Midtronics MDX-P300, User Manual

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Starter System Test Results
Decision Interpretation
CRANKING
VOLTAGE OK The starter voltage is normal and the battery is
fully charged.
CRANKING
VOLTAGE LOW The starter voltage is low and the battery is fully
charged.
CHARGE BATTERY The starter voltage is low and the battery is dis-
charged. Fully charge the battery and repeat the
starter system test.
REPLACE BATTERY If the battery test result was REPLACE or BAD
CELL, the battery must be replaced before test-
ing the starter.
If you have completed an in-vehicle test, the display alternates between
the battery test results and the message PRESS

FOR CHARGING
TEST. With the engine running, press ENTER to continue.
IMPORTANT: Before starting the test, inspect the alternator drive belt. A
belt that is glazed or worn, or lacks the proper tension, will prevent the
engine from achieving the rpm levels needed for the test.
Charging System Test
The display alternates between the decision on the charging system and
the alternator’s peak output voltage.
Charging System Test Results
Decision Interpretation
CHARGING
VOLTAGE OK The system is showing normal output from the al-
ternator. No problem detected.
CHARGING
VOLTAGE NONE The alternator is not providing charging current to
the battery.
√ Check the belts to ensure the alternator is ro-
tating with the engine running. Replace broken
or slipping belts and retest.
continued