Toyota 4A-F, Руководство по ремонту

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FI·12
0'
CONTINUED FROM P
A
G
E FI· I I
CHECK FUEl SUPPLY TO INJECTOA
1. fuel in tank
BAD
2.
FuslI
2 . fuel prenure in fuel line 3. Circuit opening .elIlV (See page FI-91]
(1) Short tcrminals +B lind FP of Ihe
4.
Fuel
pump (See �e FI-55]
chock connector.
5 .
F
u
a
l f�tfll'"
(2)
Fuel pressure at fuel
hose
of fuel
6 .
Fuel pressure .egulltor
filtet cen be fell (See �ge FI-57l (See page FI-75)
Iwl
A
I
R FLOW METER)
Air flow meter (See PlI9fI
FI-a2)
CHECK FUEl PUMP SWITCH IN AIR
SAD
FLOW
METER
Check continuity
between tcrminals FC
and
El
while menuring plale
01
air
flow
CHECK SPARK PLUGS
1.
SpMk plugs
Standard:
1.1
mm
(0.043
InJ NO
2.
Compression pressure
NOTE:
Check
compression ptlIssure and
M
i
ll imum:
10.0
kg/em'
valv8 clearance if
neC6SS&ry
(142
pli,
981 kPa)
at
2150 rpm
3 .
VGlve clearance (Cold)
Standard:
IN 0.115 - 0.25
mm
10.006 - 0.0'0 InJ
'X 0.20 - 0.30
mm
(0.008 - 0.0012 in.1
1 . Injeclo" - shorted or leaking
SAD 2. Injector wiring - short circuited
(
All
)
3.
Cold .le.1 injector - leakage
Plugs
(S"
pltge FI-72)
W£T
4.
Cold st8t1 injector time switch
ISee pilge FI-9S)
OX
CHECK AUXILIARY AIR VALVE
1 .
Auxiliary
&ir valve
fSee
page FI-a7) BAD 2 . Watllr hoses
3.
Air hosn
OX
CHECK EFI ElECTRONIC CIRCUIT
1. Wiring connections
USING VOLT/OHMMETER 'AD
2. Power to (fCU)
(See page
FI-291
(II
Flnible links
121
F...ses
(3)
fR main relay
3. Ai, flow mete. Iwl Ait flow meterl
4.
Vacuum sensor (w/o Air flow meterl
5. W"e' temp . sensor
6.
A
i
r lemp. $Inso,
7. Injection signal circuit
(1) Injector wiring
(2)
Solenoid resistor (w/o Air flow meterl
(3) feU