MMI Cell Phone Preparation Connectors, From 11.2008

MMI Cell Phone Preparation Connectors, from 11.2008

Information Electronics Control Module 1 (J794)





1. Not assigned

2. Connection block with four multi-pin connectors

3. MOST Bus

4. Not used

5. 4-pin connector (T4am) to front information display control head (J685)

6. 4-pin connector (T4ap) for the external audio source connection (R199) / internet access control module (J666) (from MY 2012)

7. Not used

8. Not used


• Unlisted connector terminals are not used.

2 - Connection block with four connectors

A - 8-pin Connector (T8ah)





1. Not assigned

2. Voltage supply to Multimedia Control Head (E380)

3. Wake UP to Multimedia Control Head

4. Not assigned

5. Switch-on signal to Telephone baseplate (R126)

6. Res MU to Multimedia Control Head

7. Ring-break diagnostic cable


B - 12-pin Connector (T12x)





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) ( left front microphone (R140) )

C - 12-pin connector (T12y)





All pins are connected to the External audio source connection (R199).

1. LF-In ground

2. Right LF-In

3. USB (+5V) not for Internet access control module (J666) (from MY 2012)

4. USB (ground)

5. Not assigned

6. Detect not for Internet access control module (J666)

7. Left LF-In

8. LF-In ground shielding

9. FBAS wire (+)

10. FBAS wire (-)

11. iPod data

12. iPod data


Following pins are also still connected with the Internet access control module (J666)

3 USB (+5 V)
4 USB (ground)
6 Detect

D - Black 8-pin Connector (T16q)





10 Data to multimedia control head (E380)
11 Data to multimedia control head
12 Terminal 31
14 Res BT from multimedia control head
15 Terminal 30
16 Ground (GND) to multimedia control head

3 - MOST Bus





1. Input

2. Output