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Honda FourTrax Foreman Rubicon 2005 Service Manual page 571

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7.
Torque
Sensor Open Circuit
Inspection
Di
sconnect
the
torque sensor 3P
connecto r.
Check
for resistance between
the
torque
sensor
side 3P
connector
terminals.
Connection
:
A
Tenninsl
(+)
-
B
Tenninsl
(-J
B
Terminal
(+,
-
C Tenninsl
H
Is
the resistance withfn 10
-
40
aat
20°CI68 °F)
7
YES
- Recheck for
poor
contact
or
loose
con-
nection
in
the
wire harness.
If they
are
OK, replace
the
EPS ECU with a new
one (page
25-37)
.
NO
-
Replace the
EPS
unit (Torque
sensor
coi
l short circuit)
(page
13·34).
DTC 23-02: TORQUE SENSOR (VT3
DIFFERENTIAL AMPLIFICATION
FUNCTION) (REGULAR DIAGNOSIS)
NOTE
:
Before starting the troubleshooting, check the
connectors
for loose contacts
or corroded
termi·
nals, and
recheck
the
DIC.
1.
EPS ECU
system inspection
1. Erase the OTC
wi
th
HOS
o
r
OLe (page
25·
11
).
2. Start
the engine.
3.
Fully
turn the
handlebar
to
the left or right
and hold
it
10 seconds.
4. Check the
EPS
indicator.
Does
the EPS indicator
come
on?
NO
- System is
normally
in this
time
YES
- GO
TO STEP
2.
2.
DTe
inspection
1.
Check
the
DTC with HDS
or
DLC
(page
25-10).
Is
DTC
23-2
indicated?
NO
- Perform the
troubleshooting
for
the
indicated
DTC.
YES
- Replace the
EPS ECU
with a
new one
(page
25-37).
DTC 23-03: TORQUE SENSOR
(VT1
,
VT2 RAPID CHANGE) (REGULAR
DIAGNOSIS)
Refer to LOW/HIG
H
VOLTAGE FOR
THE TORQUE
SENSOR
(VT
l
AND VT2)
TROUBLESHOOTING
(page
25-29).
DTC
23-04:
TORQUE SENSOR
(TEMPERATURE SENSOR)
(REGULAR
DIAGNOSIS)
Refer to
lOW/HIGH
VOLTAGE FOR
THE
TORQUE
SENSOR
(VT1
AND VT2J
TROUBLESHOOTING
(page 25-29).
DTC
23-05:
TORQUE SENSOR
(SENSOR COIL)) (REGULAR
DIAGNOSIS)
Refer
to lOW/HIGH
VOLTAGE
FOR THE TORQUE
SENSOR
(VT1
AND
VT2
)
TROUBLESHOOTING
(page
25-29).
ELECTRIC POWER STEERING (EPS)
TORQUE
SENSOR
3P
CONNECTOR
(Viewed
of torque sensor side connector)
A
c
B
25-31

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