Yamaha 5KM2-AE1, 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 continu-
ity.
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 lights switch is on “LO”.
É
When the lights switch is on “HI”.
È É
MEETS
SPECIFICATION
●
Turn the main switch to “ON”.
●
Turn the lights switch to “LO” or “HI”.
●
Check the voltage (12 V) of the “Green”
and “Yellow” leads on the bulb socket con-
nector.
This circuit is not faulty.
OUT OF SPECIFICATION
The wiring circuit from the main switch to the
bulb socket connector is faulty, repair it.