Ford 2002 Bantam, Руководство по ремонту

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413-01-3 Instrument Cluster 413-01-3
DESCRIPTION AND OPERATION ( CONTINUED )
• Air bag system
• Charging system
• Park brake and low fluid level
• Low fuel
• Low oil pressure
Other indicators that are incorporated into the
instrument cluster are:
• High beam
• Low washer fluid
Instrument Cluster Gauges
Engine Coolant Temperature Gauge
Temperature information is received by the
instrument cluster from the engine coolant
temperature (ECT) sensor or the gauge sender
for diesel. If the engine coolant temperature
signal is missing or invalid, the engine coolant
temperature gauge will indicate a default position
below cold.
Fuel Gauge
The instrument cluster receives the fuel level
information from the fuel sender unit (part of the
fuel pump module). This is a variable resistor,
which varies the ground supply to the gauge,
therefore altering the gauge position. If no input
signal or a faulty input signal is received, the fuel
gauge will indicate a default position below
empty. The fuel level input signal is dampened to
prevent movement of fuel in the tank affecting the
gauge position.
Speedometer
The instrument cluster receives vehicle speed
information from the vehicle speed sensor (VSS),
which is then indicated in km/h at the gauge. If
there is no input from the VSS the instrument
cluster defaults the speedometer to zero.
Odometer
The instrument cluster records the total mileage
of the vehicle using information that is received
from the VSS. This total mileage is shown by a
liquid crystal display (LCD) built into the
speedometer. If VSS information is not received
the LCD will not increment. Incorporated into the
odometer is a tripmeter, which is reset by using
the trip meter reset button.
Tachometer
The instrument cluster receives tachometer
information from the powertrain control module
(PCM). If the engine speed (RPM) information
sent to the instrument cluster is invalid or
missing, the instrument cluster will default the
tachometer to zero.
Warning Indicators
Air Bag Warning Indicator
The air bag module controls the air bag warning
indicator. For additional information,
refer to Section 501-20B.
Brake System Warning Indicator
The brake system warning indicator has multiple
functions. The warning indicator illuminates if the
brake fluid level is low or if the parking brake is
set.
Charging System Warning Indicator
The generator controls the charging system and
the charging system warning indicator. The
generator is therefore responsible for turning the
warning indicator OFF when the system is
running, and illuminating it under fault conditions
(including stall conditions). For additional
information,
refer to Section 414-00.
The High Beam Indicator
The high beam indicator is hardwired directly
from the multifunction switch. When the high
beam is activated, the indicator illuminates.
Low Oil Pressure Warning Indicator
The low oil pressure warning indicator is
hardwired to the engine oil pressure switch.
When the ignition is switched to position II, the
low oil pressure indicator illuminates. After the
engine is started and the oil pressure rises to a
safe level, the oil pressure switch opens and
switches off the oil pressure warning indicator.
Low Washer Fluid Indicator
The low washer fluid indicator illuminates when
the washer fluid falls below a preset level.
E1281 EN 09/2001 2002 Bantam