Full Product Manual

Table Of Contents
40
coolant temperature (ECT), or vehicle speed sensor (VSS). This
information will aid the technician by allowing the parameters to be
duplicated for diagnostic and repair purposes.
1) To view freeze frame data, use the UP/DOWN scroll button to select
View Freeze Frame from Diagnostic Menu and press the OK button.
2) Wait while the scan tool validates the PID MAP.
3) If retrieved information displays on more than one screen, use the
DOWN scroll button, as necessary, until all the data have been shown
up.
Figure 4-25
If no freeze frame data is available, the message No freeze
frame data stored displays.
4) To view full name of a PID, use the UP/DOWN scroll button to select
the PID, and press the HELP button.
5) Press ESC button to return to previous screen.
Retrieve 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 state emissions compliance.
CAUTION: By clearing trouble codes you also clear the readiness status for
the individual emission system readiness tests. In order to reset these
monitors, the vehicle must be driven through a complete drive cycle with no
trouble codes in memory. Amount of time needed for reset vary by vehicle.
Some latest vehicle models may support two types of I/M Readiness tests: