DTC B1750: Communication Bus Line Error
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 6 seconds or more.
- Check for DTCs with the HDS.
Is DTC B1750 indicated?
YES - Go to step 5.
NO - Intermittent failure, the system is OK at this time. Check for loose or poor connections at HandsFreeLink control unit connector (28P), and at under-dash fuse/relay box connector X(39P).
- Check for DTCs with the HDS.
Is DTC B1000 also indicated?
YES - Troubleshoot DTC B1000.
NO - If the B1750 is indicated, replace the HandsFreeLink control unit.