Toyota Celica 2005 Repair Manual page 412

15 Check for open and short in harness and connector between EFI main relay
(Marking: EFI) and pressure switching valve, and pressure switching valve and
ECM (See page IN−30).
OK
Replace ECM (See page SF−78).
16 Check whether hose close to fuel tank has been modified, and check whether
there are signs of any accident near fuel tank.
OK
17 Check vacuum hoses between vapor pressure sensor and fuel tank, charcoal
canister and pressure switching valve.
CHECK:
(a) Check that the vacuum hose is connected correctly.
(b) Check the vacuum hose for looseness and disconnection.
(c) Check the vacuum hose for cracks, hole and damage.
OK
2005 CELICA (RM1131U)
DIAGNOSTICS − ENGINE (1ZZ−FE)
NG Repair or replace harness or connector.
CHECK:
Check for cracks, deformation and loose connection of the fol-
lowing parts:
Fuel tank
S
Fuel tank filler pipe
S
Hoses and tubes around fuel tank
S
NG Repair or replace evaporative emission leak
part.
A10193
NG Repair or replace vacuum hose.
411
DI−213