Fuel System (1GR-FE): Inspection

1. Using an ohmmeter, measure the resistance between the terminals.

Standard: 

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

Fig 1: Measuring Resistance Between Terminals Of Fuel Injector Assy

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Prepare a new fuel tube.

   HINT:

   Part No. 23801-0P010

2. Using a cutter knife, cut the fuel tube protector. Tear the protector by hand, then remove the fuel tube connector.
   Fig 2: Removing Fuel Tube Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   NOTE: If the protector is cut too deeply with the cutter, the O-ring of the fuel tube connector will be damaged.
   Fig 3: Identifying Fuel Tube Connector

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3. Install the fuel tube connector into SST (hose), then connect the tube connector to the fuel pipe.

   SST 09268-41047 (95336-08070)

   CAUTION: Connect the fuel tube connector (quick type) after observing the precautions.
4. Remove the pressure regulator (see REPLACEMENT  ).
5. Install the O-ring onto the fuel inlet of the pressure regulator.
   Fig 4: Installing Fuel Tube Connector Into SST (Hose) And Connecting Tube Connector To Fuel Pipe

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6. Connect SST (hose) to the fuel inlet of the pressure regulator with another SST (union) and the 2 bolts.

   SST 09268-41047 (95336-08070, 09268-41091)

   Torque: 9.0 N.m (92 kgf.cm, 80 in..lbf) 

7. Connect the fuel return hose to the fuel outlet of the pressure regulator.
   Fig 5: Connecting Fuel Return Hose To Fuel Outlet Of Pressure Regulator

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
8. Install a new O-ring onto the injector.
9. Connect SST (adaptor and hose) to the injector and hold the injector and union with SST (clamp).

   SST 09268-41047, 09268-41140, 09268-41400 (95336-08070)

10. Set the injector in a graduated cylinder.
    Fig 6: Installing Suitable Vinyl Tube Onto Injector

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CAUTION: Install a suitable vinyl tube onto the injector to prevent gasoline splashes.
    Fig 7: Connecting Hand-Held Tester To DLC3

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11. Connect the hand-held tester to the DLC3.
12. Turn the ignition switch to ON.
13. Turn the hand-held tester ON.
14. Select the following menu items: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST / FUEL PUMP / SPD/ON.
15. Install SST onto the fuel injector. SST 09842-30080
    Fig 8: Installing SST Onto Fuel Injector

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
16. Connect SST to the battery, then measure the injection volume for 15 seconds. Perform the inspection 2 or 3 times, then calculate the average.

Standard: 

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

1. When checking the injection volume, remove SST from the battery. Inspect the fuel leakage from the fuel injector.

   Standard: 1 drop or less every 12 minutes. 

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

1. Using an ohmmeter, measure the resistance between the terminals.

Resistance: 0.71 to 0.75Ω 

If the result is not as specified, replace the fuel pump resistor.

Fig 9: Measuring Resistance Between Terminals Of Fuel Pump Resister

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Using an ohmmeter, measure the resistance between the terminals.

Standard: 0.2 to 3.0Ω at 20°C (68°F) 

If the result is not as specified, replace the fuel pump.

Fig 10: Identifying Connector Terminal Of Fuel Pump Assy

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Using an ohmmeter, measure the resistance between the terminals.

Standard: 

If the result is not as specified, replace the fuel pump relay.

Fig 11: Measure Resistance Between Terminals Of Fuel Pump Relay Assy

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002