Toyota Celica 2005 Repair Manual page 254

2 Check operation of OCV.
PREPARATION:
(a) Connect the hand−held tester to the DLC3.
(b) Start the engine and warm it up.
(c) Turn the ignition switch ON and push the hand−held tester main switch ON.
(d) Enter the following menus: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST / VVT CTRL B1.
CHECK:
Check the engine speed when operating the OCV by the hand−held tester.
OK:
Tester Operation
OCV is OFF
OCV is ON
OK
3 Check if DTC outputs reoccur.
CHECK:
(a) Clear the DTCs.
(b) Warm up the engine and drive the vehicle for 10 minutes or more.
(c) Check DTCs.
OK:
No DTC output.
HINT:
DTCs P0011 or P0012 is present when a foreign object in the engine oil enters the system. These DTCs
will stay even if the system returns to normal after a short time. Foreign objects are filtered out by the oil filter.
NG
4 Check oil control valve filter.
OK
2005 CELICA (RM1131U)
DIAGNOSTICS − ENGINE (1ZZ−FE)
NG Go to step 4.
OK VVT system is OK.
NG Replace oil control valve filter.
253
Specified Condition
Normal engine speed
Rough idle or engine stall
DI−55