Shibaura ST318, Руководство по ремонту

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(3) Troubleshooting when charge lamp is turned on while the engine is running.
Improper contact in alternator connector (B, IG and
L) or disconnection in wiring (including IG circuit
fuse) on vehicle or short circuit.
Turn ignition switch off.
There is short circuit of load between L and E
terminals.
Start engine and check battery voltage at engine
revolution of 2000 rpm. (While all other electrical
load is off and regulator temperature at 25°C.) Is it
within 14.5 ± 0.6 V?
NOTE:
When
regulator temperature is
higher, it shall be between 13.0 V and
15.5V.
Check alternator output characteristic by using
regulator tester. It has standard output at engine
revolution of 2000 rpm.
Check wiring for charge system on vehicle
again.
Repair fault and start engine.
Charge lamp is turned on.
OK
Repair or replace load between L and
E terminals.
Ground alternator F terminal and raise engine
revolution. B terminal voltage is above 13V.
Replace IC
regulator.
(T
r1
open, etc.)
Repair
alternator.
(Disconnection
of coil, etc.)
Repair alternator.
(Defective diode,
starter, etc.)
YES
YES
YES
YES
YES
YES
NO
NO
NO
(Lower)
NO
NO