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10
About the
Scan Tool
DIS
PL
AY
FUNC
TIONS
3
5.
M (Menu)
button
– W
hen
pre
sse
d, d
isp
lay
s th
e M
ain
Men
u.
6.
LD button
–
When pressed
while
linked to
a vehicle,
places
the
Scan To
ol in
Live
Data mode.
7.
UP butto
n
– When
in ME
NU mode,
scrolls UP
through the
menu optio
ns. When
LINKED
to
a vehic
le,
scrolls
UP thro
ugh
the
current disp
lay screen
to disp
lay
any addit
iona
l data.
8.
ENTER
button
-
When in
Menu mode,
confirms
the selected
option or
value.
9.
DOWN
button
- W
hen
in
M
EN
U m
ode
, s
cro
lls
do
wn
thr
oug
h the
menu options.
When LI
NKED
to
a veh
icl
e, scr
olls do
wn throu
gh the
current disp
lay screen
to disp
lay
any addit
iona
l data.
10.GR
EEN
L
ED
-
Indicates tha
t
all eng
ine s
ystems are
runnin
g
normally (all
Monitors
on the
vehi
cle
are a
ctive and
performing their
diagnostic
testing,
and no
DTCs
are
present).
11.YEL
LOW
LE
D
-
Indicates there
is a
possible problem.
A “Pe
nding”
DTC
is pres
ent and/or
some of
the
vehicle's em
ission mon
itors
have
not run
their dia
gnostic testin
g.
12.RE
D L
ED
-
Indicates there
is a
problem in
one or
more o
f th
e
vehicle's
system
s. The
red LED
is al
so
used
to show
that DT
C(s)
are present.
DTCs are
show
n on
the Scan
Tool’s LCD
display.
In
this case,
the Malfunctio
n Indicator
(“Check
Eng
ine”)
lamp on
the
vehicle
's
ins
tru
men
t p
ane
l will
light steady
on.
13.Di
splay
- D
isp
lay
s te
st r
esu
lts
, S
can
T
ool
fun
ctio
ns
and
Mon
ito
r s
tat
us
info
rm
atio
n. S
ee
DIS
PLA
Y F
UN
CT
IO
NS
, b
elo
w, fo
r d
eta
ils
.
14.CABLE
- C
onn
ect
s th
e S
can
Too
l to
the
ve
hic
le'
s D
ata
Li
nk C
onn
ect
or
(DLC).
DISPLAY
FUNC
TIONS
Figure 2.
Display
Functions
See F
igure
2 for
the locations
of items
1 through
15, below.
1.
I/M M
ONIT
OR S
TA
TU
S f
ield
- Id
ent
ifie
s th
e I/
M Monitor
status area.
4
3
2
5
7
6
1
14
10
11
12
8
9
13
15
CODE RETRIEVAL PROCEDURE
Using the Scan Tool
CODE RETRIEVAL PROCEDURE
10
Red LED
– Indicates there is a
problem with one or more of the
vehicle’s systems. The red LED is
also used to indicate that DTC(s)
are present. In this case, the
Malfunction Indicator (Check Engine)
lamp on the vehicle’s instrument
panel will be illuminated.
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 systems, when an emis-
sions-related engine malfunction oc-
curs that causes a DTC to set, a re-
cord or snapshot of engine conditions
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.
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 Scan Tool’s
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).
Содержание ZR13s
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