PulseTech 390PT 6V and 12V Battery Tester (741X390) User Manual
Page 6

800-580-7554
6
SYSTEM TEST
1. Press «ENTER» button, you will view the
following screen:
2. Turn off all vehicle accessory loads such as
lights, air conditioning, radio, etc. Before
starting the engine.
3. When the engine is started, one of the three
results will be displayed along with the actual
reading measured.
CRANKING VOLTS NORMAL
The system is showing normal draw. Press
«ENTER» to perform the charging system test.
CRANKING VOLTS LOW
The cranking voltage is below normal limits,
troubleshoot the starter with manufacturers
recommended procedure.
CRANKING VOLTS NOT DETECTED
The cranking voltage is not detected.
4. If the cranking voltage is normal, press
«ENTER» to begin charging system test.
5. Press the «ENTER» key, you will view the
following screen.
6. Press the «ENTER» key, one of the three results will be displayed along with the actual
reading measured.
LOW CHARGING VOLTS WHEN TEST AT IDLE
The alternator is not providing sufficient current to the
battery. Check the belts to ensure the alternator is rotat-
ing with engine running. If the belts are slipping or broken,
replace the belts and retest. Check the connections from the alternator to the battery. If
the connection is loose or heavily corroded, clean or replace the cable and retest. If the
belts and connections are in good condition, replace the alternator.
CHARGING SYSTEM NORMAL WHEN TEST AT IDLE
The system is showing normal output from the alternator.
No problem is detected.
SYSTEM TEST
xx.xxV
TURN OFF LOADS
START ENGINE
CRANKING VOLTS
xx.xxV NORMAL
CRANKING VOLTS
xx.xxV LOW
CRANKING VOLTS
NOT DETECTED
PRESS ENTER FOR
CHARGING TEST
MAKE SURE ALL
LOADS ARE OFF
ALT. IDLE VOLTS
xx.xxV LOW
ALT. IDLE VOLTS
xx.xxV NORMAL