Get Vehicle care -> Electrical system Guide for Vauxhall Astra 4 Door Seventh Generation (2016-2021)

238

Vehicle care

5. Remove and replace the bulb:

Reverse light (1)

Depending on the version, tail lights

are designed as LEDs. In case of

failure, have LEDs replaced by a

workshop.

Tail light (2)

Rear fog light (3) (left side)

6. Insert the bulb carrier into the tail

Side turn lights

light assembly.

To replace bulb, remove lamp

housing:

2. Turn bulb holder anticlockwise

and remove from housing.

7. On version with LED tail lights

only reverse light bulb can be

replaced: remove bulb holder in

the light assembly by turning.

Replace bulb in the bulb holder.

1. Slide the lamp housing forward

and remove it at the back.

8. Fit light assembly on the tailgate

and tighten the securing nut from

the inside. Attach cover.

3. Pull bulb from bulb holder and

replace it.

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239

4. Insert bulb holder and turn

clockwise.

4. Pull bulb from bulb holder and

replace it.

5. Insert left end of the lamp, slide to

5. Insert bulb holder into lamp

the left and insert right end.

housing and turn clockwise.

6. Insert lamp into bumper and let

engage.

Some versions have LED number

plate lights. In case of defective

LEDs, have them replaced by a

workshop.

Number plate light

Interior lights

2. Remove lamp downwards, taking

care not to pull on the cable.

Have the following bulbs replaced by

a workshop:

3. Remove bulb holder from lamp

housing by turning anticlockwise.

●

courtesy light, reading lights

load compartment light

instrument panel illumination

1. Insert screwdriver in recess of the

cover, press to the side and

release spring.

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Vehicle care

Fuse extractor

Electrical system

A fuse extractor may be located in the

fuse box in the engine compartment.

The extractor has two sides, each

side is designed for a different type of

fuses.

Fuses

Data on the replacement fuse must

match the data on the defective fuse.

There are three fuse boxes in the

vehicle:

●

engine compartment

instrument panel

load compartment

Before replacing a fuse, turn off the

Grab the fuse with the fuse extractor

and withdraw the fuse.

respective switch and the ignition.

A blown fuse can be recognized by its

melted wire.

Caution

Do not replace the fuse until the

cause of the fault has been

remedied.

Some functions are protected by

several fuses.

Fuses may also be inserted without

existence of a function.

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241

No. Circuit

Engine compartment fuse

box

1

2

3

4

5

6

7

Starter

Exhaust sensor

Engine control module

Engine functions / Aeroshutter

Transmission control module

Forward collision alert / Adap‐

tive Cruise Control

8

9

Engine control module

Climate control system

The fuse box is in the front left of the

engine compartment.

Disengage the cover and remove it.

10 Diesel exhaust system

11 Tailgate locking system / Trans‐

mission

12 Seat lumbar massage

13 After boil pump / Diesel Exhaust

system

14 Diesel exhaust system

15 Exhaust sensor

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Vehicle care

No. Circuit

16 Fuel injection

32 DC transformer / LED display /

Electrical heater / Climate

45 LED headlight left / Automatic

headlight range adjustment left

17 Fuel injection

control / Glow plug controller

46 Instrument cluster

47 Steering column lock

48 Rear wiper

18 Diesel exhaust system

33

–

19

20

21

–

34 Horn

35 Engine control module

49 Outside rearview mirror

36 Right high beam (Halogen, Eco

LED) / Right low beam (LED)

50 LED headlight right / Automatic

headlight range adjustment

right

22 ABS

37 Left high beam (Halogen, Eco

LED)

23 Washer system for windscreen

and rear window

51 Left low beam (LED)

38 LED headlight / Automatic

headlight range adjustment

24

–

52 Engine control module / Trans‐

mission control module

25 Diesel fuel heating

39 Front fog light

53 Windscreen wiper

54 Windscreen wiper

55 Diesel Exhaust system

26 Transmission control module

27 Power tailgate module

40 Central Gateway Module

41

–

28

–

42 Manual headlight range adjust‐

ment

56

57

–

29 Heated rear window

30 Mirror defrost

43 Fuel pump

31

–

After having changed defective fuses,

close the fuse box cover and press

until it engages.

44 Rear view camera / Inside rear

view mirror / Trailer module

Vehicle care

243

If the fuse box cover is not closed

correctly, malfunction may occur.

No. Circuit

1

Rear seat heating (only for vehi‐

cles without alarm horn)

Instrument panel fuse box

2

3

4

5

6

7

8

9

Climate control system / fan

Power seat driver side

Power seat passenger side

ABS

The fuse box is located behind a

cover.

Power window front

–

Heated steering wheel

Body control module 8

10 Power window rear

11 Sunroof

Pull the cover on the left side to

remove.

12 Body control module 6

13 Seat heating (only on vehicles

without alarm horn)

14 Exterior mirror

15 Body control module 1

16 Body control module 7

244

Vehicle care

2. Fold the left side of the cover

forwards. Take care that the

securing clamp is guided as

shown in the illustration.

No. Circuit

17 Body control module 4

18 Body control module 3

19 Data link connector

33 Anti-theft alarm system / Power

sounder

34 Parking assist / Side blind spot

alert / Infotainment system /

USB socket

Load compartment fuse box

20 Airbag system

The fuse box is located on the left side

of the load compartment behind a

cover.

35 SOS

21 Climate control system

22 Central locking system / tailgate

23 Electronic key system

24 Power seat memory function

25 Airbag system steering wheel

36 Info Display / Instrument cluster

37 Infotainment system / radio

After having changed defective fuses,

close the fuse box cover:

1. Apply the cover on the right side.

26 Ignition switch / Steering

column lock

27 Body control module 2

28 USB socket

29 Cigarette lighter / Power outlet

front

Remove the cover.

30 Selector lever

31 Rear window wiper

32 Transmission control module

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245

No. Circuit

1

2

3

4

5

6

7

8

9

10

–

Trailer module

–

Disengage the fuse box cover and

remove it.

11 Amplifier

12 Front seat heating (on vehicles

with alarm horn)

13 Rear seat heating (on vehicles

with alarm horn)

14 Ignition

15 Seat ventilation

16 Trailer outlet

246

Vehicle care

No. Circuit

Vehicle tools

Tools

5-door hatchback with spare

wheel

17 Trailer outlet

1

2

3

Engine control module

18

19

20

–

Fuel pump

Power supply

Open the floor cover of the load

compartment 3 81.

21 Electrical rear seat folding

22

–

After having changed defective fuses,

close the fuse box cover and press

until it engages.

Additional fuses are located near the

vehicle battery.

The jack, the towing eye and the tools

are located in the tool box below the

spare wheel.

Spare wheel 3 258.

Vehicle care -> Electrical system for Your Vauxhall Astra 4 Door Seventh Generation (2016-2021)

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