DTC U1282: Door Multiplex Control Unit Lost Communication With MICU
NOTE:
If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see
TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A
).
- Clear the DTCs with the HDS.
- Turn the ignition switch to LOCK (0) and then back to ON (II).
- Wait for at least 6 seconds.
- Check for DTCs with the HDS.
Is DTC U1282 indicated?
YES -Go to the MICU input test, and do all power, ground and communication input tests (see CONTROL UNIT INPUT TEST ). If the tests prove OK, replace the under-dash fuse/relay box (see REMOVAL AND INSTALLATION ).
NO -Intermittent failure, the system is OK at this time. Check for loose or poor connections at under-dash fuse/relay box connector P (10P) and the related units.