Wiring Diagram VW TOUAREG 2003 - Multi-function buttons on right of steering wheel - multi-function steering wheel control unit - steering column electronics control unit
E441 | Multi-function buttons on right on steering wheel |
E518 | Increase volume button |
E519 | Decrease volume button |
E521 | Mute button |
F138 | Airbag coil connector and return ring with slip ring |
J453 | Multi-function steering wheel control unit |
J519 | Onboard supply control unit |
J527 | Steering column electronics control unit |
T8v | 8-pin connector |
T12p | 12-pin connector |
T12q | 12-pin connector |
678 | Earth point, in steering wheel |
Wiring Diagram VW TOUAREG 2003 - Onboard supply control unit - steering column electronics control unit - data bus diagnostic interface
J285 | Control unit in dash panel insert |
J519 | Onboard supply control unit |
J527 | Steering column electronics control unit |
J533 | Data bus diagnostic interface |
SB33 | Fuse 33 on left fuse holder |
SB53 | Fuse 53 on left fuse holder |
T16 | 16-pin connector, diagnostic connection on left below dash panel |
T16a | 16-pin connector |
T26a | 26-pin connector |
T32b | 32-pin connector, green |
373 | Earth connection 8, in main wiring harness |
639 | Earth point, left A-pillar |
B284 | Positive connection 8 (15a), in main wiring harness |
B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
B415 | Connection 1 (infotainment CAN bus, high), in main wiring harness |
B421 | Connection 1 (infotainment CAN bus, low), in main wiring harness |
Wiring Diagram VW TOUAREG 2003 - Radio - rear right loudspeakers - onboard supply control unit
J400 | Wiper motor control unit |
J412 | Mobile telephone operating electronics control unit |
J519 | Onboard supply control unit |
R | Radio |
R5 | Rear right loudspeaker |
R106 | Front right mid-range loudspeaker |
SC11 | Fuse -11- on right fuse holder |
SD3 | Fuse 3 on fuse holder under driver seat |
T2bf | 2-pin connector, in door |
T4ac | 4-pin connector, right B-pillar coupling station |
T10a | 10-pin connector |
T12d | 12-pin connector |
T16e | 16-pin connector * |
T18a | 18-pin connector |
238 | Earth connection 1, in interior wiring harness |
610 | Earth point (audio), below front of centre console |
B415 | Connection 1 (infotainment CAN bus, high), in main wiring harness |
B421 | Connection 1 (infotainment CAN bus, low), in main wiring harness |
V15 | Connection, in telephone wiring harness |
V22 | Positive connection (30a), in navigation wiring harness |
V34 | Connection (muting), in telephone wiring harness |
V54 | Connection 1 (telephone), in main wiring harness |
* | 16-pin connection is comprised of two 8-pin connectors |
** | Up to December 2003 |
*** | From January 2004 |
Wiring Diagram VW TOUAREG 2003 - Radio - front right loudspeakers - rear left loudspeakers - onboard supply control unit
J519 | Onboard supply control unit |
R | Radio |
R3 | Front right loudspeaker |
R4 | Rear left loudspeaker |
R22 | Front right treble loudspeaker |
R104 | Front right mid-range loudspeaker |
R105 | Rear left mid-range loudspeaker |
T2ba | 2-pin connector, in door |
T2bc | 2-pin connector, in door |
T2bg | 2-pin connector, in door |
T4t | 4-pin connector, left A-pillar coupling station |
T4x | 4-pin connector, left B-pillar coupling station |
T16e | 16-pin connector |
* | 16-pin connection is comprised of two 8-pin connectors |
Wiring Diagram VW TOUAREG 2003 - Radio and front left loudspeaker - CD changer - onboard supply control unit
J519 | Onboard supply control unit |
R | Radio |
R2 | Front left loudspeaker |
R20 | Front left treble loudspeaker |
R41 | CD changer |
R103 | Front left mid-range loudspeaker |
T2bd | 2-pin connector, in door |
T2be | 2-pin connector, in door |
T4s | 4-pin connector, left A-pillar coupling station |
T12e | 12-pin connector |
T12i | 12-pin connector, near CD changer |
T16e | 16-pin connector |
* | 16-pin connection is comprised of two 8-pin connectors |
Wiring Diagram VW TOUAREG 2003 - Radio and CD changer - aerial selection control unit - onboard supply control unit
J515 | Aerial selection control unit |
J519 | Onboard supply control unit |
R | Radio |
R41 | CD changer |
T12e | 12-pin connector |
T12i | 12-pin connector, near CD changer |
249 | Earth connection -2-, in interior wiring harness |
277 | Earth connection -3-, in interior wiring harness |
354 | Earth connection -6-, in dash panel wiring harness |
610 | Earth point (audio), under front of centre console |
Wiring Diagram VW TOUAREG 2003 - Aerial selection control unit - onboard supply control unit - aerials
J515 | Aerial selection control unit |
J519 | Onboard supply control unit |
R11 | Aerial, rear left side window |
R24 | Aerial amplifier |
R93 | Radio aerial 2, rear right side window |
R111 | Aerial amplifier -2- |
R112 | Aerial amplifier -3- |
R113 | Aerial amplifier -4- |
R130 | Rear window aerial -1- |
R131 | Rear window aerial -2- |
SB7 | Fuse -7- on left fuse holder |
T3y | 3-pin connector |
666 | Earth point, rear right on roof |
B321 | Positive connection -7- (30a), in main wiring harness |
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