| SB1 | 30A | ABS with EDL control unit |
| SB2 | 30A | ABS with EDL control unit |
| SB3 | 20A | Convenience system central control unit
Front passenger side wiper motor (from May 2005)
Not assigned (from November 2005) |
| SB4 | 5A | Onboard supply control unit |
| SB5 | 20A | Treble tone horn (up to May 2005)
Bass tone horn (up to May 2005) |
| 15A | Onboard supply control unit (horn) (from May 2005) |
| SB6 | 5A | Fuel pressure regulating valve (up to May 2005) |
| 15A | Fuel pressure regulating valve (from May 2005)
Fuel pump (from May 2007) |
| 20A | Ignition transformer (up to May 2005)
Ignition coils 1-4 with output stage (up to May 2005) |
| SB7 | 5A | Cruise control system brake pedal switch
Clutch position sender
Not assigned (from November 2005) |
| 40A | Fuse 2 on fuse holder F (rear battery) (from May 2007) |
| SB8 | 10A | 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 Not assigned (from May 2005) |
| 15A | Digital radio satellite receiver (from May 2007) |
| SB9 | 10A | NOx sensor control unit (up to May 2005)
Automatic glow period control unit (up to May 2005)
Fuel pump relay (up to May 2005)
Turbocharger air recirculation valve (from May 2005)
Activated charcoal filter solenoid valve 1 (from May 2005)
Charge pressure control solenoid valve (from May 2005) |
| SB10 | 10A | Lambda probe after catalytic converter (up to May 2005)
Lambda probe 2 after catalytic converter (up to May 2005)
Exhaust gas recirculation valve (up to May 2005)
Charge pressure control solenoid valve (up to May 2005)
Exhaust gas recirculation cooler changeover valve (up to May 2005)
Secondary air pump relay (up to May 2005)
Not assigned (from May 2005)
Fuel system diagnostic pump (USA/Canada) (from November 2005)
Intake air temperature sender (from May 2007)
Air mass meter (from May 2007) |
| SB11 | 25A | Motronic control unit (up to May 2005) |
| 30A | Simos control unit (up to May 2005)
Diesel direct injection system control unit (up to May 2005) |
| 10A | Lambda probe heater (from May 2005)
Lambda probe 2 heater 2 (from May 2007) |
| SB12 | 15A | Lambda probe (AXW, BAG, BCA, BKG, BLP, BLX and BLY) (up to May 2005)
Lambda probe 2 (AXW, BLX and BLY) (up to May 2005)
Lambda probe after catalytic converter (BCA) (up to May 2005)
NOx sensor control unit (BAG, BKG and BLP) (up to May 2005) |
| 10A | Lambda probe 1 heater after catalytic converter (from May 2005)
Lambda probe 2 heater after catalytic converter (from May 2007) |
| SB13 | 15A | Automatic gearbox control unit (up to May 2005)
Mechatronics for dual clutch gearbox |
| 30A | Mechatronic control unit (from May 2007) |
| SB14 | – | – |
| SB15 | 40A | Starter (terminal 50) (up to May 2005) |
| 10A | Coolant circulation pump (from May 2005) |
| SB16 | 15A | Steering column electronics control unit (up to May 2005) |
| 5A | Steering column control unit (from May 2005) |
| SB17 | 10A | Display control unit in dash panel insert (up to May 2005) |
| 5A | Control unit in dash panel insert (from May 2005) |
| SB18 | 30A | Special vehicle control unit (up to May 2005)
Amplifier (from May 2005)
Control unit for special vehicles (from May 2007) |
| SB19 | 15A | Radio
Control unit with display for radio and navigation system (up to May 2005)
Digital satellite radio (from May 2007) |
| SB20 | 10A | Mobile telephone operating electronics control unit (telephone /preparation for telephone)
Control unit with display for radio navigation system (from May 2005) |
| 5A | Mobile telephone operating electronics control unit (from November 2005) |
| SB21 | – | – |
| SB22 | – | – |
| SB23 | 10A | Not assigned (up to May 2005)
Engine control unit (from May 2005)
Motronic current supply relay (100) (from May 2005) |
| 5A | Engine control unit (from November 2005) |
| SB24 | 10A | Data bus diagnostic interface (up to May 2005) |
| 5A | Data bus diagnostic interface (from May 2005) |
| SB25 | 40A | Not assigned (up to May 2007)
Onboard supply control unit (from May 2007) |
| SB26 | 10A | Motronic control unit (up to May 2005)
Not assigned (from May 2005) |
| 5A | Diesel direct injection system control unit (up to May 2005)
Terminal 30 voltage supply relay (up to May 2007) |
| 40A | Onboard supply control unit (from May 2007) |
| SB27 | 10A | Heater element for crankcase breather (up to May 2005)
Not assigned (from May 2005) |
| SB28 | 20A | Automatic gearbox control unit (up to May 2005)
Multifunction switch (up to May 2005) |
| 25A | Engine control unit (from May 2005) |
| SB29 | 20A | Ignition coils 1-4 with output stage (up to May 2005)
Injectors cylinders 1-4 (up to May 2005) |
| 5A | Additional coolant pump relay (from May 2005)
Secondary air pump relay (from May 2005) |
| SB30 | 20A | Heater control unit (up to May 2005)
Auxiliary heater operation relay (from May 2005) |
| SB31 | 25A | Windscreen wiper motor (up to May 2005) |
| 30A | Windscreen wiper motor (from May 2005) |
| SB32 | 10A | Injectors (up to May 2005)
Not assigned (from May 2005) |
| SB33 | 15A | Fuel system pressurisation pump (up to May 2005)
Not assigned (from May 2005) |
| SB34 | – | – |
| SB35 | – | – |
| SB36 | – | – |
| SB37 | – | – |
| SB38 | 10A | Left headlight range control motor (up to May 2005)
Right headlight range control motor (up to May 2005)
Radiator fan control unit (from May 2005)
Exhaust camshaft control valve 1 (from November 2005)
Secondary air inlet valve (from May 2007)
Exhaust flap 1 valve (from May 2007)
Secondary air inlet valve 2 (from May 2007)
Diagnosis pump for fuel system (from May 2007)
Activated charcoal filter solenoid valve 1 (from May 2007)
Secondary air inlet valve (from May 2007)
Exhaust camshaft control valve 1 (from May 2007) |
| SB39 | 5A | Oil level and oil temperature sender (up to November 2005)
Brake light switch (up to November 2005)
Brake pedal switch (from November 2005)
Clutch position sender (from November 2005) |
| SB40 | 20A | Dash panel fuse holder (SC1-SC6, SC7-SC11, SC29-SC31) (up to May 2005)
Ignition coil 1 with output stage (from May 2005)
Ignition coil 2 with output stage (from May 2005)
Ignition coil 3 with output stage (from May 2005)
Ignition coil 4 with output stage (from May 2005) |
| SB41 | – | – |
| SB42 | 10A | Air mass meter (AZV, BKC, BKD, BDK, BJB)
Engine component current supply relay (from November 2005) |
| 5A | Electric fuel pump 2 relay (BGU, BCA)
Motronic current supply relay (to November 2005) |
| SB43 | 30A | Not assigned (up to May 2005)
Ignition coil 1 with output stage (from May 2005)
Ignition coil 2 with output stage (from May 2005)
Ignition coil 3 with output stage (from May 2005)
Ignition coil 4 with output stage (from May 2005)
Ignition coil 5 with output stage (from May 2005)
Ignition coil 6 with output stage (from May 2005) |
| SB44 | – | – |
| SB45 | – | – |
| SB46 | – | – |
| SB47 | 40A | Onboard supply control unit (up to November 2005)
– Backup lights
– Brake light right
– Turn signal
– Fog lights
– Headlight left |
| 30A | Onboard supply control unit (D/l left) (from November 2005)
– Backup light
– Brake light right
– Turn signal
– Fog lights
– Headlight left |
| SB48 | 40A | Onboard supply control unit (up to November 2005)
– Backup light
– Brake light left
– Turn signal
– Fog lights
– Headlight right |
| 30A | Onboard supply control unit (A/l right) (from November 2005)
– Backup light
– Brake light left
– Turn signal
– Fog lights
– Headlight right |
| SB49 | 40A | Not assigned (up to May 2005)
Terminal 15 voltage supply relay 2 (from May 2005)
Fuse in fuse holder F (rear battery) (from November 2005)
Onboard supply control unit (LI) (from November 2005) |
| SB50 | – | – |
| SB51 | 50A | Glow plug 1 (up to May 2005)
Glow plug 2 (up to May 2005)
Glow plug 3 (up to May 2005)
Glow plug 4 (up to May 2005) |
| 40A | Secondary air pump relay (from May 2005) |
| SB52 | 50A | Onboard supply control unit
SC40-SC42, SC46, SC47, SC49 (up to May 2005) |
| 40A | X-contact relief relay (from May 2005) |
| SB53 | 50A | Safety cutout for seat adjustment
Seat adjustment thermal fuse 1,
Positive connection 1 (30a) (from November 2005) |
| SB54 | 50A | Radiator fan control unit (up to May 2005)
Not assigned (from May 2005) |
