HFT System Symptom Troubleshooting - The HFT messages cannot be heard or are weak
  1. Check for continuity between Hands Free Telephone control unit 28P connector terminal No. 2 and HFT switch 7P connector terminal No. 4.
Is there continuity?
YES -
Refer to HFT Switch Test. ■
NO -
Repair open in the wire between Hands Free Telephone control unit and HFT switch.■