Starter Motor Operation Test; The Charging System (Except For Mf); Inspection Of The Charge Coil; Inspection Of The Rectifier - TOHATSU MFS 25D Service Manual

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Electrical System

7) Starter Motor Operation Test

1.
Assemble the starter motor and, before and after installing
it in the power unit, apply an electric current between the
positive and negative points to confirm that it is working
normally.
Be careful of fire, because the operating test
generates sparks.
7. The Charging System
(Except for MF)

1) Inspection of the Charge Coil

Remove the wire band 1 on the cable from the charge
1.
coil, located on the rectifier.
Disconnect the charge coil cable connector 2 and
2.
measure the resistance.
This test can be conducted without removing the
part.
Charge Coil Resistance: Reference Value (at 20°C)
Between Yellow (Y) terminal and Yellow (Y) or
Green (G) terminal

2) Inspection of the Rectifier

problems with the terminal connection.
following table. The values in ( ) are reference values.
unit.
This test can be conducted without removing the
part.
Rectifier Tester Check Table
White (W)
Black (B)
Yellow (Y)
Yellow (Y)
Yellow (Y)
8-32
"ON" means conductive, and "OFF" means not conductive.
Positive tester lead wire
White (W)
Black (B)
OFF
ON
ON
ON
ON
ON
ON
ON
Yellow (Y)
Yellow (Y)
OFF
OFF
ON
ON
ON
ON
ON
ON
Yellow (Y)
OFF
ON
ON
ON
4st 25/30 2022

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