| DTC 81-11: | Central Processing Unit (CPU) Internal Circuit Malfunction |
| DTC 81-52: | Central 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. | Test-drive the vehicle. |
| 5. | Check for DTCs with the HDS. Is DTC 81-11, 81-51, or 81-52 indicated? YES - Check for loose terminals in the ABS modulator-control unit 25P connector. If necessary, substitute a known-good ABS modulator-control unit and retest: Except K20Z2 engine model, K20Z2 engine model.n NO - Intermittent failure, the system is OK at this time. Check for loose terminals at the ABS modulator-control unit 25P connector. Refer to intermittent failures troubleshooting.n |