Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 11 20uds inspec40
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11-7
FUEL - FUEL SYSTEM
110SY-02
INSPECTION
1. INSPECT FUEL INJECTOR ASSY
(a) Inspect injector resistance
(1) Using an ohmmeter, measure the resistance be-
tween the terminals.
Resistance:13.4 to 14.2 at 20_C (68_F)
If the resistance is not as specified, replace the injector.
(b) Inspect injector operation.
CAUTION:
This test involves high-pressure fuel and electricity. Take
every precaution regarding safe handling of both the fuel
and the electricity. Preform this test in a safe area, and
avoid any sparks or flame. Do not smoke.
(1) Obtain new No. 1 fuel pipe (part No. 23801-20171)
Fuel Tube Connector and remove the fuel tube connector from the pipe.
A50710
(2) Install the fuel tube connector to SST (hose), then
Fuel Tube Connector connect the tube connector and the fuel pipe.
SST 09268-41047 (95336-08070)
SST
CAUTION:
(Hose) Connect the fuel tube connector (quick type) after observ-
ing the precautions.
B12947
(3) Install the grommet and O-ring to the injector.
SST(Hose) (4) Connect SST (union and hose) to the injector, and
hold the injector and the union with SST (clamp).
SST(Union)
SST 09268- 41047 (09268- 41110, 09268- 41300,
O-Ring 95336-08070)
SST (5) Put the injector into a graduated cylinder.
(Clamp) CAUTION:
Vinyl Tube Install a suitable vinyl tube onto the injector to contain gas-
A51873 oline spray.
(6) Operate the fuel pump.(See Page 11-4 )
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 2256
11-8
FUEL - FUEL SYSTEM
(7) Connect SST (wire) to the injector and the battery
for 15 seconds, and measure the injection volume
SST
with a graduated cylinder. Perform this test on each
injector 2 or 3 times.
SST 09842-30070
Injection volume:
Injection volume Difference between each injector
60 to 73 cm3 (3.7 to 4.5 cu in.)
13 cm3 (0.8 cu in.) or less
A52609
in 15 seconds
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: 1 drop or less in 12 minutes
B00069
2. INSPECT FUEL PUMP
(a) Inspect fuel pump resistance.
(1) Using an ohmmeter, measure the resistance be-
tween the terminals.
Resistance: 0.2 to 3.0 at 20_C (68_F)
(b) Inspect fuel pump operation
(1) Apply battery voltage to both the terminals. Check
that the pump operates.
A16628 A32859 NOTICE:
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.
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 2257
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