Ford Corsar Repair Manual page 269

E.C.C.S. SYSTEM DESCRIPTION
Fail-safe System
AIR FLOW METER MALFUNCTION Operation
If the air flow meter output voltage is above or
",
possible to drive the vehicle and start the engine.
below the specified value, the E.C.U, senses an System
air flow meter malfunction. In case of a malfunc-
C.C.P. control svstern
tion, the throttle sensor substitutes for the air flow
meter.
Idle speed control system
I
Fuel is shut off above 2,400
Fixed condition
OFF
- .
A duty ratio is fixed
at the
preprogrammed value.
Thouah air flow meter is malfunctionina. it is
ENGINE TEMPERATURE SENSOR
MALFUNCTION
When engine temperature sensor output voltage
is below or above the specified value, water
temperature is fixed at the preset value as
follows:
But engine speed will not rise more than 2,400
Fuel injection control system
rpm in order to inform the driver of fail-safe
system operation while driving.
Operation
rpm.
(Engine speed does not ex-
ceed 2,400 rpm.)
THROTTLE SENSOR MALFUNCTION
When throttle sensor output voltage is below or
above the specified value, throttle sensor output
is fixed at the preset value.
Condition
Just as ignition switch is
turned ON or Start
More than 6 minutes after
ignition ON or Start
Except as shown above
AIR TEMPERATURE SENSOR MALFUNC-
TION
When air temperature sensor is below or above
the specified value, air temperature value is fixed
at the preset value [20°C (68"F)I.
Engine temperature decided
20°C (68°F)
80°C (176°F)
20
-
80°C (68
-
176°F)
(Depends on the time)