Toyota Celica 2005 Repair Manual page 487

DI−288
OBD II scan tool (excluding hand−held tester):
1 Check operation of fuel pump.
ON
Fuel Inlet Hose
A09084
B07697
NG
2 Check operation of circuit opening relay (Marking: C/OPN).
ON
A09084
NG
2005 CELICA (RM1131U)
DIAGNOSTICS
PREPARATION:
(a) Remove the ECM cover.
FC
(b) Turn the ignition switch ON.
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
A09104
CHECK:
When connecting between terminal FC of the ECM connector
and the body ground, check the relay operation.
FC (+)
OK:
Noise can be heard from the circuit opening relay.
A09092
OK
− ENGINE (1ZZ−FE)
Proceed to next circuit inspection shown on
problem symptoms table (See page DI−39).
Go to step 6.
486