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DTC's that start with "P0", "P2" and some "P3" are considered
Generic (Universal). All Generic DTC definitions are the same on all
OBD2 equipped vehicles. The Scan Tool automatically displays the
code definitions (if available) for Generic DTC's.
DTC's that start with "P1" and some "P3" are Manufacturer specific
codes and their code definitions vary with each vehicle manufacturer.
13. If more than one DTC was retrieved, and to view Freeze Frame
Data, press and release DTC/FF, as necessary.
Each time DTC/FF is pressed and released, the Scan Tool will
scroll and display the next DTC in sequence until all DTCs in its
memory have displayed.
Freeze Frame Data (if available) will display after DTC #1.
In
OBD2
emissions-related engine malfunction
occurs that causes a DTC to set, a
record or snapshot of engine condi-
tions at the time that the malfunction
occurred is also saved in the vehicle's
computer memory. The record saved
is called Freeze Frame data. Saved
engine conditions include, but are not
limited to: engine speed, open or closed loop operation, fuel system
commands, coolant temperature, calculated load value, fuel
pressure, vehicle speed, air flow rate, and intake manifold pressure.
If more than one malfunction is present that causes more than
one DTC to be set, only the code with the highest priority will
contain Freeze Frame data. The code designated "01" on the
Scan Tool display is referred to as the PRIORITY code, and
Freeze Frame data always refers to this code. The priority
code is also the one that has commanded the MIL on.
Retrieved information can be uploaded to a Personal Computer
(PC) with the use of optional software (see instructions included
with the software for more information).
14. When the last retrieved DTC has been displayed and DTC/FF is
pressed, the Scan Tool returns to the "Priority" Code.
15. Determine engine system(s) condition by viewing the display for any
retrieved Diagnostic Trouble Codes, code definitions and Freeze Frame
data, interpreting the green, yellow and red LEDs.
If DTC's were retrieved and you are going to perform the repairs
yourself, proceed by consulting the Vehicle's Service Repair
Manual for testing instructions, testing procedures, and flow
charts related to retrieved code(s).
To prolong battery life, the Scan Tool automatically shuts "Off"
approximately three minutes after it is disconnected from the
vehicle. The DTCs retrieved, Monitor Status and Freeze Frame
data (if any) will remain in the Scan Tool's memory, and may be
viewed at any time by turning the unit "On". If the Scan Tool's
batteries are removed, or if the Scan Tool is re-linked to a
vehicle to retrieve codes/data, any prior codes/data in its
memory are automatically cleared.
Using the Scan Tool
CODE RETRIEVAL PROCEDURE
systems,
when
an
11
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