ABS (Without VSA)

ABS DTC Troubleshooting: 81-11, 81-51, 81-52

DTC 81-11: Central Processing Unit (CPU) Internal Circuit Malfunction

DTC 81-51: Central Processing Unit (CPU) Internal Circuit Malfunction

DTC 81-52: Central Processing Unit (CPU) Internal Circuit Malfunction

1. Turn the ignition switch to ON (II).

2. Clear the DTC with the HDS.

3. Test-drive the vehicle.
NOTE: Drive the vehicle on the road, not on a lift.

4. Check for DTCs with the HDS.

Is DTC 81-11, 81-51, or 81-52 indicated?
YES - Replace the ABS modulator-control unit: Except Si model, Service and Repair Si model. Service and Repair

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