DTC 84-21

DTC 84-21: VSA Sensor Neutral Position Not Writing

1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Do the VSA sensor neutral position memorization. Programming and Relearning
4. Turn the ignition switch OFF, then turn it ON (II) again.
5. Check for DTCs with the HDS.

Is DTC 84-21 indicated?

YES - Check for loose terminals in the VSA modulator-control unit 37P connector. If necessary, substitute a known-good VSA modulator-control unit and retest.

NO - The system is OK at this time.