6.
Analyzing Data: The Micro740 will analyze all readings to
provide the results of the charging system test:
Table 4. Charging system test results
Result
Recommendation
CHARGING
The system is showing normal output from the
SYSTEM
alternator.
NORMAL
A problem was detected in the charging system.
CHARGING
The possible causes are listed below. (Refer to
SYSTEM
the vehicle's service manual for general alternator
PROBLEM
and starter diagnosis information.)
No Charging Voltage
The alternator is not providing charging current to
the battery.
Low Charging Voltage
The alternator is not providing sufficient current to
charge the battery and for the system's electrical
loads.
High Charging Voltage
The voltage output from the alternator to the bat-
tery exceeds the normal limits of a functioning
regulator.
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