Yamaha 2004 YP400 Service Manual page 362

EAS00750
7. Engine stop switch
• Check the engine stop switch for continu-
ity.
Refer to "CHECKING THE SWITCHES".
• Is the engine stop switch OK?
YES
EAS00751
8. Brake light switch (front and rear)
• Check the brake light switches for continu-
ity.
Refer to "CHECKING THE SWITCHES".
• Is each brake light switch OK?
YES
EAS00752
9. Sidestand switch
• Check the sidestand switch for continuity.
Refer to "CHECKING THE SWITCHES".
• Is the sidestand switch OK?
YES
EAS00764
10.Start switch
• Check the start switch for continuity.
Refer to "CHECKING THE SWITCHES".
• Is the start switch OK?
YES
ELECTRIC STARTING SYSTEM
NO
Replace the right
handlebar switch.
NO
Replace the brake
light switch(s).
NO
Replace the side-
stand switch.
NO
Replace the right
handlebar switch.
EAS00766
11.Wiring
• Check the entire starting system's wiring.
Refer to "CIRCUIT DIAGRAM".
• Is the starting system's wiring properly
connected and without defects?
The starting system
circuit is OK.
8 - 18
ELEC
YES
Properly connect or
repair the
system's wiring.
– +
NO
starting