Central electrical unit 342 in engine compartment (UEC)
Central electrical unit 342 in engine compartment (UEC) |
Location |
The central electrical unit is located between the battery and the left front wing.
Main task |
To be the central electrical unit for the front part of the car and manage certain parts of the logic for front lighting and visibility and signal system.
Distributes current from the battery to other central electrical units.
The central electrical unit contains the transport fuse (fuse 37).
Type |
The central electrical unit with relays, maxi and micro fuses as well as integrated control module for logic functions.
Connection |
The fuse box is connected to the battery and to the grounding points G30A, G31 and G33S. The central electrical unit is connected via three contacts at its bottom to the engine network, front network and main network.
Power circuit for +30
Power circuit for +15
The engine network is connected via contact M
The main network is connected via contact B
Fuses |
The central electrical unit can be equipped with more fuses than those that have a function as listed below. They are then not connected to the car's wiring harness.
Relays |
The central electrical unit can be equipped with more relays than those that have a function as listed below. They are then not connected to the car's wiring harness.
Location | No. | Denomination | Illustration | Diagram |
R1 | 432b | Relay, washer fluid pump, windscreen | ||
R2 | 156 | Relay, A/C compressor (Simtec and EDC16) | EDC16 | |
R3 | -- | |||
R4 | 641 | Relay, pre heating diesel | ||
R5 | 675 | Relay, auxiliary lamp | ||
R6 | 68 | Relay, fan | ||
R7 | 229 | Main relay, engine management system (Simtec and EDC16) | ||
R8 | 517 | Relay +50 | B207 B284 Z19 | |
R9 | 83 | Relay, windscreen wiper | ||
R10 | 432c | Relay, washer fluid pump, rear windscreen | ||
R11 | 757F | Relay, +15, UEC | ||
R12 | 709 | Relay, windscreen wiper, full/half speed | ||
R13 | -- | |||
R14 | 667 | Relay, washer fluid pump, high pressure, headlamp | ||
R15 | -- | |||
R16 | -- |