Toyota Celica 2005 Repair Manual page 859

DI−660
OBD II scan tool (excluding hand−held tester):
1 Check operation of fuel pump.
Fuel Inlet Hose
B07697
NG
2 Check operation of circuit opening relay (Marking: C/OPN).
A19520
NG
2005 CELICA (RM1131U)
DIAGNOSTICS −
PREPARATION:
(a) Remove the ECM cover.
(b) Turn the ignition switch ON.
FC
CHECK:
(a) Connect between terminal FC of the ECM connector and
body ground.
(b) Check for fuel pressure in the fuel inlet hose when it is
pinched off.
OK:
There is pressure in fuel inlet hose.
HINT:
At this time, you will hear a fuel return flowing noise.
OK
A21463
CHECK:
When connecting between terminal FC of the ECM connector
FC (+)
and the body ground, check the relay operation.
OK:
Noise can be heard from the circuit opening relay.
A19627
OK
858
ENGINE (2ZZ−GE)
Proceed to next circuit inspection shown on
problem symptoms table (See page DI−332).
Go to step 6.