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About the Scan Tool
DISPLAY FUNCTIONS
3
5. M (Menu) button – When pressed, displays the Main Menu.
6. LD button – When pressed while linked to a vehicle, places the
Scan Tool in Live Data mode.
7. UP button – When in MENU mode, scrolls UP through the
menu options. When LINKED to a vehicle, scrolls UP through the
current display screen to display any additional data.
8. ENTER button - When in Menu mode, confirms the selected
option or value.
9. DOWN button - When in MENU mode, scrolls down through the
menu options.
When LINKED to a vehicle, scrolls down through the
current display screen to display any additional data.
10. GREEN LED - Indicates that all engine systems are running
normally (all Monitors on the vehicle are active and performing
their
diag
nostic testing, and no DTCs
are present).
11. YELLOW LED - Indicates there is a possible problem. A “Pending”
DTC is present and/or some of the vehicle's emission monitors have
not run their diagnostic testin
g.
12. RED LED - Indicates there is a problem in one or more of the
vehicle's systems. The red LED is also used to show that DTC(s)
are present. DTCs are shown on the Scan Tool’s LCD display. In
this case, the Malfunction Indicator (“Check Engine”) lamp
on the
vehicle's instrument panel will light steady on.
13. Display - Displays test results, Scan Tool functions and Monitor status
information. See DISPLAY FUNCTIONS, below, for details.
14. CABLE - Connects the Scan Tool to the vehicle's Data Link Connecto
r
(DLC).
DISPLAY FUNCTIONS
Figure 2. Display Functions
See Figure 2 for the locations of items 1 through 15, below.
1. I/M MONITOR STATUS field - Identifies the I/M Monitor status area.
4
3
2
5
7
6
114
10
11
12
8
9
13
15
SERVICE CHECK - BATTERY/ALTERNATOR TEST
Additional Tests
PERFORMING A SERVICE CHECK - BATTERY/ALTERNATOR TEST
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PERFORMING A SERVICE CHECK
The Service Check function lets you check the current oil level and oil
life.
1. While linked to the vehicle, press M.
The Main Menu displays.
2. Select Service Check, then press
ENTER
.
The Service Check screen displays.
The screen shows the current
Engine Oil Level and Oil Life
Remaining.
3. When you have finished viewing the information, press M to return
to the Main Menu.
BATTERY/ALTERNATOR TEST
The Scan Tool can perform a check of the vehicle’s battery and
alternator system to ensure the system is operating within acceptable
limits. You can perform a battery check only, an alternator system
(battery and alternator) check, or as hybrid/EV battery system test.
To perform a battery check ONLY:
1. Press M and release.
The Main Menu displays.
2. Select Battery/Alternator Test, then
press ENTER
.
The Battery/Alternator Test Menu
displays.
3. Select Battery Test, then press ENTER
.
An “instructional” message displays, showing the procedures to
prepare the vehicle for the battery check.
4. Prepare the vehicle for the battery check:
Turn the engine off.
Place the transmission in PARK or NEUTRAL, and set the
parking brake.
Make a visual check of the battery’s condition. If the battery
terminals are corroded or other damage is present, clean or
replace the battery as appropriate.
For “unsealed” batteries, make sure the water level in each cell
is above the battery plates.