DTC 81

DTC 81: Control Unit Internal Main Circuit Malfunction

DTC 82: Control Unit Internal Subcircuit Malfunction
1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch OFF.
4. Turn the ignition switch ON (II).
5. Check for DTCs with the HDS.
Is DTC 81 or 82 indicated?
YES - Replace the servo unit.
NO - Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the servo unit.