Toyota 4A-F, Руководство по ремонту

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FI-6
PRECAUTIONS
t.
Before wOIking
on
the fuel Iyltem. dl.conneet the
cab" from negative
161
terminal
of
the be«ery.
NOTE : Al'ly diagnostic code retained by the computer
will be eraK'(! when the battery termillal is removed.
Thefefore.
II
necessary. read the diagnosis belore remov­
ing the battery lermil'lllL
2.
Do
not Imoke or work on open fllme when working on
the fuel Iyltem.
3. Keep guollne all rubber
or
lelth.r partl.
INSPECTION PRECAUTIONS
MAINTENANCE PRECAUTIONS
1.
CHECK COflRECT ENGINE TUNE· UP
ISee page EM·34)
2.
PRECAUTIONS WHEN CONNECTING GAUGE
!II! Use the bettery 85 thl'! power source for the timing
light. 'achOmetf!r. elC,
(b)
Connect Ihe leSI probe
of a lachometer
to
terminel
IG6 of the check connector.
LOCATIO N : See page
FI-SS
(Referf!nce (AT and AWU
Connect the test probe of a IIIchomeler to the nega­
tive
IS
ter m i n
al
of the ignition coil.
3. IN EVENT OF ENGINE MISFIRE FOLLOWING
PflECAUTIONS SHOULD BE TAKEN
lal
Check proper CONleCbon of baltery terminlls. et c .
(bl
Handle
high·tension cordi c a r efu ll y .
lei
After repair work. check Ihill the i9nition coil ter­
minals and all other ignition .ystem lines are recoo­
nected secure
l y .
Id)
When cleaning
the engine companmenL be especial­
ly careful to protect ihe electrical system from walar.
... PRECAUTIONS WHEN HANDLING OXYGEN SENSOR
«I) Do not allow oKYlien sensor to drop or hit againll an
01J1e<:t.
(1)1
Do not alloW the sensor 10 c
o
me inlO contlct with
wall!!'.