Toyota Celica 2005 Repair Manual page 835

DI−636
OBD II scan tool (excluding hand−held tester):
1 Is the DTC P2444 or P2445 being output.
PREPARATION:
(a) Connect the OBD II scan tool to the DLC3.
(b) Turn the ignition switch ON and push the OBD II scan tool main switch ON.
CHECK:
Read the DTCs.
RESULT:
Display (DTC output)
P2444 or P2445
P2444, P2445 and other DTCs
HINT:
If any other codes besides P2444 or P2445 are output, perform the troubleshooting for those DTCs first.
A
2 Check stored DTC.
Read the DTC using the OBD II scan tool.
Display (DTC Output)
B
3 Check vacuum hose.
OK
DIAGNOSTICS
P2444
P2445
− ENGINE (2ZZ−GE)
B Go to DTC chart (See page DI−335).
A Go to step 9.
NG Repair or replace vacuum hose.
834
Proceed to
A
B
Proceed to
A
B