1.9 Erasing Codes
CAUTION: Erasing the Diagnostic Trouble Codes may allow the scan tool to delete not only the codes
from the vehicle's on-board computer, but also “Freeze Frame'' data and manufacturer specific
enhanced data. Further, the I/M Readiness Monitor Status for all vehicle monitors is reset to Not
Ready or Not Complete status. Do not erase the codes before the system has been checked
completely by a technician.
This function is performed with key on engine off (KOEO). Do not start the engine.
2.0 Live Data
（
1
）
The View Data function allows viewing of live or real time PID data of vehicle's computer
module(S).
To view live data, use UP/DOWN scroll button to select Live Data from Diagnostic Menu and press
ENTER button.
（
2
）
The Record Data function allows recording vehicle modules' Parameter Identification (FID) data
to help diagnose intermittent vehicle problems. A recording includes 5 frames of live data before
trigger event and several frames after trigger event.
（
3
）
The Playback Data function allows viewing of previously stored PID data. To playback recorded
data, use UP/DOWN scroll button to select Playback Data from Live Data menu and press RNTER
button. Playing Back Data. The Playback Data function allows viewing of previously stored PID data.
You are also allowed to playback recorded data immediately after recording.
2.1 Viewing Freeze Frame Data:
(1)To view freeze frame data, use UP/DOWN scroll button to select View , Freeze Frame from
Diagnostic Menu and press ENTER button.
(2)Wait a few seconds while the scan tool validates the PID MAP.
If retrieved in formation covers more than open screen, then a down arrow will appear. Use DOWN
scroll button, as necessary, until all the data have been shown up.
(3)If there is no freeze frame data available
，
an advisory message "No freeze frame data stored!"
shows on the display. If you want to view full name of a PID, use UP/DOWN scroll button to select the
PID, and press HELP button.
(4)Wait a few seconds of press any button to return to previous screen.
2.2 Retrieving I/M Readiness Status
I/M Readiness function is used to check the operations of the Emission System on OBD2 compliant
vehicles. It is an excellent function to use prior to having a vehicle inspected for compliance to a
state emissions program.
Some latest vehicle models may support two types of I/M Readiness tests:
DTCs Cleared - indicates status of the monitors since the DTCs are erased.
