Yamaha GRIZZLY 700 FI YFM7FGPW, Service Manual

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ELEC
SIGNALING SYSTEM
EBS01075
CHECKING THE SIGNALING SYSTEM
EBS01076
1. The brake light fails to come on.
YES NO
YES
NO
EBS01053
YES
NO
1. Brake light bulb and bulb socket
• Check the brake light bulb and bulb socket
for continuity.
Refer to “CHECKING THE BULBS AND
BULB SOCKETS”.
• Are the brake light bulb and bulb socket
OK?
Replace the brake
light bulb, bulb
socket or both.
2. Brake light switches
• Check the brake light switches for continu-
ity.
Refer to “CHECKING THE SWITCHES”.
• Is the brake light switch OK?
Replace the brake
light switch.
3. Diode 3
• Remove the diode 3 from the wire har-
ness.
• Connect the pocket tester (
Ω ×
1) to the
diode 3 as shown.
• Measure the diode 3 for continuity as fol-
lows.
NOTE:
_
The pocket tester 90890-03112 and the ana-
log pocket tester YU-03112-C readings are
shown in the following table.
Positive tester probe
→
yellow/white
1
Negative tester probe
→
yellow
2
Continuity
Positive tester probe
→
yellow
2
Negative tester probe
→
yellow/white
1
No
continuity
• Are the testing readings correct?
Replace the diode 3.
1
2
Y
Y / W