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Wiring Diagram SEAT TOLEDO 2016 - Starter - Alternator with voltage regulator - Fuse holder A
| A | Battery |
| B | Starter |
| CX1 | Alternator with voltage regulator |
| D | Ignition/starter switch |
| J519 | Onboard supply control unit |
| SA | Fuse holder A |
| SA1 | Fuse 1 in fuse holder A |
| T4h | 4-pin connector, front left in engine compartment |
| T7a | 7-pin connector |
| T73b | 73-pin connector, white |
| B276 | Positive connection (50), in main wiring harness |
| * | Only models with manual gearbox |
Wiring Diagram SEAT TOLEDO 2016 - Radiator fan control unit - Fuse holder A - Radiator fan - Right radiator fan
| J293 | Radiator fan control unit |
| J519 | Onboard supply control unit |
| SA | Fuse holder A |
| SA5 | Fuse 5 in fuse holder A |
| T2v | 2-pin connector, on radiator fan |
| T4ad | 4-pin connector |
| V7 | Radiator fan |
| V35 | Right radiator fan |
| 380 | Earth connection 15, in main wiring harness |
| * | Only models with air conditioning system/ Climatronic |
| *2 | Only models with two radiator fans |
Wiring Diagram SEAT TOLEDO 2016 - Fuse holder B
| J329 | Terminal 15 voltage supply relay |
| J519 | Onboard supply control unit |
| SB | Fuse holder B |
| SB3 | Fuse 3 on fuse holder B |
| SB7 | Fuse 7 on fuse holder B |
| SB8 | Fuse 8 on fuse holder B |
| SB16 | Fuse 16 on fuse holder B |
| SB20 | Fuse 20 on fuse holder B |
| T14a | 14-pin connector, front left in engine compartment |
| B277 | Positive connection 1 (15a) in main wiring harness |
| B278 | Positive connection 2 (15a) in main wiring harness |
| B315 | Positive connection 1 (30a) in main wiring harness |
| B318 | Positive connection 4 (30a) in main wiring harness |
| B329 | Positive connection 15 (30a) in main wiring harness |
| B626 | Positive connection 2 (15), in main wiring harness |
| B634 | Positive connection 2 (87), in main wiring harness |
| * | Only models with extended servicing intervals (ESI) |
Wiring Diagram SEAT TOLEDO 2016 - Fuse holder B
| J519 | Onboard supply control unit |
| SB | Fuse holder B |
| SB28 | Fuse 28 on fuse holder B |
| SB29 | Fuse 29 on fuse holder B |
| SB30 | Fuse 30 on fuse holder B |
| SB31 | Fuse 31 on fuse holder B |
| SB32 | Fuse 32 on fuse holder B |
| SB33 | Fuse 33 on fuse holder B |
| SB34 | Fuse 34 on fuse holder B |
| T14a | 14-pin connector, front left in engine compartment |
| B351 | Positive connection 2 (87a) in main wiring harness |
| B354 | Positive connection 5 (87a) in main wiring harness |
| B634 | Positive connection 2 (87), in main wiring harness |
Wiring Diagram SEAT TOLEDO 2016 - Engine speed sender - Hall sender - Radiator outlet coolant temperature sender - Engine control unit
| G28 | Engine speed sender |
| G40 | Hall sender |
| G83 | Radiator outlet coolant temperature sender |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| T3f | 3-pin connector |
| T3j | 3-pin connector |
| T60a | 60-pin connector |
| T73b | 73-pin connector, white |
| T94a | 94-pin connector |
| B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
| B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
Wiring Diagram SEAT TOLEDO 2016 - Lambda probe - Lambda probe after catalytic converter - Engine control unit
| G39 | Lambda probe |
| G130 | Lambda probe after catalytic converter |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| T4j | 4-pin connector |
| T6f | 6-pin connector |
| T94a | 94-pin connector |
| Z19 | Lambda probe heater |
| Z29 | Lambda probe 1 heater after catalytic converter |
| B441 | Connection (CCS), in main wiring harness |
| * | Only models with cruise control system (CCS) |
Wiring Diagram SEAT TOLEDO 2016 - Brake pedal switch - Accelerator position sender - Engine control unit
| F | Brake light switch |
| F47 | Brake pedal switch |
| G79 | Accelerator position sender |
| G185 | Accelerator position sender 2 |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| T4d | 4-pin connector |
| T6e | 6-pin connector |
| T94a | 94-pin connector |
| B335 | Connection 1 (54), in main wiring harness |
Wiring Diagram SEAT TOLEDO 2016 - Engine control unit
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| T14a | 14-pin connector, front left in engine compartment |
| T94a | 94-pin connector |
| 281 | Earth point 1, engine prewiring harness |
| 373 | Earth connection 8, in main wiring harness |
| 374 | Earth connection 9, in main wiring harness |
| * | Only models with extended servicing intervals (ESI) |
Wiring Diagram SEAT TOLEDO 2016 - Main relay - Throttle valve module - Engine control unit
| G186 | Throttle valve drive for electric throttle |
| G187 | Throttle valve drive angle sender 1 for electric throttle |
| G188 | Throttle valve drive angle sender 2 for electric throttle |
| J271 | Main relay |
| J338 | Throttle valve module |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| T6h | 6-pin connector |
| T60a | 60-pin connector |
| T94a | 94-pin connector |
| B316 | Positive connection 2 (30a) in main wiring harness |
Wiring Diagram SEAT TOLEDO 2016 - Knock sensor 1 - Coolant temperature sender - Engine control unit
| G61 | Knock sensor 1 |
| G62 | Coolant temperature sender |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| T60a | 60-pin connector |
Wiring Diagram SEAT TOLEDO 2016 - Engine control unit - Injector - cylinder 1 - Injector - cylinder 2 - Injector - cylinder 3 - Injector - cylinder 4
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| T60a | 60-pin connector |
Wiring Diagram SEAT TOLEDO 2016 - Fuel pressure sender - Engine control unit - Fuel pressure regulating valve
| G247 | Fuel pressure sender |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| N276 | Fuel pressure regulating valve |
| T3h | 3-pin connector |
| T60a | 60-pin connector |
| 283 | Earth point 2, engine prewiring harness |
| D141 | Connection (5V) in engine prewiring harness |
Wiring Diagram SEAT TOLEDO 2016 - Charge pressure sender - Intake air temperature sender - Intake manifold pressure sender - Intake air temperature sender 2 - Engine control unit
| G31 | Charge pressure sender |
| G42 | Intake air temperature sender |
| G71 | Intake manifold pressure sender |
| G299 | Intake air temperature sender 2 |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| T4g | 4-pin connector |
| T4l | 4-pin connector |
| T60a | 60-pin connector |
| 283 | Earth point 2, engine prewiring harness |
| D141 | Connection (5V) in engine prewiring harness |
| D174 | Connection 2 (5V) in engine prewiring harness |
Wiring Diagram SEAT TOLEDO 2016 - Engine control unit - Activated charcoal filter solenoid valve 1 - Camshaft control valve 1
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| N80 | Activated charcoal filter solenoid valve 1 |
| N205 | Camshaft control valve 1 |
| T60a | 60-pin connector |
| D196 | Connection 2 (87a) in engine prewiring harness |
Wiring Diagram SEAT TOLEDO 2016 - Oil level and oil temperature sender - Engine control unit - Charge pressure control solenoid valve - Turbocharger air recirculation valve
| G266 | Oil level and oil temperature sender |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| N75 | Charge pressure control solenoid valve |
| N249 | Turbocharger air recirculation valve |
| T3l | 3-pin connector |
| T14a | 14-pin connector, front left in engine compartment |
| T60a | 60-pin connector |
| D196 | Connection 2 (87a) in engine prewiring harness |
| * | Only models with extended servicing intervals (ESI) |
Wiring Diagram SEAT TOLEDO 2016 - Brake servo pressure sensor - Engine control unit - Vacuum pump for brakes
| G294 | Brake servo pressure sensor |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| T4ac | 4-pin connector |
| T6aa | 6-pin connector |
| T94a | 94-pin connector |
| V192 | Vacuum pump for brakes |
Wiring Diagram SEAT TOLEDO 2016 - Engine control unit - Ignition coil 1 with output stage - Ignition coil 2 with output stage - Ignition coil 3 with output stage - Ignition coil 4 with output stage
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| N70 | Ignition coil 1 with output stage |
| N127 | Ignition coil 2 with output stage |
| N291 | Ignition coil 3 with output stage |
| N292 | Ignition coil 4 with output stage |
| Q23 | Spark plug 1 |
| Q24 | Spark plug 2 |
| Q25 | Spark plug 3 |
| Q26 | Spark plug 4 |
| T4n | 4-pin connector |
| T4o | 4-pin connector |
| T4p | 4-pin connector |
| T4r | 4-pin connector |
| T60a | 60-pin connector |
| 306 | Earth connection (ignition coils), in engine prewiring harness |
| D189 | Connection (87a) in engine prewiring harness |
Wiring Diagram SEAT TOLEDO 2016 - Additional coolant pump relay - Engine control unit - Coolant circulation pump
| F268 | Auxiliary heating heater element contact switch |
| J359 | Low heat output relay |
| J360 | High heat output relay |
| J496 | Additional coolant pump relay |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| T14a | 14-pin connector, front left in engine compartment |
| T94a | 94-pin connector |
| V50 | Coolant circulation pump |
| * | Only models with auxiliary air heater |
| *2 | Only models with no air conditioning system/Climatronic |
Wiring Diagram SEAT TOLEDO 2016 - Fuel gauge sender - Fuel system pressurisation pump - Fuel pump control unit - Engine control unit
| G | Fuel gauge sender |
| G6 | Fuel system pressurisation pump |
| J519 | Onboard supply control unit |
| J538 | Fuel pump control unit |
| J623 | Engine control unit |
| T5b | 5-pin connector |
| T10f | 10-pin connector |
| T73a | 73-pin connector, black |
| T94a | 94-pin connector |
| 379 | Earth connection 14, in main wiring harness |
| * | Only left-hand drive models |
| *2 | Only right-hand drive models |
Wiring Diagram SEAT TOLEDO 2016 - Fuel gauge - Dash panel insert
| G1 | Fuel gauge |
| J285 | Control unit in dash panel insert |
| J519 | Onboard supply control unit |
| K | Dash panel insert |
| K105 | Reserve fuel warning lamp |
| T32a | 32-pin connector |
| 410 | Earth connection 1 (sender earth) in main wiring harness |
Wiring Diagram SEAT TOLEDO 2016 - Oil pressure switch - Speedometer - Dash panel insert - Trip counter
| F1 | Oil pressure switch |
| G21 | Speedometer |
| J285 | Control unit in dash panel insert |
| J519 | Onboard supply control unit |
| K | Dash panel insert |
| K3 | Oil pressure warning lamp |
| K38 | Oil level warning lamp |
| K83 | Exhaust emissions warning lamp |
| K132 | Electronic power control fault lamp |
| T14a | 14-pin connector, front left in engine compartment |
| T32a | 32-pin connector |
| Y4 | Trip counter |
| B464 | Connection (speed signal), in main wiring harness |
| * | Only models with extended servicing intervals (ESI) |
SEAT TOLEDO 2016
SEAT TOLEDO 2016
| Overview of the control units (only for vehicles with left-hand drive) |
| 1 - | Control unit with display for radio and navigation system -J503- |
| 2 - | Ignition starter switch -D- |
| q | Pin assignment |
| 3 - | Multi-function steering wheel control unit -J453- |
| q | Fitting location |
| 4 - | Coil -F350- |
| q | Pin assignment |
| 5 - | Left steering column switch -EX19- Right steering column switch -EX20- |
| q | Pin assignment |
| 6 - | Headlight range control adjuster -E102- |
| q | Fitting location |
| 7 - | Light switch -E1- |
| q | Fitting location |
| q | Pin assignment |
| 8 - | Day driving light switch-off switch -E579- |
| q | up to May 2013 |
| 9 - | Onboard control unit -J519- Data bus diagnostic interface -J533- |
| q | Fitting location |
| q | Fuse assignment, as of September 2012 |
| q | Fuse assignment as of November 2012 |
| q | Fuse assignment as of May 2013 |
| 10 - | Control unit in dash panel insert -J285- Immobilizer control unit -J362- |
| q | Pin assignment |
| q | Warning light control in dash panel insert |
| q | Display control in dash panel insert |
| 11 - | Power steering control unit -J500- |
| q | electromechanical power steering |
| q | Fitting location |
| 12 - | Engine control unit -J623- |
| q | Fitting location |
| q | 52-pin + 28-pin assignment |
| q | 94-pin + 60-pin assignment |
| q | 81-pin + 40-pin assignment |
| 13 - | Automatic gearbox control unit -J217- |
| 14 - | Windscreen wiper motor -V- |
| q | Fitting location |
| q | Pin assignment |
| 15 - | Battery monitor control unit -J367- |
| q | Fitting location |
| 16 - | Power steering control unit -J500- |
| q | electrohydraulic power-assisted steering |
| q | Fitting location |
| q | Pin assignment |
| 17 - | Radiator fan control unit -J293- |
| q | Fitting location (not valid for engine identification characters CAXA) |
| q | Fuse assignment (not valid for engine identification characters CAXA) |
| 18 - | Automatic glow period control unit -J179- |
| q | Fitting location |
| 19 - | Double clutch gearbox mechatronics -J743- |
| q | Fitting location |
| q | Pin assignment |
| 20 - | Radiator fan control unit -J293- |
| q | Fuse assignment (applies for engine identification characters CAXA CAXA) |
| 21 - | Lambda probe after catalytic converter -G130- |
| q | Fitting location |
| q | Pin assignment |
| 22 - | Lambda probe -G39- |
| q | Fitting location |
| q | Pin assignment |
| 23 - | ABS control unit -J104- |
| q | Fitting location |
| q | Pin assignment |
| 24 - | Airbag control unit -J234- |
| q | Fitting location |
| q | Pin assignment |
| 25 - | Fresh air blower control unit -J126- |
| 26 - | Heated front seat control unit -J774- |
| q | Fitting location |
| 27 - | Multimedia system control unit -J650- |
| q | Pin assignment |
| 28 - | Fresh air and air recirculation flap control unit -J251- Air conditioning system control unit -J301- Climatronic control unit -J255- |
| q | Pin assignment Fresh air and air recirculating flap control unit -J251- |
| q | Pin assignment Air conditioning system control unit -J301- |
| q | Pin assignment Climatronic control unit -J255- |
| Overview of the control units (only for vehicles with right-hand drive) |
| 1 - | Fresh air and air recirculation flap control unit -J251- Air conditioning system control unit -J301- Climatronic control unit -J255- |
| q | Pin assignment Fresh air and air recirculating flap control unit -J251- |
| q | Pin assignment Air conditioning system control unit -J301- |
| q | Pin assignment Climatronic control unit -J255- |
| 2 - | Control unit with display for radio and navigation system -J503- |
| 3 - | Multimedia system control unit -J650- |
| q | Pin assignment |
| 4 - | Fresh air blower control unit -J126- |
| 5 - | ABS control unit -J104- |
| q | Fitting location |
| q | Pin assignment |
| 6 - | Engine control unit -J623- |
| q | Fitting location |
| q | 52-pin + 28-pin assignment |
| q | 94-pin + 60-pin assignment |
| q | 81-pin + 40-pin assignment |
| 7 - | Automatic gearbox control unit -J217- |
| 8 - | Battery monitor control unit -J367- |
| q | Fitting location |
| 9 - | Power steering control unit -J500- |
| q | electrohydraulic power-assisted steering |
| q | Fitting location |
| q | Pin assignment |
| 10 - | Radiator fan control unit -J293- |
| q | Fitting location (not valid for engine identification characters CAXA) |
| q | Fuse assignment (not valid for engine identification characters CAXA) |
| 11 - | Automatic glow period control unit -J179- |
| q | Fitting location |
| 12 - | Double clutch gearbox mechatronics -J743- |
| q | Fitting location |
| q | Pin assignment |
| 13 - | Radiator fan control unit -J293- |
| q | Fuse assignment (applies for engine identification characters CAXA CAXA) |
| 14 - | Lambda probe after catalytic converter -G130- |
| q | Fitting location |
| q | Pin assignment |
| 15 - | Lambda probe -G39- |
| q | Fitting location |
| q | Pin assignment |
| 16 - | Windscreen wiper motor -V- |
| q | Fitting location |
| q | Pin assignment |
| 17 - | Airbag control unit -J234- |
| q | Fitting location |
| q | Pin assignment |
| 18 - | Power steering control unit -J500- |
| q | electromechanical power steering |
| q | Fitting location |
| 19 - | Heated front seat control unit -J774- |
| q | Fitting location |
| 20 - | Control unit in dash panel insert -J285- Immobilizer control unit -J362- |
| q | Pin assignment |
| q | Warning light control in dash panel insert |
| q | Display control in dash panel insert |
| 21 - | Onboard control unit -J519- Data bus diagnostic interface -J533- |
| q | Fitting location |
| q | Fuse assignment, as of September 2012 |
| q | Fuse assignment as of November 2012 |
| q | Fuse assignment as of May 2013 |
| 22 - | Day driving light switch-off switch -E579- |
| q | up to May 2013 |
| 23 - | Light switch -E1- |
| q | Fitting location |
| q | Pin assignment |
| 24 - | Headlight range control adjuster -E102- |
| q | Fitting location |
| 25 - | Ignition starter switch -D- |
| q | Pin assignment |
| 26 - | Left steering column switch -EX19- Right steering column switch -EX20- |
| q | Pin assignment |
| 27 - | Coil -F350- |
| q | Pin assignment |
| 28 - | Multi-function steering wheel control unit -J453- |
| q | Fitting location |
|
| 1 | - | T7a15 |
| 2 | - | T7a30 |
| 3 | - | T7a50 |
| 4 | - | T7aP |
| 5 | - | T7a86s |
| 6 | - | T7a75 |
| 7 | - | T7a30 |
|
| Coil -F350- |
| Pin assignment |
| A | - | Coil -F350- |
| B | - | 12-pin connector, at wiring harness - T12a |
| C | - | 16-pin connector, at wiring harness - T16d |
| Left steering column switch -EX19- Right steering column switch -EX20- |
| Pin assignment |
| A | - | Left steering column switch -EX19- Right steering column switch -EX20- |
| B | - | 10-pin connector, at wiring harness - T10c |
| C | - | 16-pin connector, at wiring harness - T16c |
|
|
|
|
|
| A | - | Light switch -E1- |
| B | - | 17-pin connector, at wiring harness - T17a |
| Control unit in dash panel insert -J285- Immobilizer control unit -J362- |
| Pin assignment |
| A | - | Control unit in dash panel insert -J285- Immobilizer control unit -J362- |
| B | - | 32-pin connector, at wiring harness - T32a |
| 32-pin connector -T32a- |
| 1 | - | Sender for fuel gauge display -G- , Fuel pump control unit -J538- |
| 2 | - | Sender for fuel gauge display -G- , Fuel pump control unit -J538- |
| 3 | - | not assigned |
| 4 | - | not assigned |
| 5 | - | not assigned |
| 6 | - | not assigned |
| 7 | - | Immobilizer reading coil -D2- |
| 8 | - | Immobilizer reading coil -D2- |
| 9 | - | Speed signal - Ouput |
| 10 | - | Sender for speedometer -G22- (up to November 2012) |
| - | Automatic gearbox control unit -J217- | |
| 11 | - | Oil level and oil temperature sender -G266- |
| 12 | - | not assigned |
| 13 | - | Rear fog light warning light -K13- |
| 14 | - | Main beam warning light -K1- |
| 15 | - | not assigned |
| 16 | - | Terminal 31 - Input |
| 17 | - | Windscreen washer fluid level sender -G33- |
| 18 | - | Coolant shortage indicator sender -G32- |
| 19 | - | Ambient temperature sensor -G17- |
| 20 | - | Terminal 31 (sender mass) - Output |
| 21 | - | Multi-function display -J119- |
| - | Function selection switch -E91- | |
| 22 | - | Multi-function display -J119- |
| - | Function selection switch -E91- | |
| 23 | - | Multi-function display -J119- |
| - | Reset button -E92- | |
| 24 | - | not assigned |
| 25 | - | Handbrake warning switch -F9- |
| 26 | - | Brake fluid level warning contact -F34- |
| 27 | - | Oil pressure switch -F1- |
| 28 | - | Drive train CAN bus High (without startstop system) |
| - | CAN bus dash panel insert High (for startstop system) | |
| 29 | - | Drive train CAN bus Low (without startstop system) |
| - | CAN bus dash panel insert Low (for startstop system) | |
| 30 | - | Fog light warning light -K17- |
| 31 | - | Terminal 15 - Input |
| 32 | - | Terminal 30 - Input |
| Display control in dash panel insert K |
| Display | Signal source |
| Fuel gauge -G1- | T32a1, T32a2 |
| Coolant temperature gauge -G3- | CAN bus Engine control unit -J623- |
| Rev. counter -G5- | CAN bus Engine control unit -J623- |
| Speedometer -G21- | T32a10, CAN bus ABS control unit -J104- |
| Buzzer and gong -H3- | CAN bus Control unit in dash panel insert -J285- |
| Multi-function display -J119- | T32a19, 21, 22, 23, CAN bus Engine control unit -J623- , Control unit in dash panel insert -J285- |
| Digital clock -Y2- | CAN bus Control unit in dash panel insert -J285- |
| Odometer display -Y4- | CAN bus Control unit in dash panel insert -J285- |
| Selector lever position indicator -Y6- | CAN bus Automatic gearbox control unit -J217- , Double clutch gearbox mechatronics -J743- |
|
|
| Pin assignment, as of September 2012 |
| A | - | 73-pin connector (black) - T73a |
| B | - | 73-pin connector (white) - T73b |
| 73-pin connector -T73a- (black) |
| 1 | - | not assigned |
| 2 | - | not assigned (without startstop system) |
| - | Output for dipped beam bulb, left -M29- (for startstop system) | |
| 3 | - | not assigned |
| 4 | - | Output for Interior light (31) |
| 5 | - | not assigned (without startstop system) |
| - | Output for day driving light bulb, right -L175- (for startstop system) | |
| 6 | - | not assigned (without startstop system) |
| - | Output for tail and rear fog light bulb, left -M41- (for startstop system and only for vehicles with left-hand drive) | |
| - | Output for tail and rear fog light bulb, right -M42- (for startstop system and only for vehicles with right-hand drive) | |
| 7 | - | Input of light switch -E1- (fog lights) |
| 8 | - | not assigned |
| 9 | - | not assigned |
| 10 | - | Output for central locking motor in rear lid -V53- |
| 11 | - | Output for central locking motor in driver door -V56- , central locking motor in front passenger door -V57- , central locking motor in rear left door, lock -V214- , central locking motor in rear right door, lock -V215- |
| 12 | - | Output for central locking motor in driver door -V56- , motor for SAFE function of central locking in driver door -V161- |
| 13 | - | Output for motor for SAFE function of central locking in driver door -V161- , motor for SAFE function of central locking in front passenger door -V162- , motor for SAFE function of central locking in rear left door -V163- , motor for SAFE function of central locking in rear right door -V164- |
| 14 | - | Input (31) - for central locking |
| 15 | - | Output for central locking motor in front passenger door -V57- , motor for SAFE function of central locking in front passenger door -V162- , central locking motor in rear left door, lock -V214- , central locking motor in rear right door, lock -V215- |
| 16 | - | Input (30) - for central locking |
| 17 | - | Input of central locking lock unit, rear left -F222- |
| 18 | - | Input of central locking lock unit, rear right -F223- |
| 19 | - | Input of door contact switch, driver side -F2- (31) |
| 20 | - | Input of door contact switch, front passenger side -F3- (31) |
| 21 | - | Input of central locking lock unit, front passenger side -F221- |
| 22 | - | Input of central locking lock unit, driver side -F220- |
| 23 | - | Input of rear lid handle release button -E234- (31) |
| 24 | - | Input of central locking lock unit, driver side -F220- , central locking lock unit, front passenger side -F221- |
| 25 | - | Input of interior button for central locking driver's side -E308- |
| 26 | - | Input of door contact switch, rear right -F11- |
| 27 | - | Input of bonnet contact switch -F266- (31) |
| 28 | - | Input of hazard warning light button -E229- (31) |
| 29 | - | Input of horn activation -H- (31) |
| 30 | - | Input of rear lid lock unit -F256- (31) |
| 31 | - | not assigned |
| 32 | - | Input of turn signal switch -E2- (right turn signal) (31) |
| 33 | - | Input of turn signal switch -E2- (left turn signal) (31) |
| 34 | - | Input of door contact switch, rear left -F10- |
| 35 | - | not assigned |
| 36 | - | Output for seat heating |
| 37 | - | not assigned |
| 38 | - | Output for heated exterior mirror, driver side, heated exterior mirror, front passenger side |
| 39 | - | Input (31) |
| 40 | - | Output for side light bulb, right -M3- (58R), Tail light bulb, right -M2- , Brake and tail light bulb, right -M22- , Tail and rear fog light bulb, right -M42- |
| 41 | - | Output for side light bulb, left -M1- (58L), Tail light bulb, left -M4- , Brake and tail light bulb, left -M21- , Tail and rear fog light bulb, left -M41- |
| 42 | - | Input of ignition starter switch -D- (86s) |
| 43 | - | Input of brake light switch -F- (54) |
| 44 | - | Input of ignition starter switch -D- (15) |
| 45 | - | Input of light switch -E1- (58R) |
| 46 | - | not assigned |
| 47 | - | not assigned |
| 48 | - | not assigned |
| 49 | - | Output for headlight washer system relay -J39- |
| 50 | - | not assigned |
| 51 | - | not assigned |
| 52 | - | Output for fuel supply relay -J643- (31), fuel pump control unit -J538- |
| 53 | - | not assigned |
| 54 | - | Output for X contact relief relay 2 -J339- (for start-stop system) |
| 55 | - | not assigned |
| 56 | - | Output for hazard warning light system warning light -K6- + bulb for button illumination -L76- |
| 57 | - | Output for deactivation warning light of interior monitoring and vehicle inclination -K248- |
| 58 | - | Output for warning light for SAFE function of central locking -K133- |
| 59 | - | Output for interior locking warning light, driver side -K174- |
| 60 | - | Output for heated rear window warning light -K10- |
| 61 | - | not assigned |
| 62 | - | Input (56a) of headlight dipperflasher switch -E4- (for startstop system) |
| 63 | - | not assigned (without startstop system) |
| - | Input (30) (for startstop system) | |
| 64 | - | Input for heated exterior mirror driver's side -Z4- , heated exterior mirror front passenger's side -Z5- |
| 65 | - | Output for front interior light -W1- , rear interior light -W43- , glove box light -W6- , luggage compartment light, left -W18- |
| 66 | - | Input for front interior light -W1- , rear interior light -W43- , glove box light -W6- , luggage compartment light, left -W18- |
| 67 | - | not assigned |
| 68 | - | Input for windscreen wiper motor -V- (30) |
| 69 | - | Output for windscreen wiper motor -V- (1st stage) |
| 70 | - | Input (31) |
| 71 | - | Output for windscreen wiper motor -V- (2nd stage) |
| 72 | - | Output for high tone horn -H2- , low tone horn -H7- |
| 73 | - | Input (30) for high tone horn -H2- , low tone horn -H7- |
| 73-pin connector -T73b- (white) |
| 1 | - | not assigned |
| 2 | - | not assigned (without startstop system) |
| - | Output for dipped beam bulb, right -M31- (for startstop system) | |
| 3 | - | not assigned (without startstop system) |
| - | Output for day driving light bulb, left -L174- (for startstop system) | |
| 4 | - | not assigned |
| 5 | - | not assigned |
| 6 | - | not assigned |
| 7 | - | not assigned (without startstop system) |
| - | Output for number plate light, left -X4- , number plate light, right -X5- (for startstop system) | |
| 8 | - | not assigned |
| 9 | - | Output for fog light bulb, left -L22- , static cornering light, left -M51- |
| 10 | - | Output for fog light bulb, right -L23- , static cornering light, right -M52- |
| 11 | - | Input for static cornering light left -M51- , static cornering light right -M52- , Lamp for fog-light left -L22- , Bulb for fog light right -L23- , Bulb for reverse light left -M16- , Bulb for reverse light right -M17- (30) |
| 12 | - | Output for reversing light bulb, left -M16- , reversing light bulb, right -M17- |
| 13 | - | Input for turn signal, brake light (30) |
| 14 | - | Output for turn signal bulb, front left -M5- , turn signal bulb, rear left -M6- , side turn signal bulb, left -M18- |
| 15 | - | Output for turn signal bulb, front right -M7- , turn signal bulb, rear right -M8- , side turn signal bulb, right -M19- |
| 16 | - | Output for brake and tail light bulb, left -M21- , brake and tail light bulb, right -M22- , bulb for high level brake light -M25- (54) |
| 17 | - | LIN bus Multi-function steering wheel control unit -J453- |
| 18 | - | Drive train CAN bus, low |
| 19 | - | Drive train CAN bus, high |
| 20 | - | Convenience CAN bus, high |
| 21 | - | Convenience CAN bus, low |
| 22 | - | Drive train CAN bus low (switched) |
| 23 | - | Drive train CAN bus high (switched) |
| 24 | - | LIN bus interior monitoring sensor -G273- , vehicle inclination sender -G384- |
| 25 | - | not assigned |
| 26 | - | not assigned |
| 27 | - | Input of intermittent wiper switch -E22- (1st stage) |
| 28 | - | not assigned |
| 29 | - | not assigned |
| 30 | - | Input of deactivation button of interior monitoring and vehicle inclination -E616- |
| 31 | - | Input of heated rear window button -E230- (31) |
| 32 | - | Input of windscreen wiper motor -V- |
| 33 | - | not assigned |
| 34 | - | Input of light switch -E1- (58L) |
| 35 | - | not assigned |
| 36 | - | LIN bus alarm horn -H12- |
| 37 | - | LIN bus battery monitoring (for startstop system) |
| 38 | - | Input (31) |
| 39 | - | Input (30) |
| 40 | - | not assigned |
| 41 | - | not assigned |
| 42 | - | not assigned |
| 43 | - | not assigned (without startstop system) |
| - | Input of fog light and rear fog light switch -E23- (for startstop system) | |
| 44 | - | Input of CCS SET button -E227- (SET-) |
| 45 | - | Input of CCS switch -E45- (onoff) |
| 46 | - | Input of CCS SET button -E227- (RES+) |
| 47 | - | Input of CCS switch -E45- (off) |
| 48 | - | Input of reversing light switch -F4- (not valid for vehicles with automatic gearbox) |
| 49 | - | Input of alternator with voltage regulator -CX1- terminal L (without startstop system) |
| 50 | - | Input of ignition starter switch -D- (50) |
| 51 | - | Input of ignition starter switch -D- (75) (without startstop system) |
| 52 | - | Input of light switch -E1- (for headlight washer system) |
| 53 | - | Input of intermittent wiper switch -E22- (2nd stage) |
| 54 | - | CAN bus dash panel insert High (for startstop system) |
| 55 | - | not assigned |
| 56 | - | not assigned |
| 57 | - | CAN bus dash panel insert Low (for startstop system) |
| 58 | - | Input of exterior mirror heating button |
| 59 | - | Input of fuse in fuse holder A on the battery (30 analogue) |
| 60 | - | Input (31 analog) |
| 61 | - | Input of rear wiper switch -E34- |
| - | Output for rear window wiper motor -V12- | |
| 62 | - | Input of intermittent wiper control -E38- |
| 63 | - | Output for heated rear window -Z1- |
| 64 | - | not assigned |
| 65 | - | not assigned |
| 66 | - | not assigned |
| 67 | - | Input for heated rear window -Z1- (30) |
| 68 | - | not assigned (without startstop system) |
| - | Input (30) (for startstop system) | |
| 69 | - | not assigned |
| 70 | - | not assigned |
| 71 | - | not assigned |
| 72 | - | not assigned |
| 73 | - | not assigned |
| Pin assignment, as of November 2012 |
| A | - | 73-pin connector (black) - T73a |
| B | - | 73-pin connector (white) - T73b |
| 73-pin connector -T73a- (black) |
| 1 | - | not assigned |
| 2 | - | not assigned (without startstop system) |
| - | Output for dipped beam bulb, left -M29- (for startstop system) | |
| 3 | - | not assigned |
| 4 | - | Output for Interior light (31) |
| 5 | - | not assigned (without startstop system) |
| - | Output for day driving light bulb, right -L175- (for startstop system) | |
| 6 | - | not assigned (without startstop system) |
| - | Output for tail and rear fog light bulb, left -M41- (for startstop system and only for vehicles with left-hand drive) | |
| - | Output for tail and rear fog light bulb, right -M42- (for startstop system and only for vehicles with right-hand drive) | |
| 7 | - | Input of light switch -E1- (fog lights) |
| 8 | - | not assigned |
| 9 | - | not assigned |
| 10 | - | Output for central locking motor in rear lid -V53- |
| 11 | - | Output for central locking motor in driver door -V56- , central locking motor in front passenger door -V57- , central locking motor in rear left door, lock -V214- , central locking motor in rear right door, lock -V215- |
| 12 | - | Output for central locking motor in driver door -V56- , motor for SAFE function of central locking in driver door -V161- |
| 13 | - | Output for motor for SAFE function of central locking in driver door -V161- , motor for SAFE function of central locking in front passenger door -V162- , motor for SAFE function of central locking in rear left door -V163- , motor for SAFE function of central locking in rear right door -V164- |
| 14 | - | Input (31) - for central locking |
| 15 | - | Output for central locking motor in front passenger door -V57- , motor for SAFE function of central locking in front passenger door -V162- , central locking motor in rear left door, lock -V214- , central locking motor in rear right door, lock -V215- |
| 16 | - | Input (30) - for central locking |
| 17 | - | Input of central locking lock unit, rear left -F222- |
| 18 | - | Input of central locking lock unit, rear right -F223- |
| 19 | - | Input of door contact switch, driver side -F2- (31) |
| 20 | - | Input of door contact switch, front passenger side -F3- (31) |
| 21 | - | Input of central locking lock unit, front passenger side -F221- |
| 22 | - | Input of central locking lock unit, driver side -F220- |
| 23 | - | Input of rear lid handle release button -E234- (31) |
| 24 | - | Input of central locking lock unit, driver side -F220- , central locking lock unit, front passenger side -F221- |
| 25 | - | Input of interior button for central locking driver's side -E308- |
| 26 | - | Input of door contact switch, rear right -F11- |
| 27 | - | Input of bonnet contact switch -F266- (31) |
| 28 | - | Input of hazard warning light button -E229- (31) |
| 29 | - | Input of horn activation -H- (31) |
| 30 | - | Input of rear lid lock unit -F256- (31) |
| 31 | - | not assigned |
| 32 | - | Input of turn signal switch -E2- (right turn signal) (31) |
| 33 | - | Input of turn signal switch -E2- (left turn signal) (31) |
| 34 | - | Input of door contact switch, rear left -F10- |
| 35 | - | not assigned |
| 36 | - | Output for seat heating |
| 37 | - | not assigned |
| 38 | - | Output for heated exterior mirror, driver side, heated exterior mirror, front passenger side |
| 39 | - | Input (31) |
| 40 | - | Output for side light bulb, right -M3- (58R), Tail light bulb, right -M2- , Brake and tail light bulb, right -M22- , Tail and rear fog light bulb, right -M42- |
| 41 | - | Output for side light bulb, left -M1- (58L), Tail light bulb, left -M4- , Brake and tail light bulb, left -M21- , Tail and rear fog light bulb, left -M41- |
| 42 | - | Input of ignition starter switch -D- (86s) |
| 43 | - | Input of brake light switch -F- (54) |
| 44 | - | Input of ignition starter switch -D- (15) |
| 45 | - | Input of light switch -E1- (58R) |
| 46 | - | not assigned |
| 47 | - | not assigned |
| 48 | - | not assigned |
| 49 | - | Output for headlight washer system relay -J39- |
| 50 | - | not assigned |
| 51 | - | not assigned |
| 52 | - | Output for fuel supply relay -J643- (31), fuel pump control unit -J538- |
| 53 | - | not assigned |
| 54 | - | Output for X contact relief relay 2 -J339- (for start-stop system) |
| 55 | - | Output for starter lock relay -J207- |
| 56 | - | Output for hazard warning light system warning light -K6- + bulb for button illumination -L76- |
| 57 | - | Output for deactivation warning light of interior monitoring and vehicle inclination -K248- |
| 58 | - | Output for warning light for SAFE function of central locking -K133- |
| 59 | - | Output for interior locking warning light, driver side -K174- |
| 60 | - | Output for heated rear window warning light -K10- |
| 61 | - | not assigned |
| 62 | - | Input (56a) of headlight dipperflasher switch -E4- (for startstop system) |
| 63 | - | not assigned (without startstop system) |
| - | Input (30) (for startstop system) | |
| 64 | - | Input for heated exterior mirror driver's side -Z4- , heated exterior mirror front passenger's side -Z5- |
| 65 | - | Output for front interior light -W1- , rear interior light -W43- , glove box light -W6- , luggage compartment light, left -W18- |
| 66 | - | Input for front interior light -W1- , rear interior light -W43- , glove box light -W6- , luggage compartment light, left -W18- |
| 67 | - | not assigned |
| 68 | - | Input for windscreen wiper motor -V- (30) |
| 69 | - | Output for windscreen wiper motor -V- (1st stage) |
| 70 | - | Input (31) |
| 71 | - | Output for windscreen wiper motor -V- (2nd stage) |
| 72 | - | Output for high tone horn -H2- , low tone horn -H7- |
| 73 | - | Input (30) for high tone horn -H2- , low tone horn -H7- |
| 73-pin connector -T73b- (white) |
| 1 | - | not assigned |
| 2 | - | not assigned (without startstop system) |
| - | Output for dipped beam bulb, right -M31- (for startstop system) | |
| 3 | - | not assigned (without startstop system) |
| - | Output for day driving light bulb, left -L174- (for startstop system) | |
| 4 | - | not assigned |
| 5 | - | not assigned |
| 6 | - | not assigned |
| 7 | - | not assigned (without startstop system) |
| - | Output for number plate light, left -X4- , number plate light, right -X5- (for startstop system) | |
| 8 | - | not assigned |
| 9 | - | Output for fog light bulb, left -L22- , static cornering light, left -M51- |
| 10 | - | Output for fog light bulb, right -L23- , static cornering light, right -M52- |
| 11 | - | Input for static cornering light left -M51- , static cornering light right -M52- , Lamp for fog-light left -L22- , Bulb for fog light right -L23- , Bulb for reverse light left -M16- , Bulb for reverse light right -M17- (30) |
| 12 | - | Output for reversing light bulb, left -M16- , reversing light bulb, right -M17- |
| 13 | - | Input for turn signal, brake light (30) |
| 14 | - | Output for turn signal bulb, front left -M5- , turn signal bulb, rear left -M6- , side turn signal bulb, left -M18- |
| 15 | - | Output for turn signal bulb, front right -M7- , turn signal bulb, rear right -M8- , side turn signal bulb, right -M19- |
| 16 | - | Output for brake and tail light bulb, left -M21- , brake and tail light bulb, right -M22- , bulb for high level brake light -M25- (54) |
| 17 | - | LIN bus Multi-function steering wheel control unit -J453- |
| 18 | - | Drive train CAN bus, low |
| 19 | - | Drive train CAN bus, high |
| 20 | - | Convenience CAN bus, high |
| 21 | - | Convenience CAN bus, low |
| 22 | - | Drive train CAN bus low (switched) |
| 23 | - | Drive train CAN bus high (switched) |
| 24 | - | LIN bus interior monitoring sensor -G273- , vehicle inclination sender -G384- |
| 25 | - | not assigned |
| 26 | - | not assigned |
| 27 | - | Input of intermittent wiper switch -E22- (1st stage) |
| 28 | - | not assigned |
| 29 | - | not assigned |
| 30 | - | Input of deactivation button of interior monitoring and vehicle inclination -E616- |
| 31 | - | Input of heated rear window button -E230- (31) |
| 32 | - | Input of windscreen wiper motor -V- |
| 33 | - | not assigned |
| 34 | - | Input of light switch -E1- (58L) |
| 35 | - | not assigned |
| 36 | - | LIN bus alarm horn -H12- |
| 37 | - | LIN bus battery monitoring (for startstop system) |
| 38 | - | Input (31) |
| 39 | - | Input (30) |
| 40 | - | not assigned |
| 41 | - | not assigned |
| 42 | - | not assigned |
| 43 | - | not assigned (without startstop system) |
| - | Input of fog light and rear fog light switch -E23- (for startstop system) | |
| 44 | - | Input of CCS SET button -E227- (SET-) |
| 45 | - | Input of CCS switch -E45- (onoff) |
| 46 | - | Input of CCS SET button -E227- (RES+) |
| 47 | - | Input of CCS switch -E45- (off) |
| 48 | - | Input of reversing light switch -F4- (not valid for vehicles with automatic gearbox) |
| 49 | - | Input of alternator with voltage regulator -CX1- terminal L (without startstop system) |
| 50 | - | Input of ignition starter switch -D- (50) |
| 51 | - | Input of ignition starter switch -D- (75) (without startstop system) |
| 52 | - | Input of light switch -E1- (for headlight washer system) |
| 53 | - | Input of intermittent wiper switch -E22- (2nd stage) |
| 54 | - | CAN bus dash panel insert High (for startstop system) |
| 55 | - | Input of dual clutch gearbox mechatronics -J743- (without start-stop system) |
| 56 | - | not assigned |
| 57 | - | CAN bus dash panel insert Low (for startstop system) |
| 58 | - | Input of exterior mirror heating button |
| 59 | - | Input (30 analog) |
| 60 | - | Input (31 analog) |
| 61 | - | Input of rear wiper switch -E34- |
| - | Output for rear window wiper motor -V12- | |
| 62 | - | Input of intermittent wiper control -E38- |
| 63 | - | Output for heated rear window -Z1- |
| 64 | - | not assigned |
| 65 | - | not assigned |
| 66 | - | not assigned |
| 67 | - | Input for heated rear window -Z1- (30) |
| 68 | - | not assigned (without startstop system) |
| - | Input (30) (for startstop system) | |
| 69 | - | not assigned |
| 70 | - | not assigned |
| 71 | - | not assigned |
| 72 | - | not assigned |
| 73 | - | not assigned |
| Pin assignment, as of May 2013 |
| A | - | 73-pin connector (black) - T73a |
| B | - | 73-pin connector (white) - T73b |
| 73-pin connector -T73a- (black) |
| 1 | - | not assigned |
| 2 | - | not assigned (without startstop system) |
| - | Output for dipped beam bulb, left -M29- (for startstop system) | |
| 3 | - | not assigned |
| 4 | - | Output for Interior light (31) |
| 5 | - | not assigned (without startstop system) |
| - | Output for day driving light bulb, right -L175- (for startstop system) | |
| 6 | - | not assigned (without startstop system) |
| - | Output for tail and rear fog light bulb, left -M41- (for startstop system and only for vehicles with left-hand drive) | |
| - | Output for tail and rear fog light bulb, right -M42- (for startstop system and only for vehicles with right-hand drive) | |
| 7 | - | Input of light switch -E1- (fog lights) |
| 8 | - | not assigned |
| 9 | - | not assigned |
| 10 | - | Output for central locking motor in rear lid -V53- |
| 11 | - | Output for central locking motor in driver door -V56- , central locking motor in front passenger door -V57- , central locking motor in rear left door, lock -V214- , central locking motor in rear right door, lock -V215- |
| 12 | - | Output for central locking motor in driver door -V56- , motor for SAFE function of central locking in driver door -V161- , tank filler flap locking motor -V155- |
| 13 | - | Output for motor for SAFE function of central locking in driver door -V161- , motor for SAFE function of central locking in front passenger door -V162- , motor for SAFE function of central locking in rear left door -V163- , motor for SAFE function of central locking in rear right door -V164- |
| 14 | - | Input (31) - for central locking |
| 15 | - | Output for central locking motor in front passenger door -V57- , motor for SAFE function of central locking in front passenger door -V162- , central locking motor in rear left door, lock -V214- , central locking motor in rear right door, lock -V215- |
| 16 | - | Input (30) - for central locking |
| 17 | - | Input of central locking lock unit, rear left -F222- |
| 18 | - | Input of central locking lock unit, rear right -F223- |
| 19 | - | Input of door contact switch, driver side -F2- (31) |
| 20 | - | Input of door contact switch, front passenger side -F3- (31) |
| 21 | - | Input of central locking lock unit, front passenger side -F221- |
| 22 | - | Input of central locking lock unit, driver side -F220- |
| 23 | - | Input of rear lid handle release button -E234- (31) |
| 24 | - | Input of central locking lock unit, driver side -F220- , central locking lock unit, front passenger side -F221- |
| 25 | - | Input of interior button for central locking driver's side -E308- |
| 26 | - | Input of door contact switch, rear right -F11- |
| 27 | - | Input of bonnet contact switch -F266- (31) |
| 28 | - | Input of hazard warning light button -E229- (31) |
| 29 | - | Input of horn activation -H- (31) |
| 30 | - | Input of rear lid lock unit -F256- (31) |
| 31 | - | not assigned |
| 32 | - | Input of turn signal switch -E2- (right turn signal) (31) |
| 33 | - | Input of turn signal switch -E2- (left turn signal) (31) |
| 34 | - | Input of door contact switch, rear left -F10- |
| 35 | - | not assigned |
| 36 | - | Output for seat heating |
| 37 | - | not assigned |
| 38 | - | Output for heated exterior mirror, driver side, heated exterior mirror, front passenger side |
| 39 | - | Input (31) |
| 40 | - | Output for side light bulb, right -M3- (58R), Tail light bulb, right -M2- , Brake and tail light bulb, right -M22- , Tail and rear fog light bulb, right -M42- |
| 41 | - | Output for side light bulb, left -M1- (58L), Tail light bulb, left -M4- , Brake and tail light bulb, left -M21- , Tail and rear fog light bulb, left -M41- |
| 42 | - | Input of ignition starter switch -D- (86s) |
| 43 | - | Input of brake light switch -F- (54) |
| 44 | - | Input of ignition starter switch -D- (15) |
| 45 | - | Input of light switch -E1- (58R) |
| 46 | - | not assigned |
| 47 | - | not assigned |
| 48 | - | not assigned |
| 49 | - | Output for headlight washer system relay -J39- |
| 50 | - | not assigned |
| 51 | - | not assigned |
| 52 | - | Output for fuel supply relay -J643- (31), fuel pump control unit -J538- |
| 53 | - | not assigned |
| 54 | - | Output for X contact relief relay 2 -J339- (for start-stop system) |
| 55 | - | Output for starter lock relay -J207- |
| 56 | - | Output for hazard warning light system warning light -K6- + bulb for button illumination -L76- |
| 57 | - | Output for deactivation warning light of interior monitoring and vehicle inclination -K248- |
| 58 | - | Output for warning light for SAFE function of central locking -K133- |
| 59 | - | Output for interior locking warning light, driver side -K174- |
| 60 | - | Output for heated rear window warning light -K10- |
| 61 | - | not assigned |
| 62 | - | Input (56a) of headlight dipperflasher switch -E4- (for startstop system) |
| 63 | - | not assigned (without startstop system) |
| - | Input (30) (for startstop system) | |
| 64 | - | Input for heated exterior mirror driver's side -Z4- , heated exterior mirror front passenger's side -Z5- |
| 65 | - | Output for front inside light -W1- , rear inside light -W43- , rear left reading light -W11- , rear right reading light -W12- , glove compartment light -W6- , left glovebox light -W18- |
| 66 | - | Input for front inside light -W1- , rear inside light -W43- , rear left reading light -W11- , rear right reading light -W12- , glove compartment light -W6- , left glovebox light -W18- |
| 67 | - | not assigned |
| 68 | - | Input for windscreen wiper motor -V- (30) |
| 69 | - | Output for windscreen wiper motor -V- (1st stage) |
| 70 | - | Input (31) |
| 71 | - | Output for windscreen wiper motor -V- (2nd stage) |
| 72 | - | Output for high tone horn -H2- , low tone horn -H7- |
| 73 | - | Input (30) for high tone horn -H2- , low tone horn -H7- |
| 73-pin connector -T73b- (white) |
| 1 | - | not assigned |
| 2 | - | not assigned (without startstop system) |
| - | Output for dipped beam bulb, right -M31- (for startstop system) | |
| 3 | - | not assigned (without startstop system) |
| - | Output for day driving light bulb, left -L174- (for startstop system) | |
| 4 | - | not assigned |
| 5 | - | not assigned |
| 6 | - | not assigned |
| 7 | - | not assigned (without startstop system) |
| - | Output for number plate light, left -X4- , number plate light, right -X5- (for startstop system) | |
| 8 | - | not assigned |
| 9 | - | Output for fog light bulb, left -L22- , static cornering light, left -M51- |
| 10 | - | Output for fog light bulb, right -L23- , static cornering light, right -M52- |
| 11 | - | Input for static cornering light left -M51- , static cornering light right -M52- , Lamp for fog-light left -L22- , Bulb for fog light right -L23- , Bulb for reverse light left -M16- , Bulb for reverse light right -M17- (30) |
| 12 | - | Output for reversing light bulb, left -M16- , reversing light bulb, right -M17- |
| 13 | - | Input for turn signal, brake light (30) |
| 14 | - | Output for turn signal bulb, front left -M5- , turn signal bulb, rear left -M6- , side turn signal bulb, left -M18- |
| 15 | - | Output for turn signal bulb, front right -M7- , turn signal bulb, rear right -M8- , side turn signal bulb, right -M19- |
| 16 | - | Output for brake and tail light bulb, left -M21- , brake and tail light bulb, right -M22- , bulb for high level brake light -M25- (54) |
| 17 | - | LIN bus Multi-function steering wheel control unit -J453- |
| 18 | - | Drive train CAN bus, low |
| 19 | - | Drive train CAN bus, high |
| 20 | - | Convenience CAN bus, high |
| 21 | - | Convenience CAN bus, low |
| 22 | - | Drive train CAN bus low (switched) |
| 23 | - | Drive train CAN bus high (switched) |
| 24 | - | LIN bus interior monitoring sensor -G273- , vehicle inclination sender -G384- |
| 25 | - | not assigned |
| 26 | - | not assigned |
| 27 | - | Input of intermittent wiper switch -E22- (1st stage) |
| 28 | - | not assigned |
| 29 | - | not assigned |
| 30 | - | Input of deactivation button of interior monitoring and vehicle inclination -E616- |
| 31 | - | Input of heated rear window button -E230- (31) |
| 32 | - | Input of windscreen wiper motor -V- |
| 33 | - | not assigned |
| 34 | - | Input of light switch -E1- (58L) |
| 35 | - | not assigned |
| 36 | - | LIN bus alarm horn -H12- |
| 37 | - | LIN bus battery monitoring (for startstop system) |
| 38 | - | Input (31) |
| 39 | - | Input (30) |
| 40 | - | not assigned |
| 41 | - | not assigned |
| 42 | - | not assigned |
| 43 | - | not assigned (without startstop system) |
| - | Input of fog light and rear fog light switch -E23- (for startstop system) | |
| 44 | - | Input of CCS SET button -E227- (SET-) |
| 45 | - | Input of CCS switch -E45- (onoff) |
| 46 | - | Input of CCS SET button -E227- (RES+) |
| 47 | - | Input of CCS switch -E45- (off) |
| 48 | - | Input of reversing light switch -F4- (not valid for vehicles with automatic gearbox) |
| 49 | - | Input of alternator with voltage regulator -CX1- terminal L (without startstop system) |
| 50 | - | Input of ignition starter switch -D- (50) |
| 51 | - | Input of ignition starter switch -D- (75) (without startstop system) |
| 52 | - | Input of light switch -E1- (for headlight washer system) |
| 53 | - | Input of intermittent wiper switch -E22- (2nd stage) |
| 54 | - | CAN bus dash panel insert High (for startstop system) |
| 55 | - | Input of dual clutch gearbox mechatronics -J743- , Control unit for automatic gearbox -J217- (without start-stop system) |
| 56 | - | not assigned |
| 57 | - | CAN bus dash panel insert Low (for startstop system) |
| 58 | - | Input of exterior mirror heating button |
| 59 | - | Input (30 analog) |
| 60 | - | Input (31 analog) |
| 61 | - | Input of rear wiper switch -E34- |
| - | Output for rear window wiper motor -V12- | |
| 62 | - | Input of intermittent wiper control -E38- |
| 63 | - | Output for heated rear window -Z1- |
| 64 | - | not assigned |
| 65 | - | not assigned |
| 66 | - | not assigned |
| 67 | - | Input for heated rear window -Z1- (30) |
| 68 | - | not assigned (without startstop system) |
| - | Input (30) (for startstop system) | |
| 69 | - | not assigned |
| 70 | - | not assigned |
| 71 | - | not assigned |
| 72 | - | not assigned |
| 73 | - | not assigned |
|
| 52-pin + 28-pin assignment |
| A | - | Engine control unit -J623- |
| B | - | 28-pin connector, at wiring harness - T28e |
| C | - | 52-pin connector, at wiring harness - T52a |
| 94-pin + 60-pin assignment |
| A | - | Engine control unit -J623- |
| B | - | 94-pin connector, at wiring harness - T94a |
| C | - | 60-pin connector, at wiring harness - T60a |
| 81-pin + 40-pin assignment |
| A | - | Engine control unit -J623- |
| B | - | 81-pin connector, at wiring harness - T81a |
| C | - | 40-pin connector, at wiring harness - T40a |
|
|
| Pin assignment |
| A | - | Windscreen wiper motor -V- |
| B | - | 4-pin connector, at wiring harness - T4a |
|
|
| Pin assignment |
| A | - | Power steering control unit -J500- |
| B | - | 3-pin connector, at wiring harness - T3t |
| C | - | 2-pin connector, at wiring harness - T2j |
| D | - | 4-pin connector, at wiring harness - T4s |
|
|
|
| Fuse assignment (not valid for engine identification characters CAXA) |
| A | - | Radiator fan control unit -J293- |
| B | - | 10-pin connector, at wiring harness - T10h |
| Fuse assignment (valid for engine identification characters CAXA) |
| A | - | Radiator fan control unit -J293- |
| B | - | 4-pin connector, at wiring harness - T4ad |
|
|
|
| A | - | Double clutch gearbox mechatronics -J743- |
| B | - | 25-pin connector, at wiring harness - T25a |
Note
|
|
| A | - | 4-pin connector, at wiring harness - T4j |
Note
|
|
| |
| A | - | 4-pin connector, at wiring harness - T4m |
| B | - | 6-pin connector, at wiring harness - T6f |
|
|
|
| 1 | - | Terminal 30 |
| 2 | - | TCS and ESP button -E256- |
| 3 | - | Rear right speed sensor -G44- |
| 4 | - | Rear right speed sensor -G44- |
| 5 | - | not assigned |
| 6 | - | not assigned |
| 7 | - | Tyre pressure monitor button -E226- |
| 8 | - | Drive train CAN bus, low |
| 9 | - | Drive train CAN bus, high |
| 10 | - | Front right speed sensor -G45- |
| 11 | - | Front right speed sensor -G45- |
| 12 | - | not assigned |
| 13 | - | Earth |
| 14 | - | not assigned |
| 15 | - | not assigned |
| 16 | - | not assigned |
| 17 | - | not assigned |
| 18 | - | not assigned |
| 19 | - | not assigned |
| 20 | - | not assigned |
| 21 | - | not assigned |
| 22 | - | not assigned |
| 23 | - | not assigned |
| 24 | - | not assigned |
| 25 | - | Terminal 30 |
| 26 | - | not assigned |
| 27 | - | Terminal 30 |
| 28 | - | Terminal 15 |
| 29 | - | Rear left speed sensor -G46- |
| 30 | - | Rear left speed sensor -G46- |
| 31 | - | not assigned |
| 32 | - | not assigned |
| 33 | - | not assigned |
| 34 | - | not assigned |
| 35 | - | Front left speed sensor -G47- |
| 36 | - | Front left speed sensor -G47- |
| 37 | - | not assigned |
| 38 | - | Earth |
|
|
| Pin assignment |
| A | - | Airbag control unit -J234- |
| B | - | 50-pin connector, at wiring harness - T50a |
|
|
| Multimedia system control unit -J650- |
| Pin assignment |
| A | - | Multimedia system control unit -J650- |
| B | - | 12-pin connector, at wiring harness - T12f |
| Fresh air and air recirculating flap control unit -J251- |
| Pin assignment |
| A | - | Fresh air and air recirculating flap control unit -J251- |
| B | - | 16-pin connector, at wiring harness - T16e |
| C | - | 5-pin connector, at wiring harness - T5d |
| D | - | not assigned |
| Pin assignment Air conditioning system control unit -J301- |
| Pin assignment |
| A | - | Air conditioning system control unit -J301- |
| B | - | 16-pin connector, at wiring harness - T16f |
| C | - | 5-pin connector, at wiring harness - T5d |
| D | - | 18-pin connector, at wiring harness - T18a |
| Climatronic control unit -J255- |
| Pin assignment |
| A | - | Climatronic control unit -J255- |
| B | - | 20-pin connector, at wiring harness - T20a |
| C | - | 16-pin connector, at wiring harness - T16g |
