VW PHAETON 2013 – Radio system with CD changer and “Digital Sound Package” (12 channels), CD changer . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW PHAETON 2013 - Control unit for steering column electronics - control unit for multifunction steering wheel - multifunction buttons in steering wheel

E440	Multifunction buttons on left in steering wheel
E441	Multifunction buttons on right in steering wheel
F138	Airbag coil connector
J453	Multifunction steering wheel control unit, in steering wheel
J519	Onboard supply control unit
J527	Steering column electronics control unit
SB18	Fuse 18 on fuse holder B
SB64	Fuse 64 on fuse holder B
T8k	8-pin connector
T12l	12-pin connector
T12o	12-pin connector
T14d	14-pin connector
T14e	14-pin connector
T16f	16-pin connector
T17c	17-pin connector, on left under dash panel
372	Earth connection 7, in main wiring harness
B398	Connection 2 (convenience CAN bus, high), in main wiring harness
B402	Connection 6 (convenience CAN bus, high), in main wiring harness
B406	Connection 1 (convenience CAN bus, low), in main wiring harness
B410	Connection 5 (convenience CAN bus, low), in main wiring harness

Wiring Diagram VW PHAETON 2013 - Dash panel insert - data bus diagnosis interface - self-diagnosis connection - control unit for front display and information control panel

J285	Control unit with display in dash panel insert
J519	Onboard supply control unit
J523	Control unit for front display and information control panel
J533	Data bus diagnosis interface, in dash panel insert
T4k	4-pin connector
T16	16-pin connector, on left under dash panel, self-diagnosis connection
T17e	17-pin connector, blue, on left under dash panel
T17f	17-pin connector, green, behind left dash panel
T32a	32-pin connector, green
T32b	32-pin connector
B383	Connection 1 (powertrain CAN bus, high), in main wiring harness
B390	Connection 1 (powertrain CAN bus, low), in main wiring harness
B398	Connection 2 (convenience CAN bus, high), in main wiring harness
B400	Connection 4 (convenience CAN bus, high), in main wiring harness
B406	Connection 1 (convenience CAN bus, low), in main wiring harness
B408	Connection 3 (convenience CAN bus, low), in main wiring harness
B665	Connection 1 (CAN bus extended high), in dash panel wiring harness
B666	Connection 1 (CAN bus extended low), in dash panel wiring harness
*	From May 2006
**	To April 2006
***	From May 2007
-●-	To April 2007

Wiring Diagram VW PHAETON 2013 - Control unit for front display and information control panel - CD changer - aerial amplifier

J519	Onboard supply control unit
J523	Control unit for front display and information control panel
R11	Aerial
R24	Aerial amplifier
R41	CD changer
SB17	Fuse 17 on fuse holder B
T3f	3-pin connector
T4k	4-pin connector
T8h	8-pin connector
T12s	12-pin connector
T20c	20-pin connector
367	Earth connection 2, in main wiring harness
368	Earth connection 3, in main wiring harness
B315	Positive connection 1 (30a), in main wiring harness
B341	Connection 2 (58d), in main wiring harness
*	From May 2006
**	To April 2006

Wiring Diagram VW PHAETON 2013 - Control unit for front display and information control panel - digital sound package control unit

J519	Onboard supply control unit
J523	Control unit for front display and information control panel
J525	Control unit for digital sound package, on left in luggage compartment
T20c	20-pin connector
T24d	24-pin connector
T32b	32-pin connector
B416	Connection 2 (infotainment CAN bus, high), in main wiring harness
B418	Connection 4 (infotainment CAN bus, high), in main wiring harness
B422	Connection 2 (infotainment CAN bus, low), in main wiring harness
B424	Connection 4 (infotainment CAN bus, low), in main wiring harness

Wiring Diagram VW PHAETON 2013 - Control unit for digital sound package - front left loudspeaker

J519	Onboard supply control unit
J525	Control unit for digital sound package, on left in luggage compartment
R20	Front left treble loudspeaker
R21	Front left bass loudspeaker
R101	Front left mid-range and bass loudspeaker
R103	Front left mid-range loudspeaker
SB83	Fuse 83 on fuse holder B
T2au	2-pin connector, in driver door
T6r	6-pin connector, left A-pillar coupling station
T10ka	10-pin connector, left A-pillar coupling station
T23b	23-pin connector
T24d	24-pin connector
396	Earth connection 31, in main wiring harness
B323	Connection 9 (30a), in main wiring harness

Wiring Diagram VW PHAETON 2013 - Control unit for digital sound package - front right loudspeaker

J519	Onboard supply control unit
J525	Control unit for digital sound package, on left in luggage compartment
R22	Front right treble loudspeaker
R23	Front right bass loudspeaker
R102	Front right mid-range and bass loudspeaker
R104	Front right mid-range loudspeaker
T2av	2-pin connector, in front passenger door
T6s	6-pin connector, right A-pillar coupling station
T10kb	10-pin connector, right A-pillar coupling station
T23b	23-pin connector
T24d	24-pin connector

Wiring Diagram VW PHAETON 2013 - Control unit for digital sound package - rear loudspeakers

J519	Onboard supply control unit
J525	Control unit for digital sound package, on left in luggage compartment
R15	Rear left bass loudspeaker
R17	Rear right bass loudspeaker
R105	Rear left mid-range loudspeaker
R106	Rear right mid-range loudspeaker
T2aw	2-pin connector, in rear left door
T2ax	2-pin connector, in rear right door
T6t	6-pin connector, left B-pillar coupling station
T6u	6-pin connector, right B-pillar coupling station
T10au	10-pin connector, coupling station in rear left door
T10av	10-pin connector, coupling station in rear right door
T23b	23-pin connector
T24d	24-pin connector

VW PHAETON 2013 Engine control unit -J623-

Engine control unit -J623-

t	12-cylinder petrol engine

t	8-cylinder petrol engine

t	6-cylinder petrol engine

   

A -	Engine control unit -J623-

B -	T121a - 121-pin connector, pin 1-81

C -	T121a - 121-pin connector, pin 82-121

Engine control unit -J623- t  10-cylinder diesel engine t  6-cylinder diesel engine

A -	Engine control unit -J623-

B -	T94aa - 94-pin connector

C -	T60aa - 60-pin connector

Engine control unit 2 -J624- A -  Engine control unit 2 -J624- B -  T121b - 121-pin connector, pin 1-81 C -  T121b - 121-pin connector, pin 82-121 Fitting location     Fitting location of engine control unit: B -  Engine control unit -J623-, on right in plenum chamber A -  Engine control unit 2 -J624-, on right in plenum chamber Onboard supply control unit -J519-   Get access to all wiring diagrams of the car A -  26-pin connector B -  6-pin connector C -  6-pin connector D -  6-pin connector E -  6-pin connector F -  6-pin connector G -  4-pin connector H -  2-pin connector J -  18-pin connector K -  6-pin connector L -  6-pin connector M -  6-pin connector N -  6-pin connector P -  16-pin connector   Get access to all wiring diagrams of the car Fitting location of onboard supply control unit J519:  -  Front passenger side, under dash panel in footwell   Get access to all wiring diagrams of the car Adaptive suspension control unit -J197- Get access to all wiring diagrams of the car A -  Adaptive​ suspension​ control​ unit​ J197 B -  T121c - 121-pin connector, pin 1-81 C -  T121c - 121-pin connector, pin 82-121 Fitting location of adaptive suspension control unit -J197- :  -  On left in luggage compartment ⇒ -arrow-   Get access to all wiring diagrams of the car Tyre pressure monitor control unit -J502- Get access to all wiring diagrams of the car A -  Tyre pressure monitor control unit -J502- B -  T32f - 32-pin connector Fitting location of Tyre Pressure Monitoring System control unit -J502- :  -  On left in luggage compartment ⇒ -arrow-   Get access to all wiring diagrams of the car Battery monitor control unit -J367- A -  Battery monitor control unit -J367- B -  18-pin connector  -  2-pin connector   Get access to all wiring diagrams of the car Fitting location of battery monitor control unit -J367- :  -  On left in luggage compartment ⇒ -arrow-   Get access to all wiring diagrams of the car B -  14-pin connector -T14aa-   Get access to all wiring diagrams of the car Brake servo control unit -J539-  -  On right in plenum chamber ⇒ -arrow-   Get access to all wiring diagrams of the car Entry and start authorisation control unit -J518- Get access to all wiring diagrams of the car A -  Entry and start authorisation control unit -J518- B -  T6ak - 6-pin connector C -  T81k - 81-pin connector Fitting location of entry and start authorisation control unit -J518- :  -  In front left footwell ⇒ -arrow-   Get access to all wiring diagrams of the car   Get access to all wiring diagrams of the car 8 channel amplifier (DSP) -R12- A -  8 channel amplifier (DSP) -R12- B -  T23b - 23-pin connector C -  T24d - 24-pin connector   Get access to all wiring diagrams of the car Fitting location of 8-channel amplifier DSP -R12- :  -  On rear right in luggage compartment behind battery ⇒ -arrow-   Get access to all wiring diagrams of the car Driver seat control unit -J136-, front passenger seat control unit -J521- and rear seats control unit -J522- Get access to all wiring diagrams of the car A -  26-pin connector, T26sa (driver seat), T26sb (front passenger seat), T26sc (rear seat) B -  6-pin connector, T6sb (driver seat), T6sa (front passenger seat), T6st (rear seat) C -  6-pin connector, T6sc (driver seat), T6sg (front passenger seat), T6sz (rear seat) D -  6-pin connector, T6sd (driver seat), T6su (rear seat) E -  6-pin connector, T6se (driver seat), T6sh (front passenger seat), T6sv (rear seat) F -  6-pin connector, T6sf (driver seat), T6sj (front passenger seat), T6sy (rear seat) G -  4-pin connector, T4sg (driver seat), T4sh (front passenger seat), T4sj (rear seat) H -  2-pin connector, T2sh (driver seat), T2sj (front passenger seat), T2sk (rear seat) J -  18-pin connector, T18sj (driver seat), T18sk (front passenger seat), T18sl (rear seat) K -  6-pin connector, T6sk (driver seat), T6sp (front passenger seat), T6si (rear seat) L -  6-pin connector, T6si (driver seat), T6sq (front passenger seat), T6so (rear seat) M -  6-pin connector, T6sm (driver seat), T6sr (front passenger seat), T6sw (rear seat) N -  6-pin connector, T6sn (driver seat), T6ss (front passenger seat), T6sx (rear seat) P -  16-pin connector, T16sp (driver seat), T16sn (front passenger seat), T16sl (rear seat) Fitting location of driver seat control unit -J136- :  -  Under driver seat ⇒ -arrow-   Get access to all wiring diagrams of the car Fitting location of front passenger seat control unit -J521- :  -  Under front passenger seat ⇒ -arrow-   Get access to all wiring diagrams of the car Fitting location of rear seat control unit -J522- :  -  Under rear seat ⇒ -arrow-   Get access to all wiring diagrams of the car ABS with EDL control unit -J104- Get access to all wiring diagrams of the car A -  ABS with EDL control unit -J104- B -  T42 - 42-pin connector Fitting location of ABS/EDL control unit -J104- :  -  On left in engine compartment ⇒ -arrow-   Get access to all wiring diagrams of the car Automatic gearbox control unit J217 (01L, 01V) Get access to all wiring diagrams of the car A -  Automatic gearbox control unit -J217- B -  88-pin connector -T88a- Fitting location of automatic gearbox control unit -J217-  -  On right in plenum chamber ⇒ -arrow-   Get access to all wiring diagrams of the car   Get access to all wiring diagrams of the car Airbag control unit -J234- Get access to all wiring diagrams of the car A -  Airbag control unit -J234- B -  T81a - 84-pin connector Fitting location of airbag control unit -J234-:  -  Under centre console ⇒ -arrow-   Get access to all wiring diagrams of the car Control unit for front display and information control panel - J523- Get access to all wiring diagrams of the car 1 -  T32c - 32-pin connector 2 -  T4k - 4-pin connector 3 -  T2o - 2-pin connector 4 -  8-pin connector 5 -  8-pin connector 6 -  T8h - 8-pin connector 7 -  Aerial connection 8 -  Aerial connection Fitting location:  -  in centre of dash panel Navigation system tuner for TV -J415- Fitting location of navigation system tuner for TV -J415-: 2 -  Navigation system tuner for TV -J415-, under rear shelf   Get access to all wiring diagrams of the car  -  T54 - 54-pin connector Multimedia system display unit 1 control unit -J744- and multimedia system display unit 2 control unit -J747- Connections at front: 1 -  Cinch connector, red, right audio signal ''Aux Input 1'' 2 -  Cinch connector, white, left audio signal ''Aux Input 1'' 3 -  Cinch connector, yellow, left video signal ''Aux Input 1'' 4 -  Cinch connector, red, right audio signal ''Aux Input 2'' 5 -  Cinch connector, white, left audio signal ''Aux Input 2'' 6 -  Cinch connector, yellow, left video signal ''Aux Input 2'' 7 -  Headphone output, black ''Phone Output''   Note The arrangement of the sockets on J744 and J747 is identical.   Get access to all wiring diagrams of the car Connections at rear: 1 -  8-pin connector, black, voltage supply ''Power Supply'' 2 -  20-pin connector, black, connection for display unit 1 J744, ''Display Output'' 3 -  Vacant 4 -  20-pin connector, black, connection for TV signal input, ''TV Tuner Input'' From November 2011 Fitting location: in luggage compartment, rear right, in storage compartment   Get access to all wiring diagrams of the car Connections at rear: t  J744 - Multimedia system display unit 1 control unit 1 -  T8ac - 8-pin connector, white Multimedia system control unit -J650- Connectors: 1 -  16-pin connector, brown, connection for additional connection unit in rear ''Aux 2 In'' 2 -  10-pin connector, black, connection for TV tuner ''RGB In'' From November 2011   Get access to all wiring diagrams of the car Fitting location: in luggage compartment, rear right, in storage compartment t  Multimedia system control unit J650   Get access to all wiring diagrams of the car VW PHAETON 2013 Fuses, from May 2002 Multimedia display unit 1 -Y22- and multimedia system display unit 2 -Y23-Rear DVD changer -R162- Connectors: 1 -  4-pin connector, black, voltage supply ''Power'' 2 -  Vacant 3 -  Vacant 4 -  Cinch connector, white, left audio signal ''Audio Out'' 5 -  Cinch connector, red, right audio signal ''Audio Out'' 6 -  Cinch connector, yellow, video signal ''Video Out'' 7 -  5-pin connector, black, voltage supply From November 2011   Get access to all wiring diagrams of the car Fitting location: in luggage compartment, rear right, in storage compartment Rear DVD changer -R162-   Note The figure shows the transportation device -1-.   Get access to all wiring diagrams of the car Suppression filter -C10- , battery monitor control unit 2 -J934- and connectors Get access to all wiring diagrams of the car 1 -  Multimedia system control unit -J650- 2 -  2-pin connector -T2xn- , black, for DVD flap lighting in luggage compartment 3 -  6-pin connector -T6bm- , black, voltage supply from vehicle 4 -  Multimedia system display unit 1 control unit -J744- 5 -  2-pin connector -T2xk- , -T2xj- and -T2xl- from rear DVD changer -R162- t  2-pin connector -T2xk- , red, right audio channel t  2-pin connector -T2xj- , white, left audio channel t  2-pin connector -T2xl- , yellow, video channel 6 -  Suppression filter -C10- for electromagnetic compatibility 7 -  Upper and lower holder for DVD changer 8 -  Rear DVD changer -R162- 9 -  Battery monitor control unit 2 -J934- 10 -  2-pin connector -T2xm- , black, voltage supply for multimedia system control unit -J650- 11 -  Connectors for audio and video signals on multimedia system display unit 1 control unit -J744- Control units under rear shelf Get access to all wiring diagrams of the car A -  Telephone and telematics control unit J526 B -  Rear lid control unit J605 C -  Convenience system central control unit -J393- D -  TV tuner -R78-, Navigation system tuner for TV -J415- E -  Parking aid control unit -J446- F -  Luggage compartment aerial for access and start authorisation -R137- G -  Aerial amplifier R24 H -  Vehicle inclination sender -G384-, for anti-theft alarm (tow-away protection) Touchpad control unit -J929- 1 -  Touchpad control unit -J929- A -  54-pin connector -T54-   Note t  Depending on the equipment level, the touchpad control unit t  -J929- can be installed on the left or right inside the glove compartment.   Get access to all wiring diagrams of the car VW PHAETON 2013 Fuse assignment in pre-fuse box, on left in luggage compartment t  Fuses SB ... on fuse holder B, on left under dash panel, from May 2002 t  Fuses SC ... on fuse holder C in E-box, on left in luggage compartment, from May 2002 t  Fuses SD ... on fuse holder D, on right in plenum chamber, from May 2002 t  Fuses SE ... on fuse holder E, thermal fuse box, in front right footwell, from May 2002 t  Fuses S249, S255, S332, S333, S334 in additional fuse carrier, on left in luggage compartment, from May 2002     No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - S204 - Fuse 1 (30) 100 A - A18 - Windscreen heater voltage transformer 30 2 - S205 - Fuse 2 (30) 150 A - TV28 - Wiring junction 3 for terminal 30 Fuses: SB5 to SB18, SB27 to SB36, SD6, SD11, SD16 to SD20, SD23, SD24, SD26 Thermal fuses: SE1 to SE7 J329 - Terminal 15 voltage supply relay J670 - Motronic voltage supply relay 2 J680 - Terminal 75 voltage supply relay 1 30 3 - S206 - Fuse 3 (30) 300 A - Fuses SC3, SC5, SC6, SC8 to SC16, SC23 to SC27, SC41 to SC46 C - Alternator TV22 - Wiring junction 2 for terminal 30 C24 - Suppression filter Fuses: SD27 to SD31 30 4 - S207 - Fuse 4 (30)   - Not assigned   No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - SB1 - Fuse 1 on fuse holder B 10 A - J582 - Wiper park position heater relay, terminal 30 Z20 - Left washer jet heater element Z21 - Right washer jet heater element 75 2 - SB2 - Fuse 2 on fuse holder B *) From May 2003 20 A 15 A* - J386 - Driver door control unit J657 - Power latching control unit (driver side) J388 - Rear left door control unit J657 - Power latching control unit (rear left) V278 - Door power latching motor 30a 3 - SB3 - Fuse 3 on fuse holder B *) From May 2003 20 A 15 A* - J387 - Front passenger door control unit J761 - Power latching control unit (front passenger side) J389 - Rear right door control unit J763 - Power latching control unit (rear right) V278 - Door power latching motor 30a 4 - SB4 - Fuse 4 on fuse holder B 20 A - Fuses SC18, SC19, SC20, SC22 15a 5   SB5 - Fuse 5 on fuse holder B 5 A - J528 - Roof electronics control unit 30a 6 - Not assigned         7 - SB7 - Fuse 7 on fuse holder B 15 A - J529 - Brake servo relay V192 - Vacuum pump for brakes 30a 87a 8 - SB8 - Fuse 8 on fuse holder B 25 A - J104 - ABS with EDL control unit J106 - ABS solenoid valve relay 30a 9 - SB9 - Fuse 9 on fuse holder B 5 A - J415 - Tuner for navigation system R78 - TV tuner 30a 10 - SB10 - Fuse 10 on fuse holder B 15 A - J519 - Onboard supply control unit M5 - Front left turn signal bulb M1 - Left side light bulb 30a 11 - SB11 - Fuse 11 on fuse holder B 15 A - J519 - Onboard supply control unit M7 - Front right turn signal bulb M3 - Right side light bulb 30a 12 - SB12 - Fuse 12 on fuse holder B 15 A - J519 - Onboard supply control unit J567 - Left headlight range control unit J683 - Left main beam gas discharge light control unit M29 - Left headlight dipped beam bulb M30 - Left headlight main beam bulb 30a 13 - SB13 - Fuse 13 on fuse holder B 15 A - J519 - Onboard supply control unit J568 - Right headlight range control unit J684 - Right main beam gas discharge light control unit M31 - Right headlight dipped beam bulb M32 - Right headlight main beam bulb V49 - Right headlight range control motor 30a 14   SB14 - Fuse 14 on fuse holder B 20 A - J519 - Onboard supply control unit H1 - Dual-tone horn 30a 15   SB15 - Fuse 15 on fuse holder B 5 A - F - Brake light switch J393 - Convenience system central control unit J623 - Engine control unit J345 - Trailer detector control unit J104 - Control unit for ABS with EDL 30a 16   SB16 - Fuse 16 on fuse holder B 20 A - J162 - Heater control unit 30a 17 - SB17 - Fuse 17 on fuse holder B 10 A - J523 - Control unit for front display and information control panel R24 - Aerial amplifier 30a 18 - SB18 - Fuse 18 on fuse holder B 10 A - J527 - Steering column electronics control unit 30a 19 - SB19 - Fuse 19 on fuse holder B 10 A - J518 - Entry and start authorisation control unit 30a 20 - SB20 - Fuse 20 on fuse holder B 15 A - J217 - 5-speed automatic gearbox control unit (from 05.2003) 30a       5 A - Self-diagnosis connection (T16a/16), on left in luggage compartment (to 04.2003) 30a       10 A - J217 - 6-speed automatic gearbox control unit (from 05.2003) 30a 21 - Not assigned         22 - SB22 - Fuse 22 on fuse holder B 5 A - J623 - Engine control unit J624 - Engine control unit 2 30a 23 - SB23 - Fuse 23 on fuse holder B 5 A - J285 - Display control unit in dash panel insert 30a 24   Not assigned - - - - 25   Not assigned - - - - 26   Not assigned - - - - 27 - SB27 - Fuse 27 on fuse holder B 5 A - J285 - Control unit with display in dash panel insert Self-diagnosis connection (T16/16) J669 - Belt tensioner relay 30a 28 - SB28 - Fuse 28 on fuse holder B 5 A - J412 - Mobile telephone operating electronics control unit J526 - Telephone and telematics control unit 30a 29 - SB29 - Fuse 29 on fuse holder B 5 A - R149 - Remote control receiver for auxiliary coolant heater 30a 30 - SB30 - Fuse 30 on fuse holder B 10 A - J255 - Climatronic control unit V50 - Coolant circulation pump N175 - Left heat regulation valve N176 - Right heat regulation valve 30a 31 - SB31 - Fuse 31 on fuse holder B 5 A - Y - Analogue clock J524 - Control unit for rear display and information control panel 30a 32   Not assigned - - -   33 - SB33 - Fuse 33 on fuse holder B 5 A - J401 - Navigation system with CD drive control unit 30a 34   SB34 - Fuse 34 on fuse holder B 5 A - H12 - Alarm horn 30a 35   SB35 - Fuse 35 on fuse holder B 5 A - J519 - Onboard supply control unit 30a 36   SB36 - Fuse 36 on fuse holder B 10 A - J519 - Onboard supply control unit 30a 37   Not assigned - - - - 38   Not assigned - - - - 39   Not assigned - - - - 40 - SB40 - Fuse 40 on fuse holder B 5 A - J519 - Onboard supply control unit 75a 41 - SB41 - Fuse 41 on fuse holder B 5 A - J518 - Entry and start authorisation control unit 30a 42 - Not assigned   -   - 43 - Not assigned - - - - 44 - Not assigned - - - - 45 - Not assigned - - - - 46 - Not assigned - - - - 47 - SB47 - Fuse 47 on fuse holder B 5 A - G459 - Toll collection sender (from May 2005) 30a 48   Not assigned - - - - 49   Not assigned - - - - 50   Not assigned - - - - 51   Not assigned - - - - 52 - SB52 - Fuse 52 on fuse holder B 5 A - J669 - Seat belt tensioner relay 15a 53   SB53 - Fuse 53 on fuse holder B 5 A - F - Brake light switch (from May 2008) F36 - Clutch pedal switch F47 - Brake pedal switch for CCS G42 - Intake air temperature sender G70 - Air mass meter G246 - Air mass meter 2 G299 - Intake air temperature sender 2 J569 - Brake servo relay J623 - Engine control unit         10 A - G70 - Air mass meter (AJS) G246 - Air mass meter 2 (AJS) 15a 54 - SB54 - Fuse 54 on fuse holder B 5 A - J285 - Control unit in dash panel insert 15a 55 - SB55 - Fuse 55 on fuse holder B 10 A - J220 - Motronic control unit J234 - Airbag control unit J623 - Engine control unit J624 - Engine control unit 2 K145 - Front passenger airbag deactivated warning lamp 15a 56 - SB56 - Fuse 56 on fuse holder B 5 A - G226 - Oil level and oil temperature sender 15a 57 - SB57 - Fuse 57 on fuse holder B, to 04.2003: 5 A - Self-diagnosis connection (T16a/1), on left in luggage compartment 15a     SB57 - Fuse 57 on fuse holder B, from 11.2003: 10 A   E256 - Button for TCS/ESP F125 - Multifunction switch F189 - Tiptronic switch F319 - Selector lever locked in position P switch J217 - Automatic gearbox control unit 15 a 58 - SB58 - Fuse 58 on fuse holder B 15 A - L22 - Left fog light bulb L23 - Right fog light bulb 15a 59 - SB59 - Fuse 59 on fuse holder B 10 A - N79 - Crankcase breather heater element 15a 60 - SB60 - Fuse 60 on fuse holder B *) From 05.2003 15 A 5 A* - E301 - Front left vent button E302 - Front left centre vent button E303 - Front right centre vent button E304 - Front right vent button E305 - Button for temperature difference in footwell/head area E306 - Rear left vent button in centre console E307 - Rear right vent button in centre console 15a 61 - SB61 - Fuse 61 on fuse holder B 5 A - J104 - ABS with EDL control unit 15a 62 - Not assigned - - - - 63 - SB63 - Fuse 63 on fuse holder 5 A - E1 - Light switch G258 - Left sender for distance control G259 - Right sender for distance control J428 - Adaptive cruise control unit J519 - Onboard supply control unit J526 - Telephone and telematics control unit J539 - Brake servo control unit J567 - Control unit for left headlight range control J568 - Control unit for right headlight range control 15a 64 - SB64 - Fuse 64 on fuse holder B 5 A - J527 - Steering column electronics control unit 15a 65 - SB65 - Fuse 65 on fuse holder B 10 A - J160 - Circulation pump relay 15a         - V51 - Continued coolant circulation pump 87a 66 - SB66 - Fuse 66 on fuse holder B 5 A - E149 - Switch for rear roller blind J255 - Climatronic control unit N280 - Air conditioner compressor regulating valve 15a 67 - SB67 - Fuse 67 on fuse holder B 5 A - J431 - Control unit for headlight range control 15a 68 - SB68 - Fuse 68 on fuse holder B 5 A - N110 - Selector lever lock solenoid 15a 69 - SB69 - Fuse 69 on fuse holder B 5 A - J769 - Lane change assist control unit J770 - Lane change assist control unit 2 15a 70 - SB70 - Fuse 70 on fuse holder B 5 A - J236 - Servotronic control unit 15a 71 - SB71 - Fuse 71 on fuse holder B To 04.2003: 10A From 05.2003: 5 A *) Only seat adjustment with no memory 5 A 10 A - E399 - Seat heating and ventilation regulator * E400 - Surround lighting regulator * E413 - Rear left seat heater and ventilation regulator * E414 - Rear right seat heater and ventilation regulator * J131 - Control unit for heated driver seat * J132 - Control unit for heated front passenger seat * J215 - Control unit for heated rear left seat * J216 - Control unit for heated rear right seat * 15a 72 - SB72 - Fuse 72 on fuse holder B 5 A - G238 - Air quality sensor 15a 73   Not assigned - - - - 74   Not assigned - - - - 75   Not assigned - - - - 76   Not assigned - - - - 77   Not assigned - - - - 78 - SB78 - Fuse 78 on fuse holder B 5 A - F47 - Brake pedal switch for CCS J220 - Motronic control unit J623 - Engine control unit 87a 79 - SB79 - Fuse 79 on fuse holder B 15 A - U18 - 12 V socket 2, front of centre console 30a 80 - SB80 - Fuse 80 on fuse holder B 15 A - U19 - 12 V socket 3, rear 30a 81 - SB81 - Fuse 81 on fuse holder B 30 A - J245 - Sliding sunroof adjustment control unit 30a 82 - Not assigned - - - - 83 - SB83 - Fuse 83 on fuse holder B 20 A - R12 - Amplifier 30a 84 - SB84 - Fuse 84 on fuse holder B 15 A - U1 - Cigarette lighter 30a 85 - SB85 - Fuse 85 on fuse holder B 15 A - U3 - Rear left cigarette lighter 30a 86 - SB86 - Fuse 86 on fuse holder B 15 A - U7 - Rear right cigarette lighter 30a 87 - SB87 - Fuse 87 on fuse holder B 15 A - J131 - Heated driver seat control unit (only seat adjustment with no memory) 30a       30 A - J136 - Seat adjustment with memory control unit (driver side) 30a 88 - SB88 - Fuse 88 on fuse holder B 15 A - J132 - Heated front passenger seat control unit (only seat adjustment with no memory) 30a       30 A - J521 - Front passenger seat adjustment with memory control unit - 89 - SB89 - Fuse 89 on fuse holder B 15 A - J215 - Heated rear left seat control unit (only seat adjustment with no memory) J216 - Heated rear right seat control unit (only seat adjustment with no memory) 30a       30 A - J522 - Rear seat adjustment with memory control unit 30a No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - SC1 - Fuse 1 on fuse holder C 60 A - J682 - Terminal 30 voltage supply relay B - Starter 30 2 - SC2 - Fuse 2 on fuse holder C 80 A - J367 - Battery monitor control unit J579 - Onboard supply battery switch-over relay J580 - Vehicle starter battery switch-over relay 30 3 - SC3 - Fuse 3 on fuse holder C 80 A - J367 - Battery monitor control unit J579 - Onboard supply battery switch-over relay 30a 4   Not assigned - - -   5   SC5 - Fuse 5 on fuse holder C 30 A - S249 - Fuse for fax unit S255 - Fuse for refrigerator compressor S332 - Fuse for folding table S333 - Fuse for DVD S334 - Fuse for relay for refrigerator, folding table and fax unit 30a 6 - SC6 - Fuse 6 on fuse holder C 40 A - J403 - Adaptive suspension compressor relay V66 - Adaptive suspension compressor motor 30a 7   Not assigned - - - - 8 - SC8 - Fuse 8 on fuse holder C 80 A - Fuses: SB2, SB3, SB37, SB39, SB41, SB47, SB81, SB83, SB87, SB88, SB89 30a 9 - SC9 - Fuse 9 on fuse holder C 30 A - T13 - 13-pin connector (electric socket for trailer coupling U10) 30a 10 - SC10 - Fuse 10 on fuse holder C 5 A - J367 - Battery monitor control unit 30a 11 - SC11 - Fuse 11 on fuse holder C 5 A - J502 - Tyre pressure monitor control unit 30a 12 - SC12 - Fuse 12 on fuse holder C 5 A - J446 - Parking aid control unit 30a 13 - SC13 - Fuse 13 on fuse holder C 30 A - J345 - Trailer detector control unit 30a 14   SC14 - Fuse 14 on fuse holder C 5 A - J677 - Fuel tank flap release relay V155 - Tank filler flap locking motor 30a 15   SC15 - Fuse 15 on fuse holder C 25 A - J678 - Heated rear window relay, heater circuit 1 Z1 - Heated rear window Z3 - Heated rear window, stage 2 30a 16   SC16 - Fuse 16 on fuse holder C 25 A - J679 - Heated rear window relay, heater circuit 2 Z3 - Heated rear window, stage 2 30a 17 - Not assigned - - - - 18 - SC18 - Fuse 18 on fuse holder C * ) From 11.2003 5 A - J393 - Convenience system central control unit J690 - Left tail light control unit J691 - Right tail light control unit J755 - Transport mode relay * 15a 19 - SC19 - Fuse 19 on fuse holder C 5 A - J197 - Adaptive suspension control unit 15a 20 - SC20 - Fuse 20 on fuse holder C 5 A - J345 - Trailer detector control unit 15a 21 - Not assigned - - - - 22 - SC22 - Fuse 22 on fuse holder C 5 A - J735 - Fax unit and refrigerator relay 15a 23 - SC23 - Fuse 23 on fuse holder C 5 A . W3 - Luggage compartment lights E406 - Button to close rear lid in luggage compartment 30a 24 - SC24 - Fuse 24 on fuse holder C 10 A - J393 - Convenience system central control unit 30a 25   SC25 - Fuse 25 on fuse holder C 5 A - J262 - Rear roller blind control unit V91 - Rear roller blind motor 30a 26 - SC26 - Fuse 26 on fuse holder C 10 A - J393 - Convenience system central control unit 30a 27 - SC27 - Fuse 27 on fuse holder C 15 A - U5 - 12 V socket, on left in luggage compartment 30a 28 - Not assigned - - - - 29 - Not assigned - - - - 30 - Not assigned - - - - 31 - Not assigned - - - - 32   SC32 - Fuse 32 on fuse holder C 5 A - J581 - Battery parallel circuit relay 30a 33 - SC33 - Fuse 33 on fuse holder C 5 A - J17 - Fuel pump relay (only petrol engines) J49 - Electric fuel pump 2 relay J271 - Motronic current supply relay (only petrol engines) J623 - Engine control unit J670 - Motronic current supply relay 2 30a 34 - SC34 - Fuse 34 on fuse holder C *) To 10.2003, from 11.2003 on SC46 20 A - J49 - Electric fuel pump 2 relay (only petrol engines) V277 - Fuel pump 2 (only petrol engines) 30a 87a 35 - SC35 - Fuse 35 on fuse holder C 20 A - J17 - Fuel pump relay (only petrol engines) V276 - Fuel pump 1 (only petrol engines) 30a 36 - SC36 - Fuse 36 on fuse holder C 20 A - J681 - Terminal 15 voltage supply relay 2 Fuses: SB52, SB53, SB54, SB55, SB56, SB57 30a 37 - Not assigned - - - - 38 - Not assigned - - - - 39 - Not assigned - - - - 40 - Not assigned - - - - 41 - SC41 - Fuse 41 on fuse holder C 5 A - G384 - Vehicle inclination sender 30a 42 - SC42 - Fuse 42 on fuse holder C *) From 05.2003 5 A* 15 A - J393 - Convenience system central control unit 30a 43 - SC43 - Fuse 43 on fuse holder C 30 A - J605 - Rear lid control unit 30a 44 - SC44 - Fuse 44 on fuse holder C 10 A - J197 - Adaptive suspension control unit 30a 45 - SC45 - Fuse 45 on fuse holder C * ) From 11.2003 5 A - J697 - Number plate light control unit J755 - Transport mode relay * L153 - Rear illumination bulb 30a 46 - SC46 - Fuse 46 on fuse holder C *) From 11.2003, to 10.2003 on SC34 20 A - J49 - Electric fuel pump 2 relay (only petrol engines) V277 - Fuel pump 2 (only petrol engines) 30a No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - SD1 - Fuse 1 on fuse holder D 10 A - N30 - Injector, cylinder 1 (AYT, BKL, BRK, BAN, BRN) N31 - Injector, cylinder 2 (AYT, BKL, BRK, BAN, BRN) N32 - Injector, cylinder 3 (AYT, BKL, BRK, BAN, BRN) N33 - Injector, cylinder 4 (BAN, BRN) N83 - Injector, cylinder 5 (BAN, BRN) N84 - Injector, cylinder 6 (BAN, BRN) 87a       15 A - F265 - Thermostat for map controlled engine cooling (AJS) J17 - Fuel pump relay (AJS) J151 - Continued coolant circulation relay (AJS) J724 - Turbocharger 1 control unit (AJS) J725 - Turbocharger 2 control unit (AJS) N18 - Exhaust gas recirculation valve (AJS) N145 - Right solenoid valve for electrohydraulic engine mounting (AJS) N213 - Exhaust gas recirculation valve 2 (AJS) N335 - Variable intake manifold changeover valve (AJS) N381 - Exhaust gas recirculation cooler changeover valve 2 (AJS) V157 - Intake manifold flap motor (AJS) V280 - Turbocharger 1 control motor (AJS) V281 - Turbocharger 2 control motor (AJS) 87a       25 A - J17 - Fuel pump relay (BMK) J160 - Circulation pump relay (BMK) J338 - Throttle valve module (BMK) J179 - Automatic glow period control unit (BMK) J724 - Turbocharger 1 control unit (BMK) N18 - Exhaust gas recirculation valve (BMK) N144 - Left solenoid valve for electrohydraulic engine mounting (BMK) N145 - Right solenoid valve for electrohydraulic engine mounting (BMK) V157 - Intake manifold flap motor (BMK) V275 - Intake manifold flap 2 motor (BMK) 87a 2 - SD2 - Fuse 2 on fuse holder D 10 A - N33 - Injector, cylinder 4 (AYT, BKL, BRK) N83 - Injector, cylinder 5 (AYT, BKL, BRK) N84 - Injector, cylinder 6 (AYT, BKL, BRK) N85 - Injector, cylinder 7 (BAN, BRN) N86 - Injector, cylinder 8 (BAN, BRN) N299 - Injector, cylinder 9 (BAN, BRN) N300 - Injector, cylinder 10 (BAN, BRN) N301 - Injector, cylinder 11 (BAN, BRN) N302 - Injector, cylinder 12 (BAN, BRN) 87a 3 - SD3 - Fuse 3 on fuse holder D 30 A - J317 - Terminal 30 voltage supply relay J623 - Engine control unit (AJS) 30a 87a 4 - SD4 - Fuse 4 on fuse holder D 30 A - J689 - Terminal 30 voltage supply relay 2 (AJS) J624 - Engine control unit 2 (AJS) 30a 87a 5 - SD5 - Fuse 5 on fuse holder D 30 A - J17 - Fuel pump relay (AJS, BMK) J749 - Fuel pump relay for auxiliary heater (AJS BMK) 30a       30 A - V276 - Fuel pump 1 (AJS, BMK) V277 - Fuel pump 2 (AJS, BMK) 87a 6 - SD6 - Fuse 6 on fuse holder D 10 A - J49 - Electric fuel pump 2 relay (BAN, BRN) J151 - Continued coolant circulation relay (AJS, BGH, BGJ) J160 - Circulation pump relay (BMK) J299 - Secondary air pump relay (AYT, BKL, BRK, BAN, BRN, BGH, BGJ) J496 - Additional coolant pump relay (AYT, BKL, BRK, BAN, BRN) J545 - Secondary air pump relay 2 (BAN, BRN) 30a         - V50 - Coolant circulation pump (AYT, BKL, BRK) V51 - Continued coolant circulation pump (AJS, BGH, BGJ, BAN, BRN) V55 - Circulation pump (BMK) 87a 7 - SD7 - Fuse 7 on fuse holder D 10 A - N80 - Activated charcoal filter solenoid valve 1 (AYT, BKL, BRK) N112 - Secondary air inlet valve (AYT, BKL, BRK) N144 - Left solenoid valve for electrohydraulic engine mounting (AYT, BKL, BRK) N156 - Variable intake manifold changeover valve (AYT, BKL, BRK) N205 - Inlet camshaft control valve 1 (AYT, BKL, BRK) N318 - Exhaust camshaft control valve 1 (AYT, BKL, BRK) 30a       15 A - N80 - Activated charcoal filter solenoid valve 1 (BGH, BGJ) N112 - Secondary air inlet valve (BGH, BGJ) N156 - Variable intake manifold changeover valve (BGH, BGJ) N205 - Inlet camshaft control valve 1 (BGH, BGJ) N208 - Inlet camshaft control valve 2 (BGH, BGJ) N261 - Variable intake manifold changeover valve 2 (BGH, BGJ) 87a       20 A - F265 - Thermostat for map - controlled engine cooling (BAN, BRN) N80 - Activated charcoal filter solenoid valve 1 (BAN) N112 - Secondary air inlet valve (BAN) N145 - Right solenoid valve for electrohydraulic engine mounting (BAN, BRN) N205 - Valve 1 for camshaft adjustment (BAN, BRN) N208 - Valve 2 for camshaft adjustment (BAN, BRN) N318 - Valve 1 for exhaust camshaft adjustment (BAN, BRN) N319 - Valve 2 for exhaust camshaft adjustment (BAN, BRN) N320 - Secondary air inlet valve 2 (BAN) N333 - Activated charcoal filter system solenoid valve 2 (BAN, BRN) 87a 8 - SD8 - Fuse 8 on fuse holder D 30 A - N70 - Ignition coil 1 with power output stage (BGH, BGJ) N127 - Ignition coil 2 with power output stage (BGH, BGJ) N291 - Ignition coil 3 with power output stage (BGH, BGJ) N292 - Ignition coil 4 with power output stage (BGH, BGJ) N323 - Ignition coil 5 with power output stage (BGH, BGJ) N324 - Ignition coil 6 with power output stage (BGH, BGJ) N325 - Ignition coil 7 with power output stage (BGH, BGJ) N326 - Ignition coil 8 with power output stage (BGH, BGJ) 87a 9 - SD9 - Fuse 9 on fuse holder D 20 A - N30 - Injector, cylinder 1 (BGH, BGJ) N31 - Injector, cylinder 2 (BGH, BGJ) N32 - Injector, cylinder 3 (BGH, BGJ) N33 - Injector, cylinder 4 (BGH, BGJ) N83 - Injector, cylinder 5 (BGH, BGJ) N84 - Injector, cylinder 6 (BGH, BGJ) N85 - Injector, cylinder 7 (BGH, BGJ) N86 - Injector, cylinder 8 (BGH, BGJ) 87a 10 - SD10 - Fuse 10 on fuse holder D 10 A - J623 - Engine control unit J624 - Engine control unit 2 30a 11 - SD11 - Fuse 11 on fuse holder D 15 A - J39 - Headlight washer system relay 30a         - V11 - Headlight washer system pump 87a 12 - SD12 - Fuse 12 on fuse holder D 10 A - J671 - Radiator fan control unit 2 J293 - Radiator fan control unit V7 - Radiator fan V177 - Radiator fan 2 30a 13 - SD13 - Fuse 13 on fuse holder D 10 A - Z19 - Lambda probe heater (BMK) 87a       15 A - Z19 - Lambda probe heater (BRN) Z28 - Lambda probe 2 heater (BRN) Z29 - Lambda probe 1 heater after catalytic converter (BRN) Z30 - Lambda probe 2 heater after catalytic converter (BRN) 87a       25 A - Z19 - Lambda probe heater (AYT, BAN, BKL, BRK) Z28 - Lambda probe 2 heater (AJS, BAN, AYT, BKL, BRK) Z29 - Lambda probe 1 heater after catalytic converter (AYT, BAN, BKL, BRK) Z30 - Lambda probe 2 heater after catalytic converter (AYT, BAN, BKL, BRK) 87a 14 - SD14 - Fuse 14 on fuse holder D 15 A - N276 - Fuel pressure regulating valve (BMK) N290 - Fuel metering valve (BMK) Z62 - Lambda probe heater 3 (BRN) Z63 - Lambda probe heater 4 (BRN) Z64 - Lambda probe heater 3 after catalytic converter (BRN) Z65 - Lambda probe heater 4 after catalytic converter (BRN) 87a       25 A - Z19 - Lambda probe heater (BGH, BGJ) Z28 - Lambda probe 2 heater (BGH, BGJ) Z29 - Lambda probe 1 heater after catalytic converter (BGH, BGJ) Z30 - Lambda probe 2 heater after catalytic converter (BGH, BGJ) Z62 - Lambda probe 3 heater (BAN) Z63 - Lambda probe 4 heater (BAN) Z64 - Lambda probe 3 heater after catalytic converter (BAN) Z65 - Lambda probe 4 heater after catalytic converter (BAN) 87a 15 - SD15 - Fuse 15 on fuse holder D* *) To 10.2003 15 A - J217 - Control unit for automatic Gearbox (5-speed automatic gearbox) 30a       10 A - J217 - Control unit for automatic Gearbox (6-speed automatic gearbox) 30a 16 - SD16 - Fuse 16 on fuse holder D 10 A - J539 - Brake servo control unit 30a 17 - SD17 - Fuse 17 on fuse holder D 5 A - J309 - Solar cell isolation relay 30a 18 - SD18 - Fuse 18 on fuse holder D 15 A - J519 - Onboard supply control unit 30a 19 - SD19 - Fuse 19 on fuse holder D 20 A - J400 - Wiper motor control unit V216 - Driver side windscreen wiper motor V59 - Windscreen and rear window washer pump 30a 20 - SD20 - Fuse 20 on fuse holder D 20 A - J584 - Front passenger side wiper motor control unit V217 - Front passenger side windscreen wiper motor 30a 21 - SD21 - Fuse 21 on fuse holder D 60 A - Only models with 1 battery A: - Fuses: SB19, SB20, SB22, SB23 J271 - Motronic current supply relay J317 - Terminal 30 voltage supply relay 30a 22 - SD22 - Fuse 22 on fuse holder D 40 A - N70 - Ignition coil 1 with power output stage (AYT, BKL, BRK, BAN, BRN) N127 - Ignition coil 2 with power output stage (AYT, BKL, BRK, BAN, BRN) N291 - Ignition coil 3 with power output stage (AYT, BKL, BRK, BAN, BRN) N292 - Ignition coil 4 with power output stage (BAN, BRN) N323 - Ignition coil 5 with power output stage (BAN, BRN) N324 - Ignition coil 6 with power output stage (BAN, BRN) - Fuse: SD1 (AYT, BKL, BRK, BAN, BRN) 87a 23 - SD23 - Fuse 23 on fuse holder D 40 A - J680 - Terminal 75 voltage supply relay 1 30a         - Fuses: SB1, SB40 75 24 - SD24 - Fuse 24 on fuse holder D 40 A - J104 - ABS with EDL control unit 30a 25 - SD25 - Fuse 25 on fuse holder D 40 A - N292 - Ignition coil 4 with power output stage (AYT, BKL, BRK) N323 - Ignition coil 5 with power output stage (AYT, BKL, BRK) N324 - Ignition coil 6 with power output stage (AYT, BKL, BRK) N325 - Ignition coil 7 with power output stage (BAN, BRN) N326 - Ignition coil 8 with power output stage (BAN, BRN) N327 - Ignition coil 9 with power output stage (BAN, BRN) N328 - Ignition coil 10 with power output stage (BAN, BRN) N329 - Ignition coil 11 with power output stage (BAN, BRN) N330 - Ignition coil 12 with power output stage (BAN, BRN) - Fuse: SD2 (AYT, BKL, BRK, BAN, BRN) 87a 26 - SD26 - Fuse 26 on fuse holder D 40 A - J329 - Terminal 15 voltage supply relay 30a         - Fuses: SB4, SB58 to SB72, SB74, SB75 75 27 - SD27 - Fuse 27 on fuse holder D 50 A - J671 - Radiator fan control unit 2 V177 - Radiator fan 2 30a 28 - SD28 - Fuse 28 on fuse holder D 50 A - J293 - Radiator fan control unit V7 - Radiator fan 30a 29 - SD29 - Fuse 29 on fuse holder D 50 A - J52 - Glow plug relay (AJS) J299 - Secondary air pump relay (BAN, BRN) 30a           Q10 - Glow plug 1 (AJS) Q11 - Glow plug 2 (AJS) Q12 - Glow plug 3 (AJS) Q13 - Glow plug 4 (AJS) Q14 - Glow plug 5 (AJS) V101 - Secondary air pump motor (BAN, BRN) 87a       80 A - Q10 - Glow plug 1 (BMK) Q11 - Glow plug 2 (BMK) Q12 - Glow plug 3 (BMK) Q13 - Glow plug 4 (BMK) Q14 - Glow plug 5 (BMK) Q15 - Glow plug 6 (BMK) 87a 30 - SD30 - Fuse 30 on fuse holder D 50 A - 495 - Glow plug relay 2 (AJS) J545 - Secondary air pump relay 2 (BAN, BRN) 30a           Q15 - Glow plug 6 (AJS) Q16 - Glow plug 7 (AJS) Q17 - Glow plug 8 (AJS) Q18 - Glow plug 9 (AJS) Q19 - Glow plug 10 (AJS) V189 - Secondary air pump motor 2 (BAN, BRN) 87a 31 - SD31 - Fuse 31 on fuse holder D 40 A - J255 - Climatronic control unit J309 - Solar cell isolation relay V2 - Rear fresh air blower 30a No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - SE1 - Thermal fuse 1 on fuse holder E 30 A - J386 - Driver door control unit J388 - Rear left door control unit 87a 2 - SE2 - Thermal fuse 2 on fuse holder E 30 A - J387 - Front passenger door control unit J389 - Rear right door control unit 87a 3 - SE3 - Thermal fuse 3 on fuse holder E 30 A - E335 - Lumbar support height adjustment button E336 - Lumbar support longitudinal adjustment button E418 - Seat longitudinal adjustment button E421 - Rake adjustment button E424 - Seat height adjustment button E425 - Backrest adjustment button J136 - Seat and steering column adjustment control unit with memory (driver side) 30a 4 - SE4 - Thermal fuse 4 on fuse holder E 30 A - E335 - Lumbar support height adjustment button E336 - Lumbar support longitudinal adjustment button E418 - Seat longitudinal adjustment button E421 - Rake adjustment button E424 - Seat height adjustment button E425 - Backrest adjustment button J521 - Front passenger seat adjustment with memory control unit (front passenger side) 30a 5 - SE5 - Thermal fuse 5 on fuse holder E 30 A - J522 - Rear seat adjustment with memory control unit 30a 6 - SE6 - Thermal fuse 6 on fuse holder E 30 A - Z42 - Rear left footwell heater element 30a 7 - SE7 - Thermal fuse 7 on fuse holder E 30 A - Z43 - Rear right footwell heater element 30a 8 - Not assigned - - - - 9 - Not assigned - - - - 10 - Not assigned - - - - Fuse assignment of additional relay carrier, on left in luggage compartment 1. Version Fuse colours 80 A -  Transparent 60 A -  Blue 50 A -  Red 40 A -  Orange 30 A -  Green 25 A -  White 20 A -  Yellow 15 A -  Blue 10 A -  Red 7,5 A -  Brown 5 A -  Beige   Get access to all wiring diagrams of the car No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - S333 - DVD fuse 7.5 A - R162 - Rear DVD changer R171 - Digital TV tuner 30a 2 - S334 - Refrigerator, fax and folding table relay fuse 10 A - J735 - Fax unit and refrigerator relay 30a           J699 - Refrigerator R73 - Fax unit R162 - Rear DVD changer 87 4   S255 - Refrigerator fuse, compressor 10 A - J699 - Refrigerator 30a 5 - S249 - Fax unit fuse 5 A - R73 - Fax unit 30a 6 - S332 - Folding table fuse 10 A - V250 - Folding table motor V325 - Folding table 2 motor 30a No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - S332 - Folding table fuse 10 A - V250 - Folding table motor V325 - Folding table 2 motor 30a 2 - S255 - Refrigerator fuse, compressor 10 A - J699 - Refrigerator 30a 3 - S249 - Fax unit fuse 5 A - R73 - Fax unit   4   S333 - DVD fuse 7.5 A - R162 - Rear DVD changer R171 - Digital TV tuner 30a 5 - S334 - Refrigerator, fax and folding table relay fuse 10 A - J735 - Fax unit and refrigerator relay 30a         - J699 - Refrigerator R73 - Fax unit R162 - Rear DVD changer 87a 7 -   - - Voltage feeder point from serial wiring harness - t  Fuses SB ... on fuse holder B, on left under dash panel, from May 2006 t  Fuses SC ... on fuse holder C in E-box, on left in luggage compartment, from May 2006 t  Fuses SD ... on fuse holder D, on right in plenum chamber, from May 2006 t  Fuses SE ... on fuse holder E, thermal fuse box, in front right footwell, from May 2006 t  Fuses S249, S255, S332, S333, S334 in additional fuse carrier, on left in luggage compartment, from May 2006     No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - S204 - Fuse 1 (30) 100 A - A18 - Windscreen heater voltage transformer 30 2 - S205 - Fuse 2 (30) 150 A - TV28 - Wiring junction 3 for terminal 30 Fuses: SB5 to SB18, SB27 to SB36, SD6, SD11, SD16 to SD20, SD23, SD24, SD26 Thermal fuses: SE1 to SE7 J329 - Terminal 15 voltage supply relay J670 - Motronic voltage supply relay 2 J680 - Terminal 75 voltage supply relay 1 30 3 - S206 - Fuse 3 (30) 300 A - Fuses SC3, SC5, SC6, SC8 to SC16, SC23 to SC27, SC41 to SC46 C - Alternator TV22 - Wiring junction 2 for terminal 30 C24 - Suppression filter Fuses: SD27 to SD31 30 4 - S207 - Fuse 4 (30)   - Not assigned   No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - SB1 - Fuse 1 on fuse holder B - - Not assigned - 2 - SB2 - Fuse 2 on fuse holder B 15 A - J386 - Driver door control unit J657 - Power latching control unit (driver side) J388 - Rear left door control unit J657 - Power latching control unit (rear left) V278 - Door power latching motor 30a 3 - SB3 - Fuse 3 on fuse holder B 15 A - J387 - Front passenger door control unit J657 - Power latching control unit (front passenger side) J389 - Rear right door control unit J763 - Power latching control unit for rear right door V278 - Door power latching motor 30a 4 - SB4 - Fuse 4 on fuse holder B 20 A - Fuses SC18, SC19, SC20, SC22 15a 5   SB5 - Fuse 5 on fuse holder B 5 A - J528 - Roof electronics control unit 30a 6 - Not assigned - - -   7 - SB7 - Fuse 7 on fuse holder B 15 A - J529 - Brake servo relay V192 - Vacuum pump for brakes 30a 87a 8 - SB8 - Fuse 8 on fuse holder B 25 A - J104 - ABS with EDL control unit J106 - ABS solenoid valve relay 30a 9 - SB9 - Fuse 9 on fuse holder B 5 A - J415 - Tuner for navigation system R78 - TV tuner 30a 10 - SB10 - Fuse 10 on fuse holder B 30 A - J519 - Onboard supply control unit L23 - Right fog light bulb 30a 11 - SB11 - Fuse 11 on fuse holder B 30 A - J519 - Onboard supply control unit M7 - Front right turn signal bulb M3 - Right side light bulb 30a 12 - SB12 - Fuse 12 on fuse holder B 30 A - J519 - Onboard supply control unit J567 - Left control unit for headlight range control J582 - Wiper park position heater relay J667 - Power output module for left headlight J683 - Left gas discharge bulb control unit J858 - Left dipped beam screen control unit J860 - Daytime running lights and side lights control unit L13 - Left gas discharge bulb L176 - Left LED module for daytime running lights and side lights M3 - Bulb for right side light M5 - Front left turn signal bulb M29 - Bulb for left dipped beam headlight M30 - Bulb for left main beam headlight V48 - Left servomotor for headlight range control V294 - Left dipped beam screen motor 30a 13 - SB13 - Fuse 13 on fuse holder B 30 A - J519 - Onboard supply control unit J568 - Right control unit for headlight range control J668 - Power output module for right headlight, on right headlight J684 - Control unit for right main beam gas discharge headlight J859 - Control unit for right dipped beam screen J861 - Control unit for right daytime running light and side light L14 - Right gas discharge bulb L177 - Right LED module for daytime running light and side light M1 - Bulb for left side light M7 - Bulb for front right side light M8 - Bulb for rear right turn signal M31 - Bulb for right dipped beam headlight M32 - Bulb for right main beam headlight V49 - Right servomotor for headlight range control V295 - Right dipped beam screen 30a 14   SB14 - Fuse 14 on fuse holder B 20 A - J519 - Onboard supply control unit H1 - Dual-tone horn 30a 15   SB15 - Fuse 15 on fuse holder B** **) To April 2008 5 A - F - Brake light switch J393 - Convenience system central control unit J623 - Engine control unit J345 - Trailer detector control unit J104 - Control unit for ABS with EDL 30a 16   SB16 - Fuse 16 on fuse holder B 20 A - J162 - Heater control unit 30a 17 - SB17 - Fuse 17 on fuse holder B *) To October 2008 10 A - J523 - Control unit for front display and information control panel J503 - Control unit with display for radio and navigation system R24 - Aerial amplifier* 30a 18 - SB18 - Fuse 18 on fuse holder B 10 A - J527 - Steering column electronics control unit 30a 19 - SB19 - Fuse 19 on fuse holder B 10 A - J518 - Entry and start authorisation control unit 30a 20 - SB20 - Fuse 20 on fuse holder B 15 A - J217 - 5-speed automatic gearbox control unit 30a       10 A - J217 - 6-speed automatic gearbox control unit 30a 21   Not assigned - - - - 22 - SB22 - Fuse 22 on fuse holder B 5 A - J623 - Engine control unit J624 - Engine control unit 2 30a 23 - SB23 - Fuse 23 on fuse holder B 5 A . J285 - Display control unit in dash panel insert 30a 24   Not assigned - - -   25   Not assigned - - -   26   Not assigned - - -   27 - SB27 - Fuse 27 on fuse holder B 5 A - J285 - Control unit with display in dash panel insert Self-diagnosis connection (T16/16) J669 - Belt tensioner relay 30a 28 - SB28 - Fuse 28 on fuse holder B *) To October 2008 5 A - J412 - Mobile telephone operating electronics control unit J526 - Telephone and telematics control unit* 30a 29 - SB29 - Fuse 29 on fuse holder B 5 A - R149 - Remote control receiver for auxiliary coolant heater 30a 30 - SB30 - Fuse 30 on fuse holder B 10 A - J255 - Climatronic control unit J523 - control unit for front display and information control panel (Climatronic control panel) V50 - Coolant circulation pump N175 - Left heat regulation valve N176 - Right heat regulation valve 30a 31 - SB31 - Fuse 31 on fuse holder B 5 A - Y - Analogue clock J524 - Control unit for rear display and information control panel 30a 32 - Not assigned - - -   33 - SB33 - Fuse 33 on fuse holder B *) To October 2008 5 A - J401 - Navigation system with CD drive control unit* R215 - Interface for external multimedia units 30a 34 - SB34 - Fuse 34 on fuse holder B 5 A - H12 - Alarm horn 30a 35 - Not assigned -   - - 36 - Not assigned -   - - 37 - Not assigned -   - - 38 - Not assigned -   - - 39 - Not assigned -   - - 40 - Not assigned -   - - 41 - SB41 - Fuse 41 on fuse holder B 5 A - J518 - Entry and start authorisation control unit 30a 42 - Not assigned - - - - 43 - Not assigned - - - - 44 - Not assigned - - - - 45 - Not assigned - - - - 46 - Not assigned - - - - 47 - SB47 - Fuse 47 on fuse holder B 5 A - G459 - Toll collection sender 30a 48 - Not assigned - - - - 49 - Not assigned - - - - 50 - Not assigned - - - - 51 - Not assigned - - - - 52 - SB52 - Fuse 52 on fuse holder B 5 A - J669 - Seat belt tensioner relay 15a 53   SB53 - Fuse 53 on fuse holder B *) To October 2008 **) To April 2008 5 A - F - Brake light switch (from May 2008) F36 - Clutch pedal switch* F47 - Brake pedal switch for CCS** G42 - Intake air temperature sender G70 - Air mass meter G246 - Air mass meter 2 G299 - Intake air temperature sender 2 J569 - Brake servo relay* J623 - Engine control unit** 15a 54 - SB54 - Fuse 54 on fuse holder B 5 A - J285 - Control unit in dash panel insert 15a 55 - SB55 - Fuse 55 on fuse holder B 10 A - J234 - Airbag control unit J623 - Engine control unit J624 - Engine control unit 2 K145 - Front passenger airbag off warning lamp 15a 56 - SB56 - Fuse 56 on fuse holder B 5 A - G226 - Oil level and oil temperature sender 15a 57   SB57 - Fuse 57 on fuse holder B 10 A - E256 - Button for TCS/ESP F125 - Multifunction switch F189 - Tiptronic switch F319 - Selector lever locked in position P switch J217 - Automatic gearbox control unit 15 a 58 - Not assigned - - - - 59 - SB59 - Fuse 59 on fuse holder B 10 A - N79 - Crankcase breather heater element 15a 60 - SB60 - Fuse 60 on fuse holder B 5 A - E301 - Front left vent button E302 - Front left centre vent button E303 - Front right centre vent button E304 - Front right vent button E305 - Button for temperature difference in footwell/head area E306 - Rear left vent button in centre console E307 - Rear right vent button in centre console 15a 61 - SB61 - Fuse 61 on fuse holder B 5 A - J104 - ABS with EDL control unit 15a 62 - SB62 - Fuse 62 on fuse holder B 10 A - J582 - Wiper park position heater relay, terminal 30 Z20 - Left washer jet heater element Z21 - Right washer jet heater element   63 - SB63 - Fuse 63 on fuse holder *) To October 2008 ***) To April 2007 5 A - E1 - Light switch G258 - Left sensor for distance control*** G259 - Right sensor for distance control*** G550 - Sensor for adaptive cruise control J412 - Control unit for mobile telephone operating electronics J428 - Control unit for distance control*** J519 - Onboard supply control unit J526 - Control unit for telephone/telematics* J539 - Brake servo control unit J567 - Control unit for left headlight range control J568 - Control unit for right headlight range control 15a 64 - SB64 - Fuse 64 on fuse holder B 5 A - J527 - Steering column electronics control unit 15a 65 - SB65 - Fuse 65 on fuse holder B 10 A - J160 - Circulation pump relay 15a         - V51 - Continued coolant circulation pump 87a 66 - SB66 - Fuse 66 on fuse holder B 5 A - E149 - Switch for rear roller blind J255 - Climatronic control unit N280 - Air conditioner compressor regulating valve 15a 67 - SB67 - Fuse 67 on fuse holder B 5 A - J431 - Control unit for headlight range control 15a 68 - SB68 - Fuse 68 on fuse holder B 5 A - N110 - Selector lever lock solenoid 15a 69 - SB69 - Fuse 69 on fuse holder B 5 A - J769 - Lane change assist control unit J770 - Lane change assist control unit 2 15a 70 - SB70 - Fuse 70 on fuse holder B 5 A - J236 - Servotronic control unit 15a 71 - SB71 - Fuse 71 on fuse holder B *) Only seat adjustment with no memory 5 A - E399 - Seat heating and ventilation regulator * E400 - Surround lighting regulator * E413 - Rear left seat heater and ventilation regulator * E414 - Rear right seat heater and ventilation regulator * J131 - Control unit for heated driver seat * J132 - Control unit for heated front passenger seat * J215 - Control unit for heated rear left seat * J216 - Control unit for heated rear right seat * 15a 72 - SB72 - Fuse 72 on fuse holder B 5 A - G238 - Air quality sensor 15a 73   Not assigned - - - - 74   SB74 - Fuse 74 on fuse holder B 10 A - J745 - Cornering light and headlight range control control unit (right headlight) 15a 75   SB75 - Fuse 75 on fuse holder B 10 A - J745 - Cornering light and headlight range control control unit (left headlight) 15a 76   Not assigned - - - - 77   Not assigned - - - - 78 - SB78 - Fuse 78 on fuse holder B** **) To April 2008 5 A - F47 - Brake pedal switch for CCS J623 - Engine control unit 87a 79 - SB79 - Fuse 79 on fuse holder B 15 A - U18 - 12 V socket 2, front of centre console 75a 80 - SB80 - Fuse 80 on fuse holder B 15 A - U19 - 12V socket 3 (rear), near control unit for display and information control panel in rear 75a 81 - SB81 - Fuse 81 on fuse holder B 30 A - J245 - Sliding sunroof adjustment control unit 30a 82 - SB82 - Fuse 82 on fuse holder B 15 A - U5 - 12 V socket, on left in luggage compartment 75a 83 - SB83 - Fuse 83 on fuse holder B 20 A - J525 - Digital sound package control unit R12 - Amplifier 30a 84 - SB84 - Fuse 84 on fuse holder B 15 A - U1 - Cigarette lighter 75a 85 - SB85 - Fuse 85 on fuse holder B 15 A - U3 - Rear left cigarette lighter 75a 86 - SB86 - Fuse 86 on fuse holder B 15 A - U7 - Rear right cigarette lighter 75a 87 - SB87 - Fuse 87 on fuse holder B 15 A - J131 - Heated driver seat control unit (only seat adjustment with no memory) 30a       30 A - J136 - Seat adjustment with memory control unit (driver side) 30a 88 - SB88 - Fuse 88 on fuse holder B 15 A - J132 - Heated front passenger seat control unit (only seat adjustment with no memory) 30a       30 A - J521 - Front passenger seat adjustment with memory control unit 30a 89 - SB89 - Fuse 89 on fuse holder B 15 A - J215 - Heated rear left seat control unit (only seat adjustment with no memory) J216 - Heated rear right seat control unit (only seat adjustment with no memory) 30a       30 A - J522 - Rear seat adjustment with memory control unit 30a No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - SC1 - Fuse 1 on fuse holder C 60 A - B - Starter J682 - Terminal 30 voltage supply relay 30 2 - SC2 - Fuse 2 on fuse holder C 80 A - J367 - Battery monitor control unit J579 - Onboard supply battery switch-over relay J580 - Vehicle starter battery switch-over relay 30 3 - SC3 - Fuse 3 on fuse holder C 80 A - J367 - Battery monitor control unit J579 - Onboard supply battery switch-over relay 30a 4   Not assigned - - -   5   SC5 - Fuse 5 on fuse holder C 30 A - S249 - Fuse for fax unit S255 - Fuse for refrigerator compressor S332 - Fuse for folding table S333 - Fuse for DVD S334 - Fuse for relay for refrigerator, folding table and fax unit 30a 6 - SC6 - Fuse 6 on fuse holder C 40 A - J403 - Adaptive suspension compressor relay V66 - Adaptive suspension compressor motor 30a 7   Not assigned - - -   8 - SC8 - Fuse 8 on fuse holder C 80 A - Fuses: SB2, SB3, SB37, SB39, SB41, SB47, SB81, SB83, SB87, SB88, SB89 30a 9 - SC9 - Fuse 9 on fuse holder C *) To October 2008 30 A 15 A - - T13 - 13-pin connector (electric socket for trailer coupling U10)* J345 - Trailer detector control unit 30a 10 - SC10 - Fuse 10 on fuse holder C 5 A - J367 - Battery monitor control unit 30a 11 - SC11 - Fuse 11 on fuse holder C 5 A - J502 - Tyre pressure monitor control unit 30a 12 - SC12 - Fuse 12 on fuse holder C 5 A - J446 - Parking aid control unit 30a 13 - SC13 - Fuse 13 on fuse holder C *) To October 2008 **) From November 2008 30 A* 15 A** - J345 - Trailer detector control unit 30a 14   SC14 - Fuse 14 on fuse holder C 5 A - J677 - Fuel tank flap release relay V155 - Tank filler flap locking motor 30a 15   SC15 - Fuse 15 on fuse holder C 25 A - J678 - Heated rear window relay, heater circuit 1 Z1 - Heated rear window 30a 16   SC16 - Fuse 16 on fuse holder C 25 A - J679 - Heated rear window relay, heater circuit 2 Z3 - Heated rear window, stage 2 30a 17 - Not assigned - - -   18 - SC18 - Fuse 18 on fuse holder C 5 A - J393 - Convenience system central control unit J690 - Left tail light control unit J691 - Right tail light control unit J755 - Transport mode relay 15a 19 - SC19 - Fuse 19 on fuse holder C 5 A - J197 - Adaptive suspension control unit 15a 20 - SC20 - Fuse 20 on fuse holder C 5 A - J345 - Trailer detector control unit 15a 21 - Not assigned - - - - 22 - SC22 - Fuse 22 on fuse holder C 5 A - J735 - Fax unit and refrigerator relay 15a 23 - SC23 - Fuse 23 on fuse holder C 5 A . W3 - Luggage compartment lights E406 - Button to close rear lid in luggage compartment (warning lamp) 30a 24 - SC24 - Fuse 24 on fuse holder C 10 A - J393 - Convenience system central control unit 30a 25   SC25 - Fuse 25 on fuse holder C 5 A - J262 - Rear roller blind control unit V91 - Rear roller blind motor 30a 26 - SC26 - Fuse 26 on fuse holder C 10 A - J393 - Convenience system central control unit 30a 27 - SC27 - Fuse 27 on fuse holder C 5 A - J772 - Reversing camera system control unit 30a 28 - SC28 - Fuse 28 on fuse holder C 15 A - J345 - Trailer detector control unit (from November 2008) 30a 29 - Not assigned - - - - 30 - Not assigned - - - - 31 - Not assigned - - - - 32   SC32 - Fuse 32 on fuse holder C 5 A - J581 - Battery parallel circuit relay 30a 33 - SC33 - Fuse 33 on fuse holder C 5 A - J17 - Fuel pump relay (only petrol engines) J49 - Electric fuel pump 2 relay J271 - Motronic current supply relay (only petrol engines) J317 - Terminal 30 voltage supply relay J623 - Engine control unit J670 - Motronic current supply relay 2 30a 34 - Not assigned - - - - 35 - SC35 - Fuse 35 on fuse holder C 20 A - J17 - Fuel pump relay (only petrol engines) V276 - Fuel pump 1 (only petrol engines) 30a 36 - SC36 - Fuse 36 on fuse holder C 30 A - J681 - Terminal 15 voltage supply relay 2 Fuses: SB52, SB53, SB54, SB55, SB56, SB57 30a 37 - Not assigned - - - - 38 - Not assigned - - - - 39 - Not assigned - - - - 40 - Not assigned - - - - 41 - SC41 - Fuse 41 on fuse holder C 5 A - G384 - Vehicle inclination sender 30a 42 - SC42 - Fuse 42 on fuse holder C 15 A - J393 - Convenience system central control unit 30a 43 - SC43 - Fuse 43 on fuse holder C 30 A - J605 - Rear lid control unit 30a 44 - SC44 - Fuse 44 on fuse holder C 10 A - J197 - Adaptive suspension control unit 30a 45 - SC45 - Fuse 45 on fuse holder C 5 A - J697 - Number plate light control unit J755 - Transport mode relay 30a 46 - SC46 - Fuse 46 on fuse holder C 20 A - J49 - Electric fuel pump 2 relay (only petrol engines) V277 - Fuel pump 2 (only petrol engines) 30a No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - SD1 - Fuse 1 on fuse holder D 10 A - N30 - Injector, cylinder 1 (AYT, BKL, BRK, BRN) N31 - Injector, cylinder 2 (AYT, BKL, BRK, BRN) N32 - Injector, cylinder 3 (AYT, BKL, BRK, BRN) N33 - Injector, cylinder 4 (BRN) N83 - Injector, cylinder 5 (BRN) N84 - Injector, cylinder 6 (BRN) 87a       15 A - F265 - Thermostat for map controlled engine cooling (AJS) J17 - Fuel pump relay (AJS) J151 - Continued coolant circulation relay (AJS, CARA, CEXA) J179 - Automatic glow period control unit (CARA, CEXA) J338 - Throttle valve module (CARA, CEXA) J724 - Turbocharger 1 control unit (AJS) J725 - Turbocharger 2 control unit (AJS) N18 - Exhaust gas recirculation valve (AJS) N144 - Left solenoid valve for electrohydraulic engine mounting (CARA, CEXA) N145 - Right solenoid valve for electrohydraulic engine mounting (AJS, CARA, CEXA) N213 - Exhaust gas recirculation valve 2 (AJS) N335 - Variable intake manifold changeover valve (AJS) N345 - Exhaust gas recirculation cooler changeover valve (CARA, CEXA) N381 - Exhaust gas recirculation cooler changeover valve 2 (AJS) V157 - Intake manifold flap motor (AJS) V280 - Turbocharger 1 control motor (AJS) V281 - Turbocharger 2 control motor (AJS) V400 - Pump for exhaust gas recirculation cooler (CARA, CEXA) 87a       25 A - J17 - Fuel pump relay (BMK) J160 - Circulation pump relay (BMK) J338 - Throttle valve module (BMK) J179 - Automatic glow period control unit (BMK) J724 - Turbocharger 1 control unit (BMK) N18 - Exhaust gas recirculation valve (BMK) N144 - Left solenoid valve for electrohydraulic engine mounting (BMK) N145 - Right solenoid valve for electrohydraulic engine mounting (BMK) V157 - Intake manifold flap motor (BMK) V275 - Intake manifold flap 2 motor (BMK) 87a 2 - SD2 - Fuse 2 on fuse holder D 10 A - N33 - Injector, cylinder 4 (AYT, BKL, BRK, CHNA) N83 - Injector, cylinder 5 (AYT, BKL, BRK, CHNA) N84 - Injector, cylinder 6 (AYT, BKL, BRK, CHNA) N85 - Injector, cylinder 7 (BRN) N86 - Injector, cylinder 8 (BRN) N299 - Injector, cylinder 9 (BRN) N300 - Injector, cylinder 10 (BRN) N301 - Injector, cylinder 11 (BRN) N302 - Injector, cylinder 12 (BRN) 87a 3 - SD3 - Fuse 3 on fuse holder D 30 A - J317 - Terminal 30 voltage supply relay J623 - Engine control unit (AJS) 30a 87a 4 - SD4 - Fuse 4 on fuse holder D 30 A - J689 - Terminal 30 voltage supply relay 2 (AJS) 30a         - J623 - Engine control unit (CARA, CEXA) J624 - Engine control unit 2 (AJS) 87a 5 - SD5 - Fuse 5 on fuse holder D 30 A - J17 - Fuel pump relay (AJS, BMK, CARA, CEXA) J749 - Fuel pump relay for auxiliary heater (AJS, BMK, CARA, CEXA) J832 - Additional fuel pump relay (CARA, CEXA) 30a           V276 - Fuel pump 1 (AJS, BMK, CARA) V277 - Fuel pump 2 (AJS, BMK, CARA) V393 - Supplementary fuel pump (CARA, CEXA) 87a 6 - SD6 - Fuse 6 on fuse holder D 10 A - J49 - Electric fuel pump 2 relay (BRN, CHNA) J151 - Continued coolant circulation relay (AJS, BGH, BGJ, CARA, CEXA, CHNA) J160 - Circulation pump relay (BMK) J299 - Secondary air pump relay (AYT, BKL, BRK, BRN, BGH, BGJ) J496 - Additional coolant pump relay (AYT, BKL, BRK, BRN) J545 - Secondary air pump relay 2 (BRN) 30a         - V50 - Coolant circulation pump (AYT, BKL, BRK) V51 - Continued coolant circulation pump (AJS, BGH, BGJ, BRN, CARA, CEXA, CHNA) V55 - Circulation pump (BMK) 87a 7 - SD7 - Fuse 7 on fuse holder D 10 A - N80 - Activated charcoal filter solenoid valve 1 (AYT, BKL, BRK, CHNA) N112 - Secondary air inlet valve (AYT, BKL, BRK) N144 - Left electrohydraulic engine mounting solenoid valve (AYT, BKL, BRK, CHNA) N156 - Variable intake manifold changeover valve (AYT, BKL, BRK, CHNA) N205 - Inlet camshaft control valve 1 (AYT, BKL, BRK, CHNA) N318 - Exhaust camshaft control valve 1 (AYT, BKL, BRK, CHNA) 30a       15 A - N80 - Activated charcoal filter solenoid valve 1 (BGH, BGJ) N112 - Secondary air inlet valve (BGH, BGJ) N156 - Variable intake manifold changeover valve (BGH, BGJ) N205 - Inlet camshaft control valve 1 (BGH, BGJ) N208 - Inlet camshaft control valve 2 (BGH, BGJ) N261 - Variable intake manifold changeover valve 2 (BGH, BGJ) 87a       20 A - F265 - Thermostat for map controlled engine cooling (BRN) N145 - Right solenoid valve for electrohydraulic engine mounting (BRN) N205 - Camshaft adjustment valve 1 (BRN) N208 - Camshaft adjustment valve 2 (BRN) N318 - Exhaust camshaft adjustment valve 1 (BRN) N319 - Exhaust camshaft adjustment valve 2 (BRN) N333 - Activated charcoal filter system solenoid valve 2 (BRN) 87a 8 - SD8 - Fuse 8 on fuse holder D 15 A - N276 - Fuel pressure regulating valve (CHNA) 15a       30 A - N70 - Ignition coil 1 with power output stage (BGH, BGJ) N127 - Ignition coil 2 with power output stage (BGH, BGJ) N291 - Ignition coil 3 with power output stage (BGH, BGJ) N292 - Ignition coil 4 with power output stage (BGH, BGJ) N323 - Ignition coil 5 with power output stage (BGH, BGJ) N324 - Ignition coil 6 with power output stage (BGH, BGJ) N325 - Ignition coil 7 with power output stage (BGH, BGJ) N326 - Ignition coil 8 with power output stage (BGH, BGJ) 87a 9 - SD9 - Fuse 9 on fuse holder D 20 A - N30 - Injector, cylinder 1 (BGH, BGJ) N31 - Injector, cylinder 2 (BGH, BGJ) N32 - Injector, cylinder 3 (BGH, BGJ) N33 - Injector, cylinder 4 (BGH, BGJ) N83 - Injector, cylinder 5 (BGH, BGJ) N84 - Injector, cylinder 6 (BGH, BGJ) N85 - Injector, cylinder 7 (BGH, BGJ) N86 - Injector, cylinder 8 (BGH, BGJ) 87a 10 - SD10 - Fuse 10 on fuse holder D 10 A - J623 - Engine control unit J624 - Engine control unit 2 87a       30 A - J623 - Engine control unit (CHNA) 87a 11 - SD11 - Fuse 11 on fuse holder D 15 A - J39 - Headlight washer system relay 30a         - V11 - Headlight washer system pump 87a 12 - SD12 - Fuse 12 on fuse holder D 10 A - J671 - Radiator fan control unit 2 V7 - Radiator fan J293 - Radiator fan control unit J574 - Release relay for terminal 61 V177 - Radiator fan 87a 13 - SD13 - Fuse 13 on fuse holder D 10 A - Z19 - Lambda probe heater (BMK) 87a       15 A - Z19 - Lambda probe heater (BRN, CARA, CEXA) Z28 - Lambda probe 2 heater (BRN) Z29 - Lambda probe 1 heater after catalytic converter (BRN) Z30 - Lambda probe 2 heater after catalytic converter (BRN) 87a       20 A - Z19 - Lambda probe heater (CHNA) Z28 - Lambda probe 2 heater (CHNA) Z29 - Lambda probe 1 heater after catalytic converter (CHNA) Z30 - Lambda probe 2 heater after catalytic converter (CHNA) 87a       25 A - Z19 - Lambda probe heater (AYT, BKL, BRK) Z28 - Lambda probe 2 heater (AJS, AYT, BKL, BRK) Z29 - Lambda probe 1 heater after catalytic converter (AYT, BKL, BRK) Z30 - Lambda probe 2 heater after catalytic converter (AYT, BKL, BRK) 87a 14 - SD14 - Fuse 14 on fuse holder D 15 A - N276 - Fuel pressure regulating valve (BMK) N290 - Fuel metering valve (BMK) Z19 - Lambda probe heater (BRN, CARA, CEXA) Z62 - Lambda probe heater 3 (BRN) Z63 - Lambda probe heater 4 after catalytic converter (BRN) Z64 - Lambda probe heater 3 after catalytic converter (BRN) Z65 - Lambda probe heater 4 after catalytic converter (BRN) J832 - Relay for supplementary fuel pump (CARA; CEXA) 87a       25 A - Z19 - Lambda probe heater (BGH, BGJ) Z28 - Lambda probe 2 heater (BGH, BGJ) Z29 - Lambda probe 1 heater after catalytic converter (BGH, BGJ) Z30 - Lambda probe 2 heater after catalytic converter (BGH, BGJ) 87a 15 - Not assigned - - - - 16 - SD16 - Fuse 16 on fuse holder D 10 A - J539 - Brake servo control unit 30a 17 - SD17 - Fuse 17 on fuse holder D 5 A - J309 - Solar cell isolation relay 30a 18 - SD18 - Fuse 18 on fuse holder D 15 A - J519 - Onboard supply control unit 30a 19 - SD19 - Fuse 19 on fuse holder D 30 A - J400 - Wiper motor control unit V216 - Driver side windscreen wiper motor V59 - Windscreen and rear window washer pump 30a 20 - SD20 - Fuse 20 on fuse holder D 30 A - J584 - Front passenger side wiper motor control unit V217 - Front passenger side windscreen wiper motor 30a 21 - SD21 - Fuse 21 on fuse holder D 60 A - Only models with 1 battery A: - Fuses: SB19, SB20, SB22, SB23 J271 - Motronic current supply relay J317 - Terminal 30 voltage supply relay 30 22 - SD22 - Fuse 22 on fuse holder D 40 A - N70 - Ignition coil 1 with power output stage (AYT, BKL, BRK, BRN, CHNA) N127 - Ignition coil 2 with power output stage (AYT, BKL, BRK, BRN, CHNA) N291 - Ignition coil 3 with power output stage (AYT, BKL, BRK, BRN, CHNA) N292 - Ignition coil 4 with power output stage (BRN) N323 - Ignition coil 5 with power output stage (BRN) N324 - Ignition coil 6 with power output stage (BRN) - Fuse: SD1 (AYT, BKL, BRK, BRN) 87a 23 - SD23 - Fuse 23 on fuse holder D 40 A - J680 - Terminal 75 voltage supply relay 1 30a         - Fuses: SB79, SB80, SB82, SB84, SB85, SB86 75 24 - SD24 - Fuse 24 on fuse holder D 40 A - J104 - ABS with EDL control unit 30a 25 - SD25 - Fuse 25 on fuse holder D 40 A - N292 - Ignition coil 4 with power output stage (AYT, BKL, BRK, CHNA) N323 - Ignition coil 5 with power output stage (AYT, BKL, BRK, CHNA) N324 - Ignition coil 6 with power output stage (AYT, BKL, BRK, CHNA) N325 - Ignition coil 7 with power output stage (BRN) N326 - Ignition coil 8 with power output stage (BRN) N327 - Ignition coil 9 with power output stage (BRN) N328 - Ignition coil 10 with power output stage (BRN) N329 - Ignition coil 11 with power output stage (BRN) N330 - Ignition coil 12 with power output stage (BRN) - Fuse: SD2 (AYT, BKL, BRK, BRN) 87a 26 - SD26 - Fuse 26 on fuse holder D 40 A - J329 - Terminal 15 voltage supply relay 30a         - Fuses: SB4, SB58 to SB72, SB74, SB75 75 27 - SD27 - Fuse 27 on fuse holder D 50 A - J671 - Radiator fan control unit 2 V177 - Radiator fan 2 30a 28 - SD28 - Fuse 28 on fuse holder D 50 A - J293 - Radiator fan control unit V7 - Radiator fan 30a 29 - SD29 - Fuse 29 on fuse holder D 50 A - J52 - Glow plug relay (AJS) J299 - Secondary air pump relay (BRN) 30a           Q10 - Glow plug 1 (AJS) Q11 - Glow plug 2 (AJS) Q12 - Glow plug 3 (AJS) Q13 - Glow plug 4 (AJS) Q14 - Glow plug 5 (AJS) V101 - Secondary air pump motor (BRN) 87a       60 A - Q10 - Glow plug 1 (CARA, CEXA) Q11 - Glow plug 2 (CARA, CEXA) Q12 - Glow plug 3 (CARA, CEXA) Q13 - Glow plug 4 (CARA, CEXA) Q14 - Glow plug 5 (CARA, CEXA) Q15 - Glow plug 6 (CARA, CEXA) 87a 30 - SD30 - Fuse 30 on fuse holder D 50 A - 495 - Glow plug relay 2 (AJS) J545 - Secondary air pump relay 2 (BRN) 30a           Q15 - Glow plug 6 (AJS) Q16 - Glow plug 7 (AJS) Q17 - Glow plug 8 (AJS) Q18 - Glow plug 9 (AJS) Q19 - Glow plug 10 (AJS) V189 - Secondary air pump motor 2 (BRN) 87a 31 - SD31 - Fuse 31 on fuse holder D 40 A - J255 - Climatronic control unit J309 - Solar cell isolation relay V2 - Rear fresh air blower 30a No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - SE1 - Thermal fuse 1 on fuse holder E 30 A - J386 - Driver door control unit J388 - Rear left door control unit 87a 2 - SE2 - Thermal fuse 2 on fuse holder E 30 A - J387 - Front passenger door control unit J389 - Rear right door control unit 87a 3 - SE3 - Thermal fuse 3 on fuse holder E 30 A - E335 - Lumbar support height adjustment button E336 - Lumbar support longitudinal adjustment button E418 - Seat longitudinal adjustment button E421 - Rake adjustment button E424 - Seat height adjustment button E425 - Backrest adjustment button J136 - Seat and steering column adjustment control unit with memory (driver side) 30a 4 - SE4 - Thermal fuse 4 on fuse holder E 30 A - E335 - Lumbar support height adjustment button E336 - Lumbar support longitudinal adjustment button E418 - Seat longitudinal adjustment button E421 - Rake adjustment button E424 - Seat height adjustment button E425 - Backrest adjustment button J521 - Front passenger seat adjustment with memory control unit (front passenger side) 30a 5 - SE5 - Thermal fuse 5 on fuse holder E 30 A - J522 - Rear seat adjustment with memory control unit 30a 6 - SE6 - Thermal fuse 6 on fuse holder E 30 A - Z42 - Rear left footwell heater element 30a 7 - SE7 - Thermal fuse 7 on fuse holder E 30 A - Z43 - Rear right footwell heater element 30a 8 - Not assigned         9 - Not assigned         10 - Not assigned       VW PHAETON 2013 Overview of all earth points in engine compartment No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - S333 - DVD fuse 7.5 A - R162 - Rear DVD changer R171 - Digital TV tuner 30a 2 - S334 - Refrigerator, fax and folding table relay fuse 10 A - J735 - Fax unit and refrigerator relay 30a           J699 - Refrigerator R73 - Fax unit R162 - Rear DVD changer 87 4   S255 - Refrigerator fuse, compressor 10 A - J699 - Refrigerator 30a 5 - S249 - Fax unit fuse 5 A - R73 - Fax unit 30a 6 - S332 - Folding table fuse 10 A - V250 - Folding table motor V325 - Folding table 2 motor 30a Fuse assignment of additional relay carrier, on left in luggage compartment 2. Version Fuse colours 80 A -  Transparent 60 A -  Blue 50 A -  Red 40 A -  Orange 30 A -  Green 25 A -  White 20 A -  Yellow 15 A -  Blue 10 A -  Red 7,5 A -  Brown 5 A -  Beige   Get access to all wiring diagrams of the car No.   Current Flow Diagram designation Nominal value   Function/component Terminal 1 - S332 - Folding table fuse 10 A - V250 - Folding table motor V325 - Folding table 2 motor 30a 2 - S255 - Refrigerator fuse, compressor 10 A - J699 - Refrigerator 30a 3 - S249 - Fax unit fuse 5 A - R73 - Fax unit   4   S333 - DVD fuse 7.5 A - R162 - Rear DVD changer R171 - Digital TV tuner 30a 5 - S334 - Refrigerator, fax and folding table relay fuse 10 A - J735 - Fax unit and refrigerator relay 30a         - J699 - Refrigerator R73 - Fax unit R162 - Rear DVD changer 87a 7 -   - - Voltage feeder point from serial wiring harness - VW PHAETON 2013 Overview of all earth points in engine compartment 600 -  Earth point, on right of cylinder head q   Fitting location 601 -  Earth point, on left of cylinder head q   Fitting location 640 -  Earth point 2, left in engine compartment q   Fitting location 641 -  Earth point 3, left in engine compartment q   Fitting location 642 -  Earth point for electronically controlled fan q   Fitting location 643 -  Earth point 3, on right in engine compartment q   Fitting location 644 -  Earth point 4, on right in engine compartment q   Fittings location Get access to all wiring diagrams of the car 645 -  Earth point 1, on bulkhead q   Fittings location 646 -  Earth point 2, on bulkhead q   Fittings location 647 -  Earth point 3, on bulkhead q   Fittings location 648 -  Earth point 4, on bulkhead q   Fittings location 649 -  Earth point 5, on bulkhead q   Fittings location 650 -  Earth point 6, on bulkhead q   Fittings location 651 -  Earth point 7, on bulkhead q   Fittings location 652 -  Earth point, engine and gearbox earth q   Fittings location    640 Earth point 2, on left in engine compartment, on left wheel housing ⇒ -arrow A-    643 Earth point 3, on right in engine compartment on right wheel housing ⇒ -arrow A-   Get access to all wiring diagrams of the car    644 Earth point, on right in engine compartment on right wheel housing ⇒ -arrow-   Get access to all wiring diagrams of the car    646 Earth point -2-, on bulkhead, on left of bulkhead ⇒ -arrow A-   Get access to all wiring diagrams of the car    647 Earth point -3-, on bulkhead, on right of bulkhead ⇒ -arrow E-    649 Earth point -5-, on bulkhead, on right of bulkhead ⇒ -arrow C-    651 Earth point -7-, on bulkhead, on right of bulkhead ⇒ -arrow A-   Get access to all wiring diagrams of the car    652 Earth point, gearbox/engine earth, on front right of longitudinal member ⇒ -arrow-   Get access to all wiring diagrams of the car Earth points on 12-cylinder petrol engine    600 Earth point, on right of cylinder head ⇒ -arrow B- Overview of all earth points in interior Get access to all wiring diagrams of the car 627 -  Earth point 1 for seat control unit q   Fittings location 628 -  Earth point 2 for seat control unit q   Fittings location 629 -  Earth point, DSP, TV, CDCU q   Fittings location 630 -  Earth point, DSP, air conditioning system q   Fittings location 631 -  Earth point in rear right door q   Fittings location 632 -  Earth point in rear left door q   Fittings location 633 -  Earth connection for entry and start authorisation control unit q   Fittings location 634 -  Earth point, driver seat control unit q   Fittings location 635 -  Earth point, front passenger seat control unit q   Fittings location Get access to all wiring diagrams of the car 636 -  Earth point for onboard supply control unit q   Fittings location 637 -  Earth point, airbag control unit q   Fittings location 638 -  Earth point, on right A-pillar q   Fittings location 639 -  Earth point, left A-pillar q   Fittings location 657 -  Earth point 1, on left near rear window q   Fittings location 658 -  Earth point 2, on left near rear window q   Fittings location 659 -  Earth point 1, on right near rear window q   Fittings location 660 -  Earth point 2, on right near rear window q   Fittings location    627 Earth point -1-, seat control unit, central under rear seats ⇒ -arrow-   Get access to all wiring diagrams of the car    628 Earth point -2-, seat control unit, in middle under rear seats ⇒ -arrow-   Get access to all wiring diagrams of the car    629 Earth point DSP, TV, CDCU, on tunnel of rear right footwell ⇒ -arrow A-   Get access to all wiring diagrams of the car    630 Earth point, DSP, air conditioning system, on tunnel of rear right footwell ⇒ -arrow A-   Get access to all wiring diagrams of the car    631 Earth point for rear right door, vehicle floor, near right B-pillar ⇒ -arrow B-   Get access to all wiring diagrams of the car    632 Earth point for rear left door, vehicle floor, near left B-pillar ⇒ -arrow B-   Get access to all wiring diagrams of the car    634 Earth point for driver seat control unit, front cross member of driver seat ⇒ -arrow B -   Get access to all wiring diagrams of the car    635 Earth point for front passenger seat control unit, front cross member of front passenger seat ⇒ -arrow-   Get access to all wiring diagrams of the car    636 Earth point for onboard supply control unit, on front of tunnel on front passenger side ⇒ -arrow-   Get access to all wiring diagrams of the car    637 Earth point for airbag control unit, on front centre of tunnel ⇒ -arrow-   Get access to all wiring diagrams of the car    638 Earth point, on right A-pillar, under dash panel on front passenger side ⇒ -arrow-   Get access to all wiring diagrams of the car    639 Earth point, on left A-pillar, under dash panel on driver side ⇒ -arrow-   Get access to all wiring diagrams of the car    658 Earth point -2-, near rear left window ⇒ -arrow B-   Get access to all wiring diagrams of the car    660 Earth point -2-, near rear right window ⇒ -arrow B-   Get access to all wiring diagrams of the car Overview of all earth points in luggage compartment Get access to all wiring diagrams of the car 621 -  Earth point, onboard supply battery q   Fitting location 622 -  Earth point 1 for earth plate q   Fittings location 623 -  Earth point 2 for earth plate q   Fittings location 624 -  Earth point, starter battery q   Fittings location 625 -  Earth point for left tail light q   Fittings location 626 -  Earth point for right tail light q   Fittings location Earth point, in luggage compartment    621 Earth point, onboard supply battery, on battery console ⇒ -arrow-   Get access to all wiring diagrams of the car    622 Earth point -1-, earth plate, on left in luggage compartment ⇒ -arrow-   Get access to all wiring diagrams of the car    623 Earth point -2-, earth plate, on left in luggage compartment ⇒ -arrow-   Get access to all wiring diagrams of the car    624 Earth point, starter battery, on right in engine compartment ⇒ -arrow-   Get access to all wiring diagrams of the car    625 Earth point for left tail light, near left tail light ⇒ -arrow-   Get access to all wiring diagrams of the car    626 Earth point for right tail light, near right tail light ⇒ -arrow-   Get access to all wiring diagrams of the car VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013VW PHAETON 2013 Can't find your car? 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