Hands-Free Phone

HANDS-FREE PHONE SYMPTOM CHART

Symptom	Possible cause	Reference
Inoperative	Bluetooth control unit power circuit Bluetooth control unit	Power Supply and Ground Circuit Check [Bluetooth Control Unit] Diagnosis System (Bluetooth Control Unit)
Inoperative
Steering wheel audio switch does not operate	Steering wheel audio control switch Bluetooth control unit	Steering Switch Circuit Check Diagnosis System (Bluetooth Control Unit)
Steering wheel audio switch does not operate	Steering wheel audio control switch Bluetooth control unit
Voice activated control does not activate	Microphone Steering wheel audio control switch Bluetooth control unit	Power Supply and Ground Circuit Check [Microphone] Steering Switch Circuit Check Diagnosis System (Bluetooth Control Unit)