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Starting unit and component
Starting unit and component
Checking the starter relay
The starter relay cannot be removed for test-
ing or replaced as a single unit because it is a
component part of the electrical management
box.
1. Check:
• Starter relay
a. Connect the YDIS to display “Starter
relay”.
b. Turn the main switch or power switch
to ON, and then check that “ON” is dis-
played for “Starter relay” on the YDIS
screen.
c. Remove the fuse cover.
d. Measure the input voltage between the
starter fuse “a” and ground.
e. Turn the main switch or power switch
to OFF.
f. Install the fuse cover.
Checking the engine start switch and
main switch (6X6)
1. Check:
• Engine start switch
• Main switch
a. Disconnect the engine start switch
coupler or main switch coupler.
b. Check the engine start switch or main
switch for continuity at the engine start
switch coupler or main switch coupler.
*1. Engine start switch only
c. Connect the engine start switch cou-
pler or main switch coupler.
Checking the engine start/stop button
(6X6)
1. Check:
• Engine start/stop button
a. Disconnect the engine start/stop but-
ton coupler.
b. Check the engine start/stop button for
continuity at the engine start/stop but-
ton coupler.
Input voltage
12 V
Starter motor fuse “a”– Ground
A. Engine start switch
B. Main switch
Switch
position
Terminal
abcde
OFF
ON
START
*1
3. START
2. ON
1. OFF
b
a
a
B
b
e
A
c
d
c
d
1. OFF
2. ON
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