Toyota Celica 2005, Repair Manual

Page: 205 / 2497

D07259
Hand − Held Tester
DLC3
DI − 6
− DIAGNOSTICS ENGINE (1ZZ − FE)
2005 CELICA (RM1131U)
2. DTC CHECK (Normal Mode)
NOTICE:
S
If no DTC appears in normal mode:
On the OBD ll scan tool or the hand
− held tester, check
the pending fault code using the Continuous Test Re-
sults function (Mode 7 for SAE J1979).
S
When the diagnosis system is changed from normal
mode to check mode or vice
− versa, all DTCs and
freeze frame data recorded in normal mode will be
erased. Before changing modes, always check and
make a note of DTCs and freeze frame data.
(a) Checking DTCs using the OBD II scan tool or hand − held
tester.
(1)
Connect the OBD II scan tool or the hand − held tes-
ter to DLC3.
(2) Turn the ignition switch ON.
(3) Use the OBD II scan tool or the hand − held tester to
check the DTCs and freeze frame data and then
write them down.
For the hand
− held tester, enter the following me-
nus: DIAGNOSIS / ENHANCED OBD II / DTC INFO
/ CURRENT CODEDS. For the OBD II scan tool,
see its instruction manual.
(4) See page DI − 42 to confirm the details of the
DTCs.
NOTICE:
When simulating a symptom with the OBD II scan tool (ex-
cluding hand
− held tester) to check the DTCs, use the nor-
mal mode. For DTCs chart subject to ”2 trip detection log-
ic”, perform either of the following actions.
S
Check the pending fault code:
For the hand
− held tester, enter the following menus:
DIAGNOSIS / ENHANCED OBD II / DTC INFO / PEND-
ING CODES.
S
Turn the ignition switch OFF after the symptom is
simulated once. Then repeat the simulation process
again. When the problem has been simulated twice,
the MIL come on and the DTCs are recorded in the
ECM.
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