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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).
  1. Clear the DTC with the HDS.
  1. Turn the ignition switch to LOCK (0).
  1. Test-drive the vehicle.
    NOTE: Drive the vehicle on a straight section of road, not on a lift.
  1. Check for DTCs with the HDS.
Is DTC 81-11, 81-51, or 81-52 indicated?
YES -
NO -
Intermittent failure, the system is OK at this time.■