Yamaha YW50P Service Manual page 189

..o.T.°o s sTEM IE'EC I I
• Turn the main switch to on.
• Start the engine.
• Turn the dimmer switch to low beam or
high beam.
• Checkfor voltage (12V) on the lead at bulb
socket connectors.
,•
MEETS
SPECIFICATION
I This circuit is not faulty.
Y P 8 0 5 0 2 1
2. If t h e m e t e r light f a i l s t o c o m e o n .
l
l. Bulb and bulb socket
Refer to "CHECKING SWITCHES" section.
7 C O N T I N U I T Y
2. V o l t a g e
• C o n n e c t t h e p o c k e t t e s t e r (DC20V) t o t h e
b u l b s o c k e t c o u p l e r .
Tester (+) lead-->
Blue terminal (~
Tester (-) lead-->
Black terminal (~)
%
- - L
G_~y
,B
• Turn the main switch to on.
• Start the engine.
• Check the voltage (12V) of the leads on
the bulb socket connector.
g MEETS
SPECIFICATION
I This circuit is not faulty.
OUT OF SPECIFICATION
I The wiring circuit from the main switch to
bulb socket connector is faulty. Repair.
I NO CONTINUITY
1
I Replace the bulb and/or bulb socket.
OUT OF SPECIFICATION
I
7-30
The wiring circuit from main switch to bulb
socket is faulty. Repair.