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Wiring Diagram VW JETTA 2017 - Backrest adjustment button 2 - Fuse holder A - Front passenger seat backrest adjustment motor
| E796 | Backrest adjustment button 2 |
| S44 | Driver seat adjustment thermal fuse 1 |
| SA | Fuse holder A |
| SA4 | Fuse 4 in fuse holder A |
| SC21 | Fuse 21 on fuse holder C |
| T4bq | 4-pin connector |
| T6bs | 6-pin connector |
| T8b | 8-pin connector |
| T10c | 10-pin connector, under driver seat |
| T10d | 10-pin connector, under front passenger seat |
| V46 | Front passenger seat backrest adjustment motor |
| 43 | Earth point, lower part of right A-pillar |
| 145 | Earth connection 3, in seat heating wiring harness |
| B111 | Positive connection 1 (30a), in interior wiring harness |
| B151 | Positive connection 3 (30a), in interior wiring harness |
| B467 | Connection 3, in main wiring harness |
| M1 | Positive connection 1 (30), in seat adjustment wiring harness |
Wiring Diagram VW JETTA 2017 - Seat longitudinal adjustment button - Rake adjustment button - Seat height adjustment button - Backrest adjustment button - Driver seat longitudinal adjustment motor - Driver seat backrest adjustment motor - Driver seat height adjustment motor - Seat rake adjustment motor
| E418 | Seat longitudinal adjustment button |
| E421 | Rake adjustment button |
| E424 | Seat height adjustment button |
| E425 | Backrest adjustment button |
| T4i | 4-pin connector |
| T4o | 4-pin connector |
| T4q | 4-pin connector |
| T4s | 4-pin connector |
| T6g | 6-pin connector |
| T10c | 10-pin connector, under driver seat |
| T10x | 10-pin connector |
| V28 | Driver seat longitudinal adjustment motor |
| V45 | Driver seat backrest adjustment motor |
| V138 | Driver seat height adjustment motor |
| V231 | Seat rake adjustment motor |
| 44 | Earth point, lower part of left A-pillar |
| 96 | Earth connection 1, in seat heating wiring harness |
| M1 | Positive connection 1 (30), in seat adjustment wiring harness |
VW JETTA 2017 Overview of fuse holders
Note:
| The architecture of the electrical equipment in the Jetta can be recognised from the assignment of the relay slots in the E-box. |
| Features of vehicle electrical equipment architecture |
| Features | Equipment low (AW0) | Equipment high (AW1) |
| Relay slots R1 and R2 occupied | X | |
| Onboard supply control unit -J519- with 73-pin connector -T73a- and -T73b- | X | |
| Onboard supply control unit -J519- with 52-pin connector -T52a- , -T52b- and -T52c- | X | |
| Data bus diagnostic interface -J533- integrated into onboard supply control unit -J519- | X | |
| Data bus diagnostic interface -J533- | X | |
| Steering column electronics control module -J527- | X | |
| Left steering column switch -EX19- | X | |
| Right steering column switch -EX20- | X | |
| Converter box -J935- | X |
| 1 - | Fuse holder A -SA- |
| q | Fitting location → Chapter |
| q | Fitting location, Hybrid → Chapter |
| q | Fuse assignment, from July 2014 → Chapter |
| q | Fuse assignment, hybrid, from September 2014 → Chapter |
| 2 - | Fuse holder B -SB- |
| q | Fitting location → Chapter |
| q | Fuse assignment, from July 2014 → Chapter |
| q | Fuse assignment, from July 2015 → Chapter |
| 3 - | Fuse holder C -SC- |
| q | Fitting location left-hand drive → Chapter |
| q | Fitting location right-hand drive → Chapter |
| q | Fuse assignment, from July 2014 → Chapter |
| q | Fuse assignment from July 2015 → Chapter |
| 4 - | Driver seat adjustment thermal fuse 1 -S44- |
| q | Fitting location → Chapter |
| q | Fuse assignment, from July 2014 → Chapter |
| 5 - | Fuses in fuse holder -S--S162- , -S163- |
| q | Fitting location → Chapter |
| q | Fuse assignment, hybrid, from September 2014 → Chapter |
Note:
|
| Fitting location, fuse holder A -SA- |
| 1 - | Fuse holder A -SA- |
| 508 - | Threaded connection (30) on E-box |
Note:
|
| Fitting location of fuse holder A -SA- , hybrid |
| 1 - | Fuse holder A -SA- |
| 508 - | Threaded connection (30) on E-box |
Note:
|
| Fuse assignment on fuse holder A -SA- |
| Fuse assignment of fuse holder A -SA- , from July 2014 |
| Screw location | Current flow diagram designation | Nominal value | Function/component | Terminal |
| 508 | 508 Threaded connection (30), on E-box | - | 30 | |
| SA1 | Fuse 1 on fuse holder A -SA1- | 200 A | Alternator -C- (140 A) | 30 |
| SA2 | Not assigned | - | - | |
| SA3 | Fuse 3 on fuse holder A -SA3- | 80 A | Power steering control unit -J500- | 30 |
| SA4 | Fuse 4 on fuse holder A -SA4- | 80 A | Interior terminal 30 power supply SC fuses | 30 |
|
| Fuse assignment of fuse holder A -SA- , hybrid from September 2014 |
| Screw location | Current flow diagram designation | Nominal value | Function/component | Terminal |
| 508 | 508 Threaded connection (30), on E-box/jump start connection -TV32- | - | - | |
| SA1 | Fuse 1 on fuse holder A -SA1- | 200 A | Power and control electronics for electric drive -JX1- Voltage converter -A19- | 30 |
| SA2 | Not assigned | - | - | |
| SA3 | Fuse 3 on fuse holder A -SA3- | 80 A | Power steering control unit -J500- | 30 |
| SA4 | Not assigned | - | - |
Note:
|
| 1 - | Fuse holder B -SB- |
| Fuse colours for ATO flat fuse: (SB1 to SB20) |
| t | 40 A - orange |
| t | 30 A - light-green |
| t | 25 A - natural (white) |
| t | 20 A - yellow |
| t | 15 A - light blue |
| t | 10 A - red |
| t | 7.5 A - brown |
| t | 5 A - light-brown |
| t | 1 A - black |
| Fuse colours for J-Case fuse: (SB21 to SB32) |
| t | 50 A - red |
| t | 40 A - green |
| t | 30 A - pink |
|
| Fuse assignment of fuse holder B -SB- , from July 2014 |
| Slot | Current flow diagram designation | Nominal value | Function/component | Terminal |
| F1 | Not assigned | - | - | |
| F2 | Fuse 2 on fuse holder B -SB2- | 20 A | Engine control unit -J623- | 87 |
| F3 | Fuse 3 on fuse holder B -SB3- | 5 A | High heat output relay -J360- | 87 |
| Low heat output relay -J359- | ||||
| Radiator fan control unit -J293- | ||||
| F4 | Fuse 4 on fuse holder B -SB4- | 10 A3) 15 A6) | Lambda probe heater -Z19- | 87 |
| Lambda probe 1 heater after catalytic converter -Z29- | ||||
| Coolant pump for high-temperature circuit -V467-3) | ||||
| Low-temperature circuit coolant pump -V468- | ||||
| Lambda probe heater 2 -Z28- | ||||
| F5 | Fuse 5 on fuse holder B -SB5-7) | 15 A | Secondary air inlet valve -N112- | 87 |
| F6 | Fuse 6 on fuse holder B -SB6- | 10 A | Fuel system diagnostic pump -V144- Fuel tank shut-off valve -N288- Secondary air pump relay -J299-1) Heater element for crankcase breather -N79- Lambda probe heater 2 -Z28- | 87 |
| F7 | Fuse 7 on fuse holder B -SB7- | 20 A 30 A5),7) 10 A2),3) | 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 coil 5 with output stage -N323-5) Ignition transformer -N152- Fuel pressure regulating valve -N276-2)4) Fuel metering valve -N290-2)4) Camshaft control valve 1 -N205-2) | 87 |
| F8 | Fuse 8 on fuse holder B -SB8- | 10 A | Throttle valve module -J338- Charge pressure control solenoid valve -N75- Secondary air inlet valve -N112- Secondary air pump relay -J299- Activated charcoal filter solenoid valve 1 -N80- Camshaft control valve 1 -N205- Turbocharger air recirculation valve -N249- Intake manifold flap valve -N316- Exhaust camshaft control valve 1 -N318-3) Charge pressure control solenoid valve -N75-4) Exhaust gas recirculation cooler changeover valve -N345-4) Heater element for crankcase breather -N79-4) Valve for oil pressure control -N428-3) Pressure regulator for disengagement clutch -N511-3) Radiator blind control motor -V544- | 87 |
| F9 | Fuse 9 on fuse holder B -SB9- | 10 A 15 A3),7) | Fuel pump relay -J17- Valve for oil pressure control -N428- Turbocharger air recirculation valve -N249- Intake manifold flap valve -N316- Automatic glow period control unit -J179-4) Circulation pump -V55-4) Electric fuel pump 2 relay -J49-4) | 87 |
| F10 | Fuse 10 on fuse holder B -SB10- | 5 A | Brake light switch -F- Clutch position sender -G476- | 87 |
| F11 | Not assigned | - | - | |
| F12 | Fuse 12 on fuse holder B -SB12- | 30 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- Coolant circulation pump -V50- | 87 |
| F13 | Fuse 13 on fuse holder B -SB13- | 30 A | Voltage stabiliser -J532- Control unit with display for radio and navigation -J503- Radio -R- | 30 |
| F14 | Fuse 14 on fuse holder B -SB14- | 10 A | Engine control unit -J623- Main relay -J271-4) | 30 |
| F15 | Fuse 15 on fuse holder B -SB15- | 30 A | ABS control unit -J104- | 30 |
| F16 | Fuse 16 on fuse holder B -SB16- | 5 A8) 10 A8) 20 A7),8) | Vacuum pump relay -J57- Relay for reducing agent metering system -J963- | 30 |
| F17 | Fuse 17 on fuse holder B -SB17- | 15 A | Mechatronic unit for dual clutch gearbox -J743- | 30 |
| F18 | Fuse 18 on fuse holder B -SB18- | 30 A | Mechatronic unit for dual clutch gearbox -J743- | 30 |
| F19 | Fuse 19 on fuse holder B -SB19- | 5 A | Onboard supply control unit -J519- (T52a/24) AW1, (T73b/59) AW0 Battery monitor control unit -J367- | 30 |
| F20 | Fuse 20 on fuse holder B -SB20- | 30 A | Onboard supply control unit -J519- (AW0) Wiper motor relay 1 -J368- (AW1) Wiper motor relay 2 -J369- (AW1) | 30 |
| F21 | Fuse 21 on fuse holder B -SB21- | 40 A7),10) 50 A8) | Secondary air pump motor -V101- Auxiliary air heater element -Z35- | 87 |
| F22 | Fuse 22 on fuse holder B -SB22-10) | 40 A | Auxiliary air heater element -Z35- | 87 |
| F23 | Fuse 23 on fuse holder B -SB23- | 40 A8) 50 A8) | Terminal 75 voltage supply relay 1 -J680- | 30 |
| F24 | Fuse 24 on fuse holder B -SB24- | 50 A | Fuse 40 on fuse holder C -SC40- | 30 |
| F25 | Fuse 25 on fuse holder B -SB25- | 40 A | Terminal 15 voltage supply relay -J329- | 30 |
| F26 | Fuse 26 on fuse holder B -SB26- | 50 A 40 A3) | Automatic glow period control unit -J179- | 30 |
| F27 | Fuse 27 on fuse holder B -SB27- | 50 A | Radiator fan -V7- | 30 |
| F28 | Fuse 28 on fuse holder B -SB28-9) | 30 A | Onboard supply control unit -J519- (T52a/1) | 30 |
| F29 | Fuse 29 on fuse holder B -SB29-9) | 30 A | Onboard supply control unit -J519- (T52c/42) | 30 |
| F30 | Fuse 30 on fuse holder B -SB30- | 40 A | ABS control unit -J104- | 30 |
| F31 | Fuse 31 on fuse holder B -SB31- | 40 A | Amplifier -R12- | 30 |
| F32 | Fuse 32 on fuse holder B -SB32- | 40 A | Auxiliary air heater element -Z35- | 30 |
| 1) Only for models with exhaust concept ULEV 2 - (7GB) |
| 2) for models with diesel engine only |
| 3) Engine codes CNLA, CRJA |
| 4) Engine code CFFB |
| 5) Only models with 2.5l petrol engine |
| 6) Engine code CAYC |
| 7) Only left-hand drive models |
| 8) According to equipment |
| 9) Only models with "High" equipment (AW1) |
| 10) Only models with auxiliary air heating |
|
| Fuse assignment of fuse holder B -SB- , from July 2015 |
| Slot | Current flow diagram designation | Nominal value | Function/component | Terminal |
| F1 | Not assigned | - | - | |
| F2 | Fuse 2 on fuse holder B -SB2- | 20 A | Engine control unit -J623- | 87 |
| F3 | Fuse 3 on fuse holder B -SB3- | 5 A | High heat output relay -J360- | 87 |
| Low heat output relay -J359- | ||||
| Radiator fan control unit -J293- | ||||
| F4 | Fuse 4 on fuse holder B -SB4- | 10 A3) 15 A6) | Lambda probe heater -Z19- | 87 |
| Lambda probe 1 heater after catalytic converter -Z29- | ||||
| Coolant pump for high-temperature circuit -V467-3) | ||||
| Low-temperature circuit coolant pump -V468- | ||||
| Lambda probe heater 2 -Z28- | ||||
| F5 | Fuse 5 on fuse holder B -SB5-7) | 15 A | Secondary air inlet valve -N112- | 87 |
| F6 | Fuse 6 on fuse holder B -SB6- | 10 A | Fuel system diagnostic pump -V144- Fuel tank shut-off valve -N288- Secondary air pump relay -J299-1) Heater element for crankcase breather -N79- Lambda probe heater 2 -Z28- | 87 |
| F7 | Fuse 7 on fuse holder B -SB7- | 20 A 30 A5),7) 10 A2),3) | 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 coil 5 with output stage -N323-5) Ignition transformer -N152- Fuel pressure regulating valve -N276-2)4) Fuel metering valve -N290-2)4) Camshaft control valve 1 -N205-2) | 87 |
| F8 | Fuse 8 on fuse holder B -SB8- | 10 A | Throttle valve module -J338- Charge pressure control solenoid valve -N75- Secondary air inlet valve -N112- Secondary air pump relay -J299- Activated charcoal filter solenoid valve 1 -N80- Camshaft control valve 1 -N205- Turbocharger air recirculation valve -N249- Intake manifold flap valve -N316- Exhaust camshaft control valve 1 -N318-3) Charge pressure control solenoid valve -N75-4) Exhaust gas recirculation cooler changeover valve -N345-4) Heater element for crankcase breather -N79-4) Valve for oil pressure control -N428-3) Pressure regulator for disengagement clutch -N511-3) Radiator blind control motor -V544- | 87 |
| F9 | Fuse 9 on fuse holder B -SB9- | 10 A 15 A3),7) | Fuel pump relay -J17- Valve for oil pressure control -N428- Turbocharger air recirculation valve -N249- Intake manifold flap valve -N316- Automatic glow period control unit -J179-4) Circulation pump -V55-4) Electric fuel pump 2 relay -J49-4) | 87 |
| F10 | Fuse 10 on fuse holder B -SB10- | 5 A | Brake light switch -F- Clutch position sender -G476- | 87 |
| F11 | Not assigned | - | - | |
| F12 | Fuse 12 on fuse holder B -SB12- | 30 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- Coolant circulation pump -V50- | 87 |
| F13 | Fuse 13 on fuse holder B -SB13- | 30 A8) 20 A8) | Voltage stabiliser -J532- Control unit with display for radio and navigation -J503- Radio -R- | 30 |
| F14 | Fuse 14 on fuse holder B -SB14- | 10 A | Engine control unit -J623- Main relay -J271-4) | 30 |
| F15 | Fuse 15 on fuse holder B -SB15- | 30 A | ABS control unit -J104- | 30 |
| F16 | Fuse 16 on fuse holder B -SB16- | 5 A8) 10 A8) 20 A7),8) | Vacuum pump relay -J57- Relay for reducing agent metering system -J963- | 30 |
| F17 | Fuse 17 on fuse holder B -SB17- | 15 A | Mechatronic unit for dual clutch gearbox -J743- Automatic gearbox control unit -J217- | 30 |
| F18 | Fuse 18 on fuse holder B -SB18- | 30 A | Mechatronic unit for dual clutch gearbox -J743- | 30 |
| F19 | Fuse 19 on fuse holder B -SB19- | 5 A | Onboard supply control unit -J519- (T52a/24) AW1, (T73b/59) AW0 Battery monitor control unit -J367- | 30 |
| F20 | Fuse 20 on fuse holder B -SB20- | 30 A | Onboard supply control unit -J519- (AW0) Wiper motor relay 1 -J368- (AW1) Wiper motor relay 2 -J369- (AW1) | 30 |
| F21 | Fuse 21 on fuse holder B -SB21- | 40 A7),10) 50 A8) | Secondary air pump motor -V101- Auxiliary air heater element -Z35- | 87 |
| F22 | Fuse 22 on fuse holder B -SB22- | 40 A10) 30 A11) | Auxiliary air heater element -Z35- Heated windscreen -Z2- | 87 |
| F23 | Fuse 23 on fuse holder B -SB23- | 40 A8) 50 A8) | Terminal 75 voltage supply relay 1 -J680- | 30 |
| F24 | Fuse 24 on fuse holder B -SB24- | 50 A | Fuse 40 on fuse holder C -SC40- | 30 |
| F25 | Fuse 25 on fuse holder B -SB25- | 40 A | Terminal 15 voltage supply relay -J329- | 30 |
| F26 | Fuse 26 on fuse holder B -SB26- | 50 A 40 A3) | Automatic glow period control unit -J179- | 30 |
| F27 | Fuse 27 on fuse holder B -SB27- | 50 A | Radiator fan -V7- | 30 |
| F28 | Fuse 28 on fuse holder B -SB28-9) | 30 A | Onboard supply control unit -J519- (T52a/1) | 30 |
| F29 | Fuse 29 on fuse holder B -SB29-9) | 30 A | Onboard supply control unit -J519- (T52c/42) | 30 |
| F30 | Fuse 30 on fuse holder B -SB30- | 40 A | ABS control unit -J104- | 30 |
| F31 | Fuse 31 on fuse holder B -SB31- | 40 A | Amplifier -R12- | 30 |
| F32 | Fuse 32 on fuse holder B -SB32- | 40 A | Auxiliary air heater element -Z35- | 30 |
| 1) Only for models with exhaust concept ULEV 2 - (7GB) |
| 2) for models with diesel engine only |
| 3) Engine codes CNLA, CRJA |
| 4) Engine code CFFB |
| 5) Only models with 2.5l petrol engine |
| 6) Engine code CAYC |
| 7) Only left-hand drive models |
| 8) According to equipment |
| 9) Only models with "High" equipment (AW1) |
| 10) Only models with auxiliary air heating |
| 11) Only for Russia |
|
| Fitting location of fuse holder C -SC- |
| Fitting location, fuse holder C -SC- , left-hand drive |
| 1 - | Fuse holder C -SC- |
| Fuse colours for ATO flat fuse: (SC25 to SC60) |
| t | 40 A - orange |
| t | 30 A - light-green |
| t | 25 A - natural (white) |
| t | 20 A - yellow |
| t | 15 A - light blue |
| t | 10 A - red |
| t | 7.5 A - brown |
| t | 5 A - light-brown |
| Fuse colours for mini fuse: (SC1 to SC24) |
| t | 20 A - yellow |
| t | 15 A - light blue |
| t | 10 A - red |
| t | 7.5 A - brown |
| t | 5 A - light-brown |
| t | 1 A - black |
|
| Fitting location, fuse holder C -SC- , right-hand drive |
| 1 - | Fuse holder C -SC- |
| Fuse colours for ATO flat fuse: (SC25 to SC60) |
| t | 40 A - orange |
| t | 30 A - light-green |
| t | 25 A - natural (white) |
| t | 20 A - yellow |
| t | 15 A - light blue |
| t | 10 A - red |
| t | 7.5 A - brown |
| t | 5 A - light-brown |
| Fuse colours for mini fuse: (SC1 to SC24) |
| t | 20 A - yellow |
| t | 15 A - light blue |
| t | 10 A - red |
| t | 7.5 A - brown |
| t | 5 A - light-brown |
| t | 1 A - black |
|
| Fuse assignment of fuse holder C -SC- , from July 2014 |
| Slot | Current flow diagram designation | Nominal value | Function/component | Terminal |
| F1 | Fuse 1 on fuse holder C -SC1- | 10 A | Control unit for electronic steering column lock -J764- (T16v/2) | 15 |
| F2 | Not assigned | - | - | |
| F3 | Fuse 3 on fuse holder C -SC3- | 10 A | Control unit in dash panel insert -J285- , (T32/32) Headlight washer system relay -J39-1) | 30/ 30 stabilised |
| F4 | Fuse 4 on fuse holder C -SC4- | 5 A | Telephone transmitter and receiver unit -R36- Navigation system interface -R94- Mobile telephone operating electronics control unit -J412- , (T54a/1) Magnetic field sender for compass -G197- , (T8ac/1) | 30 30 stabilised |
| F5 | Not assigned | - | - | |
| F6 | Fuse 6 on fuse holder C -SC6- | 10 A | Reversing camera -R189- | 30 |
| F7 | Not assigned | - | - | |
| F8 | Fuse 8 on fuse holder C -SC8- | 10 A | Washer pump -V5- , (only AW0) Onboard supply control unit -J519- , (T73b/61), (only AW0) | 53c |
| F9 | Fuse 9 on fuse holder C -SC9- | 5 A | Airbag control unit -J234- Front passenger airbag deactivated warning lamp -K145- Seat occupied recognition control unit -J706- | 15 |
| F10 | Fuse 10 on fuse holder C -SC10- | 15 A | Right steering column switch -EX20- , (T10ls/3), (only AW0) | 15 |
| F11 | Fuse 11 on fuse holder C -SC11- | 10 A | Front left headlight -MX1- , (gas discharge headlight) | 15 |
| F12 | Fuse 12 on fuse holder C -SC12- | 10 A | Front right headlight -MX2- , (gas discharge headlight) | 15 |
| F13 | Fuse 13 on fuse holder C -SC13- | 5 A | Automatic anti-dazzle interior mirror -Y7- Light sensor -G399- Parking aid control unit -J446- Air quality sensor -G238- High-pressure sender -G65- Tyre Pressure Loss Indicator button -E492- Button for TCS and electronic stabilisation program -E256- Reversing light switch -F4- Start/Stop operation switch -E262- Control unit for air conditioning compressor -J842-2) Control unit for cornering light and headlight range control -J745- Traction control system switch -E132- Isolation relay for powertrain CAN bus -J788- Heater control unit -J162- Radio -R- Adaptive cruise control unit -J428- | 15 |
| F14 | Fuse 14 on fuse holder C -SC14- | 10 A | Left steering column switch -EX19- , (T16ls/1), (only AW0) ABS control unit -J104- , T26/20 / T47/8) Airbag coil connector and return ring with slip ring -F138- , (T16k/14) Trailer detector control unit -J345- , (T12a/2) Voltage stabiliser -J532- DC/AC converter with socket, 12 V - 230 V -U13- , (T3wr/3) Control unit for vehicle location system -J895- Data bus diagnostic interface -J533- , (only AW1) Control unit in dash panel insert -J285- Data bus diagnostic interface -J533- Hybrid battery unit -AX1- (T14ax/7)2) Power and control electronics for electric drive -JX1- (T28jx/56) Power steering control unit -J500- Oil level and oil temperature sender -G266- | 15 |
| F15 | Fuse 15 on fuse holder C -SC15- | 15 A | Diagnostic connection -U31- Switch and instrument illumination regulator -E20- Headlight range control regulator -E102- , (only AW1) Auxiliary heater operation relay -J485- , (T9st/1) Driver vanity mirror contact switch -F147- , (T3be/3) Light switch -E1- , (T10h/4) Front left headlight -MX1- Left headlight range control motor -V48- Front right headlight -MX2- Right headlight range control motor -V49- Onboard supply control unit -J519- (T73a/44) | 15 |
| F16 | Fuse 16 on fuse holder C -SC16- | 10 A | Starter relay 1 -J906- , (T9c/1) Starter relay 2 -J907- , (T7a/1) Air mass meter -G70- , T3bg/2) Fuel pump control unit -J538- Engine control unit -J623- Button for extended electric drive mode -E709- Cold start device relay -J41- , (T9ks/1) | 15 |
| F17 | Fuse 17 on fuse holder C -SC17- | 10 A | Control unit for structure-borne sound -J869- Blind Spot Monitor control unit 2 -J1087- Blind spot monitor control unit -J1086- | 15 |
| F18 | Fuse 18 on fuse holder C -SC18-3) | 10 A | Left steering column switch -EX19- Right steering column switch -EX20- | TFL |
| F19 | Not assigned | - | - | |
| F20 | Fuse 20 on fuse holder C -SC20- | 10 A | Remote control receiver for auxiliary coolant heater -R149- Rain and light sensor -G397- Heater control unit -J162- Diagnostic connection -U31- | 30 |
| F21 | Fuse 21 on fuse holder C -SC21- | 15 A | Heated front seats control unit -J774- | 30 |
| F22 | Fuse 22 on fuse holder C -SC22- | 10 A4) 15 A3) | Onboard supply control unit -J519- , (T52c/1) Alarm system relay 5, hazard warning lights -J464- Interior monitoring sensor -G273- Vehicle inclination sender -G384- Alarm horn -H12- | 30 |
| F23 | Fuse 23 on fuse holder C -SC23- | 10 A | Onboard supply control unit -J519- , (T73b/39) (only AW0) Light switch -E1- , (only AW1) Ignition/starter switch -D- (AW0) Control unit for vehicle location system -J895- Selector lever sensors control unit -J587- Automatic gearbox control unit -J217- | 30 |
| F24 | Fuse 24 on fuse holder C -SC24- | 10 A | Entry and start authorisation control unit -J518- | 30 |
| F25 | Fuse 25 on fuse holder C -SC25- | 10 A | Mechatronic unit for dual clutch gearbox -J743- Selector lever sensors control unit -J587- Automatic gearbox control unit -J217- Multifunction switch -F125- | 15 |
| F26 | Fuse 26 on fuse holder C -SC26- | 20 A | Vacuum pump for brakes -V192- | 15 |
| F27 | Fuse 27 on fuse holder C -SC27-3) | 1 A | Airbag coil connector and return ring with slip ring -F138- , (T16k/1) | 15 |
| F28 | Fuse 28 on fuse holder C -SC28- | 10 A | Left washer jet heater element -Z20- Right washer jet heater element -Z21- | 75 |
| F29 | Fuse 29 on fuse holder C -SC29-3) | 5 A | Onboard supply control unit -J519- , (T73b/51) (only AW0) | 75 |
| F30 | Fuse 30 on fuse holder C -SC30- | 20 A | Onboard supply control unit -J519- , (T52c/21) Cigarette lighter -U1- 12 V socket -U5- 12 V socket 2 -U18- Blocking diode -J29- | 75 |
| F31 | Not assigned | - | - | |
| F32 | Not assigned | - | - | |
| F33 | Fuse 33 on fuse holder C -SC33- | 40 A | Auxiliary heater operation relay -J485- Air conditioning system control unit -J301- | 75 |
| F34 | Not assigned | - | 56 | |
| F35 | Fuse 35 on fuse holder C -SC35- | 10 A | Steering column electronics control unit -J527- , (only AW1) Data bus diagnostic interface -J533- , (only AW1) Onboard supply control unit -J519- , (T73a/66) | 30 |
| F36 | Fuse 36 on fuse holder C -SC36- | 20 A | Headlight washer system relay -J39- Onboard supply control unit -J519- , (T73a/73)(only AW0) | 30 |
| F37 | Fuse 37 on fuse holder C -SC37- | 30 A | DC/AC converter with socket, 12 V - 230 V -U13- | 30 |
| F38 | Fuse 38 on fuse holder C -SC38- | 15 A3) 30 A | Auxiliary heater control unit -J364- Fan enabling relay -J937- | 30 |
| F39 | Fuse 39 on fuse holder C -SC39- | 30 A | Control unit for reducing-agent heater -J891- | 56b |
| F40 | Fuse 40 on fuse holder C -SC40- | 20 A | Trailer detector control unit -J345- , (T12a/9) | 30 |
| F41 | Fuse 41 on fuse holder C -SC41- | 15 A | Trailer detector control unit -J345- , (T12a/12) | 30 |
| F42 | Fuse 42 on fuse holder C -SC42- | 20 A | Trailer detector control unit -J345- (T12a/11) | 30 |
| F43 | Fuse 43 on fuse holder C -SC43- | 10 A | Converter box -J935- Heated rear window relay -J9- Dual tone horn relay -J4- Ignition/starter switch -D- | 30 |
| F44 | Fuse 44 on fuse holder C -SC44- | 30 A | Heated rear window relay -J9- , (only AW1) Heated rear window -Z1- Onboard supply control unit -J519- , (T73b/67) (only AW0) Auxiliary heater operation relay 2 -J1026- | 30 |
| F45 | Fuse 45 on fuse holder C -SC45- | 30 A | Driver door control unit -J386- Rear left door control unit -J388- | 30 |
| F46 | Fuse 46 on fuse holder C -SC46- | 30 A | Rear left door control unit -J388- Rear right door control unit -J389- | 30 |
| F47 | Fuse 47 on fuse holder C -SC47- | 15 A5) 20 A5) | Fuel pump control unit -J538- Fuel pump relay -J17- Cold start device relay -J41- | 30 |
| F48 | Fuse 48 on fuse holder C -SC48- | 20 A | Onboard supply control unit -J519- , (T52b/42) (only AW1) Onboard supply control unit -J519- , (T73b/11) (only AW0) Onboard supply control unit -J519- , (T73b/13) (only AW0) | 30 |
| F49 | Fuse 49 on fuse holder C -SC49- | 40 A | Auxiliary heater operation relay -J485- Climatronic control unit -J255- Air conditioning system control unit -J301- Heater control unit -J162- | 30 |
| F50 | Fuse 50 on fuse holder C -SC50- | 30 A | Heated front seats control unit -J774- | 30 |
| F51 | Fuse 51 on fuse holder C -SC51- | 20 A | Sliding sunroof adjustment control unit -J245- | 30 |
| F52 | Fuse 52 on fuse holder C -SC52- | 20 A | Headlight washer system relay -J39- Headlight washer system pump -V11- | 30 |
| F53 | Fuse 53 on fuse holder C -SC53- | 30 A | Onboard supply control unit -J519- , (T52b/1) (only AW1) Onboard supply control unit -J519- , (T73a/16), (only AW0) | 30 |
| F54 | Not assigned | - | - | |
| F55 | Fuse 55 on fuse holder C -SC55- | 15 A | Two-way radio socket -U4- Diagnostic connection -U31- | 30 |
| F56 | Fuse 56 on fuse holder C -SC56-3) | 10 A | Fan enabling relay -J937- | 30 |
| F57 | Fuse 57 on fuse holder C -SC57- | 20 A | Radio -R- Control unit with display for radio and navigation -J503- | 30 |
| F58 | Fuse 58 on fuse holder C -SC58-3) | 20 A | Onboard supply control unit -J519- , (T73a/63) (only AW0) | 30 |
| F59 | Fuse 59 on fuse holder C -SC59-3) | 20 A | Onboard supply control unit -J519- , (T73b/68) (only AW0) | 30 |
| F60 | Fuse 60 on fuse holder C -SC60-3) | 20 A | Left steering column switch -EX19- Right steering column switch -EX20- | 30 |
| 1) Only models with headlight washer system |
| 2) Only models with hybrid drive system |
| 3) Only left-hand drive models |
| 4) Only models with "High" equipment (AW1) |
| 5) Depending on equipment |
|
| Fuse assignment of fuse holder C -SC- , from July 2015 |
| Slot | Current flow diagram designation | Nominal value | Function/component | Terminal |
| F1 | Fuse 1 on fuse holder C -SC1- | 10 A | Control unit for electronic steering column lock -J764- (T16v/2) | 15 |
| F2 | Not assigned | - | - | |
| F3 | Fuse 3 on fuse holder C -SC3- | 10 A | Control unit in dash panel insert -J285- , (T32/32) Headlight washer system relay -J39-1) | 30/ 30 stabilised |
| F4 | Fuse 4 on fuse holder C -SC4- | 5 A | Telephone transmitter and receiver unit -R36- Navigation system interface -R94- Mobile telephone operating electronics control unit -J412- , (T54a/1) Magnetic field sender for compass -G197- , (T8ac/1) | 30 30 stabilised |
| F5 | Not assigned | - | - | |
| F6 | Fuse 6 on fuse holder C -SC6- | 10 A | Reversing camera -R189- | 30 |
| F7 | Not assigned | - | - | |
| F8 | Fuse 8 on fuse holder C -SC8- | 10 A | Washer pump -V5- , (only AW0) Onboard supply control unit -J519- , (T73b/61), (only AW0) | 53c |
| F9 | Fuse 9 on fuse holder C -SC9- | 5 A | Airbag control unit -J234- Front passenger airbag deactivated warning lamp -K145- Seat occupied recognition control unit -J706- | 15 |
| F10 | Fuse 10 on fuse holder C -SC10- | 15 A | Right steering column switch -EX20- , (T10ls/3), (only AW0) | 15 |
| F11 | Fuse 11 on fuse holder C -SC11- | 10 A | Front left headlight -MX1- , (gas discharge headlight) | 15 |
| F12 | Fuse 12 on fuse holder C -SC12- | 10 A | Front right headlight -MX2- , (gas discharge headlight) | 15 |
| F13 | Fuse 13 on fuse holder C -SC13- | 5 A | Automatic anti-dazzle interior mirror -Y7- Light sensor -G399- Parking aid control unit -J446- Air quality sensor -G238- High-pressure sender -G65- Tyre Pressure Loss Indicator button -E492- Button for TCS and electronic stabilisation program -E256- Reversing light switch -F4- Start/Stop operation switch -E262- Control unit for air conditioning compressor -J842-2) Control unit for cornering light and headlight range control -J745- Traction control system switch -E132- Isolation relay for powertrain CAN bus -J788- Heater control unit -J162- Radio -R- Adaptive cruise control unit -J428- | 15 |
| F14 | Fuse 14 on fuse holder C -SC14- | 10 A | Left steering column switch -EX19- , (T16ls/1), (only AW0) ABS control unit -J104- , T26/20 / T47/8) Airbag coil connector and return ring with slip ring -F138- , (T16k/14) Trailer detector control unit -J345- , (T12a/2) Voltage stabiliser -J532- DC/AC converter with socket, 12 V - 230 V -U13- , (T3wr/3) Control unit for vehicle location system -J895- Data bus diagnostic interface -J533- , (only AW1) Control unit in dash panel insert -J285- Data bus diagnostic interface -J533- Hybrid battery unit -AX1- (T14ax/7)2) Power and control electronics for electric drive -JX1- (T28jx/56) Power steering control unit -J500- Oil level and oil temperature sender -G266- | 15 |
| F15 | Fuse 15 on fuse holder C -SC15- | 15 A | Diagnostic connection -U31- Switch and instrument illumination regulator -E20- Headlight range control regulator -E102- , (only AW1) Auxiliary heater operation relay -J485- , (T9st/1) Driver vanity mirror contact switch -F147- , (T3be/3) Light switch -E1- , (T10h/4) Front left headlight -MX1- Left headlight range control motor -V48- Front right headlight -MX2- Right headlight range control motor -V49- Onboard supply control unit -J519- (T73a/44) | 15 |
| F16 | Fuse 16 on fuse holder C -SC16- | 10 A | Starter relay 1 -J906- , (T9c/1) Starter relay 2 -J907- , (T7a/1) Air mass meter -G70- , T3bg/2) Fuel pump control unit -J538- Engine control unit -J623- Button for extended electric drive mode -E709- Cold start device relay -J41- , (T9ks/1) | 15 |
| F17 | Fuse 17 on fuse holder C -SC17- | 10 A | Control unit for structure-borne sound -J869- Blind Spot Monitor control unit 2 -J1087- Blind spot monitor control unit -J1086- | 15 |
| F18 | Fuse 18 on fuse holder C -SC18-3) | 10 A | Left steering column switch -EX19- Right steering column switch -EX20- | TFL |
| F19 | Not assigned | - | - | |
| F20 | Fuse 20 on fuse holder C -SC20- | 10 A | Remote control receiver for auxiliary coolant heater -R149- Rain and light sensor -G397- Heater control unit -J162- Diagnostic connection -U31- | 30 |
| F21 | Fuse 21 on fuse holder C -SC21- | 15 A | Heated front seats control unit -J774- | 30 |
| F22 | Fuse 22 on fuse holder C -SC22- | 10 A4) 15 A3) | Onboard supply control unit -J519- , (T52c/1) Alarm system relay 5, hazard warning lights -J464- Interior monitoring sensor -G273- Vehicle inclination sender -G384- Alarm horn -H12- | 30 |
| F23 | Fuse 23 on fuse holder C -SC23- | 10 A | Onboard supply control unit -J519- , (T73b/39) (only AW0) Light switch -E1- , (only AW1) Ignition/starter switch -D- (AW0) Control unit for vehicle location system -J895- Selector lever sensors control unit -J587- Automatic gearbox control unit -J217- | 30 |
| F24 | Fuse 24 on fuse holder C -SC24- | 10 A | Entry and start authorisation control unit -J518- | 30 |
| F25 | Fuse 25 on fuse holder C -SC25- | 10 A | Mechatronic unit for dual clutch gearbox -J743- Selector lever sensors control unit -J587- Automatic gearbox control unit -J217- Multifunction switch -F125- | 15 |
| F26 | Fuse 26 on fuse holder C -SC26- | 20 A | Vacuum pump for brakes -V192- | 15 |
| F27 | Fuse 27 on fuse holder C -SC27-3) | 1 A | Airbag coil connector and return ring with slip ring -F138- , (T16k/1) | 15 |
| F28 | Fuse 28 on fuse holder C -SC28- | 10 A | Left washer jet heater element -Z20- Right washer jet heater element -Z21- | 75 |
| F29 | Fuse 29 on fuse holder C -SC29-3) | 5 A | Onboard supply control unit -J519- , (T73b/51) (only AW0) | 75 |
| F30 | Fuse 30 on fuse holder C -SC30- | 20 A | Onboard supply control unit -J519- , (T52c/21) Cigarette lighter -U1- 12 V socket -U5- 12 V socket 2 -U18- Blocking diode -J29- | 75 |
| F31 | Not assigned | - | - | |
| F32 | Fuse 32 on fuse holder C -SC32-6) | 15 A | Magnetic clutch relay -J44- | 75 |
| F33 | Fuse 33 on fuse holder C -SC33- | 40 A | Auxiliary heater operation relay -J485- Air conditioning system control unit -J301- | 75 |
| F34 | Not assigned | - | 56 | |
| F35 | Fuse 35 on fuse holder C -SC35- | 10 A | Steering column electronics control unit -J527- , (only AW1) Data bus diagnostic interface -J533- , (only AW1) Onboard supply control unit -J519- , (T73a/66) | 30 |
| F36 | Fuse 36 on fuse holder C -SC36- | 20 A | Headlight washer system relay -J39- Onboard supply control unit -J519- , (T73a/73)(only AW0) | 30 |
| F37 | Fuse 37 on fuse holder C -SC37- | 30 A | DC/AC converter with socket, 12 V - 230 V -U13- | 30 |
| F38 | Fuse 38 on fuse holder C -SC38- | 15 A3) 30 A | Auxiliary heater control unit -J364- Fan enabling relay -J937- | 30 |
| F39 | Fuse 39 on fuse holder C -SC39- | 30 A | Control unit for reducing-agent heater -J891- | 56b |
| F40 | Fuse 40 on fuse holder C -SC40- | 20 A | Trailer detector control unit -J345- , (T12a/9) | 30 |
| F41 | Fuse 41 on fuse holder C -SC41- | 15 A | Trailer detector control unit -J345- , (T12a/12) | 30 |
| F42 | Fuse 42 on fuse holder C -SC42- | 20 A | Trailer detector control unit -J345- (T12a/11) | 30 |
| F43 | Fuse 43 on fuse holder C -SC43- | 10 A | Converter box -J935- Heated rear window relay -J9- Dual tone horn relay -J4- Ignition/starter switch -D- | 30 |
| F44 | Fuse 44 on fuse holder C -SC44- | 30 A | Heated rear window relay -J9- , (only AW1) Heated rear window -Z1- Onboard supply control unit -J519- , (T73b/67) (only AW0) Auxiliary heater operation relay 2 -J1026- | 30 |
| F45 | Fuse 45 on fuse holder C -SC45- | 30 A | Driver door control unit -J386- Rear left door control unit -J388- | 30 |
| F46 | Fuse 46 on fuse holder C -SC46- | 30 A | Rear left door control unit -J388- Rear right door control unit -J389- | 30 |
| F47 | Fuse 47 on fuse holder C -SC47- | 15 A5) 20 A5) | Fuel pump control unit -J538- Fuel pump relay -J17- Cold start device relay -J41- | 30 |
| F48 | Fuse 48 on fuse holder C -SC48- | 20 A | Onboard supply control unit -J519- , (T52b/42) (only AW1) Onboard supply control unit -J519- , (T73b/11) (only AW0) Onboard supply control unit -J519- , (T73b/13) (only AW0) | 30 |
| F49 | Fuse 49 on fuse holder C -SC49- | 40 A | Auxiliary heater operation relay -J485- Climatronic control unit -J255- Air conditioning system control unit -J301- Heater control unit -J162- | 30 |
| F50 | Fuse 50 on fuse holder C -SC50- | 30 A | Heated front seats control unit -J774- | 30 |
| F51 | Fuse 51 on fuse holder C -SC51- | 20 A | Sliding sunroof adjustment control unit -J245- | 30 |
| F52 | Fuse 52 on fuse holder C -SC52- | 20 A | Headlight washer system relay -J39- Headlight washer system pump -V11- | 30 |
| F53 | Fuse 53 on fuse holder C -SC53- | 30 A | Onboard supply control unit -J519- , (T52b/1) (only AW1) Onboard supply control unit -J519- , (T73a/16), (only AW0) | 30 |
| F54 | Not assigned | - | - | |
| F55 | Fuse 55 on fuse holder C -SC55- | 15 A | Two-way radio socket -U4- Diagnostic connection -U31- | 30 |
| F56 | Fuse 56 on fuse holder C -SC56-3) | 10 A | Fan enabling relay -J937- | 30 |
| F57 | Fuse 57 on fuse holder C -SC57- | 20 A | Radio -R- Control unit with display for radio and navigation -J503- | 30 |
| F58 | Fuse 58 on fuse holder C -SC58-3) | 20 A | Onboard supply control unit -J519- , (T73a/63) (only AW0) | 30 |
| F59 | Fuse 59 on fuse holder C -SC59-3) | 20 A | Onboard supply control unit -J519- , (T73b/68) (only AW0) | 30 |
| F60 | Fuse 60 on fuse holder C -SC60-3) | 20 A | Left steering column switch -EX19- Right steering column switch -EX20- | 30 |
| 1) Only models with headlight washer system |
| 2) Only models with hybrid drive system |
| 3) Only left-hand drive models |
| 4) Only models with "High" equipment (AW1) |
| 5) Depending on equipment |
| 6) Only models with "Low" equipment (AW0) |
|
| Fitting location of front passenger seat adjustment thermal fuse 1 -S44- , from July 2014 |
| 1 - | Relay and fuse carrier |
| F1 - | Driver seat adjustment thermal fuse 1 -S44- |
| F2 - | Not assigned |
|
| Fuse assignment, front passenger seat adjustment thermal fuse 1 -S44- , from July 2014 |
| Slot | Current flow diagram designation | Nominal value | Function/component | Terminal |
| F1 | Driver seat adjustment thermal fuse 1 -S44- | 20 A | Seat longitudinal adjustment button -E418- | 30 |
| F2 | Not assigned |
| Back to overview → Chapter |
| 1 - | Fuse 1 (30), in battery fuse holder -S162- |
| 2 - | Fuse 2 (30), in battery fuse holder -S163- |
|
| Fuse assignment, fuses in fuse holder -S- , hybrid from September 2014 |
| Slot | Current flow diagram designation | Nominal value | Function/component | Terminal | ||
| F1 | Fuse 1 (30), in battery fuse holder -S162- | 175 A | 508 Threaded connection (30), on E-box
| 30 | ||
| F2 | Fuse 2 (30), in battery fuse holder -S163- | 80 A | Supply for fuse holder C -SC- | 30 |
| Back to overview → Chapter |
