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O
N-V EH IC LE SER VIC E
A LT E R NATO R OUTP U T LIN E VO LT A G E DRO P TE ST
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M
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ENGINE ELECTRICAL -Charging System16-10
14. If the voltage reading conforms to the value
in the voltage regulation, then the voltage
regulator is operating normally.
If the voltage is not within the standard value,
there is a malfunction of the voltage regulator
or of the alternator.
15. After the test, lower the engine speed to the
idle speed.
16. Turn the ignition switch off.17. Remove the tachometer or the MUT-II.
18. Disconnect the negative battery cable.
19. Disconnect the ammeter and voltmeter.
20. Connect the alternator output wire to the
alternator “B” terminal.
21. Remove the special tool, and return the
connector to the original condition.
22. Connect the negative battery cable.
Voltage Regulation Table
Standard value:
Inspection terminalVoltage regulator ambient temperature_
CVoltage V
Terminal “S”-2014.2 - 15.4
2013.9 - 14.9
6013.4 - 14.6
8013.1 - 14.5
www.WorkshopManuals.co.uk
Purchased from www.WorkshopManuals.co.uk
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S
PEC IA L PAT TE R NS P
AT TE R N HEIG HT V
A R IA BLE V
A R IA BLE kn ob A
dju st w hile vie w in g th e wave -
f o rm . P
AT TE R N SELE C TO R R
ASTE R E
ngin e sp eed C
urb id le sp eed
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P
ro ble m
c a use A
bnorm alw ave fo rm s P
ro ble m
c a use E
xa m ple 1 O
pen dio de E
xa m ple 4 S
hort in sta to r
c o il E
xa m ple 2 S
hort in dio de E
xa m ple 5 O
pen su pple -
m enta ry
d io de E
xa m ple 3 B
ro ke n wir e in
s ta to r co il N
O TE
A tth is tim e, th e ch arg in g warn in g la m p
i s illu m in ate d.