Honda VFR800F 2014 Service Manual page 367

ABS
I
AC, lll
CM
types
2.
DTC 5-1
or
5-4
(Pump Motor
Locl</
Power Supply
Relay)
1.
Fuse lnspection
Turn the ignition switch OFF.
Remove the front seat (page 2-3).
Open the right fuse
box
cover
[1],
Check for a blown ABS POWER fuse
(30
A)
[2].
ls the
fuse blown?
YES
-
GO TO
STEP
2.
NO -
GO TO STEP
3
Motor
Power lnput Line Short Circuit lnspection
Disconnect
the
ABS
modulator
18P
(Black)
connector
(page
1B-8).
With the ABS
POWER fuse (30 A)
removed, check
for
continuity between the wire
harness side
ABS
modulator 18P (Black) connector
[1] terminal
and
g
rou nd.
CONNECTION:18 -
Ground
ls
there
continuity?
YES
-
Short circuit in the Red wire
between
the
right fuse box and ABS modulator '18p
(Black) connector
NO -
lntermittent failure. Replace the
ABS
POWER fuse (30 A)
with
a
new one
and
-^^L^^t-
IEUI IUUA-
Motor
Power lnput
Line Open Circuit Inspection
lnstallthe ABS
POWER fuse (30
A).
Disconnect
the ABS
modulator
1BP
(Black)
connector
(page
18-8).
Measure the voltage
between the
wire
harness side
ABS
modulator 18P (Black) connector
[1]
terminal
and ground.
CONNECTION:18
(+)
- Ground
(-)
ls
there battery voltage?
YES _
GO TO STEP
4.
NO -
Open
circuit
in the
Red
or
Red/yellow wire
between
the
battery and ABS
modulator
18P (Black) connector
4.
FailureReproduction
Turn
the
ignition switch
OFF,
Connect the
ABS modulator 18P (Black) connector,
Erase the DTC
(page
18-7).
Test-ride the
motorcycle above 30 km/h (19 mph)
Recheck the DTC (page
18-6)
ls
the DTC
5-1
or
5-4
indicated?
YES
-
Faulty ABS
modulator
NO -
Pump motor is normal (intermittent failure)
1
8-19