VSA DTC Troubleshooting: 28
DTC 28:
 Longitude Acceleration Sensor
  1. Turn the ignition switch to LOCK (0).
  1. Substitute a known-good yaw rate-lateral/longitudinal acceleration sensor.
  1. Do the VSA sensor neutral position memorization.
  1. Turn the ignition switch to ON (II).
  1. Clear the DTC with the HDS.
  1. Test-drive the vehicle. Drive the vehicle at 19 mph (30 km/h) or more, and go a distance of more than 0.2 mile.
  1. Check for DTCs with the HDS.
Is DTC 28 indicated?
YES -
Check for loose terminals in the VSA modulator-control unit 46P connector. Check for a loose connection at G202. If necessary, substitute a known-good VSA modulator-control unit and retest.■
NO -
Replace the original yaw rate-lateral/longitudinal acceleration sensor. ■