Vauxhall Workshop Service and Repair Manuals

Survey of System

Function Diagram, Motronic M 1.5.4 (20 SE   X 20 SE)

I             Engine

1            Intake air temperature sensor

2            Throttle valve potentiometer

3            Exhaust gas recirculation valve

4            Injector

5            Knock sensor

6            Control unit

7            Crankshaft pulse pick - up

8            DIS ignition module

9            Coolant temperature sensor

10          Oxygen sensor

11          Catalytic converter

12          Fuel pump

13          Fuel filter

14          Intake manifold

15          Fuel pressure regulator

16          Activated carbon canister

17          Controlled canister purge valve

18          Idle speed adjuster

19          Hot film mass air flow meter