Wiring Diagram For Drivetrain Control Unit - PE54.21-P-2141-97SEA
Model 217 up to model year 2018 Control unit N127
Model 222 up to model year 2018 Control unit N127
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Use of wiring diagrams | 112L |
| A100 | High-voltage battery module | 102L |
| B10/13 | Low-temperature circuit temperature sensor | 81L |
| B94/8 | Battery cooling system temperature sensor | 86L |
| CAN C1 | Drive train CAN | 11K |
| CAN L | Hybrid CAN | 77K |
| CAN PER | Peripherals CAN | 30K |
| Code 1U6 | Refrigerant R744 | 52H |
| Code ME05 | Hybrid drive 85kW/90kW variant (incl. plug-in) | 52H |
| Code ME05 | Hybrid drive 85kW/90kW variant (incl. plug-in) | 32E |
| Code ME05 | Hybrid drive 85kW/90kW variant (incl. plug-in) | 85D |
| F1/3 | Right A-pillar fuse box | 3L |
| F1/3f315 | Fuse 315 | 1K |
| F33 | Rear pre-fuse box | 97L |
| F33f47 | Fuse 47 | 96K |
| Flex E | Chassis FlexRay | 7K |
| K16/3 | Heater booster relay | 94L |
| K40/8 | Engine fuse and relay module | 71L |
| K40/8f119 | Fuse 119 | 66L |
| K40/8f120 | Fuse 120 | 65L |
| K40/8f126 | Fuse 126 | 70L |
| K40/8kJ | HYBRID relay | 69L |
| M4/7 | Fan motor | 44L |
| M4/7 | Fan motor | 47L |
| M4/7 | Fan motor | 51L |
| M43/6 | Low temperature circuit circulation pump 1 | 34L |
| M43/6 | Low temperature circuit circulation pump 1 | 41L |
| M43/7 | Low temperature circuit circulation pump 2 | 37L |
| M43/7 | Low temperature circuit circulation pump 2 | 106L |
| M87 | Radiator shutters actuator motor | 62L |
| N127 | Drivetrain control unit | 4A |
| N127 | Drivetrain control unit | 12A |
| N127 | Drivetrain control unit | 20A |
| N127 | Drivetrain control unit | 28A |
| N127 | Drivetrain control unit | 36A |
| N127 | Drivetrain control unit | 44A |
| N127 | Drivetrain control unit | 53A |
| N127 | Drivetrain control unit | 60A |
| N127 | Drivetrain control unit | 68A |
| N127 | Drivetrain control unit | 79A |
| N127 | Drivetrain control unit | 87A |
| N127 | Drivetrain control unit | 95A |
| N3/10 | ME-SFI [ME] control unit | 19L |
| N3/10 | ME-SFI [ME] control unit | 23L |
| N3/10 | ME-SFI [ME] control unit | 27L |
| N3/9 | CDI control unit | 15L |
| N30/4 | Electronic Stability Program control unit | 7L |
| R23/1 | High-voltage battery cooling circuit heater | 91L |
| U12 | Valid for left-hand drive vehicles | 3D |
| U12 | Valid for left-hand drive vehicles | 5D |
| U12 | Valid for left-hand drive vehicles | 4D |
| U1217 | Valid for model series 217 | 7E |
| U1217 | Valid for model series 217 | 7E |
| U1217 | Valid for model series 217 | 5C |
| U1222 | Valid for model series 222 | 3C |
| U13 | Valid for right-hand drive vehicles | 3D |
| U13 | Valid for right-hand drive vehicles | 5D |
| U180 | Valid for cold countries | 90D |
| U413 | Valid for model 217.3 | 5D |
| U414 | Valid for model 217.4 | 4C |
| U960 | Valid for radiator shutters | 61H |
| U978 | Valid for hybrid drive | 75D |
| W2 | Right front ground point (at lamp unit) | 38H |
| W2 | Right front ground point (at lamp unit) | 42H |
| W2 | Right front ground point (at lamp unit) | 60L |
| W7 | Right wheelhouse trunk ground point | 107E |
| W7/6 | Rear additional battery ground point | 91H |
| W85/1 | Driver footwell frame floor assembly ground point | 36H |
| W85/2 | Front passenger footwell frame floor assembly ground point | 4H |
| X168 | ME-SFI [ME]/CDI control unit vehicle interior wiring harness electrical connector | 26H |
| X18/7 | Vehicle interior and engine compartment electrical connector | 34H |
| X18/7 | Vehicle interior and engine compartment electrical connector | 33H |
| X18/7 | Vehicle interior and engine compartment electrical connector | 43E |
| X18/7 | Vehicle interior and engine compartment electrical connector | 86F |
| X18/7 | Vehicle interior and engine compartment electrical connector | 98F |
| X18/7 | Vehicle interior and engine compartment electrical connector | 69E |
| X30/21 | Drive train CAN (CAN C1) potential distributor electrical connector | 11L |
| X30/27 | Peripherals CAN (CAN PER) potential distributor electrical connector | 30L |
| X30/44 | Hybrid CAN (CAN L) potential distributor electrical connector | 77L |
| Y110 | High-voltage battery cooling system expansion valve | 88L |
| Y140 | High-voltage battery cooling system switchover valve | 89L |
| Y148/1 | Plug-in hybrid CO2 expansion valve | 54L |
| Y73/1 | Low-temperature circuit switchover valve | 57L |
| Z141/2z1 | Circuit 87/C2 connector sleeve | 105E |
| Z1z1 | Connector sleeve 2 in wiring harness | 6E |
| Z1z13 | Circuit 31 connector sleeve | 107G |
| Z1z3 | Circuit 31 connector sleeve | 3F |
| Z1z4 | Circuit 31 connector sleeve | 3E |
| Z206/1 | Battery management system LIN (BMS LIN) connector sleeve | 104G |
| Z243 | Drivetrain LIN connector sleeve | 56G |
| Z243 | Drivetrain LIN connector sleeve | 34E |
| Z243 | Drivetrain LIN connector sleeve | 41E |
| Z244/1 | Connector sleeve, circuit 87/C1 | 62G |
| Z244/1 | Connector sleeve, circuit 87/C1 | 87G |
| Z244/2 | Circuit 87/C2 connector sleeve | 33E |
| Z244/2 | Circuit 87/C2 connector sleeve | 40E |
| Z244/2 | Circuit 87/C2 connector sleeve | 98H |
| Z244/2 | Circuit 87/C2 connector sleeve | 58F |
| Z4/3z1 | Tml. 30 connector sleeve | 1E |
| Z50/5z1 | Tml. 15 connector sleeve | 72E |
| Z6/49z1 | Connector sleeve, ground point at front right (for lamp unit) | 60H |
| Z6/8z1 | Sensor ground connector sleeve | 82G |
| Z6/8z1 | Sensor ground connector sleeve | 86D |