B1160

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.

1. Clear the DTCs with the HDS.
2. Turn the ignition switch OFF, and then back ON (II).
3. Check for DTCs with the HDS.

Is DTC B1006 indicated?

YES - Go to step 4.

NO - Intermittent failure, the door multiplex control unit is OK at this time. Check for loose or poor connection at door multiplex connector A (22P), and at under-dash fuse/relay box connector J (30P). If the connections are good, check the battery condition and the charging system.

4. Check for DTCs with the HDS.

Is DTC B1160 and B1058 indicated?

YES - Go to Door Multiplex Control Unit Input Test. Door Multiplex Control Unit Input Test

NO - Check for an open or loose connection in the communication circuit between the MICU and the door multiplex control unit. If the circuit is OK, replace the MICU. If the circuit is bad, repair the open.

DTC B1160: Gauge Control Module 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.

1. Clear the DTCs with the HDS.
2. Turn the ignition switch OFF, and then back ON (II).
3. Check for DTCs with the HDS.

Is DTC B1160 indicated?

YES - Go to step 4.

NO - Intermittent failure. The gauge control system is OK at this time. Check pinfits and connections.

4. Check for DTCs with the HDS.

Is DTC B1006 or B1058 indicated?

YES - Go to Door Multiplex Control Unit Input Test. MICU Input Test

NO - Go to Gauge Control Module Input Test. Gauge Control Module Input Test