B1006

DTC Troubleshooting: B1006

DTC B1006:

MICU Lost Communication With Door Multiplex Control Unit (Door Lock Switch Message)

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

1. Clear the DTCs with the HDS.

2. Turn the ignition switch to LOCK (0), and then back to ON (II).

3. Wait for at least 6 seconds.

4. Check for DTCs with the HDS.

Is DTC B1006 indicated?

YES -

Go to step 5.

NO -

Intermittent failure, the door multiplex control unit is OK at this time. Check for loose or poor connection at the door multiplex control unit connector (23P), and at driver's under-dash fuse/relay box connector J (21P). If the connections are good, check the battery condition Testing and Inspection and the charging system.�

5. Check for DTCs with the HDS.

Are DTCs B1058, B1160, and B1356 also indicated?

YES -

Go to door multiplex control unit input test Door Multiplex Control Unit Input Test.�

NO -

Check for an open in the communication circuit between the MICU and the door multiplex control unit. If the circuit is OK, replace the MICU Under-Dash Fuse/Relay Box Removal and Installation. If the circuit is bad, repair the open.�