Fuel Pump Onvehicle Inspection

1. CHECK FUEL PUMP OPERATION

(a) Connect the TOYOTA hand-held tester to the DLC3.

(b) Turn the ignition switch ON and TOYOTA hand-held tester main switch ON.

NOTICE:

Do not start the engine.

(c) Select the active test mode on the TOYOTA hand-held tester.

(d) Please refer to the TOYOTA hand-held tester operator's manual for further details.

Hand Fuel Pump Disassembly

{e} If you have no TOYOTA hand-held tester, connect the positive {+) lead from the battery to terminal 4 of the connecter, and the negative (-} lead to terminal 5.

Celica Fuel Pump Relay

(f) Check that there is pressure in the fuel inlet pipe from the fuel line.

HINT:

If there is fuel pressure, you will hear the sound if fuel following. If there is no pressure, check these parts, Fusible link, Fuses, EFI Main relay. Fuel pump, ECM, and Witting connector.

(g) Turn the ignition switch to LOCK.

(h) Disconnect the TOYOTA hand-held tester from the DLC3.

2. CHECK FUEL PRESSURE

(a) Check the battery positive voltage is above 12 V.

(b) Disconnect the negative (-) terminal cable from the battery.

(c) Purchase the new fuel tube and take out the fuel tube connector from its pipe.

1ZZ-FE:23901-22100 2ZZ-GE: 23271-88600

2zz Fuel Pipe

(d) Remove the fuel pipe clamp.

(e) Disconnect the fuel tube (fuel tube connector) from the fuel pipe.

CAUTION:

Perform disconnecting operations of the fuel tube connector (quick type) after observing the precautions.

As there is retained pressure in the fuel pipe line, prevent if from splashing inside the engine comportment.

(f) install SST {pressure gauge} as shown in the illustration by using SST and fuel tube connector.

SST 09268-41047 (95336-08070), 09268-45014 {09268-41200, 09268-41220, 09268-41250)

(g) Wipe off any splattered gasoline.

{h) Reconnect the negative (-) terminal cable to the battery.

(i) Connect the TOYOTA hand-held tester to the DLC3. If you have no TOYOTA hand-held tester, connect the positive (+) lead from the battery to terminal 4 of the connecter, and the negative {-) lead to terminal 5. (j) Measure the fuel pressure. Fuel pressure:

If pressure is high, replace the fuel pressure regulator. If pressure is low, check the Fuel hoses and connections, Fuel pump, Fuel filter, and Fuel pressure regulator, (k) Disconnect the TOYOTA hand-held tester from the

DLC3. (I) Start the engine, (m) Measure the fuel pressure at idle. Fuel pressure:

(n) Stop the engine.

(o) Check that the fuel pressure remains as specified for 5 minutes after the engine has stopped. Fuei pressure:

147 kPa (1.5 kgf/cm2,21 psi) or more if pressure is not as specified, check the fuel pump, pressure regulator and/or injectors.

(p) After checking fue! pressure, disconnect the negative (-) terminal cable from the battery and carefully, remove the SST and fuel tube connector to prevent gasoline from spiashing.

SST 09268-41047 (95336-08070), 09268-45014 (09268-41200, 09268-^1220. 09268-41250)

(q) Reconnect the fuel lube (fuel tube connector). CAUTION:

Perform connecting operations of the fuel tube connector (quick type) after observing the precautions.

(r) Install the fuei pipe ciamp.

(s) Reconnect the negative {-) terminal cable to the battery,

(t) Check for fuel leakage.

3. REMOVE REAR SEAT CUSHION

4. REMOVE FLOOR SERVICE HOLE COVER

5. DISCONNECT FUEL PUMP & SENDER GAUGE CONNECTOR

Holo Sensor Toyota Celica 2000

6. INSPECT FUEL PUMP RESISTANCE

Using an ohmmeter, measure the resistance between terminals 4 and 5.

II the resistance is not as specified, replace the fuel pump.

7. INSPECT FUEL PUMP OPERATION

Connect the positive (+) lead from the battery to terminal 4 of the connector and the negative (-) terminal 5. Check that the pump operates. NOTICE:

These tests must be done quickly (within 10 seconds) to prevent the coil burning out. Keep fuel pump as far away from the battery as possible.

Always do the switching at the battery side.

Sf operation is not as specified, replace the fuel pump or lead wire.

8. RECONNECT FUEL PUMP & SENDER GAUGE CONNECTOR

9. REINSTALL FLOOR SERVICE HOLE COVER

10. REINSTALL REAR SEAT CUSHION

SF-10

COMPONENTS

Rear Seat Cushion

Floor Service Hole Cover

Fuel Pump & Sender Gauge Connector

Vapor Pressure Sensor Connector

Vapor Pressure Sensor

Rear Seat Cushion

Fuel Pump & Sender Gauge Connector

Floor Service Hole Cover

Vapor Pressure Sensor Connector

Filter Gorivo Seat

Vapor Pressure Sensor

Fuel Pressure Regulator ♦O-Rtng

Fuel Pump Filter

Fuel Filter Seal Fuel Pump Spacer Fuel Pump

No. 2 Fuel Suction Support

Fuel Pressure Regulator ♦O-Rtng

Fuel Pump Filter

Fuel Filter Seal Fuel Pump Spacer Fuel Pump

No. 2 Fuel Suction Support

N-m (kgf'cm, ft-lbf) Specified torque Y ♦Non-reusable part

Tube Joint Clip kO (f \ulh

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

Don't pay hundreds of dollars to find out what is wrong with your car. This book is dedicated to helping the do it yourself home and independent technician understand and use OBD-II technology to diagnose and repair their own vehicles.

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Responses

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    Where is theToyota ignition coil e located?
    6 years ago
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    How check fuel pump on 2000 celica?
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