Fuses and Relays
In general, a fuse can be assigned to various electrical components. Likewise, an electrical
component can be protected by several fuses.
Only replace fuses when the cause of the problem has been solved. If a newly inserted fuse blows after a short time, you must have the electrical system checked by a specialised workshop as soon as possible.
WARNING
The high voltages in the electrical system can give serious electrical shocks, causing burns and even death!
● Never touch the electrical wiring of the ignition system.
● Take care not to cause short circuits in the electrical system.
WARNING
Using unsuitable fuses, repairing fuses or bridging a current circuit without fuses can cause a fire and serious injury.
● Never use a fuse with a higher value. Only replace fuses with a fuse of the same amperage
(same colour and markings) and size.
● Never replace a fuse by a metal strip, staple or similar.
CAUTION
● To prevent damage to the vehicle's electric system, before replacing a fuse always turn off the ignition, the lights and all electrical elements and remove the key from the ignition.
● Protect the fuse boxes when open to prevent the entry of dust or humidity as they can damage the electrical system.
Note
● One component may have more than one fuse.
● Several components may run on a single fuse.
● In the vehicle, there are more fuses than those indicated in this chapter.
Fuses inside the vehicle
Opening and closing the fuse box situated below the dash panel
● Open: remove the fuse box cover in the direction indicated in the Figure above.
● Close: click the cover back into place.
● Open: remove the fuse box cover in the direction indicated in the Figure above.
● Close: click the cover back into place.
Identifying fuses below the Dashboard by colours
Colour .. Amp rating
Black 1
Purple 3
Light brown 5
Brown 7.5
Red 10
Blue 15
Yellow 20
White or transparent 25
Green 30
Orange 40
CAUTION
● Always carefully remove the fuse box covers and refit them correctly to avoid problems with your vehicle.
● Protect the fuse boxes when open to avoid the entry of dust or humidity. Dirt and humidity inside fuse boxes can cause damage to the electrical system.
Engine Compartment Fuse Box
In the engine compartment: fuse box cover |
To open the engine compartment fuse box
● Open the bonnet.
● Press the locking tabs to release the fuse box cover.
● Then lift the cover out.
● To fit the cover, place it on the fuse box.
Push the locking tabs down until they click audibly into place.
Replace a blown fuse
Image of a blown fuse |
Preparations
● Switch off the ignition, lights and all electrical equipment.
● Open the corresponding fuse box .
● Switch off the ignition, lights and all electrical equipment.
● Open the corresponding fuse box .
Recognise a blown fuse
A fuse is blown if its metal strip is ruptured
● Point a lamp at the fuse to see if it has blown.
A fuse is blown if its metal strip is ruptured
● Point a lamp at the fuse to see if it has blown.
To replace a fuse
● Remove the fuse.
● Replace the blown fuse by one with an identical amperage rating (same colour and markings) and identical size.
● Replace the cover again or close the fuse box lid.
Fuse placement
Only replace fuses with a fuse of the same amperage (same colour and markings) and size.
Fuses in the vehicle interior
No. ... Consumer .. Amps
1 Tow hook 20
1 Tow hook 20
2 Cigarette lighter/12V power point 20 (2018 - 2020 Models)
3 Sound amplifier 30
4 Cigarette lighter/12V power point 20 (2021 Model)
5 Panoramic roof 30
6 Central locking 40
8 Heating fan/Climatronic 30
10 Tow hook 25
11 CNG Gauge 7.5
13 Lights switch, steering column LSS and SMLS, diagnostic port, rain/light sensor 7.5
14 Steering Column LSS: wiper control 10
15 Kombi, Emergency call (+ NZ4) 7.5
16 Right lights power supply 40
17 Right Door Window Control 30
18 Windscreen wipers 30
19 Radio, Multimedia System 25
20 Heated rear window 30
21 SCR Control Unit 30
23 Rear View Camera 7.5
24 Connectivity Box, connection for external audio sources (Double USB), MIB display 5
25 Steering column electronics (MFL) 7.5
26 Gateway 7.5
27 Active suspension control unit 7.5
28 DWA Sensor 7.5
29 DWA Horn 7.5
31 9AA/9AB climate control unit 7.5 ; 9AK Climatronic control unit 15
32 Steering Column LSS, without Kessy 7.5
33 Left Door Window Control 30
35 Left lights power supply 40
36 Signal Horn 20
37 Heated seats control unit 30
38 BCM Power C63 30
39 BSD, PDC, MRR, PLA 10
40 Light switch, diagnosis input, headlamp range regulator, LSS steering column: lamps, halogen lamps, switch, reverse gear, electrochromic mirror, RKA without radio. 7.5
41 Regulation of unfolded exterior mirrors, 7.5
42 Clutch pedal, ignition relays, CNG relay coil, AC pressure sensor 7.5
43 DWP relay coil, rear window wiper motor 15
44 Airbag 7.5
45 Left full LED headlight 7.5
46 Right full LED headlight 7.5
48 Steering column lock, Kessy Control Unit 7.5
49 SCR relay 7.5
53 Automatic gearbox lever, ZSS 7.5
58 Windscreen washer pump 7.5
59 Heated rear view mirrors 10
60 Tow hook 30
61 Tow hook 30
3 Sound amplifier 30
4 Cigarette lighter/12V power point 20 (2021 Model)
5 Panoramic roof 30
6 Central locking 40
8 Heating fan/Climatronic 30
10 Tow hook 25
11 CNG Gauge 7.5
13 Lights switch, steering column LSS and SMLS, diagnostic port, rain/light sensor 7.5
14 Steering Column LSS: wiper control 10
15 Kombi, Emergency call (+ NZ4) 7.5
16 Right lights power supply 40
17 Right Door Window Control 30
18 Windscreen wipers 30
19 Radio, Multimedia System 25
20 Heated rear window 30
21 SCR Control Unit 30
23 Rear View Camera 7.5
24 Connectivity Box, connection for external audio sources (Double USB), MIB display 5
25 Steering column electronics (MFL) 7.5
26 Gateway 7.5
27 Active suspension control unit 7.5
28 DWA Sensor 7.5
29 DWA Horn 7.5
31 9AA/9AB climate control unit 7.5 ; 9AK Climatronic control unit 15
32 Steering Column LSS, without Kessy 7.5
33 Left Door Window Control 30
35 Left lights power supply 40
36 Signal Horn 20
37 Heated seats control unit 30
38 BCM Power C63 30
39 BSD, PDC, MRR, PLA 10
40 Light switch, diagnosis input, headlamp range regulator, LSS steering column: lamps, halogen lamps, switch, reverse gear, electrochromic mirror, RKA without radio. 7.5
41 Regulation of unfolded exterior mirrors, 7.5
42 Clutch pedal, ignition relays, CNG relay coil, AC pressure sensor 7.5
43 DWP relay coil, rear window wiper motor 15
44 Airbag 7.5
45 Left full LED headlight 7.5
46 Right full LED headlight 7.5
48 Steering column lock, Kessy Control Unit 7.5
49 SCR relay 7.5
53 Automatic gearbox lever, ZSS 7.5
58 Windscreen washer pump 7.5
59 Heated rear view mirrors 10
60 Tow hook 30
61 Tow hook 30
Fuse arrangement in engine compartment
No. .. Consumer ... Amps
1 MPI Engine Injection Module 10 ; TSI Engine Injection Module 15 ; Diesel Engine Injection Module 30 (2017 Model - Engine injection module 30)
2 Fuel metering valve (TJ4/T6P/TJ7), Low temperature coolant pump (TJ4/T6P/TJ7); Oil pressure regulating valve (TJ1), AGR coolant valve (TJ1), High and low pressure water pumps (TJ1), SCR relay coil, cylinder head water valve 7.5
3 Lambda probes 15
4 Engine petrol pump relay (MPI), Gauge control unit (TSI and diesel) 15
5 Electric fan (EC), LDR valve, cannister and variable distribution valve, oil pressure regulating valve, cylinder disconnection valves, WIV sensor and CNG pressure regulator 10
6 Spark plugs (MPI and TSI) 20 ; Glow plug relay, Suction hose resistor (diesel) 7.5
7 Vacuum pump (TSI, CNG) 15
8 Injectors and EKP relay coil (MPI), Fuel metering valve (diesel) 10
9 Servo sensor 7.5
10 Vref Battery: Gateway, BDM and BCM 7.5
12 Detachable compressor 10
14 ESC, Relay 87 coil and engine controller of engines (+ TJ1 / TJ4 / TH4 / T5I / T6P / TJ7 / TC5 / T5Y). 7.5
15 Automatic gearbox DQ200 and AQ160 30
17 50 Diag 7.5
18 BDM starter motor 30
20 ESC (Pump) 60 ; ABS (Pump) 40
21 ESC/ ABS (Valves) 25
24 TH4 Electric fan without A/C for moderate climate countries 30
25 TH4 fan with A/C or T5I for moderate climate countries 20 ; PTC1 40
26 TJ1/TJ4/TJ7/T6P or TH4/T5I Electric fan for warm climate countries 50
27 TH4 fan with A/C or T5I for moderate climate countries 30 ; PTC2 40
28 PTC3 40
Note
● In the vehicle, there are more fuses than those indicated in this chapter. These should only be changed by a specialised workshop.
● Positions not containing a fuse do not appear in the following tables.
● Some of the equipment listed in the tables below pertain only to certain versions of the model or are optional extras.
● Please note that the above lists, while correct at the time of printing, are subject to change.
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