Fuel Pump On-Vehicle Inspection; Check Fuel Pump Operation; Check Fuel Pressure - Toyota Celica 2000 Repair Manual

SF-6
Fuel Tube
Connector
-
SFI FUEL PUMP
FUEL PUMP
ON-VEHICLE INSPECTION
1 .

CHECK FUEL PUMP OPERATION

(a) Connect the TOYOTA hand-held tester to the DLC3.
Turn the ignition switch ON and TOYOTA hand-held tes·
(b)
ter main switch ON.
NOTICE:
Do not start the engine.
(c) Select the active test mode on the TOYOTA hand-held
tester.
Please refer to the TOYOTA hand-held tester operator's
(d)
manual for further details.
If you have no TOYOTA hand-held tester, connect the
(e)
positive (+) lead from the battery to terminal 4 of the con­
necter, and the negative (-) lead to terminal 5.
(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 Wilting connector.
(g) Turn the ignition switch to LOCK.
Disconnect the TOYOTA hand-held tester from the
(h)
DLC3.
2.

CHECK FUEL PRESSURE

(a) Check the battery positive voltage is above 1 2 V.
Disconnect the negative (-) terminal cable from the bat­
(b)
tery.
Purchase the new fuel tube and take out the fuel tube
(c)
connector from its pipe.
Part No.:
1 ZZ-FE: 23901-22100
2ZZ-GE: 23271-88600