaru Select Monitor.
4) Read the indication of longitudinal G sensor output.
When the yaw rate & G sensor is inclined 90° to the front, is the indicated value 6.8 — 12.8 m/s2?
Replace the yaw rate & G sensor.