Yamaha 2008 YW50X Service Manual page 244

SIGNAL SYSTEM E L E C
' - * '
Y P 8 0 6 0 2 0
S I G N A L S Y S T E M C H E C K
1. If the horn fails to sound.
l
l. HORN switch
Refer to "CHECKING SWITCHES" section.
NO CONTINUITY
CONTINUITY
2. Voltage
• Connect the pocket tester (DC20V) to the
horn lead.
Tester (+) l e a d - > B r o w n terminal (~.
Tester (-) lead->Frame g r o u n d
• Turn the main switch to on.
• Check for voltage (12V) on the " B r o w n "
lead at the horn terminal.
,•
M E E T S
SPECIFICATION
3. Horn
• Connect the pocket tester (DC20V) to the
horn at the " P i n k " terminal.
Tester (+) lead->Pink (~ terminal.
Tester (-) lead->Frame g r o u n d
• Turn the main switch to on.
• Check for voltage on the " P i n k " lead at
the horn terminal.
@ C O N T I N U I T Y
i A d j u s t or replace horn.
I Replace the left h a n d l e b a r switch.
_L
i
LoLI
OUT OF SPECIFICATION
I The w i r i n g circuit from the main switch to the e
n
horn is faulty. Repair.
I
1- "Y
_L
NO CONTINUITY
I Replace the horn.
7-36