Toyota Celica 2005 Repair Manual page 435

DI−236
17 Check vacuum hoses between vapor pressure sensor and fuel tank, and char-
coal 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
18 Check hose and tube between fuel tank and charcoal canister.
CHECK:
(a) Check for proper connection of the fuel tank and fuel evap pipe (See page EC−2), fuel evap pipe and
fuel tube under the floor, fuel tube under the floor and charcoal canister.
(b) Check the hose and tube for cracks, hole and damage.
OK
19 Check voltage between terminals VC and E2 of ECM connector.
ON
VC (+)
E2 (−)
A09084
OK
2005 CELICA (RM1131U)
DIAGNOSTICS − ENGINE (1ZZ−FE)
NG Repair or replace vacuum hose.
NG Repair or replace hose and tube.
CHECK:
(a) Remove the ECM cover.
(b) Turn the ignition switch ON.
CHECK:
Measure the voltage between terminals VC and E2 of the ECM
connector.
OK:
Voltage: 4.5 to 5.5 V
A09092
NG Replace ECM (See page SF−78).
434