Fuses in the fuse holder B and C
Code:
Fuse holder B and C
Location: In the lower fuse box on centre of dash panel
Fuse colours
40 A - blue
30 A - green
25 A - white
20 A - yellow
15 A - blue
10 A - red
7.5 A - brown
5 A - beige
FUSE HOLDER B
No./Current Flow Diagram /designationNominal/Function/componentTerminal value
1-Fuse -30 A-Terminal 15 voltage supply relay -J329-30
2-Fuse -5 A-Steering angle sender -G85-30
3-Fuse -10 A-Onboard supply control unit -J519- 30 (T73b/39)
4-Fuse -5 A- W8 Connection (15a), in rear wiring harness 15a- Lane change assist control unit 2 -J770- - Lane change assist control unit -J769-
5-Fuse -15 A- Left headlight twin filament bulb -L1-56b
6-Fuse -15 A- Left headlight twin filament bulb -L1-56a-
7-Fuse -15 A-Onboard supply control unit -J519- (T73a/66) 1)
8-Fuse -15 A-Rear lid control unit -J605-30 -20 A- Alarm horn -H12- 30- Onboard supply control unit -J519- (T73/16) - Left sliding door control unit -J558- - Rear lid control unit -J605- -Right sliding door control unit -J731-
9-Fuse -30A-Onboard supply control unit -J519-30
10-Fuse -10 A- Intermittent wiper switch -E22- 15- Rear wiper switch -E34- -Intermittent wiper regulator -E38-
11-Fuse -5 A-Number plate light -X-58
12-Fuse -5 A -Light switch -E1-30 30 A
13-Fuse -7,5 A-Airbag control unit -J234-15
14-Fuse -25 A-Steering column electronics control unit -30 J527-
15-Fuse -7,5 A-Fresh air blower switch -E9-75
16-Fuse -5 A-Onboard supply control unit -J519- 15 (T73a/44)
17-Fuse -5 A- Rear fog light warning lamp -K13- RFL-Rear left fog light bulb -L46-
18-Fuse -5 A-Control unit in dash panel insert -J285-30
19-Fuse -5 A-Ignition/starter switch -D-86s
20-Fuse -5 A-Diagnostic connection -U31-30
21-Fuse -10 A- Starter motor relay -J53- 50-Engine control unit -J623-
22-Fuse -7,5 A- Control unit in dash panel insert -J285- 15-Diagnostic connection -U31- (T16/1)
23-Fuse -30 A - Ignition/starter switch -D- 50 5 A-Onboard supply control unit -J519- (T73b/50)
24-Fuse -5 A-Steering angle sender -G85-15
25-Fuse -7,5 A-Fresh air blower switch -E9-30
26-Fuse -30 A-Light switch -E1-75x
27-Fuse -15 A- Right headlight twin filament bulb -L2- 56b- B456 Connection (56b), in main wiring –harness
28-Fuse -15 A- Right headlight twin filament bulb -L2- 56a- B142 Positive connection 2 (56a), in interior - wiring harness -Control unit in dash panel insert -J285- (T32/14)
29-Fuse -10 A-Dual signal inverter relay -J741-30a
30-Fuse -10 A- Left washer jet heater element -Z20- 75- Right washer jet heater element -Z21- - Rear window wiper motor -V12- - Rear right wing door window wiper motor --V93- Rear left wing door window wiper motor -V92-
31-Fuse -30 A-Onboard supply control unit -J519- 30 (T73a/73)
32-Fuse -30 A-Onboard supply control unit -J519- 30 (T73a/68 )
33-Fuse -30 A- Radio -R- 30 Control unit with display for radio and navigation system -J503-
34-Fuse -25 A- X-contact relief relay -J59- 15- Fuse 14 on fuse holder D -SD14- -Fuse 20 on fuse holder D -SD20-
35-Fuse -5 A- B340 Connection 1 (58d), in main wiring 58d- harness -B341 Connection 2 (58d), in main wiring harness B342 Connection 3 (58d), in main wiring harness
36-Fuse -25 A-Onboard supply control unit -J519- 30 (T73b/13)
Note 1) for models with roof console only
Fuse holder C
No./Current Flow Diagram designation/Nominal Function/component/Terminal value
1-Fuse -15 A- Trailer detector control unit -J345- 15a -10-pin connector -T10bh/1-75a
2-Fuse -5 A- Interior monitor send and receive module 2 -30-G305- Anti-theft and tilt system control unit -J529-
3-Fuse -10 A - Red Cross light switch -E10- 30 15 A-Red Cross light warning lamp -K100-
4-Fuse -10 A- Differential lock control unit -J187- 15a- Rear differential lock switch -E121- -Four-wheel drive control unit -J492-5-Fuse 5 on fuse holder C -SC5-10A-6-pin connector -T6bn/5-75x
6-Fuse -5 A-Oil level and oil temperature sender -G266-15
7-Fuse -30 A -Rotating light switch -E162- 30 10 A
8-Fuse -5 A-Parking aid control unit -J446-30
9-Fuse -5 A-Steering column electronics control unit -30 J527- Adaptive cruise control unit -J428-
10-Fuse -10 A - Left headlight range control motor -V48- 15 5 A-Right headlight range control motor -V49- Switches and instruments illumination regulator -E20-
11-Fuse -15 A-Left sliding door control unit -J558-58
12-Fuse -5 A -Left day driving light bulb -L174-30 30A
13-Fuse -5 A-Drive train CAN bus isolation relay -J788-15
14-Fuse -5 A -Right day driving light bulb -L175--30A
15-Fuse -5 A-Mobile telephone operating electronics 15-control unit -J412-
16-Fuse -7,5 A- Navigation system tuner for TV -J415- 30-Interface for external multimedia unit -R215-17-Fuse -7,5 A- Onboard supply control unit -J519- (T73/66) 30 1) -1) 30G 2) Interior lights and compartment lights 2)
18-Fuse -5 A- Air conditioning system control unit -J301- 30- Rear fresh air blower switch -E179- - Operating and display unit for rear -Climatronic -E265- Rear blower regulation sender -G463-
19-Fuse -5 A-Automatic anti-dazzle interior mirror -Y7- 86s
20-Fuse -10 A-Onboard supply control unit -J519- 30 (T73a/64)
21-Fuse -5 A-Rain sensor -G213-RPL
22-Fuse -5 A- Air conditioning system pressure switch -15-F129- Air quality sensor -G238-
23-Fuse -10 A- Residual heat relay -J708- 30a- Remote control receiver for auxiliary coolant -heater -R149- Auxiliary heater operating and display unit -E407- Operating and display unit for camping equipment -E153-
24-Fuse -7,5 A- Left centre reading light -W39- 30G- Right centre reading light -W40- - Rear left reading light -W11- - Rear right reading light -W12- - Left interior light -W16-- Right interior light -W17- - Rear left interior light -W47- -Rear right interior light -W48-
25-Fuse -25 A-Seat heating control unit with regulator -J396-
26-Fuse -10 A-Tachograph -G24-30
27-Fuse -30 A- D51 Positive connection 1 (15), in engine 15 compartment wiring harness - Fuse 13 on fuse holder D -SD13- -Fuse 23 on fuse holder D -SD23-
28-Fuse -5 A- Mirror adjustment switch -E43- 15-Exterior mirror heater button -E231-
29-Fuse -25 A-Heater control unit -J162-30
30-Fuse -5 A- Operating and display unit for camping 75-equipment -E153- Auxiliary coolant heater relay -J493-
31-Fuse -25 A -Sliding sunroof adjustment control unit -30 5 AJ245-
32-Fuse -20 A-Headlight washer system relay -J39-15
33-Fuse -5 A-Tachograph -G24-15
34-Fuse -5 A-Vacant15
35-Fuse -20 A-Onboard supply control unit -J519- 30 (T73b/11)
36-Fuse -5 A-10-pin connector -T10bh/9-30
Note 1) for models without roof console only 2) for models with roof console only.
Fuses location and meaning
No. Current Flow Diagram designation/Nominal Function/component/Terminal value (not a real value unless you have the wiring diagram, so I removed the information from the content)
1-Fuse 1 on fuse holder F - 15 A
2-Fuse 2 on fuse holder F - 3 A
3-Fuse 3 on fuse holder F - 15 A
4-Fuse 4 on fuse holder F - 15 A
5-Fuse 5 on fuse holder F - 5 A
6-Fuse 6 on fuse holder F - 25 A
7-Fuse 7 on fuse holder F - 30 A -12 V socket
8-Fuse 8 on fuse holder F - 25 A- Heater control unit, remote control receiver for auxiliary heating
9-Fuse 9 on fuse holder F - 25 A- Fresh air blower isolation relay, Voice amplification control unit Rear blower regulation motor
10-Fuse 10 on fuse holder F -3 A or 15 A-Auxiliary heater relay
11-Fuse 11 on fuse holder F -15 A -Cigarette lighter
12-Fuse 12 on fuse holder F -15 A
13-Fuse 13 on fuse holder F -SF13- -Vacant
14-Fuse 14 on fuse holder F -SF14- -Vacant
15-Fuse 15 on fuse holder F -SF15- -Vacant
16-Fuse 16 on fuse holder F -SF16- -Vacant
17-Fuse 17 on fuse holder F -SF17- -Vacant
18-Fuse 18 on fuse holder F -SF18- -Vacant
19-Fuse 19 on fuse holder F -SF19- -Vacant
20-Fuse 20 on fuse holder F -SF20- -Vacant
21-Fuse 21 on fuse holder F -SF21- -Vacant
22-Fuse 22 on fuse holder F - 15 A-12 V socket 2
23-Fuse 23 on fuse holder F - 15 A-12 V socket 3
24-Fuse 24 on fuse holder F - 10 A 15A only models with auxiliary coolant heater
25-Fuse 25 on fuse holder F - 15 A-Trailer detector control unit -J345-30
26-Fuse 26 on fuse holder F - 20 A-Trailer detector control unit -J345-30
27-Fuse 27 on fuse holder F - 20 A-Trailer detector control unit -J345-30
28-Fuse 28 on fuse holder F – 7.5 A-Reversing camera system control unit -J772-30a
29-Fuse 29 on fuse holder F -SF29- -Vacant
30-Fuse 30 on fuse holder F - 5 A-Voice amplification control unit -J656-30
31-Fuse 31 on fuse holder F -SF31- -Vacant
32-Fuse 32 on fuse holder F -SF32- -Vacant
33-Fuse 33 on fuse holder F - 15 A-Driver seat lumbar support adjustment 30 switch
34-Fuse 34 on fuse holder F - 40 A - Right sliding door control unit -J731-
35-Fuse 35 on fuse holder F - 80 A-Battery isolation relay -J7-30
36-Fuse 36 on fuse holder F -SF36-40 A-17-pin connector
No. Current Flow Diagram designation/Nominal/Function/component/Terminal value 1- Fuse -5 A- Radiator fan control unit -J293-87 2- Fuse -5 A- Additional coolant pump relay -J496-30 3- Fuse -5 A- Heater element for crankcase breather -N79-15 4- Fuse --Vacant-- 5- Fuse -15 A- Mechatronic unit for dual clutch gearbox -30 J743- Selector lever lock solenoid -N110- Selector lever 6- Fuse 6 -30 A- ABS control unit -J104-30 7- Fuse --Vacant-- 8- Fuse --Vacant-- 9- Fuse -5 A- Engine control unit -J623-30 10- Fuse -5 A- Secondary air pump relay -J299- 87. Fuse 15 A 3)- Charge pressure control solenoid valve -N75- - Activated charcoal filter system solenoid - valve 1 -N80- -Exhaust gas recirculation cooler change-over valve -N345- Charge pressure control solenoid valve 2 -N274- 11- Fuse 30 A-Headlight main beam relay -J12— 12- Fuse 10 A- Fuel metering valve -N290- 15 -Fuel pressure regulating valve -N276-or 87 13- Fuse -10 A-Left gas discharge light control unit -J343-15 14- Fuse -5 A- Fuel pump relay -J17- 15- Relay for supplementary fuel pump -J832- -Clutch pedal switch -F36- 15- Fuse -10 A- Reversing light switch -F4-15 16- Fuse -5 A- Air mass meter -G70- 15 Brake light switch -F-17- 17- Fuse -5 A- TCS and ESP button -E256- 15-ABS control unit -J104- 18- Fuse -5 A- Power steering control unit -J500— 19- Fuse -5 A- Clutch pedal switch -F36- 15-Air mass meter -G70-1) 20- Fuse -5 A-Engine control unit -J623-15 21- Fuse -5 A-Exhaust gas recirculation valve -N18-87 22- Fuse -10 A- Injector, cylinder 1 -N30- 87a- Injector, cylinder 2 -N31- - Injector, cylinder 3 -N32- -Injector, cylinder 4 -N33- 23- Fuse -10 A-Right gas discharge light control unit -J344-15 24- Fuse -5 A-Mechatronic unit for dual clutch gearbox -15 J743- Selector lever -E313- 25- Fuse -30 A- Engine control unit -J623- 87-Ignition transformer -N152- 26- Fuse -5 A- Left day driving light bulb -L174-87 27- Fuse -10 A-Continued coolant circulation pump -V51-87 28- Fuse -15 A-Treble tone horn -H2-4) 30 29- Fuse -5 A-Right day driving light bulb -L175-87 30- Fuse -20 A- Fuel system pressurisation pump -G6- 30 - Fuel pump relay -J17- -Relay for supplementary fuel pump -J832- 31- Fuse -15 A-Lambda probe heater -Z19- Lambda probe 1 heater after catalytic converter -Z29-2) 32- Fuse -30 A- 3) -Engine control unit -J623- 5 AElectric fuel pump 2 relay -J49-2) 33- Fuse -5 A- Additional coolant pump relay -J496-87 34- Fuse -5 A-Onboard supply control unit -J519- (T73b/59)30 35- Fuse --Vacant87 36- Fuse 36 -30 A-Additional coolant pump relay -J496-30 Note 1) for engine codes CAAA, CAAB, CAAC, CCHA only 2) for engine code AXA only 3) only models with diesel engine 4) for models with taxi equipment only.
No. / Current Flow Diagram / designation Nominal Function / component Terminal value
1 - Fuse -175 A - Alternator -C-30 225 A-
2 - Fuse -125 A- X-contact relief relay -J59- 30- B298 Positive connection 2 (30), in - main wiring harness -B301 Positive connection 5 (30), in main wiring harness B302 Positive connection 6 (30), in main wiring harness B303 Positive connection 7 (30), in main wiring harness B304 Positive connection 8 (30), in main wiring harness B305 Positive connection 9 (30), in main wiring harness Fuse 9 on fuse holder B -SB9- Fuse 14 on fuse holder B -SB14-
3 - Fuse -50 A - Battery isolation relay -J7- 30 100 A- Second battery charging circuit relay -J713- B310 Positive connection 14 (30), in main wiring harness B311 Positive connection 15 (30), in main wiring harness
4 - Fuse -70 A-D50 Positive connection (30), in engine 30 compartment wiring harness
5 - Fuse -50 A- ABS control unit fuse 1 -S123- 30-Fuse 6 on fuse holder D -SD6-
6 - Fuse -60 A - Automatic glow period control unit -30 50 A-J179- Secondary air pump relay -J299-
7 - Fuse -100 A-Radiator fan control unit -J293-30
8 - Fuse -40 A - B169 Positive connection 1 (30), in 30 50 A interior wiring harness 100 A- B170 Positive connection 2 (30), in interior wiring harness - Fuse 9 on fuse holder F -SF9- - Fuse 14 on fuse holder F -SF14- - Fuse 22 on fuse holder F -SF22- - Fuse 23 on fuse holder F -SF23- -Fuse 24 on fuse holder F -SF24-
9 - Fuse -100 A- B272 Positive connection (30), in main 30- wiring harness B299 Positive connection 3 (30), in main wiring harness
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