Fuses and relays Volkswagen Tiguan 2, 2016 - 2021

The 2nd generation Volkswagen Tiguan was produced in 2016, 2017, 2018, 2019, 2020, 2021 and up to the present with both gasoline and diesel engines. In this material you will find a description of fuses and relays of the 2nd generation Volkswagen Tiguan with block diagrams and their locations. Note the fuse responsible for the cigarette lighter.

The purpose of fuses and relays in units may differ from that shown and depends on the year of manufacture, the level of electrical equipment and the region of delivery.

In the passenger compartment


Fuse box is located under the dashboard behind a protective cover.


Photo - example.

Diagram
Amps / Description
1 30A Reducing agent heating control unit J891
2 10A Steering column control unit J527 6)
3 Reserve
4 Reserve
5 7.5A Data bus diagnostic interface J533
6 7,5А Selector E313
7
  • 10A Heater / air conditioner control unit EX21
  • Heater control unit J65
  • Climatronic control unit J255
  • Air conditioner control unit J301
  • Rear air conditioner control and display unit E265
  • Radio signal receiver for auxiliary water heater R149
  • Heated rear window relay J9
  • Tire pressure monitor control unit J502
8
  • 7.5A Rotary light switch EX1
  • Electromechanical parking brake button E538
  • Rain and light sensor G397
  • Diagnostic connection U31
  • Travel profile selector E881
  • Intrusion alarm sensor G578
  • Roof lighting 1, roof light L235
  • Control unit for adaptive lighting and headlight range control J745
  • Light 2, roof profile lighting L236
9 7.5A Steering column control unit J527
10 7.5A Display, front control, display and information display J685
Control unit for head-up display J898
11 40A Onboard supply control unit J519
12 20A Information electronics control unit 1 J794
Navigation control unit J856
13 25A Front left seat belt pretensioner control unit J854
14 40A Fresh air blower control unit J126
15 10A Electronic steering column lock control unit J764
16
  • 7.5A TV tuner RX6 Control unit for information electronics 1 J794
  • 2 band amplifier for mobile communication J984
  • Storage compartment with mobile phone interface R265
  • Card reader D8
  • USB hub R293
17
  • 7.5A Dash panel insert KX2
  • Control unit in dash panel insert J285
  • Control unit for emergency call module and communication unit J949
18 7.5A Around view control unit J928
19 7.5A Entry and start authorization interface J965
20
  • 7.5 / 10А Relay for reducing agent dosing system J963
  • Supply module for reducing agent dosing system GX19
21 15A All-wheel drive control unit J492
22 15A Trailer detector control unit J345
23
  • 20A Sliding sunroof control unit J245
  • Sunroof blind control unit J394
24 40A Onboard supply control unit J519
25
  • 30A Driver or passenger door control unit J386
  • Rear left or right motorized window lifter motor V26
26 30A Onboard supply control unit J519
27 30A Onboard supply control unit J519
28 25A Trailer detector control unit J345
29 Reserve
30 Reserve
31 40A Onboard supply control unit J519
32
  • 7.5 / 10A Front camera for driver assistance systems R242
  • Adaptive cruise control control unit J428 
  • Parking aid control unit J446 7) 
  • Lane change assist control unit J769 
  • Control unit 2 for lane change assist J770
  • Control unit for park assist steering J791 7)
33 7.5A Airbag control unit J234
Control lamp off front passenger airbags K145
34
  • 7.5A Rotary light switch EX1
  • Interior rearview mirror EX5
  • Socket relay J807
  • Switch for reversing lights F4
  • Pressure sensor in the air conditioning circuit G805
  • Air pollution sensor G238
  • Button for electromechanical parking brake E538
  • Button for disabling ASR and electronic stability control E256
35
  • 7.5A Diagnostic connector U31
  • Headlight range control E102 
  • Headlamp leveling and instrument lighting control EX14
  • Left headlight range control motor V48
  • Right headlight range control motor V49
  • Left front headlight MX1 Front right headlight MX2
36 7,5 / 10A Headlamp front right MX2
37 7.5 / 10A Headlight front left MX1
38 25A Trailer detector control unit J345
39
  • 30A Driver or passenger door control unit J386
  • Rear left or right motorized window lifter motor V26
40 20A Sockets 12V Cigarette Lighter
41
  • 25A Front right seat belt pretensioner control unit J855
  • Front left seat belt pretensioner control unit J854
42 40A Onboard supply control unit J519
43 30A Digital audio control unit J525
44 15A Trailer detector control unit J345
45 15A Driver's seat adjustment control unit J810
46 30A Inverter with socket, 12 V - 230 V U13
47 15A Rear window wiper motor V12
48 Reserve
49 7.5A Clutch pedal position sender
G476 Starter relay 1 J906
50 40A Tailgate control unit J605
51 25A Rear air conditioner control and display panel E265
52 15A Electronic damping control unit J250
53 30A Heated rear window relay J9

The fuse number 40, 20A, is responsible for the cigarette lighter.

Relay designation

  • R1 Relay for reducing agent dosing system J963
  • R2 Relay for electromagnetic clutch J44
  • R3 Reserve
  • R4 Terminal 15 power supply relay J329
  • R5 Heated rear window relay J9
  • R6 Socket relay J807

Separately, at the bottom of this unit are the S46 15 A thermal fuse for the front passenger seat adjustment and the S356 USB charging socket fuse with a rating of 7.5 A.

In the engine compartment

Fuse box


Located on the left side of the engine compartment.


Photo - example.

Diagram
Amps / Description
SB1 25A ABS control unit J104
SB2 40 / 60A ABS control unit J104
SB3 15 / 30A Engine control unit J623
SB4
  • 5 / 10A Oil level and oil temperature sender G266
  • Radiator fan control unit J293
  • Relay for reducing agent dosage J963  2)
  • Canister solenoid valve 1 N80  1)
  • Control valve for piston cooling nozzles N522  6)
  • Bypass valve for turbocharger N249  6)
  • Intake flap valve N316 6)
  • Intake camshaft adjuster valve 1 N205  1)
  • Exhaust camshaft adjuster valve 1 N318  1)
  • Oil pressure regulating valve N428  1)
  • Cylinder head coolant valve N489  1)
  • High heat output relay J360  2)
  • Exhaust gas recirculation cooler changeover valve N345  2)
  • Low heat output relay J359 2)
  • Charge pressure control solenoid valve N75 2)
SB5
  • 10A Fuel pressure regulator N276 2)
  • Fuel metering valve N290 2)
  • Relay for power supply for engine electronics J757
  • Secondary air supply system GX24 6) Exhaust
  • cam adjuster
SB6 5A Brake light switch F
SB7
  • 7.5 / 10 / 15A Heating circulation pump V488 2), 6)
  • Exhaust gas flap unit J883 1), 4)
  • Fuel metering valve N290 4), 7)
  • Circulation pump V55 7)
  • Coolant shut-off valve N82 6)
  • Coolant circuit valve gearbox N488 Coolant
  • circulation pump V50
  • High-temperature coolant
  • pump V467 Blower air cooling pump V188
  • Fuel pressure regulator N276 1)
  • Oil pressure regulating valve N428 2)
  • Cylinder head coolant valve N489
SB8
  • 10 / 15A Lambdasonde 1 before catalytic converter GX10
  • Lambdasonde heater Z19
  • Lambdasonde 1 after catalytic converter GX7
  • Lambdasonde 1 heater after catalytic converter Z29
  • NOx sensor G295
SB9
  • 5/10 / 20A Heating circulation pump V488
  • Canister solenoid valve 1 N80 1)
  • Inlet camshaft adjuster valve 1 N205
  • Exhaust camshaft adjuster valve 1 N318
  • Air mass meter G70 2)
  • Glow plug control unit J179 2)
  • Ignition coil
SB10 15 / 20A Fuel pump control unit J538
SB11 40A Heating element for additional air heater Z35
SB12 40A Heating element for additional air heater Z35
SB13 15A DSG mechatronic unit J743
SB14 40A Relay for heated windscreen J47
SB15 15A Horn relay J413
SB16 20A Relay for power supply of electronic components of the engine J757
SB17 7.5A Main relay J271 1)
Terminal 30 voltage supply relay J317 2)
Engine control unit J623
ABS control unit J104
Heated windscreen relay J47
SB18 5A Control unit for battery monitoring J367
Data bus diagnostic interface J533
SB19 30A Wiper motor V
SB20 10A Alarm siren H12
SB21 30A Relay 2 for heated windscreen J611
SB22 5A Engine control unit J623
SB23 30A Starter B
SB24 40A Heating element for additional air heater Z35
SB25 Reserve
SB26 Reserve
SB27 Reserve
SB28 Reserve
SB29 Reserve
SB30 Reserve
SB31 Reserve
SB32 Reserve
SB33 15A DSG mechatronic unit J743
SB34 Reserve
SB35 30A Wiper motor
SB36 Reserve
SB37 20A Additional heater control unit J364
SB38 Rererv

Relay decoding:

  • R1 Starter relay 1 J906
  • R2 Starter relay 2 J907
  • R3 Horn relay J413
  • R4 Relay for high heating power J360 (only for vehicles with diesel engine)
  • R4 Secondary air pump relay J299 (only for models with 2.0 l petrol engine)
  • R5 Main relay J271 (only for vehicles with petrol engine) / R5 Relay for power supply terminal 30 J317 (only for vehicles with diesel engine)
  • R6 Glow plug control unit J179 (only for models with diesel engine)
  • R7 Relay for low heating output J359 (only for vehicles with diesel engine)
  • R8 Relay for power supply of electronic components of the engine J757 (only for vehicles with a 2.0 l petrol engine)
  • R9 Heated windscreen relay J47 (only for models with heated windscreen (4GX))
  • R10 Relay 2 for heated windscreen J611

Power fuse panel


Description

  • SA1 - 125A Power supply for fuses
  • SA2 - 400A Generator with voltage regulator
  • SA3 - 80A Power steering control unit
  • SA4 - 80A Power supply for fuses
  • SA5 - 50A Radiator fan

The battery pack cover may also contain a high power fuse.

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