5. Check for DTCs with the HDS.
Is DTC B1000 also indicated?
YES -
Troubleshoot DTC B1000.?
NO -
Intermittent failure, the system is OK at this time. Check for loose or poor connections at the MICU and B-CAN connected units in the table.?
With Navigation
DTC Troubleshooting: B1775
DTC B1775:
Microphone input/output shorted to power (with navigation)
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN system diagnosis test mode A See: Powertrain
Management/Computers and Control Systems/Information Bus/Testing and Inspection/Component Tests and General Diagnostics/Troubleshooting
- B-CAN System Diagnosis Test Mode A.
1. Connect the HDS to the DLC.
2. Clear the DTCs with the HDS.
3. Turn the ignition switch to LOCK (0), and then back to ON (II).
4. Check for DTCs with the HDS.
Is DTC B1775 indicated?
YES -
Go to step 5.
NO -
Intermittent failure, the system is OK at this time.?
5. Turn the ignition switch to LOCK (0).
6. Disconnect the HFL-navigation microphone 7P connector.
7. Disconnect the HandsFreeLink control unit 28P connector.
