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SST
A16628
AVENSIS REPAIR MANUAL (RM1018E)
FUEL
–
FUEL SYSTEM (1ZZ–FE/3ZZ–FE)
(7)
Connect SST (wire) to the injector and the battery
for 15 seconds, and measure the injection volume
with a graduated cylinder. Test each injector 2 or 3
times.
SST
09842–30080
Injection volume:
Engine
A50700
1ZZ–FE
3ZZ–FE
NOTICE:
Always do the switching at the battery side.
If the injection volume is not as specified, replace the injector.
(c)
Inspect leakage
(1)
In the condition above, disconnect the test probes
of SST (wire) from the battery and check the fuel
leakage from the injector.
Fuel drop:
1ZZ–FE
3ZZ–FE
B00069
2.
INSPECT FUEL PUMP
(a)
Insect fuel pump resistance.
(1)
Using an ohmmeter, measure the resistance be-
tween the terminals.
Resistance: 0.2 to 3.0 f at 20_C (68_F)
(b)
Inspect fuel pump operation
(1)
Apply battery voltage to both the terminals. Check
that the pump operates.
NOTICE:
A32859
S
These tests must be done quickly (within 10 seconds)
to prevent damage to the pump.
S
Keep fuel pump as far away from the battery as pos-
sible.
S
Always do the switching at the battery side.
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Difference between each
Injection volume
3
60 to 73 cm
3
(3.7 to 4.5 cu in.)
13 cm
(0.8 cu in.) or less
in 15 seconds
3
45 to 55 cm
3
(2.7 to 3.3 cu in.)
10 cm
(0.6 cu in.) or less
in 15 seconds
1 drop or less in 12 minutes
1 drop or less in 5 minutes
11–9
injector
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