Wiring Diagram For Drivetrain Control Unit - PE54.21-P-2141-97FBA
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Model 205 up to model year 2019 Control unit N127 Model 253 (except 253.99) up to model year 2020 Control unit N127
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Use of wiring diagrams | 178L |
| BI0/13 | Low-temperature circuit temperature sensor | 157L |
| BI0/13 | Low-temperature circuit temperature sensor | 161L |
| BI0/13 | Low-temperature circuit temperature sensor | 164L |
| BI0/13 | Low-temperature circuit temperature sensor | 168L |
| B11/7 | Low-temperature coolant circuit 2 temperature sensor | 154L |
| CAN C | Engine CAN | 11K |
| CAN C | Engine CAN | 15K |
| CAN C | Engine CAN | 19K |
| CAN C | Engine CAN | 7K |
| Code 233 | AUTONOMOUS INTELLIGENT CRUISE CONTROL PLUS | 21E |
| Code 2U1 | Radiator shutters | 100F |
| Code 460 | Canada version | 96D |
| Code 460 | Canada version | 94D |
| Code 489 | AIR BODY CONTROL | 21E |
| Code 494 | USA version | 94D |
| Code 494 | USA version | 96D |
| Code 494 | USA version | 139D |
| Code 5U3 | AIR PANEL | 44H |
| Code F205 | MODEL SERIES 205 | 47H |
| Code F205 | MODEL SERIES 205 | 50H |
| Code F205 | MODEL SERIES 205 | 40H |
| Code F205 | MODEL SERIES 205 | 71H |
| Code F205 | MODEL SERIES 205 | 156G |
| Code F205 | MODEL SERIES 205 | 162G |
| Code F253 | MODEL SERIES 253 | 54J |
| Code F253 | MODEL SERIES 253 | 58J |
| Code F253 | MODEL SERIES 253 | 42H |
| Code F253 | MODEL SERIES 253 | 68J |
| Code F253 | MODEL SERIES 253 | 65J |
| Code F253 | MODEL SERIES 253 | 84H |
| Code F253 | MODEL SERIES 253 | 159G |
| Code F253 | MODEL SERIES 253 | 165G |
| Code F253 | MODEL SERIES 253 | 169A |
| Code L | LEFT-HAND DRIVE | 58H |
| Code L | LEFT-HAND DRIVE | 68H |
| Code L | LEFT-HAND DRIVE | 3E |
| Code L | LEFT-HAND DRIVE | 173G |
| Code M177 | SPARK-IGNITION ENGINE M177 | 47J |
| Code M177 | SPARK-IGNITION ENGINE M177 | 72J |
| Code M177 | SPARK-IGNITION ENGINE M177 | 85J |
| Code M177 | SPARK-IGNITION ENGINE M177 | 17E |
| Code M177 | SPARK-IGNITION ENGINE M177 | 120F |
| Code M177 | SPARK-IGNITION ENGINE M177 | 169A |
| Code M274 | SPARK-IGNITION ENGINE M274 | 54J |
| Code M274 | SPARK-IGNITION ENGINE M274 | 50J |
| Code M274 | SPARK-IGNITION ENGINE M274 | 58J |
| Code M274 | SPARK-IGNITION ENGINE M274 | 9E |
| Code M276 | SPARK-IGNITION ENGINE M276 | 50J |
| Code M276 | SPARK-IGNITION ENGINE M276 | 9E |
| Code M626 | DIESEL ENGINE O626 | 50J |
| Code M626 | DIESEL ENGINE O626 | 5E |
| Code M642 | DIESEL ENGINE OM642 | 68J |
| Code M642 | DIESEL ENGINE OM642 | 65J |
| Code M642 | DIESEL ENGINE OM642 | 13E |
| Code M651 | DIESEL ENGINE OM651 | 58J |
| Code M651 | DIESEL ENGINE OM651 | 50J |
| Code M651 | DIESEL ENGINE OM651 | 54J |
| Code M651 | DIESEL ENGINE OM651 | 5F |
| Code M651 | DIESEL ENGINE OM651 | 5E |
| Code ME04 | Hybrid drive 20 KW VARIANT | 78H |
| Code ME04 | Hybrid drive 20 KW VARIANT | 156G |
| Code ME04 | Hybrid drive 20 KW VARIANT | 131D |
| Code ME05 | HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) | 74H |
| Code ME05 | HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) | 78J |
| Code ME05 | HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) | 144G |
| Code ME05 | HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) | 159G |
| Code ME05 | HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) | 131E |
| Code ME06 | Hybrid drive 50 KW VARIANT (INCLUDING PLUGIN) | 74J |
| Code ME06 | Hybrid drive 50 KW VARIANT (INCLUDING PLUGIN) | 78J |
| Code ME06 | Hybrid drive 50 KW VARIANT (INCLUDING PLUGIN) | 152F |
| Code ME06 | Hybrid drive 50 KW VARIANT (INCLUDING PLUGIN) | 149F |
| Code ME06 | Hybrid drive 50 KW VARIANT (INCLUDING PLUGIN) | 144F |
| Code ME06 | Hybrid drive 50 KW VARIANT (INCLUDING PLUGIN) | 156G |
| Code ME06 | Hybrid drive 50 KW VARIANT (INCLUDING PLUGIN) | 131D |
| Code ME06 | Hybrid drive 50 KW VARIANT (INCLUDING PLUGIN) | 136D |
| Code R | RIGHT-HAND DRIVE | 54H |
| Code R | RIGHT-HAND DRIVE | 65H |
| Code R | RIGHT-HAND DRIVE | 3E |
| Code R | RIGHT-HAND DRIVE | 173G |
| F1/3 | Passenger-side A-pillar fuse box | 3L |
| F32/3 | Engine compartment prefuse box | 114L |
| F32/3 | Engine compartment prefuse box | 127L |
| F32/3f7 | Fuse 7 | 112K |
| F32/3f7 | Fuse 7 | 127K |
| F32/3f9 | Fuse 9 | 125K |
| K40/8 | Engine fuse and relay module | 32L |
| K40/8 | Engine fuse and relay module | 41L |
| K40/8 | Engine fuse and relay module | 110L |
| K40/8 | Engine fuse and relay module | 171L |
| K40/8f120 | Fuse 120 | 108L |
| M16/53 | Left exhaust flap actuator motor | 141L |
| M2/37 | Radiator trim flap actuator motor | 46L |
| M4/7 | Fan motor | 122L |
| M4/7 | Fan motor | 118L |
| M43/6 | Low temperature circuit circulation pump 1 | 56L |
| M43/6 | Low temperature circuit circulation pump 1 | 60L |
| M43/6 | Low temperature circuit circulation pump 1 | 49L |
| M43/6 | Low temperature circuit circulation pump 1 | 53L |
| M43/6 | Low temperature circuit circulation pump 1 | 86L |
| M43/7 | Low temperature circuit circulation pump 2 | 70L |
| M43/7 | Low temperature circuit circulation pump 2 | 73L |
| M43/7 | Low temperature circuit circulation pump 2 | 67L |
| M43/7 | Low temperature circuit circulation pump 2 | 88L |
| M43/7 | Low temperature circuit circulation pump 2 | 76L |
| M45 | Coolant circulation pump | 79L |
| M87 | Radiator shutters actuator motor | 106L |
| N127 | Drivetrain control unit | 4A |
| N127 | Drivetrain control unit | 12A |
| N127 | Drivetrain control unit | 20A |
| N127 | Drivetrain control unit | 29A |
| N127 | Drivetrain control unit | 36A |
| N127 | Drivetrain control unit | 44A |
| N127 | Drivetrain control unit | 52A |
| N127 | Drivetrain control unit | 60A |
| N127 | Drivetrain control unit | 68A |
| N127 | Drivetrain control unit | 76A |
| N127 | Drivetrain control unit | 84A |
| N127 | Drivetrain control unit | 92A |
| N127 | Drivetrain control unit | 100A |
| N127 | Drivetrain control unit | 108A |
| N127 | Drivetrain control unit | 116A |
| N127 | Drivetrain control unit | 124A |
| N127 | Drivetrain control unit | 132A |
| N127 | Drivetrain control unit | 140A |
| N127 | Drivetrain control unit | 148A |
| N127 | Drivetrain control unit | 156A |
| N3/10 | ME-SFI [ME] control unit | 19L |
| N3/10 | ME-SFI [ME] control unit | 11L |
| N3/10 | ME-SFI [ME] control unit | 11L |
| N3/9 | CDI control unit | 7L |
| N3/9 | CDI control unit | 15L |
| N3/9 | CDI control unit | 7L |
| U1095 | Valid for fan motor 600W | 116F |
| U1095 | Valid for fan motor 600W | 118H |
| U1095 | Valid for fan motor 600W | 119H |
| U1096 | Valid for fan motor 850W | 116G |
| U1096 | Valid for fan motor 850W | 118H |
| U1096 | Valid for fan motor 850W | 119H |
| U561 | Valid for Delphi system | 6E |
| U562 | Valid for Bosch system | 6F |
| W15/5 | Left front footwell ground point | 4F |
| W15/5 | Left front footwell ground point | 175H |
| W15/7 | Right front footwell ground point | 4G |
| W16/5 | Left major assembly compartment electronics ground point | 175H |
| W2 | Right front ground point (at lamp unit) | 66H |
| W2 | Right front ground point (at lamp unit) | 70H |
| W2 | Right front ground point (at lamp unit) | 87H |
| W2 | Right front ground point (at lamp unit) | 45C |
| W2 | Right front ground point (at lamp unit) | 88C |
| W2 | Right front ground point (at lamp unit) | 103L |
| W2 | Right front ground point (at lamp unit) | 101L |
| W2/2 | Left front ground point | 120E |
| W9 | Left front ground point (at lamp unit) | 82C |
| W9 | Left front ground point (at lamp unit) | 84C |
| X25/7 | Engine compartment/frame floor assembly electrical connector | 32H |
| X25/7 | Engine compartment/frame floor assembly electrical connector | 39E |
| X25/7 | Engine compartment/frame floor assembly electrical connector | 95J |
| X25/7 | Engine compartment/frame floor assembly electrical connector | 147H |
| X25/7 | Engine compartment/frame floor assembly electrical connector | 170H |
| X26/10 | Vehicle interior/engine electrical connector | 18H |
| X30/21 | Drivetrain CAN (CAN C1) potential distributor electrical connector | 29L |
| X30/27 | Peripherals CAN (CAN PER) potential distributor electrical connector | 37L |
| X30/44 | Hybrid CAN (CAN L) potential distributor electrical connector | 134L |
| Y110 | High-voltage battery cooling system expansion valve | 151L |
| Y140 | High-voltage battery cooling system switchover valve | 138L |
| Y19/3 | Front evaporator shutoff valve | 147L |
| Y73/1 | Low-temperature circuit switchover valve | 82L |
| Y73/1 | Low-temperature circuit switchover valve | 175L |
| Z137z1 | Left door LIN connector sleeve | 176H |
| Z141/1Z1 | Circuit 87 C1 connector sleeve | 83L |
| Z141/1z1 | Circuit 87 C1 connector sleeve | 42C |
| Z141/1z1 | Circuit 87 C1 connector sleeve | 108E |
| Z141/1Z1 | Circuit 87 C1 connector sleeve | 148E |
| Z141/2z1 | Circuit 87C connector sleeve | 62L |
| Z142z1 | Power train control unit LIN connector sleeve | 93L |
| Z148/1z1 | Drivetrain circuit 31 connector sleeve | 154E |
| Z4/3z1 | Tml. 30 connector sleeve | 2F |
| Z50/5z1 | Tml. 15 connector sleeve | 32E |
| Z6/117z1 | Left front ground point connector sleeve (on lamp unit) | 79D |
| Z6/118z1 | Right front ground line connector sleeve (in wiring harness) | 52D |
| Z6/118z1 | Right front ground line connector sleeve (in wiring harness) | 100J |
| Z68/20z1 | Vehicle interior LIN bus connector sleeve | 176G |
| Z68/20z1 | Vehicle interior LIN bus connector sleeve | 97E |