Toyota Celica 2005 Repair Manual page 846

INSPECTION PROCEDURE
Hand−held tester:
1 Check OCV for VVTL circuit.
PREPARATION:
(a) Start the engine and warm it up.
(b) Connect the hand−held tester to the DLC3.
(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 / ALL/VVTL CTRL B1.
(e) Maintain engine speed at 1,500 to 2,500 rpm.
CHECK:
Check the engine speed when operate the OCV for VVTL by the hand−held tester.
OK:
Tester Operation
VVTL CTRL B1 is OFF (OCV is OFF)
VVTL CTRL B1 is ON (OCV is ON)
NG
2 Check oil pressure switch for VVTL
PREPARATION:
(a) Start the engine and warm it up.
(b) Connect the hand−held tester to the DLC3.
(c) Turn the ignition switch ON and push the hand−held tester main switch ON.
(d) Enter the following menu: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST / ALL / VVTL CTRL B1.
(e) Disconnect the oil pressure switch for VVTL connector.
(f) Maintain the engine speed at 3,500 to 4,000 rpm.
CHECK:
Check for continuity between the oil pressure switch and body ground when operating the OCV by hand−
held tester.
OK:
Tester Operation
VVTL CTRL B1 is OFF (OCV is OFF)
VVTL CTRL B1 is ON (OCV is ON)
NG
2005 CELICA (RM1131U)
DIAGNOSTICS − ENGINE (2ZZ−GE)
OK Check for intermitten problems
(See page DI−295).
OK Replace oil pressure switch.
845
Specified Condition
Normal engine speed
Rough engine speed or engine stalled
Specified Condition
No continuity
Continuity
DI−647