Ford Corsar Repair Manual page 246

PRECAUTIONS
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E.C.U.
Do not apply undue force to WIRELESS EQUIPMENT
•
Do not disassemble E.C.C.S. mounting bracket. When installing a C.B. ham
control unit. (E.C.U.) Before connecting or discon- radio or a mobile phone, be
Do not turn diagnosis mode necting E.C.U. connector, make sure to observe the following,
selector forcibly.
sure red LED is off
as installation location may af-
If a battery terminal is discon-
after turning ignition key off.
fect the electronic control sys-
nected, the memory will return
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Always install the properly terns.
to the ROM value. The E.C.C.S.
specified E.C.U. on car; other-
1) Keep antenna as far as possi-
will now start to self-control at
wise, erroneous engine opera-
ble away from electronic con-
its initial value. Engine opera- tion may result. trol units.
tion can vary slightly when the 2) Keep antenna feeder line more
terminal is disconnected. How-
than 20 cm (7.9 in) away from
ever, this is not an indication
harness of electronic controls.
of a problem. Do not replace
Do not let them run parallel for
parts because of a slight varia-
a long distance.
tion.
3) Adjust antenna and feeder line
so that standing-wave ratio can
be kept smaller.
INJECTOR 4) Be sure to ground radio to ve-
Do not disconnect injector har-
hicle body.
ness connectors with engine
running.
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Do not apply battery power di-
rectly to injectors; otherwise
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Do not operate fuel pump
when there is no fuel in lines.
uel hose clamps to
the specified torque.
BAllERY
E.C.C.S. PARTS HANDLING
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Always use a 12 volt battery as
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Handle air flow meter carefully a power source.
to avoid damage. Do not disconnect battery
Do not disassemble air flow
cables while the engine is run-
meter.
Do not clean air flow meter
with detergent.
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Do not jolt or jar the crank
angle sensor.
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Even a slight leak in the air in-
take system can cause serious
problems.
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Do not disassemble auxiliary
air control valve.
ning.
Do not reverse polarity of bat-
tery when connecting it. Other-
wise, E.C.U. andlor injectors
may be burned.
WHEN STARTING
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Do not depress accelerator
pedal when starting.
Immediately after starting, do
not rev up engine unnecessari-
ly.
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Do not rev up engine just prior
to shutdown.
E.C.C.S. HARNESS HANDLING
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Securely connect E.C.C.S. har-
ness connectors.
A poor connection can cause
extremely high voltage to de-
velop in the coil and condenser,
resulting in damage to ICs.
Keep E.C.C.S. harness at least
10 cm (3.9 in) away from adja-
cent harnesses, to prevent an
E.C.C.S. system malfunction
due to receiving external noise,
degraded operation of ICs, etc.
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Keep E.C.C.S. parts and har-
nesses dry.
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Before removing parts, turn off
ignition switch and then dis-
connect battery ground cable.
SEF23U