User Manual

Additional Functions
BATTERY/ALTERNATOR MONITOR
3040e 67
To perform a battery check ONLY:
1. With the Scan Tool on the Code
Retrieval screen, press and release the
M button.
The Main Menu displays.
2. Use the UP
and DOWN
buttons, as necessary, to highlight
Battery/ Alternator Monitor, then
press the ENTER
button.
The Battery/Alternator Monitor
Menu displays.
3. Use the UP
and DOWN
buttons, as necessary, to highlight
Battery Monitor, then press the
ENTER
button.
An “instructional” message shows
on the diagnostic tool’s display,
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.
Turn the ignition on. DO NOT start the engine.
5. Press the ENTER
button to begin
the battery check.
If the engine is running, an
advisory message shows on
the diagnostic tool’s display.
Turn the engine off, then turn
the ignition on. DO NOT start
the engine. Press the ENTER
button to continue.
An “instructional” message shows
on the diagnostic tool’s display.
6. Turn the vehicle’s headlights on, the
press the ENTER
button to continue.