GB.11-V2
CHARGING SYSTEM NORMAL WHEN TEST AT IDLE
The system is showing
normal output from the
alternator. No problem is
detected.
HIGH CHARGING VOLTS WHEN TEST AT IDLE
The voltage output from
the alternator to the battery
exceeds the normal limits
of a functioning regulator.
Check to ensure there is no loose connection and the
ground connection is normal. If there is no connection
issue, replace the regulator. Since most alternators
have the regulator built-in, this will require you to
replace the alternator. The normal high limit of a typical
automotive regulator is 14.7 volts +/- 0.05. Check
manufacturer specifications for the correct limit, as it will
vary by vehicle type and manufacturer.
7.
Following
the
charging
system
at
idle,
press
«ENTER» for the charging
system
with
accessory
loads. Turn on the blower
to high (heat), highbeam headlights, and rear defogger.
Do not use cyclical loads such as air conditioning or
windshield wipers.
8.
When testing older model
diesel engines, the users
need to run up the engine
to
2500
rpm
for
15
seconds. You will view the screen as follows.
9.
Press «ENTER» to look for the amount of ripple from
the charging system to the battery.
One of two testing results will be displayed along with
ALT. IDLE VOLTS
××.××V NORMAL
TURN ON LOADS
AND PRESS ENTER
RUN ENGINE UP TO
2500 RPM 15 SEC.
ALT. IDLE VOLTS
××.××V HIGH
