Yamaha XT660X(S) Automobile User Manual


 
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ELEC
LIGHTING SYSTEM
EAS00784
YES
NO
EAS00786
YES
NO
YES
NO
EAS00787
YES
NO
4. Dimmer switch
Check the dimmer switch for continuity.
Refer to CHECKING THE SWITCHES.
Is the dimmer switch OK?
The dimmer switch is
faulty. Replace the
left handlebar switch.
5. Pass switch
Check the pass switch for continuity.
Refer to CHECKING THE SWITCHES.
Is the pass switch OK?
The pass switch is
faulty. Replace the
left handlebar switch.
6. Headlight relay
Disconnect the headlight relay from the wire
harness.
Connect the pocket tester (
×
1) and bat-
tery (12 V) to the headlight relay terminal as
shown.
Check the headlight relay for continuity.
Battery positive terminal
red/yellow
1
Battery negative terminal
yellow/black
2
Positive tester probe
red/blue
3
Negative tester probe
blue/white
4
Does the headlight relay have continuity
between red/blue and blue/white?
Replace the head-
light relay.
7. Wiring
Check the entire lighting systems wiring.
Refer to CIRCUIT DIAGRAM.
Is the lighting systems wiring properly
connected and without defects?
Check the condition
of each of the lighting
systems circuits.
Refer to CHECK-
ING THE LIGHTING
SYSTEM.
Properly connect or
repair the lighting
systems wiring.
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R/L
L/W
R/YY/B
1
2
3
4