AUTOMOTIVE ELECTRICIANS

SEAT ALHAMBRA 2011 — Trailer coupling . Wiring diagrams, Pin Connector, Location

Wiring Diagram SEAT ALHAMBRA 2011 - Trailer detector control unit - Trailer voltage supply relay - Trailer socket



Wiring Diagram  SEAT ALHAMBRA 2011 - Trailer detector control unit - Trailer voltage supply relay - Trailer socket
J345 Trailer detector control unit
J941 Trailer voltage supply relay
SC55 Fuse 55 on fuse holder C
SC56 Fuse 56 on fuse holder C
T8i 8-pin connector
T9c 9-pin connector
T12d 12-pin connector
T13 13-pin connector
T16g 16-pin connector
U10 Trailer socket
  50 Earth point, on left in luggage compartment
  86 Earth connection 1, in rear wiring harness
  218 Earth connection 1, in rear lid wiring harness
  372 Earth connection 7, in main wiring harness
  729 Earth point, on left rear wheel housing

Wiring Diagram SEAT ALHAMBRA 2011 - Electric hinged tow coupling attachment button - Trailer coupling motor Hall sender - Trailer detector control unit - Trailer towing coupling - Hinged tow attachment ball head motor



E474 Electric hinged tow coupling attachment button
G473 Trailer coupling motor Hall sender
J345 Trailer detector control unit
T3ar 3-pin connector
T4as 4-pin connector
T5i 5-pin connector
T8i 8-pin connector
T12e 12-pin connector
T16g 16-pin connector
VX15 Trailer towing coupling
V317 Hinged tow attachment ball head motor
  430 Earth connection, in towing bracket wiring harness
*Up to November 2011
*2From November 2011

Wiring Diagram SEAT ALHAMBRA 2011 - Trailer detector control unit - Data bus diagnostic interface



J345 Trailer detector control unit
J519 Onboard supply control unit
J533 Data bus diagnostic interface
M25 Additional brake light bulb
SD3 Fuse 3 on fuse holder D
SD4 Fuse 4 on fuse holder D
SC14 Fuse 14 on fuse holder C
T2dg 2-pin connector
T12d 12-pin connector
T12e 12-pin connector
T20 20-pin connector
T54a 54-pin connector
  A199 Positive connection 4 (15a) in dash panel wiring harness
  B131 Connection (54), in interior wiring harness
  B397 Connection 1 (convenience CAN bus, high), in main wiring harness
  B398 Connection 2 (convenience CAN bus, high), in main wiring harness
  B406 Connection 1 (convenience CAN bus, low), in main wiring harness
  B407 Connection 2 (convenience CAN bus, low), in main wiring harness
  W9 Positive connection 1 (30), in rear wiring harness
  W51 Positive connection 2 (30), in rear wiring harness


SEAT ALHAMBRA 2011 Overview of control units

Overview of control units
1 -  Rear right door control unit -J389-
q   Fitting location → Chapter
2 -  Sunroof roller blind control unit -J394-
q   Fitting location → Chapter
3 -  Fuel pump control unit -J538-
q   Fitting location → Chapter
4 -  Right sliding door control unit -J731-
q   Fitting location → Chapter
5 -  Rear lid control unit -J605-
q   Fitting location → Chapter
6 -  Remote control receiver for auxiliary coolant heater -R149-
q   Fitting location → Chapter
7 -  All-wheel drive control unit -J492-
q   at transfer box
8 -  Trailer detector control unit -J345-
q   Fitting location → Chapter
9 -  TV tuner -R78-
q   Fitting location → Chapter
10 -  Control unit for reducing-agent heater -J891-
q   Fitting location → Chapter
11 -  Reversing camera system control unit -J772-
q   Fitting location → Chapter
12 -  Left sliding door control unit -J558-
q   Fitting location → Chapter
13 -  Electronically controlled damping control unit -J250-
q   Fitting location → Chapter
14 -  Rear left door control unit -J388-
q   Fitting location → Chapter

   
Rear right door control unit -J389-
1 -  Rear right door control unit -J389-
Location:
q   in sliding door
Pin connectors:
q   -A-6-pin connector -T6c-
q   -B-20-pin connector -T20d-
q   -C-16-pin connector -T16f-
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SEAT ALHAMBRA 2011 Sunroof roller blind control unit J394

Sunroof roller blind control unit -J394-
1 -  Sunroof roller blind control unit -J394-
Location:
q   on rear sliding sunroof
Connector:
q   -A-16-pin connector -T16t-
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SEAT ALHAMBRA 2011 Fuel pump control unit J538

Fuel pump control unit -J538-
1 -  Fuel pump control unit -J538-
Location:
q   at fuel tank
Connector:
q   -A-6-pin connector -T6d-
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SEAT ALHAMBRA 2011 Right sliding door control unit J731

Right sliding door control unit -J731-
1 -  Right sliding door control unit -J731-
Location:
q   behind rear right side trim, near wheel arch
Pin connectors:
q   -A-8-pin connector -T8s-
q   -B-10-pin connector -T10w-
q   -C-6-pin connector -T6au-
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SEAT ALHAMBRA 2011 Rear lid control unit J605

Rear lid control unit -J605-
1 -  Rear lid control unit -J605-
Location:
q   in rear lid
Pin connectors:
q   -A-5-pin connector -T5a-
q   -B-4-pin connector -T4a-
q   -C-26-pin connector -T26a-
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SEAT ALHAMBRA 2011 Remote control receiver for auxiliary coolant heater R149

Remote control receiver for auxiliary coolant heater -R149-
1 -  Remote control receiver for auxiliary coolant heater -R149-
Location:
q   near roof aerial
Pin connectors:
q   -A-6-pin connector -T6an-
q   -B-2-pin connector -T2es-
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SEAT ALHAMBRA 2011 Trailer detector control unit J345

Trailer detector control unit -J345-
1 -  Trailer detector control unit -J345-
Location:
q   in rear left side panel
Pin connectors:
q   -A-16-pin connector -T16g-
q   -B-12-pin connector T -T12d-
q   -C-12-pin connector T -T12e-
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SEAT ALHAMBRA 2011 TV tuner R78

TV tuner -R78-
1 -  TV tuner -R78-
Location:
q   in rear left side panel
Pin connectors:
q   -A-4-pin connector -T4- , TV antennas in side windows on left and right
q   -B-54-pin connector -T54a-
q   -C-4-pin connector -T4- , connectionTV card reader -R204-
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SEAT ALHAMBRA 2011 Control unit for reducing-agent heater J891

Control unit for reducing-agent heater -J891-
1 -  Control unit for reducing-agent heater -J891-
Location:
q   on reducing-agent tank at rear left
Pin connectors:
q   -A-4-pin connector -T4aq-
q   -B-5-pin connector -T5h-
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SEAT ALHAMBRA 2011 Reversing camera system control unit J772

Reversing camera system control unit -J772-
1 -  Reversing camera system control unit -J772-
Location:
q   behind rear left side trim, near wheel arch
Pin connectors:
q   -A-54-pin connector -T54b-
q   -B-2-pin connector - T - -T2- , grey (video signal)
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SEAT ALHAMBRA 2011 Left sliding door control unit J558

Left sliding door control unit -J558-
1 -  Left sliding door control unit -J558-
Location:
q   behind rear left side trim, near wheel arch
Pin connectors:
q   -A-8-pin connector -T8g-
q   -B-10-pin connector -T10q-
q   -C-6-pin connector -T6at-
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SEAT ALHAMBRA 2011 Electronically controlled damping control unit J250

Electronically controlled damping control unit -J250-
1 -  Electronically controlled damping control unit -J250-
Location:
q   on rear left on vehicle floor
Connector:
q   -A-47-pin connector -T47-
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SEAT ALHAMBRA 2011 Rear left door control unit J388

Rear left door control unit -J388-
1 -  Rear left door control unit -J388-
Location:
q   in sliding door
Pin connectors:
q   -A-6-pin connector -T6b-
q   -B-20-pin connector -T20c-
q   -C-16-pin connector -T16e-
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SEAT ALHAMBRA 2011 Overview of relay carriers

Overview of relay carriers
1 -  Relay carrier in engine compartment, on E-box low
q   Relay assignment, from September 2010 → Anchor
2 -  Relay carrier in engine compartment, below E-box low
q   Relay assignment, from September 2010 → Anchor
q   Relay assignment, from May 2011 → Anchor
3 -  Relay carrier in interior, on left behind dash panel
q   Relay assignment, from September 2010 → Anchor
q   Relay assignment, from May 2011 → Anchor
4 -  Fuse/relay carrier (SR1),interior, on left under dash panel
q   Relay assignment, from September 2010 → Anchor
5 -  Fuse/relay carrier (SR2), rear left
q   Relay assignment, from September 2010 → Anchor

   
Relay assignment in engine compartment, on E-box low, from September 2010
R1 -  Engine components current supply relay -J757-3
R1 -  Connection bridge 2
R2 -  Main relay -J271-1
R2 -  Terminal​ 30​ voltage​ supply​ relay​ -J317-2
1 Only models with a petrol engine
2 Only models with a diesel engine
3 Only engine code CCZA
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Relay assignment in engine compartment, under E-box low, from September 2010
1 -  Starter relay 1 -J906-1
2 -  Automatic​ glow​ period​ control​ unit -J179-2
3 -  Vacant
4 -  Vacant
5 -  Starter relay 2 -J907-1
5 -  Terminal 50 voltage supply relay -J682-3
6 -  Vacant
1 Only models with start/stop system
2 Only models with a diesel engine
3 Only models with no start/stop system but with Kessy
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Relay assignment in engine compartment, under E-box low, from May 2011
1 -  Starter relay 1 -J906-1
2 -  Automatic​ glow​ period​ control​ unit -J179-2
3 -  Dual tone horn relay -J4-
4 -  Headlight washer system relay -J39-
5 -  Starter relay 2 -J907-1
5 -  Terminal 50 voltage supply relay -J682-3
6 -  Additional coolant pump relay -J496-
1 Only models with start/stop system
2 Only models with a diesel engine
3 Only models with no start/stop system but with Kessy
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Relay carrier in interior, on left behind dash panel, from September 2010
1 -  Terminal 50 voltage supply relay -J682-
q   Only models without start/stop system
2 -  Heated rear window relay -J9-
3 -  Auxiliary heater operation relay -J485-
q   Only models with auxiliary heater
3 -  Low heat output relay -J359-
q   Only models with auxiliary air heater
4 -  Vacant
5 -  Vacant
6 -  Fresh air blower relay -J13-
q   Only models with auxiliary heater
7 -  Vacant
8 -  Additional coolant pump relay -J496-
q   Only models with a petrol engine
q   From May 2011, on relay carrier in engine compartment under E-box low → Anchor
8 -  Dual tone horn relay -J4-
q   From May 2011, on relay carrier in engine compartment under E-box low → Anchor
9 -  Headlight washer system relay -J39-
q   From May 2011, on relay carrier in engine compartment under E-box low → Anchor
Back to overview → Anchor

   
Relay carrier in interior, on left behind dash panel, from May 2011
1 -  Terminal 50 voltage supply relay -J682-
q   Only models without start/stop system
2 -  Heated rear window relay -J9-
3 -  Auxiliary heater operation relay -J485-
q   Only models with auxiliary heater
3 -  Low heat output relay -J359-
q   Only models with auxiliary air heater
4 -  Vacant
5 -  Vacant
6 -  Fresh air blower relay -J13-
q   Only models with auxiliary heater
7 -  Vacant
8 -  Vacant
9 -  Vacant
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Fuse/relay carrier (SR1) in interior, on left under dash panel, from September 2010
1 -  High heat output relay -J360-
q   Only models with auxiliary air heater
  Note
In right-hand drive models at position 5 (to the left of 4)
2 -  Terminal​ 75​ voltage​ supply​ relay​ 1 -J680-
3 -  Terminal 15 voltage supply relay 2 -J681-
4 -  Heated windscreen relay -J47-
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Fuse/relay carrier (SR2), rear left, from September 2010
1 -  Trailer voltage supply relay -J941-
Back to overview → Anchor
 


SEAT ALHAMBRA 2011 Overview of fuses

Overview of fuses
1 -  Fuse holder A -SA-
q   Fitting location → Anchor
q   Assignment of fuses in E-box low from September 2010 → Anchor
1 -  Fuse holder B -SB-
q   Fitting location → Anchor
q   Assignment of fuses in E-box low from September 2010 → Anchor
q   Assignment of fuses in E-box low from May 2011 → Anchor
2 -  Fuse and relay carrier SR1
q   Fitting location → Anchor
q   Fuse assignment, from September 2010 → Anchor
3 -  Fuse holder C -SC-
q   Fitting location → Anchor
q   Fuse assignment, from September 2010 → Anchor
q   Fuse assignment, from May 2011 → Anchor
q   Fuse assignment, from May 2013 → Anchor
4 -  Fuse holder D -SD-
q   Fitting location → Anchor
q   Fuse assignment, from September 2010 → Anchor
q   Fuse assignment, from May 2013 → Anchor

   
Fuse holder A (SA) on E-Box low, on left in engine compartment
Specified torque settings
⇒ Electrical system, Repair Group 97, Removing and installing fuse holders
Fuse colours
Multifuse strip fuse
  Note
The fuse strip (multifuse) must be replaced as a complete unit.
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Fuse assignment (SA) from September 2010
No.   Current Flow Diagram designation Nominal value   Function/component Terminal
SA 1 B1 Fuse 1 on fuse holder A -SA1- 150A   Alternator -C- (140 A) 30
    200A Alternator -C- (180 A) 30
SA 2 C1 Fuse 2 on fuse holder A -SA2- 80 A   Power steering control unit -J500- 30
SA 3 E1 Fuse 3 on fuse holder A -SA3- 80A   Radiator fan control unit -J293- 30
SA 4 H1 Fuse 4 on fuse holder A -SA4- 80A   Fuse holder D -SD- 30
SA 5 D1 Fuse 5 on fuse holder A -SA5- 100A   Fuse holder C -SC- , 20-pin current bridge 30
508 AM1 Threaded connection (30) on E-box -508- Terminal 30 wiring junction -TV2- 30
SA 6 F1 Fuse 6 on fuse holder A -SA6- 50A   Heated windscreen relay -J47- 30
SA 7 N1 Fuse 7 on fuse holder A -SA7- 70A   High heat output relay -J360- 30
SA 8 G1 Fuse 8 on fuse holder A -SA8- 60A   Thermal fuse 2 -S362- rear right sliding door 30
        Driver seat adjustment thermal fuse 1 -S44- 30
        Front passenger seat adjustment thermal fuse 1 -S46- 30

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Fuse holder B (SB) on E-box low, on left in engine compartment
 -  Fuse colours
50 A - red
40 A - orange
30 A - light-green
25 A - natural (white)
20 A - yellow
15 A - light blue
10 A - red
7.5 A - brown
5 A - light-brown
3 A - purple
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Fuse assignment (SB), from September 2010
No.   Current Flow Diagram designation Nominal value   Function/component Terminal
F1 - Fuse 1 on fuse holder B -SB1- 30A   Voltage stabiliser -J532- 30
F2 - Fuse 2 on fuse holder B -SB2- 30A   Onboard supply control unit -J519- , (T52b/42) 30
        # terminal 30 power  
F3 - Fuse 3 on fuse holder B -SB3- 30A   ABS control unit -J104- 30
F4 - Fuse 4 on fuse holder B -SB4- 30A   Onboard supply control unit -J519- (T52a/1) 30
        # terminal 30, left light supply  
F5 - Fuse 5 on fuse holder B -SB5- 5A   Onboard supply control unit -J519- , (T52a/24) 30
        # terminal 30, reference  
        Battery​ monitor​ control​ unit​ -J367- 30
F6 - Fuse 6 on fuse holder B -SB6- 30A   Onboard supply control unit -J519- (T52c/42) 30
        # terminal 30, right light supply  
F7 - Fuse 7 on fuse holder B -SB7- 25A   Dual tone horn relay -J4- 30
        Heated windscreen relay -J47- 30
F8 - Fuse 8 on fuse holder B -SB8- 30 A   Digital sound package amplifier -R184- 30
F9 - Fuse 9 on fuse holder B -S9- 20A   Control​ unit​ with​ display​ for​ radio​ and​ navigation -J503-4 30
F10 - Fuse 10 on fuse holder B -SB10- 30A   Engine control unit -J623- 87
F11 - Fuse 11 on fuse holder B -SB11- 5A   Data bus diagnostic interface -J533- 30
F12 - Fuse 12 on fuse holder B -SB12- 15A   Mechatronic unit for dual clutch gearbox -J743- 30
F13 - Fuse 13 on fuse holder -SB13- 5A   Engine control unit -J623- 30
          Main relay -J271- 30
          Fuse 14 on fuse holder B -SB14- 87
          Fuse 16 on fuse holder B -SB16- 87
          Fuse 18 on fuse holder B -SB18- 87
          Fuse 20 on fuse holder B -SB20- 87
          Fuse 23 on fuse holder B -SB23- 87
        Fuse 24 on fuse holder B -SB24- 87
F14 - Fuse 14 on fuse holder B -SB14- 10A   Reducing agent pump -V437-1 87
      30A Ignition coil 1 with output stage -N70- 87
        Ignition coil 2 with output stage -N127- 87
        Ignition coil 3 with output stage -N291- 87
        Ignition coil 4 with output stage -N292- 87
F15 - Fuse 15 on fuse holder B -SB15- -   Vacant 30
F16 - Fuse 16 on fuse holder B -SB16- 30A   Reducing-agent heater control unit -J891-1 87
      15A Lambda probe -G39- 87
        Lambda probe after catalytic converter -G130- 87
        Magnetic clutch for supercharger -N421- 87
F17 - Fuse 17 on fuse holder B -SB17- 20A   Fuel pressure regulating valve -N276- 87
F18 - Fuse 18 on fuse holder B -SB18- 30A   Fuel pump control unit -J538- 87
F19 - Fuse 19 on fuse holder B -SB19- 30 A   Wiper motor control unit -J400- 87
F20 - Fuse 20 on fuse holder B -SB20- 15A   Additional coolant pump relay -J496-2 87
        Lambda probe -G39-1 87
        NOx sender control unit -J583-1 87
        Air mass meter -G70-1 87
F21 - Fuse 21 on fuse holder B -SB21- 20 A   Auxiliary heater control unit -J364- 30
F22 - Fuse 22 on fuse holder B -SB22- 30A   Rear air recirculation blower -V242-5 30
F23 - Fuse 23 on fuse holder B -SB23- 15 A   Charge​ pressure​ control​ solenoid​ valve -N75-1 87
        Crankcase​ breather​ heater​ element -N79-1 87
        Automatic​ glow​ period​ control​ unit -J179-1 87
        Exhaust gas recirculation cooler changeover valve -N345-1 87
        Fuel metering valve -N290-1 87
        Fuel pressure regulating valve -N276-1 87
        Coolant circulation pump 2 -V178-1 87
        Additional coolant pump relay -J496-2 87
        Clutch position sender -G476- 87
F24 - Fuse 24 on fuse holder B -SB24- 10A   Engine component current supply relay -J757-2 , 3 87
        #Fuse 17 on fuse holder B -SB17-2
        #Fuse 28 on fuse holder B -SB28-1
        Radiator fan control unit -J293- 87
        Turbocharger air recirculation valve -N249- 87
        Activated charcoal filter system solenoid valve 1 -N80- 87
        Camshaft​ control​ valve​ 1 -N205- 87
        Charge​ pressure​ control​ solenoid​ valve -N75-2 87
        Low heat output relay -J359- 87
        High heat output relay -J360- 87
F25 - Fuse 25 fuse holder B -SB25- 40A   ABS control unit -J104- 30
F26 - Fuse 26 on fuse holder B -SB26- 40A   Fresh air blower control unit -J126- 30
        Low heat output relay -J359- 30
F27 - Fuse 27 on fuse holder B -SB27- 50A   Terminal 15 voltage supply relay 2 -J681- 30
F28 - Fuse 28 on fuse holder B -SB28- 50 A   Automatic glow period control unit -J179- 30, (87)
F29 - Fuse 29 on fuse holder B -SB29- 40A   Fuse 17 on fuse holder C -SC17- 30
        Fuse 18 on fuse holder C -SC18- 30
        Fuse 36 on fuse holder C -SC36- 30
        Fuse 37 on fuse holder C -SC37- 30
        Fuse 38 on fuse holder C -SC38- 30
        Fuse 39 on fuse holder C -SC39- 30
        Fuse 40 on fuse holder C -SC40- 30
        Fuse 41 on fuse holder C -SC41- 30
        Fuse 58 on fuse holder C -SC58- 30
F30 - Fuse 30 on fuse holder B -SB30- 50A   Terminal​ 75​ voltage​ supply​ relay​ 1 -J680- 30
1 Diesel
2 Petrol
3 Bridge only with Diesel, else relay J757
4 Only models with no start/stop system
5 See fuse assignment (SC), from May 2011

Back to overview → Anchor
   
Fuse assignment (SB), from May 2011
No.   Current Flow Diagram designation Nominal value   Function/component Terminal
F1 - Fuse 1 on fuse holder B -SB1- 30A   Voltage stabiliser -J532- 30
F2 - Fuse 2 on fuse holder B -SB2- 30A   Onboard supply control unit -J519- , (T52b/42) 30
        # terminal 30 power  
F3 - Fuse 3 on fuse holder B -SB3- 30A   ABS control unit -J104- 30
F4 - Fuse 4 on fuse holder B -SB4- 30A   Onboard supply control unit -J519- (T52a/1) 30
        # terminal 30, left light supply  
F5 - Fuse 5 on fuse holder B -SB5- 5A   Onboard supply control unit -J519- , (T52a/24) 30
        # terminal 30, reference  
        Battery​ monitor​ control​ unit​ -J367- 30
F6 - Fuse 6 on fuse holder B -SB6- 30A   Onboard supply control unit -J519- (T52c/42) 30
        # terminal 30, right light supply  
F7 - Fuse 7 on fuse holder B -SB7- 25A   Dual tone horn relay -J4- 30
        Heated windscreen relay -J47- 30
F8 - Fuse 8 on fuse holder B -SB8- 30 A   Digital sound package amplifier -R184- 30
F9 - Fuse 9 on fuse holder B -S9- 20A   Control​ unit​ with​ display​ for​ radio​ and​ navigation -J503-4 30
F10 - Fuse 10 on fuse holder B -SB10- 30A   Engine control unit -J623- 87
F11 - Fuse 11 on fuse holder B -SB11- 5A   Data bus diagnostic interface -J533- 30
F12 - Fuse 12 on fuse holder B -SB12- 15A   Mechatronic unit for dual clutch gearbox -J743- 30
F13 - Fuse 13 on fuse holder -SB13- 5A   Engine control unit -J623- 30
          Main relay -J271- 30
          Fuse 14 on fuse holder B -SB14- 87
          Fuse 16 on fuse holder B -SB16- 87
          Fuse 18 on fuse holder B -SB18- 87
          Fuse 20 on fuse holder B -SB20- 87
          Fuse 23 on fuse holder B -SB23- 87
        Fuse 24 on fuse holder B -SB24- 87
F14 - Fuse 14 on fuse holder B -SB14- 10A   Reducing agent pump -V437-1 87
      30A Ignition coil 1 with output stage -N70- 87
        Ignition coil 2 with output stage -N127- 87
        Ignition coil 3 with output stage -N291- 87
        Ignition coil 4 with output stage -N292- 87
F15 - Fuse 15 on fuse holder B -SB15- -   Vacant 30
F16 - Fuse 16 on fuse holder B -SB16- 30A   Reducing-agent heater control unit -J891-1 87
      15A Lambda probe -G39- 87
        Lambda probe after catalytic converter -G130- 87
        Magnetic clutch for supercharger -N421- 87
F17 - Fuse 17 on fuse holder B -SB17- 15A   Fuel pressure regulating valve -N276- 87
F18 - Fuse 18 on fuse holder B -SB18- 30A   Fuel pump control unit -J538- 87
F19 - Fuse 19 on fuse holder B -SB19- 30 A   Wiper motor control unit -J400- 87
F20 - Fuse 20 on fuse holder B -SB20- 15A   Additional coolant pump relay -J496-2 87
        Lambda probe -G39-1 87
        NOx sender control unit -J583-1 87
        Air mass meter -G70-1 87
F21 - Fuse 21 on fuse holder B -SB21- 20 A   Auxiliary heater control unit -J364- 30
F22 - Fuse 22 on fuse holder B -SB22- 20A   Headlight washer system relay -J39- 30
F23 - Fuse 23 on fuse holder B -SB23- 15 A   Charge​ pressure​ control​ solenoid​ valve -N75-1 87
        Crankcase​ breather​ heater​ element -N79-1 87
        Automatic​ glow​ period​ control​ unit -J179-1 87
        Exhaust gas recirculation cooler changeover valve -N345-1 87
        Fuel metering valve -N290-1 87
        Fuel pressure regulating valve -N276-1 87
        Coolant circulation pump 2 -V178-1 87
        Additional coolant pump relay -J496-2 87
        Clutch position sender -G476- 87
        Brake​ light​ switch -F-5 87
F24 - Fuse 24 on fuse holder B -SB24- 10A   Engine component current supply relay -J757-2 , 3 87
        #Fuse 17 on fuse holder B -SB17-2
        #Fuse 28 on fuse holder B -SB28-1
        Radiator fan control unit -J293- 87
        Turbocharger air recirculation valve -N249- 87
        Activated charcoal filter system solenoid valve 1 -N80- 87
        Camshaft​ control​ valve​ 1 -N205- 87
        Charge​ pressure​ control​ solenoid​ valve -N75-2 87
        Low heat output relay -J359- 87
        High heat output relay -J360- 87
F25 - Fuse 25 fuse holder B -SB25- 40A   ABS control unit -J104- 30
F26 - Fuse 26 on fuse holder B -SB26- 40A   Fresh air blower control unit -J126- 30
        Low heat output relay -J359- 30
F27 - Fuse 27 on fuse holder B -SB27- 50A   Terminal 15 voltage supply relay 2 -J681- 30
F28 - Fuse 28 on fuse holder B -SB28- 50 A   Automatic glow period control unit -J179- 30, (87)
F29 - Fuse 29 on fuse holder B -SB29- 40A   Fuse 17 on fuse holder C -SC17- 30
        Fuse 18 on fuse holder C -SC18- 30
        Fuse 36 on fuse holder C -SC36- 30
        Fuse 37 on fuse holder C -SC37- 30
        Fuse 38 on fuse holder C -SC38- 30
        Fuse 39 on fuse holder C -SC39- 30
        Fuse 40 on fuse holder C -SC40- 30
        Fuse 41 on fuse holder C -SC41- 30
        Fuse 58 on fuse holder C -SC58- 30
F30 - Fuse 30 on fuse holder B -SB30- 50A   Terminal​ 75​ voltage​ supply​ relay​ 1 -J680- 30
1 Diesel
2 Petrol
3 Bridge only with Diesel, else relay J757
4 Only models with no start/stop system
5 From November 2011

Back to overview → Anchor
   
Fuse holder C (SC) under left dash panel
 -  Fuse colours
50 A - red
40 A - orange
30 A - light-green
25 A - natural (white)
20 A - yellow
15 A - light blue
10 A - red
7.5 A - brown
5 A - light-brown
3 A - purple
Back to overview → Anchor

   
Fuse assignment, from September 2010
No.   Current Flow Diagram designation Nominal value   Function/component Terminal
1   Fuse 1 on fuse holder C -SC1- -   Vacant 15
2   Fuse 2 on fuse holder C -SC2- -   Vacant 15
3   Fuse 3 on fuse holder C -SC3- -   Vacant 15
4   Fuse 4 on fuse holder C -SC4- 10A   DC/AC converter with socket, 12V-230V -U13- 15
        Voltage stabiliser -J532- 15
        Starter relay 1 -J906-1  
          Starter relay 2 -J907-1 15
5   Fuse 5 on fuse holder C -SC5- 10A   Electronically controlled damping control unit -J250- 15
6   Fuse 6 on fuse holder C -SC6- -   Vacant 15
7   Fuse 7 on fuse holder C -SC7- -   Vacant 15
8   Fuse 8 on fuse holder C -SC8- -   Vacant 15
9   Fuse 9 on fuse holder C -SC9- 7.5A   Front passenger side airbag deactivated warning lamp -K145- 15
          Airbag​ control​ unit​ -J234- 15
10   Fuse 10 on fuse holder C -SC10- 5A   Taxi meter -G41- 15
        Mirror taxi meter -G511- 15
        Control unit for taxi alarm remote control -J601- 15
11   Fuse 11 on fuse holder C -SC11- 10A   All-wheel drive control unit -J492- 15
12   Fuse 12 on fuse holder C -SC12- 10A   Left gas discharge light -L13- 15
13   Fuse 13 on fuse holder C -SC13- 5A   Electromechanical parking brake button -E538- 15
        Oil level and oil temperature sender -G266- 15
        Reversing light switch -F4- 15
        Operating unit in front of centre console -E461- 15
        High-pressure sender -G65- 15
        Parking aid control unit -J446- 15
        Interior mirror -EX5- 15
14   Fuse 14 on fuse holder C -SC14- 7.5A Light switch -E1- 15
        Trailer detector control unit -J345- 15
        Control​ unit​ for​ electromechanical​ parking​ brake -J540- 15
          ABS control unit -J104- 15
        Brake light switch -F- 15
        Power steering control unit -J500- 15
        Engine control unit -J623- 15
        Data bus diagnostic interface -J533- 15
        Control unit in dash panel insert -J285- 15
15   Fuse 15 on fuse holder C -SC15- 10A   Auxiliary heater operation relay -J485- 15
        Diagnostic connection -U31- 15
          Left headlight -MX1- , not Xenon 15
        Right​ headlight -MX2- , not Xenon 15
        Control unit for bend lighting and headlight range control​ -J745- 15
        Switch and instrument illumination regulator -E20- 15
        Air mass meter -G70- 15
16   Fuse 16 on fuse holder C -SC16- 10A   Right gas discharge bulb -L14- 15
17   Fuse 17 on fuse holder C -SC17- 5A   Mobile telephone operating electronics control unit -J412- 30
18   Fuse 18 on fuse holder C -SC18- 7.5A   Control unit for taxi alarm remote control -J601- 30
        Data transmission control unit -J753- 30
19   Fuse 19 on fuse holder C -SC19- -   Vacant  
20   Fuse 20 on fuse holder C -SC20- 5A   ABS control unit -J104- 30
21   Fuse 21 on fuse holder C -SC21- 5A   2nd heat exchanger switch-off valve -N317- 30
22   Fuse 22 on fuse holder C -SC22- 7.5A   Rain and light sensor -G397- 30
        Diagnostic connection -U31- 30
        Reversing camera system control unit -J772- 30
        Light switch -E1- 30
23   Fuse 23 on fuse holder C -SC23- 7.5A   Selector lever sensors control unit -J587- 30
        Electromechanical parking brake button -E538- 30
        Climatronic control unit -J255- 30
        Air​ conditioning​ system​ control​ unit​ -J301- 30
        Operating​ and​ display​ unit​ for​ rear​ air​ conditioning​ system -E265- 30
          Rear blower regulation sensor -G463- 30
          Remote control receiver for auxiliary coolant heater -R149- 30
24   Fuse 24 on fuse holder C -SC24- 7.5A   Entry​ and​ start​ authorisation​ control​ unit​ -J518- 30
25   Fuse 25 on fuse holder C -SC25- 7.5A   Mechatronic unit for dual clutch gearbox -J743- 15
          Selector lever sensors control unit -J587- 15
26   Fuse 26 on fuse holder C -SC26- 5A   Air quality sensor -G238- 15
27   Fuse 27 on fuse holder C -SC27- - Vacant
28   Fuse 28 on fuse holder C -SC28- 10A   Rear window wiper motor -V12- 75
29   Fuse 29 on fuse holder C -SC29- 30A   12V socket -U5- 75
        12V socket 3 -U19- 75
        Blocking diode -J29- 75
30   Fuse 30 on fuse holder C -SC30- 30A   Cigarette lighter -U1- 75
        12V socket 2 -U18- 75
        Onboard supply control unit -J519- (T52c/21) 75
        # Terminal 75 diagnosis feedback
31   Fuse 31 on fuse holder C -SC31- -   Vacant 75
32   Fuse 32 on fuse holder C -SC32- -   Vacant 75
33   Fuse 33 on fuse holder C -SC33- -   Vacant 75
34   Fuse 34 on fuse holder C -SC34- -   Vacant 75
35   Fuse 35 on fuse holder C -SC35- -   Vacant 75
36   Fuse 36 on fuse holder C -SC36- 30A   Control​ unit​ for​ electromechanical​ parking​ brake -J540- 30
37   Fuse 37 on fuse holder C -SC37- 10A   Two-way radio unit -R8- 30
    25A   Sliding sunroof control unit -J245- 30
38   Fuse 38 on fuse holder C -SC38- 10A   Taxi meter -G41- 30
          Mirror taxi meter -G511- 30
          Front interior light button -E326- 30
          Taxi sign switch -E138- 30
          Taxi alarm active button -E485- 30
    30A   Sunroof roller blind control unit -J394- 30
39   Fuse 39 on fuse holder C -SC39- 7.5A   Steering column electronics control unit -J527- 30
40   Fuse 40 on fuse holder C -SC40- 5A Multimedia system control unit -J650- 30
41   Fuse 41 on fuse holder C -SC41- 5A   Dash panel insert -K- 30
42   Fuse 42 on fuse holder C -SC42- 15A Electronically controlled damping control unit -J250- 30
43   Fuse 43 on fuse holder C -SC43- 30A   Driver seat lumbar support adjustment switch -E176- 30
        Front passenger seat lumbar support adjustment switch -E177- 30
44   Fuse 44 on fuse holder C -SC44- 25A   Fresh air blower relay -J13- 30
        Heated rear window relay -J9- 30
45   Fuse 45 on fuse holder C -SC45- 30A   Front passenger door control unit -J387- 30
        Rear right sliding door control unit -J871- 30
46   Fuse 46 on fuse holder C -SC46- 30A   Driver door control unit -J386- 30
        Rear left sliding door control unit -J870- 30
47   Fuse 47 on fuse holder C -SC47- - Vacant 30
48   Fuse 48 on fuse holder C -SC48- 15A   Anti-theft alarm system horn -H8- 30
          Interior monitoring sensor -G273- 30
          Onboard supply control unit -J519- (T52c/1) 30
        # Terminal 30, Anti-theft alarm supply  
49   Fuse 49 on fuse holder C -SC49- 30A Control​ unit​ for​ electromechanical​ parking​ brake -J540- 30
50   Fuse 50 on fuse holder C -SC50- 30A   Onboard supply control unit -J519- , (T52b/1) 30
        # Terminal 30, Central locking supply  
51   Fuse 51 on fuse holder C -SC51- 30A Heated front seats control unit -J774- 30
52   Fuse 52 on fuse holder C -SC52- 20A Headlight washer system relay -J39-3 30
53   Fuse 53 on fuse holder C -SC53- 30A DC/AC converter with socket, 12V-230V -U13- 30
54   Fuse 54 on fuse holder C -SC54- 10A Electronic steering column lock control unit -J764- 30
55   Fuse 55 on fuse holder C -SC55- 25A Trailer voltage supply relay -J941- 30
56   Fuse 56 on fuse holder C -SC56- 30A Trailer detector control unit -J345- 30
57   Fuse 57 on fuse holder C -SC57- - Vacant 30
58   Fuse 58 on fuse holder C -SC58- 25A Special vehicle control unit -J608- 30
           
1 Only models with start/stop system
2 Only models with no start/stop system
3 See fuse assignment (SB), from May 2011
 

Back to overview → Anchor
   
Fuse assignment (SC), from May 2011
No.   Current Flow Diagram designation Nominal value   Function/component Terminal
1   Fuse 1 on fuse holder C -SC1- -   Vacant 15
2   Fuse 2 on fuse holder C -SC2- -   Vacant 15
3   Fuse 3 on fuse holder C -SC3- -   Vacant 15
4   Fuse 4 on fuse holder C -SC4- 10A   DC/AC converter with socket, 12V-230V -U13- 15
        Voltage stabiliser -J532- 15
        Starter relay 1 -J906-1  
          Starter relay 2 -J907-1 15
5   Fuse 5 on fuse holder C -SC5- 10A   Electronically controlled damping control unit -J250- 15
6   Fuse 6 on fuse holder C -SC6- -   Vacant 15
7   Fuse 7 on fuse holder C -SC7- -   Vacant 15
8   Fuse 8 on fuse holder C -SC8- -   Vacant 15
9   Fuse 9 on fuse holder C -SC9- 7.5A   Front passenger side airbag deactivated warning lamp -K145- 15
          Airbag​ control​ unit​ -J234- 15
10   Fuse 10 on fuse holder C -SC10- 5A   Taxi meter -G41- 15
        Mirror taxi meter -G511- 15
        Control unit for taxi alarm remote control -J601- 15
11   Fuse 11 on fuse holder C -SC11- 10A   All-wheel drive control unit -J492- 15
12   Fuse 12 on fuse holder C -SC12- 10A   Left gas discharge light -L13- 15
13   Fuse 13 on fuse holder C -SC13- 5A   Electromechanical parking brake button -E538- 15
        Oil level and oil temperature sender -G266- 15
        Reversing light switch -F4- 15
        Operating unit in front of centre console -E461- 15
        High-pressure sender -G65- 15
        Parking aid control unit -J446- 15
        Interior mirror -EX5- 15
        Front camera for driver assist systems -R242- 15
14   Fuse 14 on fuse holder C -SC14- 7.5A Light switch -E1- 15
        Trailer detector control unit -J345- 15
        Control​ unit​ for​ electromechanical​ parking​ brake -J540- 15
          ABS control unit -J104- 15
        Brake​ light​ switch -F-3 15
        Power steering control unit -J500- 15
        Engine control unit -J623- 15
        Data bus diagnostic interface -J533- 15
        Control unit in dash panel insert -J285- 15
15   Fuse 15 on fuse holder C -SC15- 10A   Auxiliary heater operation relay -J485- 15
        Diagnostic connection -U31- 15
          Left headlight -MX1- , not Xenon 15
        Right​ headlight -MX2- , not Xenon 15
        Control unit for bend lighting and headlight range control​ -J745- 15
        Switch and instrument illumination regulator -E20- 15
        Air mass meter -G70- 15
16   Fuse 16 on fuse holder C -SC16- 10A   Right gas discharge bulb -L14- 15
17   Fuse 17 on fuse holder C -SC17- 5A   Mobile telephone operating electronics control unit -J412- 30
18   Fuse 18 on fuse holder C -SC18- 7.5A   Control unit for taxi alarm remote control -J601- 30
        Data transmission control unit -J753- 30
19   Fuse 19 on fuse holder C -SC19- -   Vacant  
20   Fuse 20 on fuse holder C -SC20- 5A   ABS control unit -J104- 30
21   Fuse 21 on fuse holder C -SC21- 5A   2nd heat exchanger switch-off valve -N317- 30
22   Fuse 22 on fuse holder C -SC22- 7.5A   Rain and light sensor -G397- 30
        Diagnostic connection -U31- 30
        Reversing camera system control unit -J772- 30
        Light switch -E1- 30
23   Fuse 23 on fuse holder C -SC23- 7.5A   Selector lever sensors control unit -J587- 30
        Electromechanical parking brake button -E538- 30
        Climatronic control unit -J255- 30
        Air​ conditioning​ system​ control​ unit​ -J301- 30
        Operating​ and​ display​ unit​ for​ rear​ air​ conditioning​ system -E265- 30
          Rear blower regulation sensor -G463- 30
          Remote control receiver for auxiliary coolant heater -R149- 30
24   Fuse 24 on fuse holder C -SC24- 7.5A   Entry​ and​ start​ authorisation​ control​ unit​ -J518- 30
25   Fuse 25 on fuse holder C -SC25- 7.5A   Mechatronic unit for dual clutch gearbox -J743- 15
          Selector lever sensors control unit -J587- 15
26   Fuse 26 on fuse holder C -SC26- 5A   Air quality sensor -G238- 15
27   Fuse 27 on fuse holder C -SC27- - Vacant
28   Fuse 28 on fuse holder C -SC28- 15A   Rear window wiper motor -V12- 75
29   Fuse 29 on fuse holder C -SC29- 30A   12V socket -U5- 75
        12V socket 3 -U19- 75
        Blocking diode -J29- 75
30   Fuse 30 on fuse holder C -SC30- 30A   Cigarette lighter -U1- 75
        12V socket 2 -U18- 75
        Onboard supply control unit -J519- (T52c/21) 75
        # Terminal 75 diagnosis feedback
31   Fuse 31 on fuse holder C -SC31- -   Vacant 75
32   Fuse 32 on fuse holder C -SC32- -   Vacant 75
33   Fuse 33 on fuse holder C -SC33- -   Vacant 75
34   Fuse 34 on fuse holder C -SC34- -   Vacant 75
35   Fuse 35 on fuse holder C -SC35- -   Vacant 75
36   Fuse 36 on fuse holder C -SC36- 30A   Control​ unit​ for​ electromechanical​ parking​ brake -J540- 30
37   Fuse 37 on fuse holder C -SC37- 25A   Sliding sunroof control unit -J245- 30
38   Fuse 38 on fuse holder C -SC38- 30A   Sunroof roller blind control unit -J394- 30
39   Fuse 39 on fuse holder C -SC39- 7.5A   Steering column electronics control unit -J527- 30
40   Fuse 40 on fuse holder C -SC40- 5A Multimedia system control unit -J650- 30
41   Fuse 41 on fuse holder C -SC41- 5A   Dash panel insert -K- 30
42   Fuse 42 on fuse holder C -SC42- 15A Electronically controlled damping control unit -J250- 30
43   Fuse 43 on fuse holder C -SC43- 30A   Driver seat lumbar support adjustment switch -E176- 30
        Front passenger seat lumbar support adjustment switch -E177- 30
44   Fuse 44 on fuse holder C -SC44- 25A   Fresh air blower relay -J13- 30
        Heated rear window relay -J9- 30
45   Fuse 45 on fuse holder C -SC45- 30A   Front passenger door control unit -J387- 30
        Rear right sliding door control unit -J871- 30
46   Fuse 46 on fuse holder C -SC46- 30A   Driver door control unit -J386- 30
        Rear left sliding door control unit -J870- 30
47   Fuse 47 on fuse holder C -SC47- 10A   Taxi meter -G41- 30
          Mirror taxi meter -G511- 30
          Front interior light button -E326- 30
          Taxi sign switch -E138- 30
          Taxi alarm active button -E485- 30
48   Fuse 48 on fuse holder C -SC48- 15A   Anti-theft alarm system horn -H8- 30
          Interior monitoring sensor -G273- 30
          Onboard supply control unit -J519- (T52c/1) 30
          # Terminal 30, Anti-theft alarm supply  
49   Fuse 49 on fuse holder C -SC49- 30A Control​ unit​ for​ electromechanical​ parking​ brake -J540- 30
50   Fuse 50 on fuse holder C -SC50- 30A   Onboard supply control unit -J519- , (T52b/1) 30
        # Terminal 30, Central locking supply  
51   Fuse 51 on fuse holder C -SC51- 30A Heated front seats control unit -J774- 30
52   Fuse 52 on fuse holder C -SC52- 30A Rear air recirculation blower -V242- 30
53   Fuse 53 on fuse holder C -SC53- 30A DC/AC converter with socket, 12V-230V -U13- 30
54   Fuse 54 on fuse holder C -SC54- 10A Electronic steering column lock control unit -J764- 30
55   Fuse 55 on fuse holder C -SC55- 25A Trailer voltage supply relay -J941- 30
56   Fuse 56 on fuse holder C -SC56- 30A Trailer detector control unit -J345- 30
57   Fuse 57 on fuse holder C -SC57- 10A   Two-way radio unit -R8- 30
58   Fuse 58 on fuse holder C -SC58- 25A   Special vehicle control unit -J608- 30
           
1 Only models with start/stop system
2 Only models with no start/stop system
3 To November 2011
 

Back to overview → Anchor
   
Fuse assignment (SC), from May 2013
No.   Current Flow Diagram designation Nominal value   Function/component Terminal
1   Fuse 1 on fuse holder C -SC1- -   Vacant 15
2   Fuse 2 on fuse holder C -SC2- -   Vacant 15
3   Fuse 3 on fuse holder C -SC3- -   Vacant 15
4   Fuse 4 on fuse holder C -SC4- 10A   DC/AC converter with socket, 12V-230V -U13- 15
        Voltage stabiliser -J532- 15
        Starter relay 1 -J906-1  
          Starter relay 2 -J907-1 15
5   Fuse 5 on fuse holder C -SC5- 10A   Electronically controlled damping control unit -J250- 15
6   Fuse 6 on fuse holder C -SC6- -   Vacant 15
7   Fuse 7 on fuse holder C -SC7- -   Vacant 15
8   Fuse 8 on fuse holder C -SC8- -   Vacant 15
9   Fuse 9 on fuse holder C -SC9- 7.5A   Front passenger side airbag deactivated warning lamp -K145- 15
          Airbag​ control​ unit​ -J234- 15
10   Fuse 10 on fuse holder C -SC10- 5A   Taxi meter -G41- 15
        Mirror taxi meter -G511- 15
        Control unit for taxi alarm remote control -J601- 15
11   Fuse 11 on fuse holder C -SC11- 10A   All-wheel drive control unit -J492- 15
12   Fuse 12 on fuse holder C -SC12- 10A   Left gas discharge light -L13- 15
13   Fuse 13 on fuse holder C -SC13- 5A   Electromechanical parking brake button -E538- 15
        Oil level and oil temperature sender -G266- 15
        Reversing light switch -F4- 15
        Operating unit in front of centre console -E461- 15
        High-pressure sender -G65- 15
        Parking aid control unit -J446- 15
        Interior mirror -EX5- 15
        Front camera for driver assist systems -R242- 15
14   Fuse 14 on fuse holder C -SC14- 7.5A Light switch -E1- 15
        Trailer detector control unit -J345- 15
        Control​ unit​ for​ electromechanical​ parking​ brake -J540- 15
          ABS control unit -J104- 15
        Brake​ light​ switch -F-3 15
        Power steering control unit -J500- 15
        Engine control unit -J623- 15
        Data bus diagnostic interface -J533- 15
        Control unit in dash panel insert -J285- 15
15   Fuse 15 on fuse holder C -SC15- 10A   Auxiliary heater operation relay -J485- 15
        Diagnostic connection -U31- 15
          Left headlight -MX1- , not Xenon 15
        Right​ headlight -MX2- , not Xenon 15
        Control unit for bend lighting and headlight range control​ -J745- 15
        Switch and instrument illumination regulator -E20- 15
        Air mass meter -G70- 15
16   Fuse 16 on fuse holder C -SC16- 10A   Right gas discharge bulb -L14- 15
17   Fuse 17 on fuse holder C -SC17- 5A   Mobile telephone operating electronics control unit -J412- 30
18   Fuse 18 on fuse holder C -SC18- 7.5A   Control unit for taxi alarm remote control -J601- 30
        Data transmission control unit -J753- 30
19   Fuse 19 on fuse holder C -SC19- -   Vacant  
20   Fuse 20 on fuse holder C -SC20- 5A   ABS control unit -J104- 30
21   Fuse 21 on fuse holder C -SC21- 5A   2nd heat exchanger switch-off valve -N317- 30
22   Fuse 22 on fuse holder C -SC22- 7.5A   Rain and light sensor -G397- 30
        Diagnostic connection -U31- 30
        Reversing camera system control unit -J772- 30
        Light switch -E1- 30
23   Fuse 23 on fuse holder C -SC23- 7.5A   Selector lever sensors control unit -J587- 30
        Electromechanical parking brake button -E538- 30
        Climatronic control unit -J255- 30
        Air​ conditioning​ system​ control​ unit​ -J301- 30
        Operating​ and​ display​ unit​ for​ rear​ air​ conditioning​ system -E265- 30
          Rear blower regulation sensor -G463- 30
          Remote control receiver for auxiliary coolant heater -R149- 30
24   Fuse 24 on fuse holder C -SC24- 7.5A   Entry​ and​ start​ authorisation​ control​ unit​ -J518- 30
25   Fuse 25 on fuse holder C -SC25- 7.5A   Mechatronic unit for dual clutch gearbox -J743- 15
          Selector lever sensors control unit -J587- 15
26   Fuse 26 on fuse holder C -SC26- 5A   Air quality sensor -G238- 15
27   Fuse 27 on fuse holder C -SC27- - Vacant
28   Fuse 28 on fuse holder C -SC28- 15A   Rear window wiper motor -V12- 75
29   Fuse 29 on fuse holder C -SC29- 30A   12V socket -U5- 75
        12V socket 3 -U19- 75
        Blocking diode -J29- 75
30   Fuse 30 on fuse holder C -SC30- 30A   Cigarette lighter -U1- 75
        12V socket 2 -U18- 75
        Onboard supply control unit -J519- (T52c/21) 75
        # Terminal 75 diagnosis feedback
31   Fuse 31 on fuse holder C -SC31- -   Vacant 75
32   Fuse 32 on fuse holder C -SC32- -   Vacant 75
33   Fuse 33 on fuse holder C -SC33- -   Vacant 75
34   Fuse 34 on fuse holder C -SC34- -   Vacant 75
35   Fuse 35 on fuse holder C -SC35- -   Vacant 75
36   Fuse 36 on fuse holder C -SC36- 30A   Control​ unit​ for​ electromechanical​ parking​ brake -J540- 30
37   Fuse 37 on fuse holder C -SC37- 25A   Sliding sunroof control unit -J245- 30
38   Fuse 38 on fuse holder C -SC38- 30A   Sunroof roller blind control unit -J394- 30
39   Fuse 39 on fuse holder C -SC39- 7.5A   Steering column electronics control unit -J527- 30
40   Fuse 40 on fuse holder C -SC40- 5A Multimedia system control unit -J650- 30
41   Fuse 41 on fuse holder C -SC41- 5A   Dash panel insert -K- 30
42   Fuse 42 on fuse holder C -SC42- 15A Electronically controlled damping control unit -J250- 30
43   Fuse 43 on fuse holder C -SC43- 30A   Driver seat lumbar support adjustment switch -E176- 30
        Front passenger seat lumbar support adjustment switch -E177- 30
44   Fuse 44 on fuse holder C -SC44- 25A   Fresh air blower relay -J13- 30
        Heated rear window relay -J9- 30
45   Fuse 45 on fuse holder C -SC45- 30A   Front passenger door control unit -J387- 30
        Rear right sliding door control unit -J871- 30
46   Fuse 46 on fuse holder C -SC46- 30A   Driver door control unit -J386- 30
        Rear left sliding door control unit -J870- 30
47   Fuse 47 on fuse holder C -SC47- 10A   Taxi meter -G41- 30
          Mirror taxi meter -G511- 30
          Front interior light button -E326- 30
          Taxi sign switch -E138- 30
          Taxi alarm active button -E485- 30
48   Fuse 48 on fuse holder C -SC48- 15A   Anti-theft alarm system horn -H8- 30
          Interior monitoring sensor -G273- 30
          Onboard supply control unit -J519- (T52c/1) 30
          # Terminal 30, Anti-theft alarm supply  
49   Fuse 49 on fuse holder C -SC49- 30A Control​ unit​ for​ electromechanical​ parking​ brake -J540- 30
50   Fuse 50 on fuse holder C -SC50- 30A   Onboard supply control unit -J519- , (T52b/1) 30
        # Terminal 30, Central locking supply  
51   Fuse 51 on fuse holder C -SC51- 30A Heated front seats control unit -J774- 30
52   Fuse 52 on fuse holder C -SC52- 30A Rear air recirculation blower -V242- 30
53   Fuse 53 on fuse holder C -SC53- 30A DC/AC converter with socket, 12V-230V -U13- 30
54   Fuse 54 on fuse holder C -SC54- 10A Electronic steering column lock control unit -J764- 30
55   Fuse 55 on fuse holder C -SC55- 25A All-wheel drive control unit -J492- 30
56   Fuse 56 on fuse holder C -SC56- - Vacant 30
57   Fuse 57 on fuse holder C -SC57- 10A   Two-way radio unit -R8- 30
58   Fuse 58 on fuse holder C -SC58- 25A   Special vehicle control unit -J608- 30
           
1 Only models with start/stop system
2 Only models with no start/stop system
 

Back to overview → Anchor
   
Fuse and relay carrier (SR1), above fuse holder SC
 -  Fuse colours
50 A - red
40 A - orange
30 A - light-green
25 A - natural (white)
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Fuse assignment (SR1), from September 2010
No.   Current Flow Diagram designation Nominal value   Function/component Terminal
1   Thermal fuse 2 -S362- 40A   Right sliding door control unit -J731- 30
2   Driver seat adjustment thermal fuse 1 -S44- 30A Driver seat adjustment operating unit -E470- 30
3   Front passenger seat adjustment thermal fuse 1 -S46- 30A   Front passenger seat adjustment operating unit -E471- 30

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Fuse holder D (SD), rear left
Fuse colours
50 A - red
40 A - orange
30 A - light-green
25 A - natural (white)
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Fuse assignment (SD), from September 2010
No.   Current Flow Diagram designation Nominal value   Function/component Terminal
1   Fuse 1 on fuse holder D -SD1- 40A   Left sliding door control unit -J558- 30
2   Fuse 2 on fuse holder D -SD2- 30A   Rear lid control unit -J605- 30
3   Fuse 3 on fuse holder D -SD3- 30A   Trailer detector control unit -J345- 30
4   Fuse 4 on fuse holder D -SD4- 30A   Trailer detector control unit -J345- 30
5   Fuse 5 on fuse holder D -SD5- -   Vacant  
6   Fuse 6 on fuse holder D -SD6- -   Vacant  

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Fuse assignment (SD), from May 2013
No.   Current Flow Diagram designation Nominal value   Function/component Terminal
1   Fuse 1 on fuse holder D -SD1- 40A   Left sliding door control unit -J558- 30
2   Fuse 2 on fuse holder D -SD2- 30A   Rear lid control unit -J605- 30
3   Fuse 3 on fuse holder D -SD3- 30A   Trailer detector control unit -J345- 30
4   Fuse 4 on fuse holder D -SD4- 30A   Trailer detector control unit -J345- 30
5   Fuse 5 on fuse holder D -SD5- 25A   Trailer voltage supply relay -J941- 30
6   Fuse 6 on fuse holder D -SD6- 30A   Trailer detector control unit -J345- 30

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SEAT ALHAMBRA 2011 Overview of control units

Overview of control units
1 -  Headlight range control unit -J431-
q   Fitting location → Chapter
2 -  Fresh air blower control unit -J126-
q   Fitting location → Chapter
3 -  Mobile telephone operating electronics control unit -J412-
q   Fitting location, without optional equipment MEDIA-IN multimedia socket → Chapter
q   Fitting location, with optional equipment MEDIA-IN multimedia socket → Chapter
4 -  Front passenger door control unit -J387-
q   Fitting location → Chapter
5 -  Multimedia system control unit -J650-
q   Fitting location → Chapter
6 -  Control​ unit​ for​ electromechanical​ parking​ brake -J540-
q   Fitting location → Chapter
7 -  Special vehicle control unit -J608-
q   Fitting location → Chapter
8 -  Digital sound package amplifier -R184-
q   Fitting location → Chapter
9 -  Driver door control unit -J386-
q   Fitting location → Chapter
10 -  Driver seat adjustment control unit -J810-
q   Fitting location → Chapter
11 -  Heated front seats control unit -J774-
q   Fitting location to May 2011 → Chapter
q   Fitting location from May 2011 → Chapter
12 -  Multifunction steering wheel control unit -J453-
q   Fitting location → Chapter
13 -  Steering column electronics control unit -J527-
q   Fitting location → Chapter
14 -  Electronic steering column lock control unit -J764-
q   Fitting location → Chapter
15 -  Parking​ aid​ control​ unit -J446- / park assist steering control unit -J791-
q   Fitting location → Chapter
16 -  Onboard supply control unit -J519-
q   Fitting location → Chapter
17 -  Dash panel insert -K- / dash panel insert control unit -J285- / anti-theft immobilizer control unit -J362-
q   Connector assignment → Chapter
18 -  Entry​ and​ start​ authorisation​ control​ unit​ -J518-
q   Fitting location → Chapter
19 -  Data bus diagnostic interface -J533-
q   Fitting location → Chapter
20 -  Sliding sunroof control unit -J245-
q   Fitting location → Chapter
21 -  Airbag​ control​ unit​ -J234-
q   Fitting location → Chapter
22 -  Radio -R- / Control​ unit​ with​ display​ for​ radio​ and​ navigation​ system​ -J503-
q   Fitting location: dash panel, centre
23 -  Climatronic control unit -J255- / air conditioning system control unit -J301-
q   Fitting location Climatronic control unit → Chapter
q   Fitting location air conditioning control unit → Chapter
24 -  Automatic anti-dazzle interior mirror -Y7-
q   Fitting location → Chapter
25 -  Voltage stabiliser -J532-
q   Fitting location for left-hand drive vehicles → Chapter
q   Fitting location for right-hand drive vehicles → Chapter

   
Headlight range control unit -J431-
1 -  Headlight range control unit -J431-
Fitting location:
q   Behind the glove compartment, near A-pillar, front passenger side
Connector:
q   -A-26-pin connector -T26-
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SEAT ALHAMBRA 2011 Fresh air blower control unit J126

Fresh air blower control unit -J126-
1 -  Fresh air blower control unit -J126-
Fitting location:
q   on heater and air conditioner unit, front passenger footwell
Connectors:
q   -A-2-pin connector -T2et-
q   -B-6-pin connector -T6ao-
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SEAT ALHAMBRA 2011 Mobile telephone operating electronics control unit J412

Mobile telephone operating electronics control unit -J412-
1 -  Mobile telephone operating electronics control unit -J412-
q   Without optional equipment MEDIA-IN multimedia socket
Fitting location:
q   under front passenger seat
Connector:
2 -  54-pin connector -T54-
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SEAT ALHAMBRA 2011 Mobile telephone operating electronics control unit J412

Mobile telephone operating electronics control unit -J412-
1 -  Mobile telephone operating electronics control unit -J412-
q   With optional equipment MEDIA-IN multimedia socket
Fitting location:
q   In centre console
Connector:
-A-54-pin connector -T54-
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SEAT ALHAMBRA 2011 Front passenger door control unit J387

Front passenger door control unit -J387-
1 -  Front passenger door control unit -J387-
Fitting location:
q   in front passenger door
Connectors:
q   -A-6-pin connector -T6a-
q   -B-20-pin connector -T20b-
q   -C-16-pin connector -T16d-
q   -D-32-pin connector -T32c-
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SEAT ALHAMBRA 2011 Multimedia system control unit J650

Multimedia system control unit -J650-
1 -  Multimedia system control unit -J650-
Fitting location:
q   near front armrest
Connector:
q   -A-12-pin connector -T12h-
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SEAT ALHAMBRA 2011 Control​ unit​ for​ electromechanical​ parking​ brake J540

Control​ unit​ for​ electromechanical​ parking​ brake -J540-
1 -  Control​ unit​ for​ electromechanical​ parking​ brake -J540-
Fitting location:
q   Under centre console, near front arm rest
Connector:
q   -A-30-pin connector -T30-
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SEAT ALHAMBRA 2011 Special vehicle control unit J608

Special vehicle control unit -J608-
1 -  Special vehicle control unit -J608-
Fitting location:
q   under driver seat
Connectors:
q   -A-12-pin connector -T12j-
q   -B-16-pin connector -T16o-
q   -C-12-pin connector -T12- , reserve
q   -D-20-pin connector -T20h-
q   -E-16-pin connector -T16p-
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SEAT ALHAMBRA 2011 Digital sound package amplifier R184

Digital sound package amplifier -R184-
1 -  Digital sound package amplifier -R184-
Fitting location:
q   under driver seat
Connector:
q   -A-38-pin connector -T38a-
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SEAT ALHAMBRA 2011 Driver door control unit J386

Driver door control unit -J386-
1 -  Driver door control unit -J386-
Fitting location:
q   in door
Connectors:
q   -A-6-pin connector -T6-
q   -B-20-pin connector -T20a-
q   -C-16-pin connector -T16c-
q   -D-32-pin connector -T32b-
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SEAT ALHAMBRA 2011 Driver seat adjustment control unit J810

Driver seat adjustment control unit -J810-
1 -  Driver seat adjustment control unit -J810-
Fitting location:
q   on base of driver seat
Connectors:
q   -A-12-pin connector -T12c-
q   -B-32-pin connector -T32a-
q   -C-16 pin connector -T16b-
q   -D-10-pin connector -T10-
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SEAT ALHAMBRA 2011 Heated front seats control unit J774

Heated front seats control unit -J774-
1 -  Heated front seats control unit -J774-
Fitting location up to May 2011
q   on base of driver seat
Connector:
q   -A-8-pin connector -T8-
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SEAT ALHAMBRA 2011 Heated front seats control unit J774

Heated front seats control unit -J774-
1 -  Heated front seats control unit -J774-
Fitting location from May 2011
q   in the centre console behind the air conditioning control panel
Connector:
q   -A-8-pin connector -T8-
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SEAT ALHAMBRA 2011 Multifunction steering wheel control unit J453

Multifunction steering wheel control unit -J453-
1 -  Multifunction steering wheel control unit -J453-
Fitting location:
q   in operating unit of the multifunction buttons on left of steering wheel -E440-
Connectors:
q   -A-6-pin connector -T6aw-
q   -B-12-pin connector -T12l-
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SEAT ALHAMBRA 2011

Steering column electronics control unit -J527-
1 -  Steering column electronics control unit -J527-
Fitting location:
q   Near steering column switch
Connectors:
q   -A-16-pin connector -T16h-
q   -B-4-pin connector -T4-
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SEAT ALHAMBRA 2011

Electronic steering column lock control unit -J764-
1 -  Electronic steering column lock control unit -J764-
Fitting location:
q   Behind steering column trim
Connector:
q   -A-16-pin connector -T16m-
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SEAT ALHAMBRA 2011

Parking​ aid​ control​ unit -J446- / park assist steering control unit -J791-
1 -  Parking​ aid​ control​ unit -J446- / park assist steering control unit -J791-
Fitting location:
q   near onboard supply control unit
Connectors:
q   -A-16-pin connector -T16a-
q   -B-12-pin connector -T12a-
q   -C-12-pin connector -T12b-
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SEAT ALHAMBRA 2011

Onboard supply control unit -J519-
1 -  Onboard supply control unit -J519-
Fitting location:
q   near fuse holder
Connectors:
q   -A-52-pin connector -T52a-
q   -B-52-pin connector -T52b-
q   -C-52-pin connector -T52c-
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SEAT ALHAMBRA 2011

Dash panel insert -K- / control unit in dash panel insert -J285- / immobiliser control unit -J362-
1 -  Dash panel insert -K- / control unit in dash panel insert -J285- / immobiliser control unit -J362-
Connector:
q   -A-32-pin connector -T32-
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SEAT ALHAMBRA 2011

Entry​ and​ start​ authorisation​ control​ unit​ -J518-
1 -  Entry​ and​ start​ authorisation​ control​ unit​ -J518-
Fitting location:
q   next to steering column, near centre console
Connector:
q   -A-32-pin connector -T32d-
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SEAT ALHAMBRA 2011

Data bus diagnostic interface -J533-
1 -  Data bus diagnostic interface -J533-
Fitting location:
q   next to steering column, near centre console
Connector:
q   -A-20-pin connector -T20-
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SEAT ALHAMBRA 2011

Sliding sunroof control unit -J245-
1 -  Sliding sunroof control unit -J245-
Connector:
q   -A-16-pin​ connector​ -T16l-
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SEAT ALHAMBRA 2011

Airbag​ control​ unit​ -J234-
1 -  Airbag​ control​ unit​ -J234-
Fitting location:
q   under centre console, front
Connector:
q   -A-100-pin connector -T100-
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SEAT ALHAMBRA 2011 Climatronic control unit J255

Climatronic control unit -J255-
1 -  Climatronic control unit -J255-
Fitting location:
q   In centre console
Connectors:
q   -A-20-pin connector -T20g-
q   -B-16-pin connector -T16j-
q   -C-16-pin connector -T16k-
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SEAT ALHAMBRA 2011 Air​ conditioning​ system​ control​ unit​ J301

Air​ conditioning​ system​ control​ unit​ -J301-
1 -  Air​ conditioning​ system​ control​ unit​ -J301-
Fitting location:
q   In centre console
Connectors:
q   -A-20-pin connector -T20f-
q   -B-16-pin connector -T16i-
q   -C-5-pin connector -T5-
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SEAT ALHAMBRA 2011 Automatic anti-dazzle interior mirror Y7

Automatic anti-dazzle interior mirror -Y7-
1 -  Automatic anti-dazzle interior mirror -Y7-
Connector:
q   -A-8-pin connector -T8e-
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SEAT ALHAMBRA 2011 Voltage stabiliser J532

Voltage stabiliser -J532-
1 -  Voltage stabiliser -J532-
Fitting location:
q   on heater and air conditioner unit, front passenger footwell
Connector:
q   -A-10-pin connector -T10k-
  Note
From May 2011, see chapter Fitting locations: Control units in engine compartment
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SEAT ALHAMBRA 2011 Voltage stabiliser J532

Voltage stabiliser -J532-
1 -  Voltage stabiliser -J532-
Fitting location:
q   behind centre console
Connector:
q   -A-10-pin connector -T10k-
  Note
From May 2011, see chapter Fitting locations: Control units in engine compartment
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