Toyota Camry Manual page 1232

7 Check fuel pressure.
OK
DIAGNOSTICS – ENGINE (1MZ–FE)
PREPARATION:
(a) Be sure that enough fuel is in the tank.
(b) Connect the TOYOTA hand–held tester to the DLC3.
(c) Turn the ignition switch ON and push the TOYOTA hand–
held tester main switch ON.
(d) Use ACTIVE TEST mode to operate the fuel pump.
(e) If you have no TOYOTA hand–held tester, connect the
positive (+) and negative (–) leads from the battery to the
fuel pump connector (See page SF–6).
P20186
CHECK:
Check that the pulsation damper screw rises up when the fuel
pump operates.
NG Proceed to page SF–6 and continue to
troubleshoot.
Author : Date :
DI–205
440