Schematic diagram of a typical Motronic engine management system
Open large image in new tab »
1 - Electronic control unit (ECU)
2 - Speed control relay
3 - Temperature sensor
4 - Air conditioning
5 - Car wiring connector
6 - Throttle switch
7 - Air flow sensor
8 - Speed sensor
9 - Synchronization sensor
10 - Relay 1
11 - Relay2
12 - Oil pressure sensor
13 - Temperature transmitter
14 - Check connector
15 - Engine plug
16 - Battery
17 — Spark plugs
18 — the Distributor of ignition
19 - Ignition coil
20 - Starter
21 - Generator
22 - position transmitter
23 - Plug disconnected for automatic transmission
24 - Coolant temperature sensor
25 - Fuel injector
26 - Solenoid valve
27 - Power distributor
28 - Oil pressure
29 - Temperature meter
30 - Electric fuel pump
31 - Reminder of the due date of scheduled maintenance
32 - Drive motor
33 - Temperature sensor
2 - Speed control relay
3 - Temperature sensor
4 - Air conditioning
5 - Car wiring connector
6 - Throttle switch
7 - Air flow sensor
8 - Speed sensor
9 - Synchronization sensor
10 - Relay 1
11 - Relay2
12 - Oil pressure sensor
13 - Temperature transmitter
14 - Check connector
15 - Engine plug
16 - Battery
17 — Spark plugs
18 — the Distributor of ignition
19 - Ignition coil
20 - Starter
21 - Generator
22 - position transmitter
23 - Plug disconnected for automatic transmission
24 - Coolant temperature sensor
25 - Fuel injector
26 - Solenoid valve
27 - Power distributor
28 - Oil pressure
29 - Temperature meter
30 - Electric fuel pump
31 - Reminder of the due date of scheduled maintenance
32 - Drive motor
33 - Temperature sensor