DTC 81-59

DTC 81-3D: Central Processing Unit (CPU) Internal Circuit Malfunction

DTC 81-3E: Central Processing Unit (CPU) Internal Circuit Malfunction

DTC 81-59: CentraI Processing Unit (CPU) Internal Circuit Malfunction

1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch OFF, then turn it ON (II) again.
4. Turn the steering wheel from lock to lock.
5. Check for DTCs with the HDS.

Is DTC 81-3D, 81-3E, or 81-59 indicated?

YES - Replace the VSA modulator-control unit.

NO - Intermittent failure, the system is OK at this time.