Volkswagen Workshop Service and Repair Manuals

• Navigation system aerial connection
• Multi-pin connection I
• ◆ 20-pin connection for DSP, pre-amplifier output, telephone speech input and second display as well as CD changer control
• ◆ Pin assignment =>page 91-75
• Multi-pin connection II
• ◆ 8-pin connection for loudspeaker output
• ◆ Pin assignment =>page 91-76

• Multi-pin connection III
• ◆ 8-pin connection for supply voltage, telephone mute, GALA signal, illumination, "Safe" locking and S contact
• ◆ Pin assignment =>page 91-77
• Multi-pin connection IV
• ◆ 10-pin connection for navigation sensors
• ◆ Pin assignment =>page 91-78
• Radio aerial connection

Pin assignment for multi-pin connection I

Multi-pin connector I, -T20- consists of 3 parts that are marked with different colours:

→ Multi-pin connector I, part 1, yellow

•      1 -     Vacant
•      2 -     Vacant
•      3 -     Line Out, earth
•      4 -     Line Out front left, LF
•      5 -     Line Out front right, RF
•      6 -     Switched positive for sound amplifier

Multi-pin connector I, part 2, green

•      7 -     Telephone input signal, TEL+
•      8 -     Second display, CLOCK (precondition for data flow pulse frequency)
•      9 -     Second display, DATA (exchange of data for dash panel insert with second display)
•      10 -     Second display, ENA (monitoring of data flow and feedback of successful data transfer)
•      11 -     Remote control
•      12 -     Telephone input signal, TEL-

→ Multi-pin connector I, part 3, blue

•      13 -     CD changer, DATA IN (data to radio)
•      14 -     CD changer, DATA OUT (data from radio)
•      15 -     CD changer, CLOCK (precondition for data flow pulse frequency)
•      16 -     CD changer, terminal 30 voltage supply (+)
•      17 -     CD changer, control signal
•      18 -     CD changer, left and right channel, earth
•      19 -     CD changer, left channel, CD/L
•      20 -     CD changer, right channel, CD/R

Pin assignment for multi-pin connection II

Multi-pin connector II, -T8a-, 8-pin, brown

•      1 -     Loudspeaker + rear right
•      2 -     Loudspeaker - rear right
•      3 -     Loudspeaker + front right
•      4 -     Loudspeaker - front right
•      5 -     Loudspeaker + front left
•      6 -     Loudspeaker - front left
•      7 -     Loudspeaker + rear left
•      8 -     Loudspeaker - rear left

Pin assignment for multi-pin connection III

→ Multi-pin connector III, -T8-, 8-pin, black

•      1 -     Gala (volume adaption)
•      2 -     Telephone mute circuit
•      3 -     Self-diagnosis/K wire
•      4 -     Connection for ignition key controlled switching on and off (S contact)
•      5 -     Anti-theft system control signal, SAFE
•      6 -     Illumination (terminal 58b)
•      7 -     Battery + (terminal 30)
•      8 -     Battery - (terminal 31)

Pin assignment for multi-pin connection IV

→ Multi-pin connection IV, -T10-, 10-pin, red

•      1 -     CAN bus earth for DSP system
•      2 -     Speech earth (instructions)
•      3 -     CAN bus low for DSP system
•      4 -     Speech NF positive (instructions)
•      5 -     CAN bus high for DSP system
•      6 -     Speech NF negative (instructions)
•      7 -     Vacant (option with telematics)
•      8 -     Ignition (terminal 15)
•      9 -     Vacant (option with telematics)
•      10 -     Signal reverse gear