Ford Corsar Repair Manual page 169

E.C.C.S.
Electronic Concentrated Engine Control System (E.C.C.S.)
The E.C.C.S. system is an engine management system. It is designed to control engine fuel requirements, ignition
timing, spark plug switching, radiator cooling fans, torque converter lock-up (AT only), engine idle speed, air
conditioner compressor (where fitted) and an E.C.M (electronic control module) lamp. Incorporated in the system
is a self-diagnostic function for fault identification.
The system consists of input sensors, an electronic control module (E.C.M.) and
actiuators,
the functions of which
are shown
below.
I
Oxygen Sensor
Air/Fuel ratio
P
Air flow meter
Hall effect sensor (Distributor)
Water temperature sensor
Engine Speed
Engine temperature
Vehicle speed sensor
Throttle position sensor
Start signal
lgnition switch
Throttle valve position
Rate of throttle valve movement
Air conditioner switch
Air conditioner request
NeutrallPark switch A/T
Neutral Switch M/T
Battery voltage
Gear position
Electronic
Control
Module
(E.C.M.)
Fuel injection 81 mixture
Injectors
Ignition timing control Power transistors
Spark plug switching
Power transistor
-
Exhaust coil
I
Air flow meter wire
>I
Air flow meter
cleaning control
I
Engine idle speed
>I
Idle Air Control
(IAC) Valve
I
Fault indication to driver
E.C.M. lamp
Fuel pump and air
regulator control
Engine cooling fan control
>I
Engine cooling fans
Air conditioner compressor
\ I
Air conditioner
I
control (where fitted)
compressor clutch
Automatic transaxle lock-up
function (Auto Trans only)