Honda VFR800F 2014 Service Manual page 400

LIG
HTS/M ETE RS/SWITC
H
ES
4. ECT Sensor lndication Line Open
Gircuit
lnspection
Turn the ignition switch OFF and remove
the
jumper
wire.
Remove
the
combination meter
to
disconnect
the
meter 20P (Gray) connector (page 20-11).
Check
for
continuity between
the
ECT sensor
3P
(Gray) connector t11
and meter 20P
(Gray)
connector [2] terminals.
GONNEGTION:
Gray/black-
Gray/red
ls
there
continuity?
YES
-
Faulty combination meter
NO -
Open circuit in the Gray/black or
Gray/red
wire
ECT SENSOR INSPECTION
Remove the ECT sensor (page 4-44).
Suspend
the
ECT sensor
[1] in
a
pan of
coolant
(1:1
antifreeze
and
distilled
water
mixture)
on an
electric
heating element and measure the resistance
between
the
indication sensor terminal
[2] and body as
the
coolant heats
up.
NOTE:
.
Soak
the
ECT sensor
in
coolant up
to
its
threads
with at least 40 mm
('l
.6 in) from the bottom of
the
pan to the bottom of the sensor.
.
Keep the
temperature
constant
for 3 minutes
before
testing.
A
sudden change of temperature
will
result
in incorrect readings. Do not let the thermometer
[3]
or
ECT sensor touch
the pan.
Replace
the
ECT sensor
if it is
out
of
specification
by
more
than
10o/a
al
any
temperature
listed,
lnstall
the ECT sensor (page 4-44).
TEMPERATURE
50'c
(122'F) 80'c (176'F)
RESISTANCE
6.8
-
7.4
kO
2.1
-
2.6 kA
20-16