2003–2009 Volkswagen Golf and Volkswagen Rabbit

15.02.2017 (US:02.15.17), Category: Volkswagen / Golf

Location of the Fuse Blocks

Volkswagen Golf (2003–2009) Location of the Fuse Blocks
  1. Engine compartment fuse box
  2. Relay carrier on onboard supply control unit (left under dash panel)
  3. The instrument panel fuse panel
  4. Additional relay carrier, under box in engine compartment

The instrument panel fuse panel

Volkswagen Golf (2003–2009) Scheme of the Fuse Panel


Fuses Specifications
No. A Description
1 10 Diagnostic connection
Engine control unit 
Engine component current supply relay (May 2005→) 
Fuel pump control unit (May 2005→) 
Relay for auxiliary heater operation (2006→) 
Heater element for crankcase breather (2006→) 
Air mass meter (2006→) 
Control unit for headlight range control (2006)→
2 5 ABS control unit 
Traction control system switch 
TCS and ESP button
Tyre pressure monitor display button 
Brake light switch (E-Box Low; November 2005→)
10 November 2005→: Brake pedal switch
10 2006→:
   Engine control unit 
   Right headlight range control motor
   Left headlight range control motor
   Headlight range control regulator
   Fuel pump control unit
   Trailer detector control unit 
   Selector lever sensors control unit
   Data bus diagnostic interface
   Control unit in dash panel insert
   Power steering control unit
   ABS with EDL control unit
   Traction control system switch
   TCS and ESP button
   Brake pedal position sender
   Light switch
   Brake pedal switch
3 10 →May 2005: Power steering control unit
5 May 2005→: Airbag control unit 
4 5 Heater/heat output switch 
High-pressure sender 
Heated driver seat control unit 
Heated front passenger seat control unit 
Climatronic control unit 
Stabilisation program warning lamp 2 (May 2005→) 
Reversing light bulb (May 2005→) 
Tyre pressure monitor display button (May 2005→) 
Oil level and oil temperature sender (high; May 2005→) 
Garage door operation control unit (May 2006→) 
Seat occupied sensor, front passenger side (May 2006→) 
Automatic anti-dazzle interior mirror (May 2006→) 
Left washer jet heater element (May 2006→) 
Right washer jet heater element (May 2006→)
10 E-Box High (November 2005→):
   Oil level and oil temperature sender
   Reversing light
   Climatronic control unit
   High-pressure sender
   Switch for heater and heater output
   Garage door operation control unit
   Battery isolation igniter
   Automatic anti-dazzle interior mirror
   Tyre pressure monitor display button
   Stabilisation programme warning lamp 2
   Left washer jet heater element
   Right washer jet heater element
   Illumination for traction control system switch
   Air conditioning system control unit (May 2007→)
5 5 Cruise control system brake pedal switch (→May 2005) 
Clutch position sender 
Control unit for headlight range control (May 2005→) 
Power steering control unit (May 2005→) 
Cornering light and headlight range control unit, on right headlight (E-Box High (December 2006→))
10 Cornering light and headlight range control unit, on right headlight (E-Box Low (May 2006→)), (E-Box High (May 2007→))
6 5 →May 2006:
   Control unit in dash panel insert
   Fuel pump control unit
   Data bus diagnostic interface
   Multifunction switch
   Selector lever sensors control unit
   Tiptronic switch
5 E-Box High (December 2006→): Cornering light and headlight range control unit, on left of headlight
10 E-Box Low (May 2006→), E-Box High (May 2007→): Cornering light and headlight range control unit, on left headlight
7 5 →May 2005: Control unit for headlight range control 
5 May 2005-May 2006: Automatic anti-dazzle interior mirror
8 5 →May 2005: Automatic anti-dazzle interior mirror 
10 May 2005-May 2006: Trailer detector control unit
9 5 May 2005-May 2006: Control unit with display for radio and navigation system (only commercial navigation system unit)
10 5 →May 2005: Mobile telephone operating electronics control unit
5 May 2005-May 2006:
   Garage door operation control unit
   Seat occupied recognition control unit
11 5 →May 2005: Trailer detector control unit
10 May 2007→: Cornering light and headlight range control unit, on right headlight
12 10 Driver door control unit 
Front passenger door control unit
13 10 Light switch 
Diagnostic connection 
Brake pedal switch (May 2005→) 
Sensor for rain and light detection (2006→) 
Magnetic field sender for compass (2006→)
14 5 Brake light switch (E-Box Low (May 2005→))
Automatic gearbox control unit
10 2006→:
   Selector lever sensors control unit 
   Remote control receiver for auxiliary coolant heater 
   Air conditioning system control unit
   Climatronic control unit 
   Heater/heat output switch
   Parking aid control unit 
   ABS with EDL control unit 
   Heated driver seat regulator 
   Heated front passenger seat regulator
   Automatic gearbox control unit (November 2005→)
15 7.5 Onboard supply control unit (interior illumination)
16 10 →May 2006:
   Heater/heat output switch 
   Air conditioning system control unit 
   Climatronic control unit 
   Remote control receiver for auxiliary coolant heater
5 E-Box High (November 2005→): Aerial selection control unit
17 5 →May 2006:
   Rain and light detector sensor 
   Aerial selection control unit
5 May 2006→:
   Interior monitoring sensor
   Vehicle inclination sender
   Alarm horn
18 5 →2006:
   Parking aid control unit 
   Selector lever sensors control unit
19 5 Accident data memory
20 5 →2006: ABS with EDL control unit
21 5

→May 2005: Control unit with display for radio and navigation system (only commercial navigation system unit)

5 E-Box High (May 2007→):
   Control unit for engine speed governor, in front left footwell (special vehicles) 
   PDA control unit (special vehicles)
22 40 Fresh air blower (Climatronic) 
Battery isolation igniter (rear battery) (E-Box High (May 2005→))
23 30 Driver door control unit (window regulator) 
Front passenger door control unit (window regulator)
24 25 →May 2006:
   Cigarette lighter
   Rear cigarette lighter 
   12 V socket (criminal investigation department)
20 2006→:
   Rear left door control unit (central locking)
   Rear right door control unit (central locking)
   Convenience system central control unit
25 E-Box High (May 2007→):
   Rear left door control unit (central locking)
   Rear right door control unit (central locking)
   Convenience system central control unit
25 25 Heated rear window 
Air conditioning system control unit (only with auxiliary coolant heater) 
Heater/heat output switch (only with auxiliary coolant heater) 
Fresh air blower series resistor (only with auxiliary coolant heater)
26 20 →May 2006: 12 V socket (luggage compartment)
30 May 2006→:
   Rear left door control unit (window regulator)
   Rear right door control unit (window regulator)
27 15 Fuel pump control unit 
Fuel system pressurisation pump 
Fuel pump control unit 
Fuel supply relay (May 2006→)
28 10 →May 2005: Charging point for Mag- Lite electric torch (special vehicle interface) 
30 May 2005-May 2006: Transformer with socket, 12V-230V
25 E-Box High (November 2005→): Special vehicles socket (not for USA/Canada )
29 10 →2006:
   Motronic control unit 
   Diesel direct injection system control unit 
   Air mass meter (AXX) 
   Heater element for crankcase breather (BUB, BMJ)
30 5 →May 2005:
   Airbag control unit
   Front passenger side airbag deactivated warning lamp
10 May 2005→:
   Injector, cylinder 1
   Injector, cylinder 2
   Injector, cylinder 3
   Injector, cylinder 4
20 Injector, cylinder 1 
Injector, cylinder 2 
Injector, cylinder 3 
Injector, cylinder 4 
Injector, cylinder 5 
Injector, cylinder 6 
Automatic gearbox control unit (2006→) 
Mechatronics for direct shift gearbox (2006→)
31 5 →May 2005:
   Reversing light switch
   Mechatronics for direct shift gearbox
20 May 2005→: Vacuum pump for brakes 
32 30 →May 2006:
   Rear left door control unit (window regulator)
   Rear right door control unit (window regulator)
30 May 2006→:
   Transformer with socket, 12V-230 V
   Transformer with socket, 12V- 15 V (USA/Canada)
33 25 Sliding sunroof adjustment control unit
34 15 Driver seat lumbar support longitudinal adjustment motor 
Front passenger seat lumbar support longitudinal adjustment motor 
Driver seat lumbar support height adjustment motor 
Front passenger seat lumbar support height adjustment motor
35 5 →2006:
   Interior monitoring sensor 
   Vehicle inclination sender 
   Alarm horn
36 20 Headlight washer system pump 
Headlight washer system relay
37 30 Heated driver seat control unit 
Heated front passenger seat control unit
38 10 →May 2005: Rotating light and siren system control unit
20 May 2006→:
   Rear left door control unit (central locking) (USA, Canada, with alarm horn relay)
   Rear right door control unit (central locking) (USA, Canada, with alarm horn relay)
   Convenience system central control unit (only VR6)
10 May 2007→: Cornering light and headlight range control unit, on left headlight
39 20 May 2005-May 2006: Automatic gearbox control unit
40 40 Heater/heat output switch (fresh air blower) 
Air conditioning system control unit (fresh air blower)
5 E-Box High (November 2005→)):
   Heater/heat output switch (fresh air blower)
   Air conditioning system control unit (fresh air blower)
41 15 →May 2006: Rear window wiper motor 
20 May 2006→:
   Rear window wiper motor
   Onboard supply control unit (double washer pump) (BSG J1)
42 15 →May 2005:
   Double washer pump relay 1
   Double washer pump relay 2 
15 May 2005→: Onboard supply control unit (double washer pump) (BSG J1)
20 May 2006→:
   Cigarette lighter 
   Rear cigarette lighter
   12 V socket (criminal investigation department)
43 15 Trailer detector control unit
44 20 Trailer detector control unit
45 15 Trailer detector control unit
46 5 →May 2006:
   Left washer jet heater element
   Right washer jet heater element
   Heated driver seat regulator
   Heated front passenger seat regulator
47 5 →May 2006: Auxiliary heater operation relay
48 10 May 2005→: Charger for Mag-Lite and hand-held two-way radio 
49 5 →May 2006: Lighting switch 

Engine compartment fuse box (E-Box Low)

Volkswagen Golf (2003–2009) Chart of the Fuse Block


Fuses Specifications
No. A Description
1 20 →May 2006: Convenience system central control unit
2 5 Steering column electronics control unit
3 5 Onboard supply control unit
4 30 ABS control unit
5 15 →May 2006, May 2007→: Mechatronic control unit 
30 May 2006-May 2007:
   Mechatronic control unit
   Control unit in dash panel insert
6 5 Control unit in dash panel insert
7 15 →May 2006: Special vehicle control unit
25 May 2006→: Special vehicle control unit 
30 May 2007→: Mechatronics control unit (0AM) 
8 15 Control unit with display for radio and navigation 
Radio 
Preparation for radio and navigation system with TV (models for Japan)
25 Control unit with display for radio and navigation 
Radio 
Preparation for radio and navigation system with TV (models for Japan)
9 5 Mobile telephone operating electronics control unit
10 5 Terminal 30 voltage supply relay
10 Engine control unit
5 Low heat output relay
11 20 Auxiliary heater control unit
12 5 Data bus diagnostic interface
13 30 Diesel: Engine control unit 
25 Petrol (→May 2007): Engine control unit
30 Petrol (May 2007→): Engine control unit 
14 20 Ignition transformer
Ignition coils with output stage
15 10 Lambda probe heater 3 
Lambda probe heater 
Lambda probe 
Lambda probe 2 before catalytic converter 
Lambda probe after catalytic converter
5 Lambda probe 2 after catalytic converter 
Lambda probe 3 after catalytic converter 
Fuel pump relay 
Automatic glow period control unit 
High heat output relay (370)
16 30 ABS control unit
17 15 Treble tone horn 
Bass tone horn 
Onboard supply control unit (May 2006→)
18 30 Special vehicle control unit (→May 2006) 
Amplifier
19 30 Wiper motor control unit 
Driver side windscreen wiper motor
20 40 May 2006→: Automatic glow period control unit (SDI) 
10 May 2007→: Continued coolant circulation pump 
21 15 →May 2006:
   Lambda probe heater
   Lambda probe
   Lambda probe after catalytic converter
   NOx sensor control unit
10 May 2006→:
   Lambda probe heater 
   Lambda probe
   Lambda probe after catalytic converter
   NOx sensor control unit
   Lambda probe heater
20 May 2007→: Brake vacuum pump 
22 5 Brake pedal switch (→November 2005) 
Clutch position sender
23 5 BSF: Secondary air pump relay
10 Exhaust gas recirculation valve 
Charge pressure control solenoid valve (→May 2006) 
Activated charcoal filter system solenoid valve 1 (May 2006→) 
Fuel system diagnostic pump (BGQ, BGP) 
Exhaust gas recirculation cooler changeover valve 
Exhaust gas recirculation cooler changeover valve 2 (→May 2006) 
Fuel pressure regulating valve (May 2006→) 
Engine control unit (May 2006→) 
Variable intake manifold changeover valve (May 2006→)
15 Fuel pressure regulating valve (→May 2006) 
Secondary air inlet valve (May 2006→) 
Fuel pressure regulating valve (May 2007→) 
Engine control unit (May 2007→) 
Variable intake manifold changeover valve (May 2007→)
24 10 Map-controlled engine cooling system thermostat 
Radiator fan control unit 
Exhaust gas recirculation valve 
Activated charcoal filter solenoid valve 1 
Variable intake manifold changeover valve 
Inlet camshaft control valve 1 
Intake manifold flap valve 
Intake manifold flap motor
25 40 →May 2006: Onboard supply control 
30 May 2006→: Onboard supply control unit (A/1) 
26 40 →May 2006: Onboard supply control unit 
30 May 2006→: Onboard supply control unit (D/1) 
27 50 Automatic glow period control unit
40 Secondary air pump relay
28 40 Terminal 15 voltage supply relay 2
29 50 Additional coolant pump relay 
Seat adjustment thermal fuse 1
30 50 May 2006→: X-contact relief relay
40 May 2007→: Onboard supply control unit (I/1) 
Relay
A1 Terminal 30 voltage supply
A2 Secondary air pump relay
BLG (→May 2006): Sensor for current measurement
Diesel: Wiring bridge
Volkswagen Golf (2003–2009) Scheme of the Fusible Link Block


Fuses Specifications
No. A Description
1 150 90A/120A: Alternator 
200 140A: Alternator 
2 80 Power steering control unit 
Electromechanical power steering motor
3 50 Radiator fan control unit 
Radiator fan 
Radiator fan 2
4 40
→May 2006: Special equipment
40
December 2006→:
   Low heat output relay (1st stage)
   Auxiliary air heater element
5 100
→November 2005:
   Fuses on left under dash panel (SC) 12, 18, 19, 22, 28, 43, 44, 45
   Auxiliary air heater control unit 
   Auxiliary air heater element
10
November 2005→:
   Fuses on left under dash panel (SC) 12, 15, 16, 17, 18, 19, 20, 22, 23, 24, 25, 26, 27, 28, 38, 43, 44, 45
   Optional equipment
6 80 Fuses on left under dash panel (SC) 12, 18, 19, 22, 28, 43, 44, 45
High heat output relay (1st and 3rd stages) (December 2006→) 
Auxiliary air heater element (November 2006→)
100 Auxiliary air heater control unit (November 2005→) 
Auxiliary air heater element (November 2005→) 
Optional equipment
7 50 Trailer operation
40 Special equipment, disabled persons
30 Special equipment, criminal investigation department

Engine compartment fuse box (E-Box High)

Volkswagen Golf (2003–2009) Diagram of the Fuse Box


Fuses Specifications
No. A Description
1 30 ABS with EDL control unit
2 30 ABS with EDL control unit
3 20 →November 2005:
   Convenience system central control unit 
   Front passenger side wiper motor (May 2005→)
4 5 Onboard supply control unit
5 20 →May 2005:
   Treble tone horn
   Bass tone horn
15 May 2005→: Onboard supply control unit (horn) 
6 5 →May 2005: Fuel pressure regulating valve 
20 →May 2005:
   Ignition transformer
   Ignition coils 1-4 with output stage
15 May 2005→:
   Fuel pressure regulating valve
   Fuel pump
7 5 →November 2005:
   Cruise control system brake pedal switch 
   Clutch position sender
40 May 2007→: SF2 - Fuse 2 on fuse holder F (rear battery) 
8 10 →May 2005:
   Map-controlled engine cooling system thermostat
   Inlet camshaft control valve 1
   Activated charcoal filter solenoid valve 1 (pulsed) 
   Exhaust gas recirculation valve
   Intake manifold flap air control valve
   Intake manifold flap motor
   Crankcase breather heater element
   Variable intake manifold changeover valve
   Radiator fan control unit
15 May 2007→:  Digital radio satellite receiver 
9 10 →May 2005:
   NOx sensor control unit
   Automatic glow period control unit
   Fuel pump relay
10 May 2005→:
   Turbocharger air recirculation valve
   Activated charcoal filter solenoid valve 1
   Charge pressure control solenoid valve
10 10 →May 2005:
   Lambda probe after catalytic converter
   Lambda probe 2 after catalytic converter
   Exhaust gas recirculation valve
   Charge pressure control solenoid valve
   Exhaust gas recirculation cooler changeover valve
   Secondary air pump relay
10 November 2005→ (USA/Canada): Fuel system diagnostic pump
10 May 2007→:
   Intake air temperature sender
   Air mass meter
11 25 →May 2005: Motronic control unit
30 →May 2005:
   Simos control unit
   Diesel direct injection system control unit
10 May 2005→:
   Lambda probe heater
   Lambda probe 2 heater 2 (May 2007→)
12 15 →May 2005:
   Lambda probe (AXW, BAG, BCA, BKG, BLP, BLX and BLY)
   Lambda probe 2 (AXW, BLX and BLY)
   Lambda probe after catalytic converter (BCA)
   NOx sensor control unit (BAG, BKG and BLP)
10 May 2005→:
   Lambda probe 1 heater after catalytic converter
   Lambda probe 2 heater after catalytic converter (May 2007→)
13 15 Automatic gearbox control unit (→May 2005) 
Mechatronics for dual clutch gearbox
30 May 2007→: Mechatronic control unit 
14 -  -
15 40 →May 2005: Starter (terminal 50) 
10 May 2005→: Coolant circulation pump
16 15 →May 2005: Steering column electronics control unit
5 May 2005→: Steering column control unit 
17 10 →May 2005: Display control unit in dash panel insert 
5 May 2005→: Control unit in dash panel insert 
18 30 →May 2005: Special vehicle control unit
30 May 2005→:
   Amplifier
   Control unit for special vehicles (May 2007→)
19 15 Radio 
Control unit with display for radio and navigation system (→May 2005) 
Digital satellite radio (May 2007→)
20 10 Mobile telephone operating electronics control unit (telephone /preparation for telephone) 
Control unit with display for radio navigation system (May 2005→)
5 Mobile telephone operating electronics control unit (November 2005→)
21 -  -
22 -  -
23 10 May 2005→:
   Engine control unit 
   Motronic current supply relay
5 November 2005→: Engine control unit 
24 10 →May 2005: Data bus diagnostic interface 
5 May 2005→: Data bus diagnostic interface 
25 40 May 2007→: Onboard supply control unit (A1)
26 10 →May 2005: Motronic control unit
5 →May 2005: Diesel direct injection system control unit
5 →May 2007: Terminal 30 voltage supply relay 
40 May 2007→: Onboard supply control unit (D1) 
27 10 →May 2005: Heater element for crankcase breather
28 20 →May 2005:
   Automatic gearbox control unit
   Multifunction switch
25 May 2005→: Engine control unit 
29 20 →May 2005:
   Ignition coils 1-4 with output stage
   Injectors cylinders 1-4
5 May 2005→:
   Additional coolant pump relay
   Secondary air pump relay
30 20 →May 2005: Heater control unit
20 May 2005→: Auxiliary heater operation relay
31 25 →May 2005: Windscreen wiper motor 
30 May 2005→: Windscreen wiper motor 
32 10 →May 2005: Injectors
33 15 →May 2005: Fuel system pressurisation pump
34 -  -
35 -  -
36 -  -
37 -  -
38 10 →May 2005:
   Left headlight range control motor
   Right headlight range control motor
10 May 2005→: 
   Radiator fan control unit
   Exhaust camshaft control valve 1 (November 2005→)
   Secondary air inlet valve (May 2007→)
   Exhaust flap 1 valve (May 2007)
   Secondary air inlet valve 2 (May 2007→)
   Diagnosis pump for fuel system (May 2007→)
   Activated charcoal filter solenoid valve 1 (May 2007→)
   Secondary air inlet valve (May 2007→)
   Exhaust camshaft control valve 1 (May 2007→)
39 5 →November 2005:
   Oil level and oil temperature sender
   Brake light switch
5 November 2005→:
   Brake pedal switch ) 
   Clutch position sender
40 20 →May 2005: Dash panel fuse holder (SC: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 29, 30, 31)
20 May 2005→: 
   Ignition coil 1 with output stage
   Ignition coil 2 with output stage
   Ignition coil 3 with output stage
   Ignition coil 4 with output stage
41 -  -
42 10 Air mass meter (AZV, BKC, BKD, BDK, BJB) 
Engine component current supply relay (November 2005→)
5 Electric fuel pump 2 relay (BGU, BCA) 
Motronic current supply relay (→November 2005)
43 30 May 2005→: 
   Ignition coil 1 with output stage
   Ignition coil 2 with output stage
   Ignition coil 3 with output stage
   Ignition coil 4 with output stage
   Ignition coil 5 with output stage
   Ignition coil 6 with output stage
44 -  -
45 -  -
46 -  -
47 40 →November 2005: Onboard supply control unit 
30 November 2005→: Onboard supply control unit (D/1 left)
48 40 →November 2005: Onboard supply control unit 
30 November 2005→: Onboard supply control unit (A/1 right)
49 40 May 2005→: 
   Terminal 15 voltage supply relay 2
   SF2 - Fuse in fuse holder F (rear battery) (November 2005→)
   Onboard supply control unit (L1) ( November 2005→)
50 -  -
51 50 →May 2005:
   Glow plug 1
   Glow plug 2
   Glow plug 3 
   Glow plug 4
40 May 2005→: Secondary air pump relay
52 50 →May 2005: Fuses on left under dash panel (SC) 40, 41, 42, 46, 47, 49
40 May 2005→: X-contact relief relay 
53 50 Safety cutout for seat adjustment
Seat adjustment thermal fuse 1, SB111 - Positive connection 1 (30a) (November 2005→)
54 50 →May 2005: Radiator fan control unit
Relay
A1 →May 2005: Terminal 15 voltage supply 
→November 2005: Motronic current supply 
November 2005→: Engine components current supply 
A2 →May 2005: Terminal 50 voltage supply 
May 2005→: Additional coolant pump 
A3 →May 2005: Current supply relay for engine components 
A4 →May 2005: Terminal 30 voltage supply 
→November 2005: Engine components current supply 
May 2005→: Motronic current supply 
Volkswagen Golf (2003–2009) Chart of the High Fuse Box


Fuses Specifications
No. A Description
1 150 90A/120A: Alternator 
200 140A:
   Alternator
   Terminal 30 wiring junction (rear battery)
2 80 Power steering control unit 
Electromechanical power steering motor
3 50 Radiator fan control unit 
Radiator fan 
Radiator fan 2 (500 W)
4 80
May 2005-November 2005: Fuses on left under dash panel (SC) 32, 33 ,34, 35, 36, 37, Driver seat adjustment thermal fuse 1 - 30A 
5 50
→May 2005: Fuses on left under dash panel (SC) 12, 13, 14, 15, 16, 17, 19, 22, 23, 24, 25, 26, 27, 32, 33, 34, 35, 36, 37, 38, 43, 44, 45
50
November 2005-May 2007→: Fuses on left under dash panel (SC) 12, 13, 14, 15, 16, 17, 19, 22, 23, 24, 25, 26, 27, 32, 33, 34, 35, 36, 37, 38, 43, 44, 45
80
May 2007→: Fuses on left under dash panel (SC) 12, 13, 14, 15, 16, 17, 19, 22, 23, 24, 25, 26, 27, 32, 33, 34, 35, 36, 37, 38, 43, 44, 45
100 May 2005-November 2005:
   Auxiliary air heater control unit
   Auxiliary air heater element
6 125
→May 2005, November 2005→: SF1 - Fuse 1 on fuse holder
100
80
May 2005-November 2005:  Fuses on left under dash panel (SC) 18, 19, 20, 22, 23, 24, 25, 26, 27, 28, 43, 44, 45
7 50
May 2005-November 2005: Fuses on left under dash panel (SC) 22, 23, 24, 25, 26, 27

Relay carrier on onboard supply control unit (left under dash panel)

Volkswagen Golf (2003–2009) Location of the Relay


Fuses Specifications
No. A Description
A 30 May 2004→: Seat adjustment thermal fuse 1 
B 30 →April 2004: Seat adjustment thermal fuse 1 
Relay
1 with auxiliary heater: Fresh air blower
Low heat output
2 Auxiliary heater operation
High heat output 
Secondary air pump
3 Headlight washer system
Terminal 50 voltage supply
4 BLG: Additional coolant pump
BCA: Fuel supply 
Fuel pump
Headlight washer system
5 Terminal 50 voltage supply 
Fuel pump relay (J17 and J485 are mini-relays and can be found on a relay slot)
Auxiliary heater operation (J17 and J485 are mini-relays and can be found on a relay slot)

Relay assignment on relay carrier on onboard supply control unit

Volkswagen Golf (2003–2009) Schematic of the Relay Block
Relay
No. Description
1 →May 2005: Fresh air blower
Terminal 15 voltage supply relay 2
2 Heated exterior mirror 
3 Heated rear window 
4 Horn 
5 X-contact relief 
6 Double washer pump relay 2 
7 Double washer pump relay 1 
8  -
9 Terminal 30 voltage supply relay 2

Additional relay carrier, under box on left in engine compartment

Volkswagen Golf (2003–2009) Location of the Glow System Relay
Relay
No. Description
1 Automatic glow period control unit

Location and description of fuses and relay Volkswagen Golf, Golf Variant and Volkswagen Rabbit (3-door Hatchback, 5-door Hatchback, Estate) with petrol engine 1.4 FSI / TSI, 1.6 FSI, 2.0 FSI / TFSI, 2.5, 3.2 R32 and diesel engine 1.9, TDI, 2.0 SDI, 2.0 TDI (2003, 2004, 2005, 2006, 2007, 2008, 2009)