Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Electrical system - Edition 11.2018
97 – Wiring
1
Relay carriers, fuse holders, elec‐
tronics boxes
⇒ “1.2 Removing and installing electronics box (E-box)”,
page 285
⇒ “1.3 Removing and installing relay and fuse holder in electronics
box”, page 287
⇒ “1.4 Removing and installing relay and fuse carrier behind dash
panel”, page 289
⇒ “1.5 Removing and installing main fuse carrier”, page 291
1.1
Overview of fitting locations - relay car‐
riers, fuse holders, E-boxes
⇒ “1.1.2 Relay carrier, fuse carrier in dash panel/A-pillar, LHD
vehicles”, page 283
⇒ “1.1.3 Relay carrier, fuse carrier in dash panel/A-pillar, RHD
vehicles”, page 284
⇒ “1.1.4 Main fuse carrier on battery; battery in luggage compart‐
ment”, page 284
1.1.1
Relay carriers, fuse carriers, electronics box (engine compartment)
1. Relay carriers, fuse holders, electronics boxes
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Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Electrical system - Edition 11.2018
1 - Front cover
❑ For electronics box in
engine compartment.
2 - Nut
❑ 9 Nm
3 - Nut
❑ 9 Nm
4 - Wire
❑ For radiator fan
❑ 4.5 Nm
5 - Wire
❑ For terminal 30
❑ 4.5 Nm
6 - Wire
❑ For electromechanical
power steering
❑ 4.5 Nm
7 - Wire
❑ For battery B+
❑ 6 Nm
8 - Wire
❑ For terminal 30
❑ 4.5 Nm
9 - Wire
❑ For alternator
❑ 6 Nm
10 - Fuse holder A - SA-
❑ Removing and installing
⇒ page 288
11 - Fuse holder
❑ Removing and installing ⇒ page 288
12 - Cover
❑ For electronics box in engine compartment.
13 - Relay and fuse holder B - SB-
❑ With connecting bar for fuse holder A
❑ Removing and installing ⇒ page 287
14 - Wire
❑ 6 Nm
15 - Bracket
❑ For engine control unit
16 - Electronics box in engine compartment
❑ Removing and installing ⇒ page 285
282
Rep. gr.97 - Wiring
Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Electrical system - Edition 11.2018
1.1.2
Relay carrier, fuse carrier in dash panel/A-pillar, LHD vehicles
Note
The vehicle shown in the illustration may differ from the actual vehicle.
1 - Bracket
❑ For parking aid control
unit - J446- / park assist
steering control unit -
J791-
❑ Removing and installing
⇒ page 307
2 - Bracket
❑ For onboard supply con‐
trol unit - J519-
❑ Removing and installing
⇒ page 305
3 - Fuse holder C - SC-
❑ Removing and installing
⇒ page 289
4 - Bolt
❑ Qty. 3
❑ 4.5 Nm
1. Relay carriers, fuse holders, electronics boxes
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Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Electrical system - Edition 11.2018
1.1.3
Relay carrier, fuse carrier in dash panel/A-pillar, RHD vehicles
Note
The vehicle shown in the illustration may differ from the actual vehicle.
1 - Bracket
❑ For onboard supply con‐
trol unit - J519-
❑ Removing and installing
⇒ page 306
2 - Fuse holder C - SC-
❑ Removing and installing
⇒ page 289
3 - Bolts
❑ Qty. 3
❑ 4.5 Nm
1.1.4
Main fuse carrier on battery; battery in
luggage compartment
The main fuse carrier is located in the rear centre of the luggage
compartment on the positive battery terminal.
284
Rep. gr.97 - Wiring
Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Electrical system - Edition 11.2018
The fuse holder D - SD- and the positive battery terminal clamp
are integrated in the main fuse carrier.
1 - Wire, 7.5 Nm
2 - Nut, 7.5 Nm
3 - Nut, 7.5 Nm
4 - Removing and installing fuse holder D - SD- ⇒ page 291
5 - Wire, 7.5 Nm
6 - Wire, 7.5 Nm
7 - Bolt, 2.5 Nm
8 - Positive cable to battery positive tap in engine compartment,
15 Nm
9 - Battery isolation igniter - N253- , ⇒ General body repairs,
interior; Rep. gr. 69 ; Battery isolation igniter; Assembly
overview - battery isolation igniter
1.2
Removing and installing electronics box
(E-box)
Special tools and workshop equipment required
♦ Torque wrench - V.A.G 1410-
Removing
– With ignition switched off, disconnect earth cable from battery
⇒ page 14 .
– Remove engine control unit, and lay it to one side with con‐
nectors attached ⇒ Rep. gr. 23 ; Engine control unit; Remov‐
ing and installing engine control unit - J623- or ⇒ Rep. gr. 24 ;
Engine control unit; Removing and installing engine control
unit - J623- .
– Press release buttons -arrows-.
– Remove cover -1-.
1. Relay carriers, fuse holders, electronics boxes
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Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Electrical system - Edition 11.2018
– Using screwdriver, release retaining tab -2-.
– Pull off cover -1- in direction of -arrow-.
– Cut through cable tie (bottom) on wiring harness.
– Release fasteners -1, 2, 4- -arrow-.
– Remove fuse holder B -3-, and lay it to one side.
– Remove nuts -arrows-
– Remove bracket for engine control unit -1-.
– Release retaining tab -3-.
– Detach electronics box in engine compartment -2- from studs.
– Lift out engine compartment electronics box -2-.
Installing
Install in reverse order of removal.
Specified torques
♦ ⇒ “1.1 Overview of fitting locations - relay carriers, fuse hold‐
ers, E-boxes”, page 281
286
Rep. gr.97 - Wiring
Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Electrical system - Edition 11.2018
1.3
Removing and installing relay and fuse
holder in electronics box
⇒ “1.3.2 Removing and installing fuse holder A SA ”, page 288
1.3.1
Removing and installing fuse holder B -
SB-
Special tools and workshop equipment required
♦ Torque wrench - V.A.G 1410-
Removing
– With ignition switched off, disconnect earth cable from battery
⇒ page 14 .
– Press release buttons -arrow-.
– Remove cover -1-.
– Using screwdriver, release retaining tab -2-.
– Pull off front cover -1- in direction of -arrow-.
1. Relay carriers, fuse holders, electronics boxes
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Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Electrical system - Edition 11.2018
– Mark allocation of electrical wiring at threaded connections for
reinstallation.
– Unscrew nuts -1, 2, 4, 5, 6-.
– Unscrew bolt -3-.
– Lay aside electrical wiring -arrow-.
– Cut through cable tie (bottom) on wiring harness.
– Release fasteners -1, 2, 4- -arrow-.
– Remove fuse holder B -3-, and lay it to one side.
Installing
Install in the reverse order of removal, observing the following:
– Fit and secure electrical wiring to fuse holder A according to
markings made earlier.
Specified torques
♦ ⇒ “1.1 Overview of fitting locations - relay carriers, fuse hold‐
ers, E-boxes”, page 281
1.3.2
Removing and installing fuse holder A -
SA-
Removing
– Remove fuse holder B ⇒ page 287 .
– Remove securing bar -4- upwards from fuse holder B -3-.
– Release retaining tab -1- in direction of -arrow-.
– Remove fuse holder A -2- downwards from fuse holder B -3-.
Installing
Install in reverse order of removal.
288
Rep. gr.97 - Wiring
Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Electrical system - Edition 11.2018
1.4
Removing and installing relay and fuse
carrier behind dash panel
1.4.1
Removing and installing relay and fuse
carrier behind dash panel, LHD vehicles
Removing
– With ignition switched off, disconnect earth cable from battery
⇒ page 14 .
– Remove dash panel ⇒ General body repairs, interior; Rep. gr.
70 ; Dash panel; Removing and installing dash panel .
– Release retaining tab -2- and -4- in direction of -arrows A-.
– Pull out fuse holder C - SC- -3- from bracket -1- in direction of
-arrow B-.
– Disconnect electrical wiring.
Note
♦ The exact assignment should be gleaned from the latest cur‐
rent flow diagram ⇒ Current flow diagrams, Electrical fault
finding and Fitting locations.
♦ Take photographs of the assignment, if necessary.
Installing
Install in reverse order of removal.
1.4.2
Removing and installing relay and fuse
carrier behind dash panel, RHD vehicles
Removing
– With ignition switched off, disconnect earth cable from battery
⇒ page 14 .
– Remove dash panel ⇒ General body repairs, interior; Rep. gr.
70 ; Dash panel; Removing and installing dash panel .
1. Relay carriers, fuse holders, electronics boxes
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Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Electrical system - Edition 11.2018
Note
♦ The exact assignment should be gleaned from the latest current flow diagram ⇒ Current flow diagrams,
Electrical fault finding and Fitting locations.
♦ Take photographs of the assignment, if necessary.
– Press locking element -5- on both sides and pull it in direction
of -arrow C-.
– Separate electrical connector -4- in direction of -arrow C-.
– Release retaining tab -1- in direction of -arrow A-.
– Release retaining tab -2- in direction of -arrow B-.
– Release retaining tab -3- in direction of -arrow C-.
– Pull out fuse holder C - SC- backwards from bracket in direc‐
tion of -arrow D-.
– Disconnect electrical wiring.
Installing
Install in reverse order of removal.
290
Rep. gr.97 - Wiring
Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Electrical system - Edition 11.2018
1.5
Removing and installing main fuse car‐
rier
Special tools and workshop equipment required
♦ Torque wrench - V.A.G 1410-
♦ Torque screwdriver - VAS 6494-
The main fuse carrier is located in the rear centre of the luggage
compartment on the positive battery terminal.
The fuse holder D - SD- and the positive battery terminal clamp
are integrated in the main fuse carrier.
Removing
– With ignition switched off, disconnect earth cable from battery
⇒ page 16 .
– Loosen nut -1- of battery clamp on positive battery terminal by
several turns.
– Release retaining spring -3-, and open cover -2- of main fuse
carrier -arrow-.
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Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Electrical system - Edition 11.2018
– Unbolt wires -1, 5, 6, 7, 8-.
– Remove battery isolation igniter - N253- -9- ⇒ General body
repairs, interior; Rep. gr. 69 ; Battery isolation igniter; Remov‐
ing and installing battery isolation igniter .
– Pull battery clamp with main fuse carrier -4- off positive battery
terminal, and remove it.
Installing
Install in reverse order of removal.
Specified torques
♦ ⇒ “1.1.4 Main fuse carrier on battery; battery in luggage com‐
partment”, page 284
292
Rep. gr.97 - Wiring

2024 VW Tiguan Owner's Manual