1.
External components >
E
xha
us
t
S
ys
t
e
m XCITING 400
i
1‐7
The O
2
sensor issues signal to ECU when the temperature is over 350°C while the engine
is running.
Test the O
2
sensor at room temperature.
Use a digital multimeter set to ohms of resistance to inspect the O2 sensor.
Measure the resistance between the white wire terminals of the
O
2
sensor connector. Replace the O
2
sensor if the reading is out
of specification.
I
T
E
M
SP
EC
I
F
I
C
A
T
I
O
N
S
O
2
h
ea
t
e
r
s
e
n
s
o
r
r
e
s
i
s
t
a
nc
e
(
a
t
20
°
C
/
68
°
F
)
6.7
-
9.5
Ω
(
e
ng
i
n
e
w
a
r
m
i
ng
cond
i
t
i
on
)
I
n
s
t
a
ll
a
t
i
on
Hea
t
S
h
i
e
l
d
s
Install the heat shields and tighten the bolts securely.