Starter System Test Results; Charging System Test; Charging System Test Results - Midtronics MDX-300 Series Instruction Manual

Battery & elecrical system tester for 12-volt automotive starting batteries and starting/charging systems
Table of Contents

Advertisement

Starter System Test Results

Decision
CRANKING
VOLTAGE OK
CRANKING
VOLTAGE LOW
CHARGE BATTERY
REPLACE BATTERY
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
CHARGING
VOLTAGE OK
CHARGING
VOLTAGE NONE
The starter voltage is normal and the battery is
fully charged.
The starter voltage is low and the battery is fully
charged.
The starter voltage is low and the battery is dis-
charged. Fully charge the battery and repeat the
starter system test.
If the battery test result was REPLACE or BAD
CELL, the battery must be replaced before test-
ing the starter.
The system is showing normal output from the al-
ternator. No problem detected.
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.
9
Interpretation
Interpretation
MDX-300 Series
continued

Advertisement

Table of Contents
loading

Table of Contents