Yamaha VMX12 2001, Service Manual

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ELEC
LIGHTING SYSTEM
EAS00784
YES
NO
EAS00786
YES
NO
EAS00787
YES NO
EAS00788
CHECKING THE LIGHTING SYSTEM
1. The headlight and the high beam indicator
light fail to come on.
YES
NO
YES
NO
5. 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.
6. 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.
7. Wiring connections
• Check the entire lighting system’s wiring.
Refer to “CIRCUIT DIAGRAM”.
• 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”. Properly connect or
repair the lighting
system’s wiring.
1. Headlight bulb and socket
• Check the headlight bulb and socket for
continuity.
Refer to “CHECKING THE BULBS AND
BULB SOCKETS”.
• Is the headlight bulb and socket OK?
Replace the head-
light bulb, socket or
both.
2. High beam indicator light bulb and socket
• Check the high beam indicator light bulb
and socket for continuity.
Refer to “CHECKING THE BULBS AND
BULB SOCKETS”.
• Is the high beam indicator light bulb and
socket OK?
Replace the high
beam indicator light
bulb, socket or both.
3. Voltage
• Connect the pocket tester (DC 20 V) to the
headlight and high beam indicator light cou-
plers as shown.
È
When the dimmer switch is set to “ ”
É
When the dimmer switch is set to “ ”
Headlight coupler (wire harness side)