Toyota Celica 2005 Repair Manual page 663

DI−464
Be sure to check the value on the misfire counter after the repair.
S
1 Are there any other codes (besides DTC P0300, P0301, P0302, P0303 or P0304)
being output?
PREPARATION:
(a) Connect the hand−held tester or the OBD II scan tool to the DLC3.
(b) Turn the ignition switch ON and push the hand−held tester or the OBD II scan tool main switch ON.
(c) When using hand−held tester, enter the following menu: DIAGNOSIS / ENHANCED OBD II / DTC
INFO / CURRENT CODES.
CHECK:
Read the DTCs.
RESULT:
Display (DTC output)
P0300, P0301, P0302, P0303 and/or P0304
P0300, P0301, P0302, P0303 and/or P0304 and other DTCs
HINT:
If any other codes besides P0300, P0301, P0302, P0303 and/or P0304 are output, perform the trouble-
shooting for those DTCs first.
A
2 Check harness, connector and vacuum hose in engine room.
CHECK:
(a) Check the connection conditions of the wire harness and connector.
(b) Check for the disconnection, piping and break of the vacuum hose.
OK
3 Check connection of PCV piping.
OK
2005 CELICA (RM1131U)
DIAGNOSTICS − ENGINE (2ZZ−GE)
B Go to relevant DTC chart (See page DI−335).
NG Repair or replace, then confirm that there is no
misfire (See confirmation driving pattern).
NG Repair or replace PCV piping.
662
Proceed to
A
B