Symptom | Possible Sources | Action |
The handset battery does not charge | * Circuit(s). * Cellular phone handset holder. * Cellular phone. * PSE Module. | * |
Interference from the cellular phone speaker - vehicles with Traffic Pro navigation system | * Incorrect settings of the navigation system display module. | * MAKE sure that MUTE is selected in the navigation system display module RADIO MODE. TEST the system for normal operation. |
Reduced sound or no sound through the speaker | * Circuit(s). * Cellular phone speaker. * Cellular phone handset holder. * PSE Module. | * |
No SVC display stays on | * Cellular phone antenna. * Cellular phone handset holder. | * |
The hands-free system is inoperative | * Cellular phone or cellular phone handset holder electrical contacts. | * CHECK the cellular phone is correctly installed into the cellular phone handset holder. TEST the system for normal operation. |
Microphone sensitivity too low (user is difficult to hear when making calls) | * Microphone incorrectly adjusted. | * INCREASE the microphone sensitivity during a conversation. |
* Microphone location incorrect. | * CHECK the location of the microphone. INSTALL the microphone in the correct location if required. |
Microphone sensitivity too high (user hears their own voice when making calls) | * Microphone incorrectly adjusted. | * DECREASE the microphone sensitivity during a conversation. |
Whistling noise when in use | * Microphone incorrectly adjusted. | * DECREASE the microphone sensitivity during a conversation. |
The cellular phone speaker operates but the audio unit speakers do not mute | * Electrical connection to the audio unit. * Threshold voltage to the audio unit is not achieved. | * |