User Manual

Additional Functions
BATTERY/ALTERNATOR MONITOR
3040e 69
 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
Alternator Monitor, then press the
ENTER
button.
 An “instructional” message shows
on the diagnostic tool’s display.
4. Start and warm the engine to normal
operating temperature. Turn on the
headlights. Press the ENTER
button
to continue.
 An “instructional” message shows
on the diagnostic tool’s display.
5. Press the accelerator pedal to raise
engine speed to 2000 RPM, and
maintain the engine speed.
 When engine speed is within the
required range, the alternator test
begins. A progress screen shows
the Engine RPM and “countdown”
timer.
 When the “countdown” timer expires,
an “instructional” message shows
on the diagnostic tool’s display.
6. Turn the vehicle’s headlights off, and
return the engine to idle speed.
 A “One moment please…” message
displays while the test results are
retrieved.
7. When the alternator check is complete,
a results screen shows charging system
voltage and indicates whether or not the
charging system is within acceptable
limits. The SYSTEM STATUS LEDs
provide a PASS/FAIL indication, as
follows:
 Green = System within limits
 Yellow = Over charging or under
charging
 Red = Excessive over charging or
under charging