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UNDERCHARGED BATTERY
This conditions, as evidenced by slow cranking or indi-
cator clear with red dot can be caused by one or more
of the following conditions even though indicator light
may be operating normally. Following procedure also
applies to vehicle with voltmeter and ammeter.
1) Connect voltmeter and ammeter as shown below.
NOTE:
Discharged battery will not work for this test.
Before testing, make sure that battery is fully
charged.
2) Run engine from idling up to 3,000 RPM and read
meters.
CAUTION
!
All electrical loads except ignition are switched
off.
Standard Current 10 A maximum
Standard voltage
14.4–15.0 V at 20° C,
68° F
NOTE:
Consideration should be taken that voltage differs
somewhat with regulator case temperature.
3) When voltage is higher than standard voltage range,
check ground of brush. If no faulty condition is found,
replace IC regulator.
4) When voltage is lower than standard voltage range,
run engine at 3,000 RPM and turn off headlights. Mea-
sure electric current. If measured value is larger than
that under no load condition, it is normal.
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