DTC Troubleshooting: B1001, B1002

DTC B1001, B1002: Multiplex Integrated Control Unit (MICU) Internal Error Clear the DTCs using the HDS. Cycle the ignition switch to OFF, and then back ON. Operate the door lock (LOCK/UNLOCK). Check the DTCs by selecting the DTCs MENU (DTCs) from the HDS. Is DTC B1001 or B1002 indicated?
YES | - | Faulty MICU; replace the under-dash fuse/relay box.■
NO | - | Intermittent failure, the MICU is OK at this time.■