Honda VFR800F 2014 Service Manual page 96

PGM.FI SYSTEM
4.
ECT
Sensor Resistance lnspection
Turn
the
ignition switch
OFF.
Remove
the
ECT sensor
(Page
4-44)
Measure
the resistance between
the
connector
terminals
of
the ECT sensor [1]'
STANDARD:
2.3
-
2.6 kO
(20"C/68'F)
ls the
resistance
standard value?
YES
-
Replace
the
ECM
with
a
known good
one
and recheck.
NO -
FaultY
ECT sensor
DTC 8 (TP SENSOR)
TP SENSOR
Probable cause
.
Open circuit in
the Yellow/red or Gray
wire between
the sensor unit
and ECM
.
Open or shotl
circuit in
the Blue/yellow
wire between
the sensor unit and ECM
.
Short circuit between the Yellow/red
and Blue/yellow
wires
.
Faulty TP sensor
.
Faulty ECM
DTG 8-1 (TP SENSOR LOW
VOLTAGE)
NOTE:
.
Before starting
the
inspection,
check
for
loose
or
poor
contact
on the TP sensor 3P (Gray),
engine
sub-wire
harness
12P (Black), ECM 33P (Black)
and
33P (Gray) connectors,
and recheck
the DTC'
1.
TP
Sensor
SYstem
lnsPection
Check the TP sensor with the MCS when the throttle
fully closed.
lsabout0Vindicated?
YES
_
GO
TO STEP 2.
NO -
lntermittent failure
ECM
4-17
-**--
Y/R
_-
Bu^r
------Gr