Toyota Celica 2005 Repair Manual page 599

DI−400
OBD II scan tool (excluding hand−held tester):
1 Check for open and short in harness and connector in VC, VTA1, VTA2 and E2
circuits between ECM and throttle position sensor (See page IN−30)
OK
2 Check voltage between terminals VC and E2 of ECM connector.
VC (+)
E10
E2 (−)
OK
3 Replace throttle body (See page SF−42).
Go
2005 CELICA (RM1131U)
DIAGNOSTICS − ENGINE (2ZZ−GE)
NG Repair or replace harness and connector.
PREPARATION:
(a) Remove the ECM cover.
(b) Turn the ignition switch ON.
(c) Disconnect the throttle position sensor connector.
CHECK:
Measure the voltage between terminals VC and E2 of the ECM
connector.
OK:
Voltage: 4.5 to 5.5 V
NG Replace ECM (See page SF−78).
A21615
598