Caddy Fitting Locations No. 802 / 1 Edition 06.2010 Position of fuses engine compartment Overview of fuse carrier in engine compartment 1 - Fuses on fuse holder A -SAt Location, from October 2003 chapter t Position of fuses, from October 2003 chapter t Location, from May 2005 chapter t Position of fuses, from May 2005 chapter t Position of fuses, from November 2006 chapter t Position of fuses, from May 2007 chapter t Position of fuses, from November 2007 chapter t Position of fuses, from May 2008 chapter t Position of fuses, from November 2008 chapter
2 - Fuses on fuse holder B -SBt Location, from October 2003 chapter t Position of fuses, from October 2003 chapter t Location, from May 2005 chapter t Position of fuses, from May 2005 chapter t Position of fuses, from November 2006 chapter t Position of fuses, from May 2007 chapter < t Position of fuses, from November 2007 chapter t Position of fuses, from May 2008 chapter t Position of fuses, from May 2009 chapter Fuses on fuse holder A -SA-, from October 2003 Torque settings Electrical system, repair Group 97, removing and installing fuse holders Fuse colours
A - green 25 A - white 20 A - yellow A - blue 10 A - red 7,5 A - brown 5 A - beige 3 A - purple Position of fuses on fuse holder A -SA-, from October 2003 No. Current Flow Diagram designation 1 - Fuse 1 on fuse holder A -SA1- Nominal value 0 A 200 A Function/component - Alternator -C- 90A / 110A - Alternator -C- 140A Terminal
2 - Fuse 2 on fuse holder A -SA2-3 - Fuse 3 on fuse holder A -SA3-4 - Fuse 4 on fuse holder A -SA4-5 - Fuse 5 on fuse holder A -SA5-6 - Fuse 6 on fuse holder A -SA6-7 - Fuse 7 on fuse holder A -SA7-80 A - Electromechanical power steering motor - V187-80 A - Radiator fan control unit -J293-70 A - Onboard supply control unit -J519- - - Vacant 100 A - Fuses on fuse holder C -SC- left dash panel SC20 - SC24, SC42 - SC56 50 A - Fuses on fuse holder C -SC- left dash panel SC39 - SC41 Fuses on fuse holder A -SA-, from May 2005 Torque settings Electrical system, repair Group 97, removing and installing fuse holders Position of fuses on fuse holder A -SA-, from May 2005
No. Current Flow Diagram designation 1 - Fuse 1 on fuse holder A - SA1-1 - Fuse 1 on fuse holder A - SA1-2 - Fuse 2 on fuse holder A - SA2- Nominal Function/component Terminal value 0 A - Alternator -C- 200 A - Alternator -C- 1) 80 A - Power steering control unit -J500- Electromechanical power steering motor -V187-50 A - Radiator fan control unit -J293-3 - Fuse 3 on fuse holder A - SA3-3 - Fuse 3 on fuse holder A - 80 A - Radiator fan control unit -J293-2) SA3-4 - Fuse 4 on fuse holder A - 50 A - X-contact relief relay -J59-3) SA4- Onboard supply control unit -J519-3) 4 - Fuse 4 on fuse holder A - 80 A - X-contact relief relay -J59-4)
SA4- Onboard supply control unit -J519-4) 5 - Fuse 5 on fuse holder A - - - Vacant - SA5-6 - Fuse 6 on fuse holder A - SA6-100 A - Fuse SC20 up to SC24 on fuse holder C -SC- Fuse SC42 up to SC48 on fuse holder C -SC- Fuse SC50 up to SC52 on fuse holder C 7 - Fuse 7 on fuse holder A - SA7- -SC- 50 A - Fuse SC39 up to SC41 on fuse holder C -SC- 5) Note t 1) only models with 140 A alternator t 2) only for models with increased blower output t 3) only models with central locking t 4) only models without central lock t 5) only models with trailer operation Position of fuses on fuse holder A -SA-, from November 2006
No. Current Flow Diagram designation 1 - Fuse 1 on fuse holder A - SA1-1 - Fuse 1 on fuse holder A - SA1-2 - Fuse 2 on fuse holder A - SA2- Nominal Function/component Terminal value 0 A - Alternator -C- 200 A - Alternator -C- 1) 80 A - Power steering control unit -J500- Electromechanical power steering motor -V187-50 A - Radiator fan control unit -J293-3 - Fuse 3 on fuse holder A - SA3-3 - Fuse 3 on fuse holder A - 80 A - Radiator fan control unit -J293-2) SA3-4 - Fuse 4 on fuse holder A - 50 A - X-contact relief relay -J59-3) SA4- Onboard supply control unit -J519-3) 4 - Fuse 4 on fuse holder A - 80 A - X-contact relief relay -J59-4)
SA4- Onboard supply control unit -J519-4) 5 - Fuse 5 on fuse holder A - 100 A ---Fuse SC20 up to SC24 on fuse holder SA5- C -SC- Fuse SC42 up to SC48 on fuse holder C -SC- Fuse SC50 up to SC52 on fuse holder C -SC- 6 - Fuse 6 on fuse holder A - - - Vacant - SA6-7 - Fuse 7 on fuse holder A - SA7-50 A - Fuse SC39 up to SC41 on fuse holder C -SC- 5) Note t 1) only models with 140 A alternator t 2) only for models with increased blower output t 3) only models with central locking t 4) only models without central lock t 5) only models with trailer operation
Position of fuses on fuse holder A -SA-, from May 2007 No. Current Flow Diagram designation 1 - Fuse 1 on fuse holder A - SA1-1 - Fuse 1 on fuse holder A - SA1-2 - Fuse 2 on fuse holder A - SA2-3 - Fuse 3 on fuse holder A - SA3-3 - Fuse 3 on fuse holder A - SA3- Nominal Function/component Terminal value 0 A - Alternator -C- 200 A - Alternator -C- 1) 80 A - Power steering control unit -J500- - Electromechanical power steering motor -V187-50 A - Radiator fan control unit -J293-80 A - Radiator fan control unit -J293-2)
4 - Fuse 4 on fuse holder A - SA4-4 - Fuse 4 on fuse holder A - SA4-5 - Fuse 5 on fuse holder A - SA5-6 - Fuse 6 on fuse holder A - SA6-7 - Fuse 7 on fuse holder A - SA7-50 A - X-contact relief relay -J59-3) - Onboard supply control unit -J519-3) 80 A - X-contact relief relay -J59-4) - Onboard supply control unit -J519-4) 100 A -- Fuse SC20 up to SC24 on fuse holder C -SC- Fuse SC42 up to SC53 on fuse holder C -SC- - - Vacant - 50 A - Fuse SC39 up to SC41 on fuse holder C -SC- 5) Note t 1) only models with 140 A alternator t 2) only for models with increased blower output t 3) only models with central locking t 4) only models without central lock t 5) only models with trailer operation
Position of fuses on fuse holder A -SA-, from September 2007 No. Current Flow Diagram designation 1 - Fuse 1 on fuse holder A - SA1-1 - Fuse 1 on fuse holder A - SA1-2 - Fuse 2 on fuse holder A - SA2-3 - Fuse 3 on fuse holder A - SA3-3 - Fuse 3 on fuse holder A - SA3- Nominal Function/component Terminal value 0 A - Alternator -C- 200 A - Alternator -C- 1) 80 A - Power steering control unit -J500- - Electromechanical power steering motor -V187-50 A - Radiator fan control unit -J293-80 A - Radiator fan control unit -J293-2)
4 - Fuse 4 on fuse holder A - SA4-4 - Fuse 4 on fuse holder A - SA4-5 - Fuse 5 on fuse holder A - SA5-6 - Fuse 6 on fuse holder A - SA6-7 - Fuse 7 on fuse holder A - SA7-50 A - X-contact relief relay -J59-3) - Onboard supply control unit -J519-3) 80 A - X-contact relief relay -J59-4) - Onboard supply control unit -J519-4) 100 A -- Fuse SC20 up to SC24 on fuse holder C -SC- Fuse SC42 up to SC53 on fuse holder C -SC- 100 A - Auxiliary heater element -Z35-50 A - Fuse SC39 up to SC41 on fuse holder C -SC- 5) Note t 1) only models with 140 A alternator t 2) only for models with increased blower output t 3) only models with central locking t 4) only models without central lock t 5) only models with trailer operation
Position of fuses on fuse holder A -SA-, from May 2008 No. Current Flow Diagram designation 1 - Fuse 1 on fuse holder A -SA1-1 - Fuse 1 on fuse holder A -SA1-2 - Fuse 2 on fuse holder A -SA2-3 - Fuse 3 on fuse holder A -SA3-4 - Fuse 4 on fuse holder A -SA4- Nominal Function/component Terminal value 0 A - Alternator -C- 200 A - Alternator -C- 1) 80 A - Power steering control unit -J500- - Electromechanical power steering motor - V187-50 A - Radiator fan thermal switch -F18- Radiator fan control unit -J293-5) 50 A - X-contact relief relay -J59-3) Onboard supply control unit -J519-3)
4 - Fuse 4 on fuse holder A -SA4-5 - Fuse 5 on fuse holder A -SA5-6 - Fuse 6 on fuse holder A -SA6-7 - Fuse 7 on fuse holder A -SA7-80 A - X-contact relief relay -J59-4) - Onboard supply control unit -J519-4) 100 A - Fuse SC20 up to SC24 on fuse holder C -SC- - Fuse SC42 up to SC52 on fuse holder C -SC- (applicable up to May 2009) Fuse SC43 up to SC53 on fuse holder C -SC- (applicable from May 2009) 50 A - Low heat output relay -J359-2) 100 A - High heat output relay -J360-2) Note t 1) only models with 140 A alternator t 2) only models with auxiliary air heater t 3) only models with central locking t 4) only models without central lock t 5) only models with variable radiator fan
Position of fuses on fuse holder A -SA-, from November 2008 No. Current Flow Diagram designation 1 - Fuse 1 on fuse holder A -SA1-1 - Fuse 1 on fuse holder A -SA1-2 - Fuse 2 on fuse holder A -SA2-3 - Fuse 3 on fuse holder A -SA3-4 - Fuse 4 on fuse holder A -SA4- Nominal Function/component Terminal value 0 A - Alternator -C- 200 A - Alternator -C- 1) 80 A - Power steering control unit -J500- Electromechanical power steering motor - V187-50 A - Radiator fan thermal switch -F18- Radiator fan control unit -J293-3) 80 A - X-contact relief relay -J59- Onboard supply control unit -J519-
5 - Fuse 5 on fuse holder A -SA5-6 - Fuse 6 on fuse holder A -SA6-7 - Fuse 7 on fuse holder A -SA7-80 A - Fuse SC20 up to SC24 on fuse holder C -SC- Fuse SC42 up to SC52 on fuse holder C -SC- (applicable up to May 2009) Fuse SC43 up to SC53 on fuse holder C -SC- (applicable from May 2009) 40 A - Low heat output relay -J359-2) 80 A - High heat output relay -J360-2) Note t 1) only models with 140 A alternator t 2) only models with auxiliary air heater t 3) only models with variable radiator fan Fuse holder B -SB- on electronics box, on left of engine compartment, from November 2003 Fuse colours
A - green 25 A - white 20 A - yellow A - blue 10 A - red 7,5 A - brown 5 A - beige 3 A - purple Fuse locations on fuse holder B -SB-, from October 2003 No. Current Flow Diagram designation 1 - Fuse 1 on fuse holder B -SB1-2 - Fuse 2 on fuse holder B -SB2-3 - Fuse 3 on fuse holder B -SB3-4 - Fuse 4 on fuse holder B -SB4-5 - Fuse 5 on fuse holder B -SB5-6 - Fuse 6 on fuse holder B -SB6-7 - Fuse 7 on fuse holder B -SB7-8 - Fuse 8 on fuse holder B -SB8- Nominal value Function/component Terminal A - ABS control unit -J104- A - ABS control unit -J104- - - Vacant 5 A - Onboard supply control unit -J519-20 A ---Treble tone horn -H2- Bass tone horn -H7- Dual tone horn relay -J4-20 A - - - 5 A - - Ignition coil 1 with output stage -N70- Ignition coil 2 with output stage -N127- Ignition coil 3 with output stage -N291- Ignition coil 4 with output stage -N292- Ignition transformer -N2- Brake pedal switch -F47- J... - Engine control units Clutch position sender -G476-10 A - Exhaust gas recirculation valve -N18- -- Activated charcoal filter system solenoid valve 1 - N80- Radiator fan control unit -J293- Intake manifold flap motor -V7-87 10 A - Fuel pump relay -J17- (BDJ, BJB) 87 9 - Fuse 9 on fuse holder B -SB9-10 - Fuse 10 on fuse 10 A - Exhaust gas recirculation valve -N18-87
holder B -SB10-11 - Fuse 11 on fuse holder B -SB11-12 - Fuse 12 on fuse holder B -SB12-13 - Fuse 13 on fuse holder B -SB13-14 - Fuse 14 on fuse holder B -SB14- - Fuse on fuse holder B -SB- 16 - Fuse 16 on fuse holder B -SB16-17 - Fuse 17 on fuse holder B -SB17-18 - Fuse 18 on fuse holder B -SB18-19 - Fuse 19 on fuse holder B -SB19-20 - Fuse 20 on fuse holder B -SB20-21 - Fuse 21 on fuse holder B -SB21-22 - Fuse 22 on fuse holder B -SB22-23 - Fuse 23 on fuse holder B -SB23-24 - Fuse 24 on fuse holder B -SB24-25 - Fuse 25 on fuse holder B -SB25-26 - Fuse 26 on fuse holder B -SB26-25 A A -- Altitude correction solenoid valve -N78- Exhaust gas recirculation cooler change-over valve -N345- - - A - - Motronic control unit -J220- (BCA, BGU) Diesel direct injection system control unit -J248- (BDJ, BJB) Lambda probe -G39- (BCA) Lambda probe after catalytic converter -G1- (BCA) - - Vacant - - Vacant 40 A - Starter -B- (Terminal 50) 50 A - Steering column electronics control unit -J527-10 A - Control unit in dash panel insert -J285- - - Vacant A -- Radio -R- Control unit with display for radio and navigation system -J503-10 A - Mobile telephone operating electronics control unit -J412- - - Vacant - - Vacant - - Vacant 10 A - Data bus diagnostic interface -J533- - - Vacant 10 A 5 A - - Motronic control unit -J220- (BCA) Terminal voltage supply relay -J317- (BCA, BDJ, BJB ) 27 - Fuse 27 on fuse 10 A - Heater element for crankcase breather -N79- holder B -SB27-28 - Fuse 28 on fuse - - Vacant holder B -SB28-29 - Fuse 29 on fuse 20 A - Injector, cylinder 1 -N- (BCA) 87 87
holder B -SB29- - Fuse on fuse holder B -SB- 31 - Fuse 31 on fuse holder B -SB31-32 - Fuse 32 on fuse holder B -SB32-33 - Fuse 33 on fuse holder B -SB33-34 - Fuse 34 on fuse holder B -SB34-35 - Fuse 35 on fuse holder B -SB35-36 - Fuse 36 on fuse holder B -SB36-37 - Fuse 37 on fuse holder B -SB37-38 - Fuse 38 on fuse holder B -SB38-39 - Fuse 39 on fuse holder B -SB39-40 - Fuse 40 on fuse holder B -SB40-41 - Fuse 41 on fuse holder B -SB41-42 - Fuse 42 on fuse holder B -SB42-43 - Fuse 43 on fuse holder B -SB43-44 - Fuse 44 on fuse holder B -SB44-45 - Fuse 45 on fuse holder B -SB45- Injector, cylinder 2 -N31- (BCA) Injector, cylinder 3 -N32- (BCA) Injector, cylinder 4 -N33- (BCA) 20 A - Auxiliary heater control unit -J364- A - Windscreen wiper motor -V- 40 A -- Glow plug 1 -Q10- (BDJ) Glow plug 2 -Q11- (BDJ) 87 40 A - Glow plug 3 -Q12- (BDJ) 87 -- Glow plug 4 -Q13- (BDJ) A Fuel system pressurisation pump -G6- (BCA, BGU) - - Vacant - - - Vacant - - - Vacant - - - Vacant - 10 A - Headlight range control regulator -E102- -- Left headlight range control motor -V48- Right headlight range control motor -V49-5 A - Oil level and oil temperature sender -G266- - Control unit in dash panel insert -J285-20 A - - SC1, SC2, SC3, SC4, SC5, SC6, SC9, SC10, SC11, SC12, SC13, SC14, SC, SC16, SC25, SC26, SC27 on fuse holder C -SC- - - Vacant 5 A 10 A - Fuel pump relay -J17- (BCA, BGU) -- Glow plug relay -J52- (BDJ) Air mass meter -G70- (BJB) - - Vacant - - Vacant 87a A - - Lambda probe -G39- (BGU) Lambda probe after catalytic converter -G1- (BGU) 46 - Fuse 46 on fuse - - Vacant 87a holder B -SB46-47 - Fuse 47 on fuse 40 A - Onboard supply control unit -J519-, left headlight 87a
holder B -SB47-48 - Fuse 48 on fuse holder B -SB48-49 - Fuse 49 on fuse holder B -SB49-50 - Fuse 50 on fuse holder B -SB50-51 - Fuse 51 on fuse holder B -SB51-52 - Fuse 52 on fuse holder B -SB52-53 - Fuse 53 on fuse holder B -SB53-54 - Fuse 54 on fuse holder B -SB54- (models with central locking) 40 A - Onboard supply control unit -J519-, right headlight (models with central locking) - - Vacant - - Vacant 50 A 40 A - - - - Automatic glow period control unit -J179- (BJB) Glow plug 1 -Q10- (BJB) Glow plug 2 -Q11- (BJB) Glow plug 3 -Q12- (BJB) Glow plug 4 -Q13- (BJB) Secondary air pump relay -J299- (BGU) Secondary air pump motor -V101- (BGU) - - Vacant 25 A -- Driver door control unit -J386- Front passenger door control unit -J387-50 A - Radiator fan control unit -J293- Fuse holder B -SB- on electronics box, on left of engine compartment, from May 2005 Fuse colours
50 A - red 40 A - orange A - green 25 A - white 20 A - yellow A - blue 10 A - red 7,5 A - brown 5 A - beige 3 A - purple Fuse locations on fuse holder B -SB-, from May 2005 No. Current Flow Nominal Function/component Terminal
Diagram designation 1 - Fuse 1 on fuse holder B -SB1-2 - Fuse 2 on fuse holder B -SB2-3 - Fuse 3 on fuse holder B -SB3-4 - Fuse 4 on fuse holder B -SB4-5 - Fuse 5 on fuse holder B -SB5-6 - Fuse 6 on fuse holder B -SB6-7 - Fuse 7 on fuse holder B -SB7-8 - Fuse 8 on fuse holder B -SB8-9 - Fuse 9 on fuse holder B -SB9-10 - Fuse 10 on fuse holder B -SB10-11 - Fuse 11 on fuse holder B -SB11-12 - Fuse 12 on fuse holder B -SB12-13 - Fuse 13 on fuse holder B -SB13-14 - Fuse 14 on fuse holder B -SB14- value - - Vacant - A - Steering column electronics control unit - J527-5 A - Onboard supply control unit -J519- A - ABS control unit -J104- A - Mechatronic unit for dual clutch gearbox - J743- (only models with direct shift gearbox) 5 A - Control unit in dash panel insert -J285- - - Vacant - A -- Control unit with display for radio and navigation system -J503- Radio -R- 10 A - Mobile telephone operating electronics control unit -J412- (only models with telephone) 5 A --- Motronic current supply relay -J271- (BSX) Terminal voltage supply relay -J329- (BDJ, BST, BLS, BSU, BJB, BCA, BUD) Engine control unit -J623- BCA, BUD, BSX) 20 A - Auxiliary heater control unit -J364-5 A - Data bus diagnostic interface -J533- A - Engine control unit -J623-20 A ---- Ignition coil 1 with output stage -N70- (BCA, BSX, BUD) Ignition coil 2 with output stage -N127- (BCA, BSX, BUD) Ignition coil 3 with output stage -N291- (BCA, BSX, BUD) Ignition coil 4 with output stage -N292- (BCA, BSX, BUD) Ignition transformer -N2- (BGU, BSE, BSF)
- Fuse on fuse holder B -SB- - Fuse on fuse holder B -SB- 16 - Fuse 16 on fuse holder B -SB16-17 - Fuse 17 on fuse holder B -SB17-18 - Fuse 18 on fuse holder B -SB18-19 - Fuse 19 on fuse holder B -SB19-20 - Fuse 20 on fuse holder B -SB20-21 - Fuse 21 on fuse holder B -SB21-21 - Fuse 21 on fuse holder B -SB21-22 - Fuse 22 on fuse holder B -SB22-23 - Fuse 23 on fuse holder B -SB23-5 A --- Fuel pump relay -J17- (BDJ, BST, BLS, BSU, BJB) Glow plug relay -J52- (BDJ, BST) Automatic glow period control unit -J179- (BLS, BSU, BJB) 10 A ---------Fuel pump switch-off relay -J333- (BSX) Injector, cylinder 1 -N- (BUD) Injector, cylinder 2 -N31- (BUD) Injector, cylinder 3 -N32- (BUD) Injector, cylinder 4 -N33- (BUD) Gas injection valve 1 -N366- (BSX) Gas injection valve 2 -N367- (BSX) Gas injection valve 3 -N368- (BSX) Gas injection valve 4 -N369- (BSX) A - ABS control unit -J104-20 A - Onboard supply control unit -J519- A - Special vehicle control unit -J608- A - Windscreen wiper motor -V- 40 A -- Glow plug 3 -Q12- (BDJ, BST) Glow plug 4 -Q13- (BDJ, BST) 10 A - Lambda probe -G39- (BLS with particulate filter/preparation for particulate filter) A -- Lambda probe -G39- (BGU, BSE, BSF, BCA, BSX, BUD) Lambda probe after catalytic converter - G1- (BGU, BSE, BSF, BCA, BSX, BUD) 5 A -- Brake pedal switch -F47- (applicable up to May 2006) Clutch position sender -G476- (only models with manual gearbox) 5 A ---- Secondary air pump relay -J299- (BGU, BSE) Exhaust gas recirculation valve -N18- (BDJ, BST, BJB) Charge pressure control solenoid valve - N75- (BJB) Exhaust gas recirculation cooler changeover valve -N345- (BJB, BLS, BSU) Exhaust gas recirculation cooler changeover valves 2 -N381- (BLS, BSU) 87
23 - Fuse 23 on fuse holder B -SB23-24 - Fuse 24 on fuse holder B -SB24-25 - Fuse 25 on fuse holder B -SB25-26 - Fuse 26 on fuse holder B -SB26-27 - Fuse 27 on fuse holder B -SB27-27 - Fuse 27 on fuse holder B -SB27-28 - Fuse 28 on fuse holder B -SB28-29 - Fuse 29 on fuse holder B -SB29- - Fuse on fuse holder B -SB- 10 A ----- Fuel tank shut-off valve 1 -N361- (BSX) Fuel tank shut-off valve 2 -N362- (BSX) Fuel tank shut-off valve 3 -N363- (BSX) High pressure valve for gas mode -N372- (BSX) Fuel tank shut-off valve 4 -N429- (BSX) 10 A ---------Exhaust gas recirculation valve -N18- - (BCA) Injector, cylinder 1 -N- (BSX) Injector, cylinder 2 -N31- (BSX) Injector, cylinder 3 -N32- (BSX) Injector, cylinder 4 -N33- (BSX) Activated charcoal filter system solenoid valve 1 -N80- (BCA, BGU, BSE, BSF, BUD) Variable intake manifold change-over valve -N6- (BGU, BSE, BSF) Intake manifold flap motor -V7- (BDJ, BST) radiator fan connection 40 A - Onboard supply control unit -J519-40 A - Onboard supply control unit -J519-40 A --- Glow plug 1 -Q10- (BDJ, BST) Glow plug 2 -Q11- (BDJ, BST) Secondary air pump motor -V101- (BGU, BSE) 87 50 A - Automatic glow period control unit -J179- (BJB, BLS, BSU) 40 A - Terminal voltage supply relay 2 -J681- A -- Driver door control unit -J386- (only for model with electric window regulator) Front passenger door control unit -J387- (only for model with electric window regulator) A -- - Fuse SC18 - SC19 on fuse holder C -SC- (applies to special vehicle only) - Fuse SC53 - SC56 on fuse holder C -SC- (applies to special vehicle only)
Fuse locations on fuse holder B - SB-, from November 2006 No. Current Flow Diagram designation 1 - Fuse 1 on fuse holder B -SB1-2 - Fuse 2 on fuse holder B -SB2-3 - Fuse 3 on fuse holder B -SB3-4 - Fuse 4 on fuse holder B -SB4-5 - Fuse 5 on fuse holder B -SB5- Nominal value Function/component Terminal - - Vacant - A - Steering column electronics control unit - J527-5 A - Onboard supply control unit -J519- A - ABS control unit -J104- A - Mechatronic unit for dual clutch gearbox - J743- (only models with direct shift
6 - Fuse 6 on fuse holder B -SB6-7 - Fuse 7 on fuse holder B -SB7-8 - Fuse 8 on fuse holder B -SB8-9 - Fuse 9 on fuse holder B -SB9-10 - Fuse 10 on fuse holder B -SB10-11 - Fuse 11 on fuse holder B -SB11-12 - Fuse 12 on fuse holder B -SB12-13 - Fuse 13 on fuse holder B -SB13-14 - Fuse 14 on fuse holder B -SB14- - Fuse on fuse holder B -SB- - Fuse on fuse holder B -SB- gearbox) 5 A - Control unit in dash panel insert -J285- - - Vacant - A -- Control unit with display for radio and navigation system -J503- Radio -R- 10 A - Mobile telephone operating electronics control unit -J412- (only models with telephone) 5 A --- Motronic current supply relay -J271- (BSX) Terminal voltage supply relay -J329- (BDJ, BST, BLS, BSU, BJB, BUD) Engine control unit -J623- (BUD, BSX) 20 A - Auxiliary heater control unit -J364-5 A - Data bus diagnostic interface -J533- A - Engine control unit -J623-20 A ---- Ignition coil 1 with output stage -N70- (BSX, BUD) Ignition coil 2 with output stage -N127- (BSX, BUD) Ignition coil 3 with output stage -N291- (BSX, BUD) Ignition coil 4 with output stage -N292- (BSX, BUD) Ignition transformer -N2- (BSE, BSF) 5 A --- Fuel pump relay -J17- (BDJ, BST, BLS, BSU, BJB) Glow plug relay -J52- (BDJ, BST) Automatic glow period control unit -J179- (BLS, BSU, BJB) 10 A --------- Fuel pump switch-off relay -J333- (BSX) Injector, cylinder 1 -N- (BUD) Injector, cylinder 2 -N31- (BUD) Injector, cylinder 3 -N32- (BUD) Injector, cylinder 4 -N33- (BUD) Gas injection valve 1 -N366- (BSX) Gas injection valve 2 -N367- (BSX) Gas injection valve 3 -N368- (BSX) Gas injection valve 4 -N369- (BSX)
16 - Fuse 16 on fuse holder B -SB16-17 - Fuse 17 on fuse holder B -SB17-18 - Fuse 18 on fuse holder B -SB18-19 - Fuse 19 on fuse holder B -SB19-20 - Fuse 20 on fuse holder B -SB20-21 - Fuse 21 on fuse holder B -SB21-21 - Fuse 21 on fuse holder B -SB21-22 - Fuse 22 on fuse holder B -SB22-23 - Fuse 23 on fuse holder B -SB23-23 - Fuse 23 on fuse holder B -SB23-24 - Fuse 24 on fuse holder B -SB24- A - ABS control unit -J104-20 A - Onboard supply control unit -J519- A - Special vehicle control unit -J608- A - Windscreen wiper motor -V- 40 A -- Glow plug 3 -Q12- (BDJ, BST) Glow plug 4 -Q13- (BDJ, BST) 10 A - Lambda probe -G39- (BLS with particulate filter/preparation for particulate filter) A -- Lambda probe heater -Z19- (BSE, BSF, BSX, BUD) Lambda probe 1 heater after catalytic converter -Z29- (BSE, BSF, BSX, BUD) 5 A -- Clutch position sender -G476- (only models with manual gearbox) 5 A ---- Secondary air pump relay -J299- (BSE, BSF) Exhaust gas recirculation valve -N18- (BDJ, BST, BJB) Charge pressure control solenoid valve - N75- (BJB) Exhaust gas recirculation cooler changeover valve -N345- (BJB, BLS, BSU) Exhaust gas recirculation cooler changeover valves 2 -N381- (BJB, BLS, BSU) 10 A ----- Fuel tank shut-off valve 1 -N361- (BSX) Fuel tank shut-off valve 2 -N362- (BSX) Fuel tank shut-off valve 3 -N363- (BSX) High pressure valve for gas mode -N372- (BSX) Fuel tank shut-off valve 4 -N429- (BSX) 10 A --------- Injector, cylinder 1 -N- (BSX) Injector, cylinder 2 -N31- (BSX) Injector, cylinder 3 -N32- (BSX) Injector, cylinder 4 -N33- (BSX) Activated charcoal filter system solenoid valve 1 -N80- (BSE, BSF, BUD) Variable intake manifold change-over valve -N6- (BSE, BSF) Intake manifold flap motor -V7- (BDJ, BST) Radiator fan connection (T4x connector) 87
25 - Fuse 25 on fuse holder B -SB25-26 - Fuse 26 on fuse holder B -SB26-27 - Fuse 27 on fuse holder B -SB27-27 - Fuse 27 on fuse holder B -SB27-28 - Fuse 28 on fuse holder B -SB28-29 - Fuse 29 on fuse holder B -SB29- - Fuse on fuse holder B -SB- 40 A - Onboard supply control unit -J519-40 A - Onboard supply control unit -J519-40 A --- Glow plug 1 -Q10- (BDJ, BST) Glow plug 2 -Q11- (BDJ, BST) Secondary air pump motor -V101- (BSE, BSF) 87 50 A - Automatic glow period control unit -J179- (BJB, BLS, BSU) 40 A - Terminal voltage supply relay 2 -J681- A -- Driver door control unit -J386- (only for model with electric window regulator) Front passenger door control unit -J387- (only for model with electric window regulator) A -- Fuse SC18 - SC19 on fuse holder C -SC- (applies to special vehicle only) Fuse SC53 - SC56 on fuse holder C -SC- (applies to special vehicle only)
Fuse locations on fuse holder B - SB-, from May 2007 No. Current Flow Diagram designation 1 - Fuse 1 on fuse holder B -SB1-2 - Fuse 2 on fuse holder B -SB2-3 - Fuse 3 on fuse holder B -SB3-4 - Fuse 4 on fuse holder B -SB4-5 - Fuse 5 on fuse holder B -SB5- Nominal value Function/component Terminal - - Vacant - 5 A - Steering column electronics control unit - J527-5 A - Onboard supply control unit -J519- A - ABS control unit -J104- A - Mechatronic unit for dual clutch gearbox - J743- (only models with direct shift gearbox)
6 - Fuse 6 on fuse holder B -SB6-7 - Fuse 7 on fuse holder B -SB7-8 - Fuse 8 on fuse holder B -SB8-9 - Fuse 9 on fuse holder B -SB9-10 - Fuse 10 on fuse holder B -SB10-11 - Fuse 11 on fuse holder B -SB11-12 - Fuse 12 on fuse holder B -SB12-13 - Fuse 13 on fuse holder B -SB13-13 - Fuse 13 on fuse holder B -SB13-14 - Fuse 14 on fuse holder B -SB14- - Fuse on fuse holder B -SB- - Fuse on fuse holder B -SB- 5 A - Control unit in dash panel insert -J285- - - Vacant - A - Control unit with display for radio and navigation system -J503- Radio -R- 5 A - Mobile telephone operating electronics control unit -J412- (only models with telephone) 5 A --- Motronic current supply relay -J271- (BSX) Terminal voltage supply relay -J329- (BDJ, BST, BLS, BSU, BJB, BUD) Engine control unit -J623- (BUD, BSX) 20 A - Auxiliary heater control unit -J364-5 A - Data bus diagnostic interface -J533- A - Engine control unit -J623- (BDJ, BST, BLS, BSU, BJB, BMM) A - Engine control unit -J623- (BSE, BSF, BSX, BUD) 20 A ---- Ignition coil 1 with output stage -N70- (BSX, BUD) Ignition coil 2 with output stage -N127- (BSX, BUD) Ignition coil 3 with output stage -N291- (BSX, BUD) Ignition coil 4 with output stage -N292- (BSX, BUD) Ignition transformer -N2- (BSE, BSF, BSX) 5 A --- Fuel pump relay -J17- (BDJ, BST, BLS, BSU, BJB, BMM) Glow plug relay -J52- (BDJ, BST) Automatic glow period control unit -J179- (BLS, BSU, BJB, BMM) 10 A --------- Fuel pump switch-off relay -J333- (BSX) Injector, cylinder 1 -N- (BUD) Injector, cylinder 2 -N31- (BUD) Injector, cylinder 3 -N32- (BUD) Injector, cylinder 4 -N33- (BUD) Gas injection valve 1 -N366- (BSX) Gas injection valve 2 -N367- (BSX) Gas injection valve 3 -N368- (BSX)
16 - Fuse 16 on fuse holder B -SB16-17 - Fuse 17 on fuse holder B -SB17-18 - Fuse 18 on fuse holder B -SB18-19 - Fuse 19 on fuse holder B -SB19-20 - Fuse 20 on fuse holder B -SB20-21 - Fuse 21 on fuse holder B -SB21-21 - Fuse 21 on fuse holder B -SB21-22 - Fuse 22 on fuse holder B -SB22-23 - Fuse 23 on fuse holder B -SB23-23 - Fuse 23 on fuse holder B -SB23-24 - Fuse 24 on fuse holder B -SB24- Gas injection valve 4 -N369- (BSX) A - ABS control unit -J104- A - Treble tone horn -H2- Bass tone horn -H7- A - Special vehicle control unit -J608- A - Windscreen wiper motor -V- 40 A -- Glow plug 3 -Q12- (BDJ, BST) Glow plug 4 -Q13- (BDJ, BST) 10 A - Lambda probe heater -Z19- (BLS with particulate filter/preparation for particulate filter) A -- Lambda probe heater -Z19- (BSE, BSF, BSX, BUD) Lambda probe 1 heater after catalytic converter -Z29- (BSE, BSF, BSX, BUD) 5 A -- Clutch position sender -G476- (only models with manual gearbox) 5 A ---- Secondary air pump relay -J299- (BSE, BSF) Exhaust gas recirculation valve -N18- (BDJ, BST, BJB) Charge pressure control solenoid valve -N75- (BJB) Exhaust gas recirculation cooler change-over valve -N345- (BJB, BLS, BSU) Exhaust gas recirculation cooler change-over valves 2 -N381- (BJB, BLS, BSU) 10 A ----- Fuel tank shut-off valve 1 -N361- (BSX) Fuel tank shut-off valve 2 -N362- (BSX) Fuel tank shut-off valve 3 -N363- (BSX) High pressure valve for gas mode -N372- (BSX) Fuel tank shut-off valve 4 -N429- (BSX) 10 A --------- Injector, cylinder 1 -N- (BSX) Injector, cylinder 2 -N31- (BSX) Injector, cylinder 3 -N32- (BSX) Injector, cylinder 4 -N33- (BSX) Activated charcoal filter system solenoid valve 1 -N80- (BSE, BSF, BUD) Variable intake manifold change-over valve - N6- (BSE, BSF) Intake manifold flap motor -V7- (BDJ, BST) 87
25 - Fuse 25 on fuse holder B -SB25-26 - Fuse 26 on fuse holder B -SB26-27 - Fuse 27 on fuse holder B -SB27-27 - Fuse 27 on fuse holder B -SB27-28 - Fuse 28 on fuse holder B -SB28-29 - Fuse 29 on fuse holder B -SB29- - Fuse on fuse holder B -SB- Radiator fan connection (T4x connector) 40 A - Onboard supply control unit -J519-40 A - Onboard supply control unit -J519-40 A --- Glow plug 1 -Q10- (BDJ, BST) Glow plug 2 -Q11- (BDJ, BST) Secondary air pump motor -V101- (BSE, BSF) 87 50 A - Automatic glow period control unit -J179- (BJB, BLS, BSU) 40 A - Terminal voltage supply relay 2 -J681- A -- Driver door control unit -J386- (only for model with electric window regulator) Front passenger door control unit -J387- (only for model with electric window regulator) A -- Fuse SC18 - SC19 on fuse holder C -SC- (applies to special vehicle only) Fuse SC36 - SC38 on fuse holder C -SC- (applies to special vehicle only) Fuse SC53 - SC56 on fuse holder C -SC- (applies to special vehicle only) 50 A Auxiliary heater element -Z35- (only models with PTC (Positive Temperature Coefficient) heater, from September 2007)
Fuse locations on fuse holder B - SB- from November 2007 No. Current Flow Diagram designation 1 - Fuse 1 on fuse holder B -SB1-2 - Fuse 2 on fuse holder B -SB2-3 - Fuse 3 on fuse holder B -SB3-4 - Fuse 4 on fuse holder B -SB4-5 - Fuse 5 on fuse holder B -SB5- Nominal value Function/component Terminal - - Vacant - 5 A - Steering column electronics control unit - J527-5 A - Onboard supply control unit -J519- A - ABS control unit -J104- A - Mechatronic unit for dual clutch gearbox - J743- (only models with direct shift gearbox)
6 - Fuse 6 on fuse holder B -SB6-7 - Fuse 7 on fuse holder B -SB7-8 - Fuse 8 on fuse holder B -SB8-9 - Fuse 9 on fuse holder B -SB9-10 - Fuse 10 on fuse holder B -SB10-10 - Fuse 10 on fuse holder B -SB10-11 - Fuse 11 on fuse holder B -SB11-12 - Fuse 12 on fuse holder B -SB12-13 - Fuse 13 on fuse holder B -SB13-13 - Fuse 13 on fuse holder B -SB13-14 - Fuse 14 on fuse holder B -SB14- - Fuse on fuse holder B -SB- - Fuse on fuse holder B -SB- 5 A - Control unit in dash panel insert -J285- - - Vacant - A - - Control unit with display for radio and navigation system -J503- Radio -R- 5 A - Mobile telephone operating electronics control unit -J412- (only models with telephone) 5 A --- Terminal voltage supply relay -J329- (BDJ, BST, BLS, BSU, BJB, BUD) Engine control unit -J623- (BUD, BSX) 10 A --- Motronic current supply relay -J271- (BSX) 20 A - Auxiliary heater control unit -J364-5 A - Data bus diagnostic interface -J533- A - Engine control unit -J623- (BDJ, BST, BLS, BSU, BJB, BMM) A - Engine control unit -J623- (BSE, BSF, BSX, BUD) 20 A ---- Ignition coil 1 with output stage -N70- (BSX, BUD) Ignition coil 2 with output stage -N127- (BSX, BUD) Ignition coil 3 with output stage -N291- (BSX, BUD) Ignition coil 4 with output stage -N292- (BSX, BUD) Ignition transformer -N2- (BSE, BSF, BSX) 5 A --- Fuel pump relay -J17- (BDJ, BST, BLS, BSU, BJB, BMM) Glow plug relay -J52- (BDJ, BST) Automatic glow period control unit -J179- (BLS, BSU, BJB, BMM) 10 A --------- Fuel pump switch-off relay -J333- (BSX) Injector, cylinder 1 -N- (BUD) Injector, cylinder 2 -N31- (BUD) Injector, cylinder 3 -N32- (BUD) Injector, cylinder 4 -N33- (BUD) Gas injection valve 1 -N366- (BSX) Gas injection valve 2 -N367- (BSX)
16 - Fuse 16 on fuse holder B -SB16-17 - Fuse 17 on fuse holder B -SB17-18 - Fuse 18 on fuse holder B -SB18-19 - Fuse 19 on fuse holder B -SB19-20 - Fuse 20 on fuse holder B -SB20-21 - Fuse 21 on fuse holder B -SB21-21 - Fuse 21 on fuse holder B -SB21-22 - Fuse 22 on fuse holder B -SB22-23 - Fuse 23 on fuse holder B -SB23-23 - Fuse 23 on fuse holder B -SB23-24 - Fuse 24 on fuse holder B -SB24- Gas injection valve 3 -N368- (BSX) Gas injection valve 4 -N369- (BSX) A - ABS control unit -J104- A - Treble tone horn -H2- Bass tone horn -H7- A - Special vehicle control unit -J608- A - Windscreen wiper motor -V- 40 A -- Glow plug 3 -Q12- (BDJ, BST) Glow plug 4 -Q13- (BDJ, BST) 10 A - Lambda probe heater -Z19- (BLS with particulate filter/preparation for particulate filter) A -- Lambda probe heater -Z19- (BSE, BSF, BSX, BUD) Lambda probe 1 heater after catalytic converter -Z29- (BSE, BSF, BSX, BUD) 5 A -- Clutch position sender -G476- (only models with manual gearbox) 5 A ---- Secondary air pump relay -J299- (BSE, BSF) Exhaust gas recirculation valve -N18- (BDJ, BST, BJB) Charge pressure control solenoid valve -N75- (BJB) Exhaust gas recirculation cooler change-over valve -N345- (BJB, BLS, BSU) 10 A ----- Fuel tank shut-off valve 1 -N361- (BSX) Fuel tank shut-off valve 2 -N362- (BSX) Fuel tank shut-off valve 3 -N363- (BSX) Fuel tank shut-off valve 4 -N429- (BSX) High pressure valve for gas mode -N372- (BSX) 10 A --------- Injector, cylinder 1 -N- (BSX) Injector, cylinder 2 -N31- (BSX) Injector, cylinder 3 -N32- (BSX) Injector, cylinder 4 -N33- (BSX) Activated charcoal filter system solenoid valve 1 -N80- (BSE, BSF, BUD) Variable intake manifold change-over valve - N6- (BSE, BSF) Intake manifold flap motor -V7- (BDJ, BST) Radiator fan connection (T4x connector) 87
25 - Fuse 25 on fuse holder B -SB25-26 - Fuse 26 on fuse holder B -SB26-27 - Fuse 27 on fuse holder B -SB27-27 - Fuse 27 on fuse holder B -SB27-28 - Fuse 28 on fuse holder B -SB28-29 - Fuse 29 on fuse holder B -SB29- - Fuse on fuse holder B -SB- 40 A - Onboard supply control unit -J519-40 A - Onboard supply control unit -J519-40 A --- Glow plug 1 -Q10- (BDJ, BST) Glow plug 2 -Q11- (BDJ, BST) Secondary air pump motor -V101- (BSE, BSF) 87 50 A - Automatic glow period control unit -J179- (BJB, BLS, BSU) 40 A - Terminal voltage supply relay 2 -J681- A -- Driver door control unit -J386- (only for model with electric window regulator) Front passenger door control unit -J387- (only for model with electric window regulator) A 50 A - ---- Fuse SC18 - SC19 on fuse holder C -SC- (applies to special vehicle only) Fuse SC36 - SC38 on fuse holder C -SC- (applies to special vehicle only) Fuse SC53 - SC56 on fuse holder C -SC- (applies to special vehicle only) Auxiliary heater element -Z35- (only models with PTC (Positive Temperature Coefficient) heater, from September 2007)
Fuse locations on fuse holder B - SB-, from May 2008 No. Current Flow Diagram designation 1 - Fuse 1 on fuse holder B -SB1-2 - Fuse 2 on fuse holder B -SB2-3 - Fuse 3 on fuse holder B -SB3-4 - Fuse 4 on fuse holder B -SB4-5 - Fuse 5 on fuse holder B -SB5- Nominal value Function/component Terminal - - Vacant - - - Vacant - 5 A - Onboard supply control unit -J519- A - ABS control unit -J104- A - Mechatronic unit for dual clutch gearbox - J743- (only models with direct shift
6 - Fuse 6 on fuse holder B -SB6-6 - Fuse 6 on fuse holder B -SB6-7 - Fuse 7 on fuse holder B -SB7-8 - Fuse 8 on fuse holder B -SB8-9 - Fuse 9 on fuse holder B -SB9-10 - Fuse 10 on fuse holder B -SB10-10 - Fuse 10 on fuse holder B -SB10-11 - Fuse 11 on fuse holder B -SB11-12 - Fuse 12 on fuse holder B -SB12-13 - Fuse 13 on fuse holder B -SB13-13 - Fuse 13 on fuse holder B -SB13-14 - Fuse 14 on fuse holder B -SB14- - Fuse on fuse holder B -SB- - Fuse on fuse holder B -SB- gearbox) 5 A - Control unit in dash panel insert -J285- (applicable up to November 2008) Steering column electronics control unit - J527- (applicable up to November 2008) - - Vacant (applicable from November 2008) - 40 A - Terminal voltage supply relay 2 -J681- A - - Control unit with display for radio and navigation system -J503- Radio -R- 5 A - Mobile telephone operating electronics control unit -J412- (only models with telephone) 5 A --- Terminal voltage supply relay -J329- (BDJ, BST, BLS, BSU, BJB, BMM, BUD) Engine control unit -J623- (BUD, BSX) 10 A --- Motronic current supply relay -J271- (BSX) 20 A - Auxiliary heater control unit -J364-5 A - Data bus diagnostic interface -J533- A - Engine control unit -J623- (BDJ, BST, BLS, BSU, BJB, BMM) A - Engine control unit -J623- (BSE, BSF, BSX, BUD) 20 A ---- Ignition coil 1 with output stage -N70- (BSX, BUD) Ignition coil 2 with output stage -N127- (BSX, BUD) Ignition coil 3 with output stage -N291- (BSX, BUD) Ignition coil 4 with output stage -N292- (BSX, BUD) Ignition transformer -N2- (BSE, BSF, BSX) 5 A --- Fuel pump relay -J17- (BDJ, BST, BLS, BSU, BJB, BMM) Glow plug relay -J52- (BDJ, BST) Automatic glow period control unit -J179- (BLS, BSU, BJB, BMM) 10 A --------- Fuel pump switch-off relay -J333- (BSX) Injector, cylinder 1 -N- (BUD)
16 - Fuse 16 on fuse holder B -SB16-17 - Fuse 17 on fuse holder B -SB17-17 - Fuse 17 on fuse holder B -SB17-18 - Fuse 18 on fuse holder B -SB18-19 - Fuse 19 on fuse holder B -SB19-20 - Fuse 20 on fuse holder B -SB20-21 - Fuse 21 on fuse holder B -SB21-21 - Fuse 21 on fuse holder B -SB21-22 - Fuse 22 on fuse holder B -SB22-23 - Fuse 23 on fuse holder B -SB23-23 - Fuse 23 on fuse holder B -SB23- Injector, cylinder 2 -N31- (BUD) Injector, cylinder 3 -N32- (BUD) Injector, cylinder 4 -N33- (BUD) Gas injection valve 1 -N366- (BSX) Gas injection valve 2 -N367- (BSX) Gas injection valve 3 -N368- (BSX) Gas injection valve 4 -N369- (BSX) A - Onboard supply control unit -J519- A - Treble tone horn -H2- (applicable up to October 2008) Bass tone horn -H7- (applicable up to October 2008) - - Vacant (applicable from November 2008) - A - Special vehicle control unit -J608- A - Windscreen wiper motor -V- 40 A -- Glow plug 3 -Q12- (BDJ, BST) Glow plug 4 -Q13- (BDJ, BST) 10 A - Lambda probe heater -Z19- (BLS with particulate filter/preparation for particulate filter) A -- Lambda probe heater -Z19- (BSE, BSF, BSX, BUD) Lambda probe 1 heater after catalytic converter -Z29- (BSE, BSF, BSX, BUD) 5 A -- Clutch position sender -G476- (only models with manual gearbox) 5 A ---- Secondary air pump relay -J299- (BSE, BSF) Exhaust gas recirculation valve -N18- (BDJ, BST, BJB) Charge pressure control solenoid valve - N75- (BJB, BLS, BSU, BMM) Exhaust gas recirculation cooler changeover valve -N345- (BJB, BLS, BSU, BMM) 10 A ----- Fuel tank shut-off valve 1 -N361- (BSX) Fuel tank shut-off valve 2 -N362- (BSX) Fuel tank shut-off valve 3 -N363- (BSX) Fuel tank shut-off valve 4 -N429- (BSX) High pressure valve for gas mode -N372- (BSX) 87
24 - Fuse 24 on fuse holder B -SB24-25 - Fuse 25 on fuse holder B -SB25-26 - Fuse 26 on fuse holder B -SB26-27 - Fuse 27 on fuse holder B -SB27-27 - Fuse 27 on fuse holder B -SB27-28 - Fuse 28 on fuse holder B -SB28-29 - Fuse 29 on fuse holder B -SB29- - Fuse on fuse holder B -SB- 10 A ------ Injector, cylinder 1 -N- (BSX) Injector, cylinder 2 -N31- (BSX) Injector, cylinder 3 -N32- (BSX) Injector, cylinder 4 -N33- (BSX) Activated charcoal filter system solenoid valve 1 -N80- (BSE, BSF, BUD) Variable intake manifold change-over valve -N6- (BSE, BSF) Intake manifold flap motor -V7- (BDJ, BST) Radiator fan connection (T4x connector) 40 A - ABS control unit -J104-40 A - Onboard supply control unit -J519-40 A --- Glow plug 1 -Q10- (BDJ, BST) Glow plug 2 -Q11- (BDJ, BST) Secondary air pump motor -V101- (BSE, BSF) 87 50 A - Automatic glow period control unit -J179- (BJB, BLS, BSU, BMM) - - Vacant - A ---- Fuse SC18 - SC19 on fuse holder C -SC- (applies to special vehicle only) Fuse SC35 - SC39 on fuse holder C -SC- (applies to special vehicle only) Fuse SC57 - SC58 on fuse holder C -SC- (applies to special vehicle only) 50 A - Fuse SC39 - SC41 on fuse holder C -SC- (trailer operation only)
Fuse locations on fuse holder B - SB- from May 2009 No. Current Flow Diagram designation 1 - Fuse 1 on fuse holder B -SB1-2 - Fuse 2 on fuse holder B -SB2-3 - Fuse 3 on fuse holder B -SB3-4 - Fuse 4 on fuse holder B -SB4-5 - Fuse 5 on fuse holder B -SB5- Nominal value Function/component Terminal - - Vacant - - - Vacant - 5 A - Onboard supply control unit -J519- A - ABS control unit -J104- A - Mechatronic unit for dual clutch gearbox - J743- (only models with direct shift gearbox)
6 - Fuse 6 on fuse holder B -SB6-7 - Fuse 7 on fuse holder B -SB7-8 - Fuse 8 on fuse holder B -SB8-9 - Fuse 9 on fuse holder B -SB9-10 - Fuse 10 on fuse holder B -SB10-10 - Fuse 10 on fuse holder B -SB10-11 - Fuse 11 on fuse holder B -SB11-12 - Fuse 12 on fuse holder B -SB12-12 - Fuse 12 on fuse holder B -SB12-13 - Fuse 13 on fuse holder B -SB13-13 - Fuse 13 on fuse holder B -SB13-14 - Fuse 14 on fuse holder B -SB14- - Fuse on fuse holder B -SB- - Fuse on fuse holder B -SB- - - Vacant - 40 A - Terminal voltage supply relay 2 -J681- A - - Control unit with display for radio and navigation system -J503- Radio -R- 5 A - Mobile telephone operating electronics control unit -J412- (only models with telephone, applicable up to May 2009) 5 A - Terminal voltage supply relay -J329- (BDJ, BST, BLS, BSU, BJB, BMM, CHWA) 10 A --- Main relay -J271- (BSX) Engine control unit -J623- (BUD, BSX) Terminal voltage supply relay -J329- (BUD) 20 A - Auxiliary heater control unit -J364-5 A - Data bus diagnostic interface -J533- (applicable up to May 2009) - - Vacant - A - Engine control unit -J623- (BDJ, BST, BLS, BSU, BJB, BMM, CHWA) A - Engine control unit -J623- (BSE, BSF, BSX, BUD) 20 A ---- Ignition coil 1 with output stage -N70- (BSX, BUD) Ignition coil 2 with output stage -N127- (BSX, BUD) Ignition coil 3 with output stage -N291- (BSX, BUD) Ignition coil 4 with output stage -N292- (BSX, BUD) Ignition transformer -N2- (BSE, BSF) 5 A --- Fuel pump relay -J17- (BDJ, BST, BLS, BSU, BJB, BMM,CHWA) Glow plug relay -J52- (BDJ, BST) Automatic glow period control unit -J179- (BLS, BSU, BJB, BMM, CHWA) 10 A --------- Fuel pump switch-off relay -J333- (BSX) Injector, cylinder 1 -N- (BUD) Injector, cylinder 2 -N31- (BUD) Injector, cylinder 3 -N32- (BUD) Injector, cylinder 4 -N33- (BUD)
16 - Fuse 16 on fuse holder B -SB16-17 - Fuse 17 on fuse holder B -SB17-17 - Fuse 17 on fuse holder B -SB17-18 - Fuse 18 on fuse holder B -SB18-19 - Fuse 19 on fuse holder B -SB19-20 - Fuse 20 on fuse holder B -SB20-20 - Fuse 20 on fuse holder B -SB20-21 - Fuse 21 on fuse holder B -SB21-21 - Fuse 21 on fuse holder B -SB21-22 - Fuse 22 on fuse holder B -SB22-23 - Fuse 23 on fuse holder B -SB23-23 - Fuse 23 on fuse holder B -SB23-24 - Fuse 24 on fuse holder B -SB24- Gas injection valve 1 -N366- (BSX) Gas injection valve 2 -N367- (BSX) Gas injection valve 3 -N368- (BSX) Gas injection valve 4 -N369- (BSX) A - Onboard supply control unit -J519- A - Treble tone horn -H2- (applicable up to November 2008) Bass tone horn -H7- (applicable up to November 2008) - - Vacant (applicable from November 2008) - A - Special vehicle control unit -J608- A - Windscreen wiper motor -V- 40 A -- Glow plug 3 -Q12- (BDJ, BST) Glow plug 4 -Q13- (BDJ, BST) 10 A - Fuel pump relay -J17- (BSX) (applicable from May 2009) 10 A - Lambda probe heater -Z19- (BLS with particulate filter/preparation for particulate filter) A -- Lambda probe heater -Z19- (BSE, BSF, BSX, BUD) Lambda probe 1 heater after catalytic converter -Z29- (BSE, BSF, BSX, BUD) 5 A -- Clutch position sender -G476- (only models with manual gearbox) 5 A -- Secondary air pump relay -J299- (BSE, BSF) Exhaust gas recirculation valve -N18- (BDJ, BST) 10 A ----- Gas Shut-Off Valve Relay -J908- (BSX) High pressure valve for gas mode -N372- (BSX) Exhaust gas recirculation cooler change-over valve -N345- (BJB, BLS, BSU, BMM, CHWA) Charge pressure control solenoid valve -N75- (BJB, BLS, BSU, BMM, CHWA) Exhaust gas recirculation valve -N18- (BJB) 10 A ------ Injector, cylinder 1 -N- (BSX) Injector, cylinder 2 -N31- (BSX) Injector, cylinder 3 -N32- (BSX) Injector, cylinder 4 -N33- (BSX) 87
25 - Fuse 25 on fuse holder B -SB25-26 - Fuse 26 on fuse holder B -SB26-27 - Fuse 27 on fuse holder B -SB27-27 - Fuse 27 on fuse holder B -SB27-28 - Fuse 28 on fuse holder B -SB28-29 - Fuse 29 on fuse holder B -SB29- - Fuse on fuse holder B -SB- Activated charcoal filter system solenoid valve 1 -N80- (BSE, BSF, BUD) Variable intake manifold change-over valve - N6- (BSE, BSF) Intake manifold flap motor -V7- (BDJ, BST) Radiator fan connection (T4x connector) 40 A - ABS control unit -J104-40 A - Onboard supply control unit -J519-40 A --- Glow plug 1 -Q10- (BDJ, BST) Glow plug 2 -Q11- (BDJ, BST) Secondary air pump motor -V101- (BSE, BSF) 87 50 A - Automatic glow period control unit -J179- (BJB, BLS, BSU, BMM, CHWA) - - Vacant - A --- Fuse SC18, SC19 on fuse holder C -SC- (applies to special vehicle taxi only) Fuse SC35, SC39 on fuse holder C -SC- (applies to special vehicle police only) Fuse SC57, SC58 on fuse holder C -SC- (applies to special vehicle police only) 50 A - Fuse SC40 - SC42 on fuse holder C -SC- (trailer operation only)