Yamaha YFM45FAR, Service Manual

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ELEC
LIGHTING SYSTEM
EB805020
CHECKING THE LIGHTING SYSTEM
1.If the headlights fail to come on:
CONTINUITY
1.Bulb and bulb socket
●
Check the bulb and bulb socket for
continuity.
NO CONTINUITY
Replace the bulb and/or bulb socket.
2.Voltage
●
Connect the pocket tester (DC 20 V) to the
headlight couplers.
Tester (+) lead
→
Green terminal
1
or Yellow terminal
2
Tester (–) lead
→
Black terminal
3
È
When the light switch is on “ ”.
É
When the light switch is on “ ”.
È É
MEETS
SPECIFICATION
●
Turn the main switch to “ON”.
●
Turn the light switch to “ ” or “ ”.
●
Check the voltage (12 V) of the “Green”
and “Yellow” leads on the bulb socket
connector.
This circuit is not faulty.
OUT OF SPECIFICATION
The wiring circuit from the main switch to the
bulb socket connector is faulty, repair it.