| DTC 81-11: | Central Processing Unit (CPU) Internal Circuit Malfunction |
| DTC 81-54: | Central Processing Unit (CPU) Internal Circuit Malfunction |
| DTC 81-58: | Central Processing Unit (CPU) Internal Circuit Malfunction |
| 1. | Turn the ignition switch ON (II). |
| 2. | Clear the DTC with the HDS. |
| 3. | Test-drive the vehicle. |
| 4. | Check for DTCs with the HDS. Is DTC 81-11, 81-52, 81-54, 81-56, or 81-58 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.n NO - Intermittent failure, the system is OK at this time. Check for loose terminals at the VSA modulator-control unit 37P connector. Refer to intermittent failures troubleshooting.n |