Connector Locations

Bluetooth Hands-Free Calling Connectors

Information Electronics Control Module 1 (J794)





1 Connection block with four connectors
2 MOST bus
3 Not used
4 Gray 4-pin connector (T4av) to the Front Information Display Control Head (J685)
5 4-pin connector (T4au) to the External Audio Source Connection (R199)
6 Not used
7 Not used
8 Not used

• Unlisted connector terminals are not used.

A - Multi-Pin Connector, Brown 8-pin (T8ae)





2 Voltage supply to Multimedia Control Head (E380)
3 Wake UP to Multimedia Control Head (E380)
6 Res MU to Multimedia Control Head (E380)
7 Ring-break diagnostic cable

B - Multi-Pin Connector, Blue 12-pin (T12ab)





8 Microphone input (+) from Microphone unit in front roof module (R164) (left front microphone (R140)),
9 Microphone input (-) from Microphone unit in front roof module (R164) (left front microphone (R140)),

D - Multi-Pin Connector, Black 8-pin (T8af)





10 Data to Multimedia Control Head (E380)
11 Data to Multimedia Control Head (E380)
12 Terminal 31
14 Res BT from Multimedia Control Head (E380)
15 Terminal 30
16 Ground (GND) to Multimedia Control Head (E380)

2 - MOST bus





1 Input
2 Output