Using the Scan Tool
ERASING DIAGNOSTIC TROUBLE CODES (DTCs)
34
When DTCs are erased, the I/M Readiness Monitor Status
program resets the status of all Monitors to a not run condition. To
set all Monitors to a DONE status, an OBD2 Drive Cycle must be
performed.
1.
If not connected already, connect the
Scan Tool to the vehicle's DLC, and
turn the ignition "On.” (If the Scan Tool
is already connected and linked to the
vehicle's computer, proceed directly to
step 3. If not, continue to step 2.)
2.
Perform the Code Retrieval procedure
as described on page 23.
To erase OBD2 DTCs:
Wait until
the codes are displayed, then
proceed to step 3.
To erase enhanced, ABS or SRS
DTCs:
Press
SYSTEM MENU
to display the System Menu.
Select the desired option, then press
ENTER
. Perform the
appropriate Code Retrieval procedure and then proceed to step 3.
3.
Press and release
ERASE
. A
confirmation message shows.
If you are sure you want to proceed,
select
Yes
, then press
ENTER
.
If you do not want to proceed, select
No
, then press
ENTER
to
cancel the erase procedure.
4.
If you chose to erase DTCs, a “One moment please…” message
displays while the erase function is in progress.
If the vehicle’s engine is running, an advisory message shows.
Turn the engine OFF, then turn the ignition back to ON. DO
NOT start the engine. Press
ENTER
to continue.
If the erase was successful, a
confirmation message shows. The
Scan Tool automatically relinks to the
vehicle’s computer after 3 seconds.
If the erase was not successful and
ECU error code $22 is present, an
advisory message displays. Start
the engine and maintain vehicle
speed at 0, then press
ERASE
to try again.
If the erase was not successful, an advisory
message shows indicating the erase request was sent to the
vehicle’s computer. The Scan Tool automatically relinks to the
vehicle’s computer after 3 seconds.