OnStar control module (673)
|
|
OnStar control module (673)
|
OnStar control module (673)
The unit contains a mobile phone and a GPS receiver. It is connected to the radio, microphone, control panel, GPS/mobile phone antenna and data link connector via the car's wiring harness. The unit is equipped with one 12-pin and two 16-pin connectors as well as an antenna connection.
The unit's main tasks in the system are the following:
|
•
|
Voice and data communication via the mobile phone network.
|
|
•
|
Receive data signals from GPS and calcuate the car's position, which is transferred over the mobile hone network to the OnStart Call Centre via data communication.
|
|
•
|
Send bus messages to activate the car horn and hazard warning lights.
|
|
•
|
Receive bus messages if the airbag has been deployed in order to automatically call for assistance.
|
|
•
|
Reproduce phone calls via the audio system speakers.
|
|
•
|
Disconnect the sound of the audio system during a phone call. This is done by a mute signal being sent from the OnStar unit to the audio unit, which then disconnects the normal sound in the connected speakers and the signal to any external amplifier.
|
|
•
|
Diagnostics communication.
|
|
Power supply, ground and bus communication
|
|
Pin No.
|
Signal type
|
Description
|
|
16
|
+30
|
K16a
|
|
7
|
Ground
|
K16a
|
|
1
|
I-bus
|
Bus communication
|
