Honda VFR800F 2014 Service Manual page 366

ABS (ll AC, Ill
CM
types)
2.
Front Wheel Speed Sensor
Line Short
Circuit
lnspection
Disconnect
the
ABS
modulator
18P
(Black)
connector
(page
18-8).
Check
for continuity between each terminal
of
the
wire
harness
side front wheel speed sensor
2P
(Gray) connector [1] and ground.
CONNECTION: Red/yellow - Ground
Green/yellow
- Ground
ls
there
continuity?
YES
- .
Short circuit in
the Red/yellow wire
.
Short circuit
in
the Green/yellow wire
NO -
GO TO STEP
3.
3.
Rear Wheel Speed Sensor Line Short
Circuit
lnspection
(at
sensor side)
Disconnect
the rear wheel speed sensor
2P
(Blue)
connector
(page
1
8-22).
Check
for continuity between each terminal
of
the
sensor
side rear wheel speed sensor
2P
(Blue)
connector
['l
] and ground.
CONNECTION:
White - Ground
BIue
- Ground
ls
there
continuity?
YES
-
Faulty rear wheel speed
sensor
NO -
GOTOSTEP4.
4.
Rear Wheel Speed Sensor Line Short Circuit
lnspection
Check
for continuity between each terminal
of
the
wire
harness
side rear wheel speed sensor
2P
(Blue) connector [1] and ground.
CONNECTION:
Red/blue
-
Ground
Green/blue
- Ground
ls
there
continuity?
YES
- .
Short circuit
in
the
Red/blue
wire
.
Short circuit in
the Green/blue wire
NO -
Faulty
ABS modulator
DTC
3-1
,3-2,3-3
or
3-4
(Solenoid
Valve)
1.
Failure Reproduction
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
3-1,3-2,3-3
or
3-4
indicated?
YES
-
Faulty
ABS modulator
NO -
Solenoid
valve
is
normal
(intermittent
failure)
18-18