B1105

DTC B1105: Door Multiplex Control Unit Lost Communication with MICU (Door Switch Message)

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A.

1. Clear the DTCs with the HDS.
2. Turn the ignition switch OFF, and then back ON (II).
3. Wait for 6 seconds or more.
4. Check for DTCs with the HDS.

Is DTC B1105 indicated?

YES - Go to step 5.

NO - Intermittent failure. The system is OK at this time. Check for loose or poor connections.

5. Check for DTCs with the HDS.

Are DTC B1057, and B1159 also indicated?

YES - Go to the MICU input test. MICU Input Test

NO - Go to the Door Multiplex Control Unit Input Test. Door Multiplex Control Unit Input Test