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Additional Tests
PERFORMING A SERVICE CHECK - BATTERY/ALTERNATOR TEST
36
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.
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