Abs Troubleshooting - Honda VFR800F 2014 Service Manual

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ABS (ll AC, lll
CM
types)
5.
Power
lnput
Line
Short Circuit lnspection
With
the
ABS
MAIN
fuse
(10
A)
removed, check
for
continuity between
the wire
harness
side
ABS
modulator
18P (Black) connector
[1]and
ground.
TOOL:
Test probe
(2
Pack)
OTZAJ-RDJA11O
CONNECTION:7
-
Ground
ls
there
continuity?
YES
-
Short circuit
in
the Orange/blue wire
NO -
lntermittent
failure,
Replace the
ABS
MAIN
fuse
(10 A) with a new one
and
recheck.
Power
lnput Line
Open
Circuit lnspection
lnstallthe ABS
MAIN fuse (10 A)
Turn
the
ignition
switch ON with
the engine
stop
switch
"O".
Measure the
voltage
between the
wire
harness side
ABS
modulator 18P (Black) connector [1]
terminal
and ground.
TOOL:
Test probe
(2
Pack)
OTZAJ-RDJA11O
CONNECTIONT 7
(+)
-
Ground
(-)
ls
there
battery voltage?
YES
-
Faulty
ABS modulator
NO -
Open
circuit
in
the
Red/black
or
Orange/
blue
wire
ABS TROUBLESHOOTING
NOTE:
.
Pedorm
inspection
with
the
ignition switch
OFF,
unless otherwise specified.
.
AII
connector diagrams
in the
troubleshooting
are
viewed from the terminal side.
.
Use
a fuliy charged battery, Do
not
diagnose with
a
charger connected to the battery.
.
When the
ABS
modulator assembly
is
detected to
be
faulty, recheck
the wire
harness
and
connector
connections closely before replacing
it.
.
After
diagnostic
troubleshooting,
erase
the
DTC
(page
18-7)
and
test-ride
the
motorcycle
to
check
that
the
ABS
indicator
operates
normally
during
pre-
stafi self-diagnosis (page
18-5).
DTC
1
-1, 1-2,
2-1,
4-1
or
4-2
(Front
Wheel Speed Sensor GircuiUFront
Wheel Speed Sensor/Front Pulser
Ring/Front Wheel Lock)
NOTE:
.
The ABS indicator might blink under unusual
riding
or
conditions
(page 18-9).
This
is
a
temporary
failure.
Erase
the
DTC (page 18-7) then
test-ride
the
motorcycle above 30 km/h (19
mph)
and
check
that
the
ABS
indicator operates normally
(page
18-5).
.
lf
the
DTC
4-1
is indicated, check the
front
brake
for
drag.
18-13

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