Yamaha YP400T Service Manual page 343

EAS00750
9. Engine stop switch
• Check the engine stop switch for continu-
ity.
Refer to "CHECKING THE SWITCHES".
• Is the engine stop switch OK?
YES
EAS00752
10.Sidestand switch
• Check the sidestand switch for continuity.
Refer to "CHECKING THE SWITCHES".
• Is the sidestand switch OK?
YES
NO
Replace the right
handlebar switch.
NO
Replace the side-
stand switch.
8 - 12
IGNITION SYSTEM
EAS00753
11.Starting circuit cut-off relay
• Remove the starting circuit cut-off relay.
• Connect the pocket tester (Ω × 1) to the
starting circuit cut-off relay terminals as
shown.
• Check the starting circuit cut-off relay for
continuity.
Positive tester probe →
blue/yellow 1
Negative tester probe →
red/black 2
Positive tester probe →
red/black 2
Negative tester probe →
blue/yellow 1
2
1
L/Y
R/B
NOTE:
_
When you switch the positive and negative
tester probes, the readings in the above chart
will be reversed.
• Are the tester readings correct?
YES
– +
ELEC
Continuity
No
continuity
G/W
G/Y
NO
Replace the starting
circuit cut-off relay.