Operating Electronics and Telephone Control Module J412 (cell phone preparation) through MY02

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2008 Audi S4, 2008 Audi RS 4, 2008 Audi A4, 2007 Audi S4, and 2007 Audi RS 4. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Operating Electronics And Telephone Control Module J412 (Cell Phone Preparation) Through MY02

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Connectors

A - Operating Electronics and Telephone Control Module J412

B - Multi-pin connector, 20-pin (T20), red, to Telephone Baseplate R126

C - Black 18-pin multi-pin harness connector (T18)

NOTE:

Unlisted connector terminals are not assigned.

Fig 2: Black 18-Pin Multi-Pin Harness Connector

Courtesy of VOLKSWAGEN UNITED STATES, INC.

C - Black 18-pin multi-pin harness connector (T18)

1 - Terminal 31

3 - Speed signal

4 - NF mute to Radio R / Operating Electronics, Navigation Control Module J402

7 - Inside Loudspeaker R70 (-)

9 - Microphone input (-) from Telephone Microphone R38

10 - Terminal 15

11 - Terminal 30

12 - Terminal 58s

13 - Signal "cellular telephone ON" to Telephone Amplifier R86

16 - Inside Loudspeaker R70 (+)

18 - Microphone input (+) from Telephone Microphone R38 (+)