2GR-FKS (FUEL): FUEL INJECTOR(for Port Injection): INSPECTION; 2017 - 2020 MY Sienna [08/2016

Last Modified: 04-05-2023	6.11:8.1.0	Doc ID: RM100000000YQRQ
Model Year Start: 2017	Model: Sienna	Prod Date Range: [08/2016 - ]
Title: 2GR-FKS (FUEL): FUEL INJECTOR(for Port Injection): INSPECTION; 2017 - 2020 MY Sienna [08/2016 - ]

INSPECTION

PROCEDURE

1. INSPECT FUEL INJECTOR ASSEMBLY

(a) Check the resistance.

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
1 - 2	20°C (68°F)	11.6 to 12.4 Ω

If the result is not as specified, replace the fuel injector assembly.

*a	Component without harness connected (Fuel Injector Assembly)

(b) Check the operation.

CAUTION:

Perform the inspection in a well-ventilated area.

Do not perform the inspection near an open flame.

(1) Disengage the 2 claws and remove the No. 2 fuel pipe clamp.

(2) Remove the No. 1 fuel pipe clamp.

(3) Disconnect the fuel tube sub-assembly.

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(4) Connect SST (fuel tube connector) to SST (hose) with SST (hose band), and then connect them to the fuel pipe (vehicle side).

SST: 09268-31014

09268-41500

09268-41700

95336-08070

NOTICE:

Make sure the SST (fuel tube connector) O-rings are not damaged and are free of foreign matter as they are used to seal the connections between the fuel tube connector and fuel pipe.

*a	SST (Hose)
*b	SST (Hose Band)
*c	SST (Fuel Tube Connector)
*d	Fuel Pipe (Vehicle Side)

(5) Apply a light coat of gasoline to a new O-ring, and then install the O-ring to the fuel injector assembly.

(6) Connect SST (adapter) and SST (hose) to the fuel injector assembly, and hold the fuel injector assembly and union with SST (clamp).

SST: 09268-31014

09268-41600

09268-41300

09268-41700

95336-08070

*1	O-ring
*a	SST (Adapter)
*b	SST (Hose Band)
*c	SST (Clamp)
*d	SST (Hose)
*e	Vinyl Tube

(7) Tie SST (clamp) and SST (adapter) together with SST (tie band) as shown in the illustration.

SST: 09268-31014

09268-41800

NOTICE:

As SST (tie band) does not completely prevent SST (clamp) from becoming loose, do not subject the parts to any impacts while using them.
Before using SST (tie band), make sure that there is no wear, damage or cracks. If there are any abnormalities, replace SST.

HINT:

When removing SST (tie band), disengage the lock.

*a	Lock
*b	SST (Tie Band)

(8) Check that SST (clamp) and SST (adapter) cannot be easily separated.

(9) Install a vinyl tube to the fuel injector assembly.

CAUTION:

Install a suitable vinyl tube to the fuel injector assembly to prevent fuel from spraying.

(10) Set the fuel injector assembly into a graduated cylinder.

(11) Operate the fuel pump.

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(12) Connect SST (EFI inspection wire I) to the fuel injector assembly and battery for 15 seconds, and measure the injection volume with the graduated cylinder. Test each fuel injector assembly 2 or 3 times.

SST: 09842-30090

Standard Injection Volume:

Tester Connection	Condition	Specified Condition
Positive (+) battery terminal - Negative (-) battery terminal	Per 15 seconds	67 to 81 cc (4.1 to 4.9 cu. in.)

Difference between Each Fuel Injector Assembly:

14 cc (0.9 cu. in.) or less

NOTICE:

Make sure that SST (EFI inspection wire I) is securely connected.
Always switch the voltage on and off at the battery side, not the fuel injector assembly side.

If the injection volume is not as specified, replace the fuel injector assembly.

*a	SST (EFI Inspection Wire I)

(1) Disconnect SST (EFI inspection wire I) from the battery and check for fuel leaks from the fuel injector assembly.

Standard Fuel Drop:

1 drop or less per 25 minutes

If the result is not as specified, replace the fuel injector assembly.

(2) Connect the fuel tube sub-assembly.

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(3) Install the No. 2 fuel pipe clamp to the fuel tube connector.

(4) Check for fuel leaks.

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