MMI Maximum Equipment Connectors, From 11.2008

MMI Maximum Equipment Connectors, from 11.2008

Information Electronics Control Module 1 (J794)





1. Connection (GPS) from the radio, telephone and navigation system antenna (R52) / roof antenna (R216)

2. Connection block with four connectors

3. MOST Bus

4. FBAS input from TV Tuner (R78)

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 assigned

8. Connection (GPS) from the radio, telephone and navigation system antenna (R52) / roof antenna (R216)


• Unlisted connector terminals are not used.

2 - Connection block with four connectors

A - 8-pin Connector (T8ah)





1. LF mute from preliminary setup for cell phone preparation

2. Voltage supply to Multimedia Control Head (E380)

3. Wake UP to Multimedia Control Head (E380)

4. Not assigned

5. Switch-on signal for the Cellular telephone amplifier (R86)

6. Res MU to Multimedia Control Head (E380)

7. Ring-break diagnostic cable


B - 12-pin Connector (T12x)





2 Microphone input (+) from microphone unit in front roof module (R164) ( right front microphone (R141) )
3 Microphone input wire (-) from the microphone unit in front roof module (right front microphone)
5 FBAS wire (-) from Rear View Camera System Control Module (J772)
8 Microphone input wire (+) from microphone unit in front roof module ( left front microphone (R140) )
9 Microphone input (-) from microphone unit in front roof module (left front microphone)
11 FBAS wire (+) from Rear View Camera System Control Module (J772)

C - 12-pin Connector (T12y)





All pins are connected to the external audio source connection.

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) (from MY 2012)

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) (from MY 2012).

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

D - 8-pin Connector (T16q)





9 Switch-on signal to telephone base plate (R126)
10 Data to Multimedia Control Head (E380)
11 Data to Multimedia Control Head (E380)
12 Terminal 31
13 Telephone base plate (R126) DIAG signal
14 Res BT from Multimedia Control Head (E380)
15 Terminal 30
16 Ground (GND) to Multimedia Control Head (E380)

3 - MOST Bus





1. Input

2. Output


5 - 4-pin Connector (T4am)





All pins are connected to the front information display control head (J685).

1. LVDS (-)

2. LIN

3. LVDS (+)

4. Ground (GND)


6- 4-pin Connector (T4ap)





All pins are connected with the external audio source connection (R199) / internet access control module (J666).

1. D (+)

2. iPod recognized

3. D (-)

4. Ground (GND)