Toyota Camry Manual page 1328

7 Check EGR valve.
Vacuum
EGR Valve
OK
8 Check vacuum control valve (See page EC–11).
OK
Check and replace ECM (See page IN–31).
DIAGNOSTICS – ENGINE (1MZ–FE)
PREPARATION:
(a) Disconnect the vacuum hose from EGR valve.
(b) Start the engine.
CHECK:
Check whether the engine stall when apply vacuum to EGR
valve.
OK:
Engine runs rough or stall.
S05410
NG Repair or replace EGR valve.
NG Replace vacuum control valve.
Author : Date :
DI–301
536