•
14
•
Charging System Test
0ODFZPVIBWFDPNQMFUFEBOJOWFIJDMFUFTUUIFEJTQMBZBMUFSOBUFTCFUXFFO
the battery test results and the message PRESS
8
'03$)"3(*/(5&45
Press
UIF&/5&3
8
) button to proceed with the charging test.
Following the on-screen prompts:
1. Rev the engine.
2. Turn on high beams headlights and the blower fan.
3. Rev engine with loads on.
4. Idle engine and turn off loads.
5. The Charging System
decision is displayed at the end of the procedure.
Charging System Test Results
Decision
Interpretation
NO PROBLEMS
System is showing normal output from the alternator.
NO OUTPUT
No alternator output detected.
√
Check all connections to and from the alternator,
especially the connection 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 working
condition, replace the alternator. (Older vehicles
use external voltage regulators, which may require
only replacement of the voltage regulator.)
Alternator
Decision
Loads-off
DC Voltage
at rev
Loads-on
DC Voltage
at rev
continued
www.midtronics.com
MDX-650P
Battery Conductance &
System Analyzer
Summary of Contents for MDX-650 MILITARY
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