Pin Assignment, Cell Phone Preparation MMI

Fig 1: Identifying Cell Phone Preparation Connector Assignment, MMI, 9ZF

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1. Antenna Connection (GSM) from the Roof Antenna -R216-
2. Connection block with four multipin connectors
3. MOST Bus
4. Not Assigned
5. 4-pin connector (T4am) for the Front Information Display Control Head -J685-
6. 4-pin connector (T4ap) to External Audio Source Connection -R199-
7. Not Assigned
8. Not Assigned

2 - Connection block with four multipin connectors

Fig 2: A - 8-Pin Connector (T8k)

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1. Not Assigned
2. Power Supply to Multimedia System Control Head -E380-
3. Wake UP to Multimedia System Control Head -E380-
4. Not Assigned
5. Switch-on signal for the Cellular Telephone Amplifier -R86-
6. Reset to the Multimedia System Control Head -E380-
7. Ring-break Diagnostic Cable

Fig 3: A - 8-Pin Connector (T8k)

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8 -

Microphone IN (+) for the Microphone Unit in Front Roof Module -R164- (Left Front Microphone -R140-)

9 -

Microphone IN (-) for the Microphone Unit in Front Roof Module -R164- (Left Front Microphone -R140-)

Fig 4: A - 8-Pin Connector (T8k)

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All pins are connected to the External Audio Source Connection -R199-.

1. LF-In ground
2. Right LF-In
3. USB (+5V)
4. USB (ground)
5. Not Assigned
6. Detect
7. Left LF-In
8. LF-In ground shielding
9. CVBS cable (+)
10. CVBS cable (-)
11. iPod data
12. iPod data

Fig 5: A - 8-Pin Connector (T8k)

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10 -

Data from Multimedia System Control Head -E380-

11 -

Data to the Multimedia System Control Head -E380-

12 -

Terminal 31

13 -

DIAG signal from Telephone Baseplate -R126-

14 -

Reset from Multimedia System Control Head -E380-

15 -

Terminal 30

16 -

Ground to Multimedia System Control Head -E380-

Fig 6: 2 - MOST Bus

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1. Input
2. Output