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HFT System Symptom Troubleshooting - The Bluetooth icon does not display (the Bluetooth phone is linked)

The Bluetooth icon does not display(the Bluetooth phone is linked)
  1. Turn the ignition switch to ON (II).
  1. Disconnect audio unit connector B (12P) and Hands Free Telephone control unit 28P connector.
  1. Check for continuity between body ground and Hands Free Telephone control unit 28P connector terminal No. 19.
Is there continuity?
YES -
Repair short to body ground in the wire between Hands Free Telephone control unit and audio unit.■
NO -
Go to Step 4 .

  1. Check for continuity between Hands Free Telephone control unit 28P connector terminal No. 19 and audio unit connector B (12P) terminal No. 6.
Is there continuity?
YES -
Substitute a known-good Hands Free Telephone control unit and recheck. If the symptom/indication goes away, replace the original Hands Free Telephone control unit. If the symptom/indication is still present, replace the audio unit.
NO -
Repair open in the wire between Hands Free Telephone control unit and audio unit.■