Yamaha TDM900 R Supplementary Service Manual page 21

S Dose the headlight relay have continuity be-
tween red/yellow and green/blue?
YES
EAS00784
5. Dimmer switch
S Check the dimmer switch for continuity.
Refer to "CHECKING THE SWITCHES".
S Is the dimmer switch OK?
YES
EAS00786
6. Pass switch
S Check the pass switch for continuity.
Refer to "CHECKING THE SWITCHES".
S Is the pass switch OK?
YES
NO
Replace the head-
light relay.
NO
The dimmer switch is
faulty. Replace the
left handlebar
switch.
NO
The pass switch is
faulty. Replace the
left handlebar
switch.
LIGHTING SYSTEM
EAS00787
7. Wiring
S Check the entire lighting system's wiring.
Refer to "CIRCUIT DIAGRAM".
S Is the lighting system's wiring properly con-
nected and without defects?
Check the condition
of each of the lighting
system's circuits.
Refer to "CHECK-
ING THE LIGHTING
SYSTEM".
–13–
ELEC
YES
Properly connect or
repair the lighting
system's wiring.
NO