Toyota Camry Manual page 1347

DI–320
2 Check vacuum hoses (1), (4), (5), (6), (7) and (8) on page DI–311).
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, damage and blockage.
OK
3 Check voltage between terminals VC and E2 of ECM connector
(See page DI–311, step 9).
OK
4 Check voltage between terminals PTNK and E2 of ECM connectors
(See page DI–311, step 10).
NG
5 Check for open and short in harness and connector between vapor pressure
sensor and ECM (See page IN–31).
OK
Replace vapor pressure sensor.
DIAGNOSTICS – ENGINE (1MZ–FE)
NG Repair or replace.
NG Check and replace ECM (See page IN–31).
OK Go to step 6.
NG Repair or replace harness or connector.
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