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Information Electronics Control Module 1 (J794) Connectors







Information Electronics Control Module 1 (J794) Connectors

Information Electronics Control Module 1 (J794)





1. Not Assigned

2. Connection block with four connectors

3. MOST bus (T2ak)

4. FBAS input (T2ai) from the DVD changer (R161)

5. 4 pin connector (T4co) to the front information display control head (J685)

6. 4 pin connector (T4cn) to the external audio source connection (R199)

7. GPS connection from roof antenna (R216)


Unlisted connector terminals are not used.

2 - Connection block with four connectors

A - 8 Pin Multi Pin Connector (T8q)





3 Wake UP to Multimedia system control head (E380)
6 Res MU to Multimedia system control head (E380)
7 Ring break diagnostic cable

B - 12 Pin Connector (T12e)





2 Microphone input wire (+) 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 cable (-) for the rearview camera system control module (J772) / peripheral camera control module (J928)
8 Microphone input wire (+) from the 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 the rearview camera system control module/ peripheral camera control module (J928)

C - 12 Pin Connector (T12d)





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

1. LF - In ground

2. Right LF - In

3. USB (+5 volt)

4. USB (ground)

5. iPod(R) (ACC power)

6. Detect

7. Left LF - In

8. LF - In ground shielding

9. FBAS wire (+)

10. FBAS wire (-)

11. iPod(R) data

12. iPod(R) data


D - 8 Pin Connector (T8p)





10 Data to Multimedia system control head (E380)
11 Data to Multimedia system control head
12 Terminal 31
14 Res BT from Multimedia system control head
15 Terminal 30

3 - MOST Bus (T2ak)





1. Input

2. Output


5- 4 Pin Connector (T4co)





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

1. LVDS (-)

2. LIN

3. LVDS (+)

4. Ground


6 - 4 Pin Connector (T4cn)





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

1. D (+)

2. iPod(R) recognized

3. D (-)

4. Ground