Yamaha YZF1000RJ Service Manual page 370

____________ s1_G_N_AL_s_v_s_T_EM_I
ELEC
ID I
EBS06020
SIGNAL SYSTEM CHECK
1.lf the horn fails to sound:
f
1.Horn switch
• Disconnect the left handlebar switch
coupler from the wire harness.
• Disconnect the "Black/White" lead at the
horn terminal.
• Check for continuity as follows:
Brown
CD-
Black/White
®
~
CONTINUITY
2.Voltage
• Connect the pocket tester (DC 20 V) to
the horn lead.
Tester(+)
lead ➔
Black/White lead
CD
Tester (-) lead ➔ Frame ground
• Turn the main switch to "ON".
• Push the horn switch.
• Check the voltage ( 12 V) of the "Black/
White" lead at the horn terminal.
n
MEETS .
""7
SPECIFICATION
3.Horn
• Disconnect the "Black"
0
lead at the horn
terminal.
• Connect a jumper lead
CD
to the horn ter-
minal and ground the jumper lead.
• Turn the main switch to "ON".
• Push the horn switch.
8- 40
NO CONTINUITY
+
I
Replace the left handlebar switch.
-r
i
B/W
B
OUT OF SPECIFICATION
+
The wiring circuit from the main switch to
the horn terminal is faulty, repair it.
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