ELEC
LIGHTING SYSTEM
7-28
YES
NO
•
Does the headlight relay have continuity
between red / blue and blue / white?
Check the condition
of each of the lighting
system’s circuits.
Refer to “CHECKING
THE LIGHTING
SYSTEM”.
Properly connect or
repair the lighting
system’s wiring.
7. Wiring
• Check the entire lighting system’s wiring.
Refer to “CIRCUIT DIAGRAM”.
• Is the lighting system’s wiring properly
connected and without defects?
YES
NO
Replace the headlight relay.
4. Dimmer switch
YES
NO
• Check the dimmer switch for continuity.
Refer to “CHECKING THE SWITCHES”.
• Is the dimmer switch OK?
Replace the left
handlebar switch.
5. Pass switch
YES
NO
Replace the left
handlebar switch.
• Check the pass switch for continuity.
Refer to “CHECKING THE SWITCHES”.
• Is the pass switch OK?
6. Headlight relay
•
Disconnect the headlight relay from the
wire harness
•
Connect the pocket tester (
Ω
x 1) (12V) to
the headlight relay terminal, as shown.
•
Check the headlight relay for continuity.
Positive battery terminal —> White / Black
(1
(1
(1
(1
(1)
))
))
Negative battery terminal —> Yellow / Red
(2
(2
(2
(2
(2)
))
))
Positive tester probe —> Yellow / Red
1
1
1
1
1)
))
))
Negative tester probe —> Blue
(
((
((2
2
2
2
2)
Summary of Contents for YBR250 2007
Page 1: ...YBR250 SERVICE MANUAL 5D1 F8197 E0 2007 ...
Page 2: ......
Page 359: ...YAMAHA MOTOR DA AMAZÔNIA LTDA ...
