Toyota Celica 2005 Repair Manual page 206

DLC3
0.13 sec
ON
OFF
2005 CELICA (RM1131U)
DIAGNOSTICS
S
(b)
(c)
3.
HINT:
Hand−held tester only:
Check mode has a higher sensitivity to detect malfunctions and
can detect malfunctions that normal mode cannot detect.
Check mode can also detect all the malfunctions that normal
mode can detect.
(a)
Hand−Held Tester
D07259
0.13 sec
NOTICE:
All DTCs and freeze frame data recorded will be erased if:
1) the hand−held tester is used to change the ECM from
normal mode to check mode or vice−versa; or 2) during
check mode, the ignition switch is turned from ON to ACC
BR3904
or OFF.
− ENGINE (1ZZ−FE)
Check the pending fault code using the Continuous
Test Results function (Mode 7 for SAE J1979) on the
OBD II scan tool.
Clearing the DTCs using the OBD II scan tool or the
hand−held tester.
(1) Connect the OBD II scan tool or the hand−held tes-
ter to the DLC3.
(2) Turn the ignition switch ON.
(3) Erase DTCs and freeze frame data with the OBD II
scan tool (complying with SAE J1978) or the hand−
held tester. For the hand−held tester: 1) enter the
following menus: DIAGNOSIS / ENHANCED OBD
II / DTC INFO / CLEAR CODEDS; and 2) press
YES. For the OBD II scan tool, see its instruction
manual.
Clearing the DTCs not using the OBD II scan tool or the
hand−held tester.
Remove the EFI fuse from the engine room J/B for more
than 60 seconds, or disconnect the battery terminal for
more than 60 seconds.
After disconnecting the battery terminal, perform the "INI-
TIALIZE procedure.
DTC CHECK (Check Mode)
Follow these steps when preparing to use the hand−held
tester check mode.
(1) Make sure that the items below are true:
Battery positive voltage 11 V or more
S
Throttle valve fully closed
S
Transmission in the P or N position
S
A/C switched OFF
S
(2) Turn the ignition switch OFF.
(3) Connect the hand−held tester to the DLC3.
(4) Turn the ignition switch ON.
(5) Change the ECM to check mode with the hand−
held tester. Enter the following menus: DIAGNOSIS
/ ENHANCED OBD II / CHECK MODE. Make sure
the MIL flashes as shown in the illustration.
205
DI−7