Electrical centre, Trionic T8, 727 in the engine bay

 Location

The electrical centre in front of the battery

 Main task

Act as the electrical centre for the engine management system T8 as well as the petrol pump relay 102, which is located in the compartment under the right A-pillar.

 Type

Electrical centre with relays, maxi and micro-fuses.

 Connect

The electrical centre is integrated into the engine harness.

Power supply, electrical centre Trionic T8

 Fuses

No Amp Type Function Picture
1

-

-

-



2

20

+30

Via relay 443:

heated oxygen sensors

Via relay 102:

fuel pump



3

10

+30

A/C compressor



4

30

+30

Via relay 229:

Trionic T8, switch A

injectors

ignition coils

unit of measure

mass air flow sensor

EVAP canister purge valve

solenoid valve, EVAP shut-off





 Relays

Location No Description Picture Diagram
2

156

A/C compressor relay





3

443

Heated oxygen sensor relay





4

229

Main relay, engine management system



J45

J37