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Touran Touran Touran Touran No. 174 / 1 No. 174 / 1 No. 174 / 1 No. 174 / 1

This document is a 3-page current flow diagram for a Touran vehicle. It provides information on the terminal 15 voltage supply relay 2 and its connections to various components, including the battery, starter, onboard supply control unit, and fuse holders. It also details the trailer detector control unit, electric socket for trailer coupling, and its connections to components like the brake light switch, trailer detector control unit, onboard supply control unit, and various connectors and earth points. Wire colors are defined at the bottom of each page.

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Ion Olteanu
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770 views3 pages

Touran Touran Touran Touran No. 174 / 1 No. 174 / 1 No. 174 / 1 No. 174 / 1

This document is a 3-page current flow diagram for a Touran vehicle. It provides information on the terminal 15 voltage supply relay 2 and its connections to various components, including the battery, starter, onboard supply control unit, and fuse holders. It also details the trailer detector control unit, electric socket for trailer coupling, and its connections to components like the brake light switch, trailer detector control unit, onboard supply control unit, and various connectors and earth points. Wire colors are defined at the bottom of each page.

Uploaded by

Ion Olteanu
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
You are on page 1/ 3

WI-XML Page 1 of 3

Touran Current Flow Diagram No.  174 / 1


Edition 06.2008

Trailer coupling
From May 2008
Notes:
For information concerning

 Relay and fuse assignment


 Multi-pin connectors
 Control units and relays
 Earth points

→ Overview of Fitting Locations!

For information concerning


 Fault Finding Programs

→ Guided Fault Finding


WI-XML Page 2 of 3

Touran Current Flow Diagram No.  174 / 2


Terminal 15 voltage supply relay 2
A - Battery
B - Starter
J519 - Onboard supply control unit
J681 - Terminal 15 voltage supply relay 2
J682 - Terminal 50 voltage supply relay
SA7 - Fuse 7 on fuse holder A
SB7 - Fuse 7 on fuse holder B
SC12 - Fuse 12 on fuse holder C
SC40 - Fuse 40 on fuse holder C
SC41 - Fuse 41 on fuse holder C
SC42 - Fuse 42 on fuse holder C
T40 - 40-pin connector
- Screw connection (30) on E-box
508

- Positive connection 6 (15a) in dash panel wiring harness


A201

- Positive connection 1 (15), in interior wiring harness


B163

- Positive connection (30), in engine compartment wiring


D50
ws = white harness
sw = black
ro = red
rt = red
br = brown
gn = green
bl = blue
gr = grey
li = purple
vi = purple
ge = yellow
or = orange
rs = pink
WI-XML Page 3 of 3

Touran Current Flow Diagram No.  174 / 3


Trailer detector control unit, electric socket for trailer coupling
F - Brake light switch
J345 - Trailer detector control unit, in rear left side panel
J519 - Onboard supply control unit
J533 - Data bus diagnosis interface
T4bc - 4-pin connector
T13 - 13-pin connector
T12u - 12-pin connector
T16i - 16-pin connector
T20 - 20-pin connector
U10 - Trailer socket
- Earth connection 10, in main wiring harness
375

- Earth point, on left D-pillar


653

- Positive connection 6 (15a) in dash panel wiring harness


A201

- Connection (54), in interior wiring harness


B131

- Connection 1 (convenience CAN bus, high), in main wiring


ws = white B397
harness
sw = black
ro = red - Connection 1 (convenience CAN bus, low), in main wiring
rt = red B406
harness
br = brown
gn = green
bl = blue
gr = grey
li = purple
vi = purple
ge = yellow
or = orange
rs = pink

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