Honda VFR800F 2014 Service Manual page 357

ABS (ll AC,
III CM
types)
DTC INDEX
NOTE:
'
The ABS
indicator might blink
in
the following
cases, Correct the faulty
part.
-
lncorrect
tire
pressure.
-
Tires
not recommended for the
motorcycle were
installed (incorrect tire size).
-
Deformation
of the wheel or
tire.
'
The
ABS
tndicator might
blink while riding under the following conditions. This
is temporary failure. Be sure to erase the
DTC
(page
18-7). Then, test-ride the
motorcycle above
3O
kmih
(19 mph) and check the
Dfb
(page
18-6). Ask the rider for the riding
conditions in detail when the
motorcycle is brought
in
for
inspection.
-
The motorcycle has
continuously
run bumpy roads.
-
The front
wheel leaves the ground for a long time
when riding (wheelie).
-
Only either the front or
rear wheel
rotates.
-
The ABS operates continuously.
-
The ABS
control
unit has been disrupted
by an extremely powerful radio wave
(electromagnetic intefference).
DTC Function failure
Detection
Symptom/Fail-safe function
Refer
to
A
B
ABS
indicator malfunction
.
ABS modulator voltage
input
line
.
lndicator
related wires
.
Combination meter
.
ABS
modulator
.
ABS
MAIN fuse (10 A)
ABS indicator never comes
ON at
all
1B-11
ABS indicator stays ON
at
all times
18-11
1-1
Front wheel speed sensor circuit malfunction
(open circuit)
.
Wheel speed sensor
or related wires
o o
.
Stops ABS
operation
18-13
1a
Front wheel
speed sensor malfunction
.
Wheel speed sensor, pulser ring
or
related
wires
.
Electromagnetic interference
Stops ABS operation
18-13
Rear wheel
speed sensor circuit malfunction
.
Wheel speed sensor
or
related wires
o
Stops ABS operation
18-15
1-4
Rear wheel
speed sensor malfunction
.
Wheel
speed sensor, pulser ring
or related
wires
.
Electromagnetic interference
Stops ABS operation
18-15
'1-5
Front or
rear wheel speed sensor circuit
malfunction (short circuit)
.
Wheel speed sensor
or related wires
o
Stops ABS operation
18-17
2-1
Front
pulser
ring
.
Pulser ring or
related wires
Stops ABS
operation
18-13
Rear pulser
ring
.
Pulser ring or
related wires
Stops ABS operation
18-15
3-1 Solenoid valve malfunction (ABS modulator)
o
o
.
Stops ABS operation
18-18
3-2
3-4
4-1
Front
wheel
lock
.
Riding condition
LJ
.
Stops ABS
operation
18-13
4-2
Front
wheel
lock (Wheelie)
.
Riding condition
o
/)
Rear
wheel
lock
.
Riding condition
Stops ABS operation
18-15
5-1
Pump motor lock
.
Pump motor (ABS modulator)
or
related
wires
.
ABS
POWER fuse (30 A)
^
o
Stops ABS
operation
18-19
5-4
Power supply
relay malfunction
.
Power supply relay (ABS modulator)
or
related wires
.
ABS
POWER fuse (30 A)
o
o
.
Stops ABS operation
18-19
18-9