Knock sensor failure
Knock sensor failure
START
START
Is the
Is the
sensor tightly
sensor tightly
mounted?
mounted?
I
I
s
s
resistance
resistance
and
and
ca
ca
pacit
pacit
ance
ance
OK?
OK?
Tighten the sensor
Tighten the sensor
to the engine with
to the engine with
20 Nm, use loctite
20 Nm, use loctite
on threads
on threads
Change the
Change the
sensor
sensor
M
M
ea
ea
s
s
ur
ur
e th
e th
e s
e s
ens
ens
or
or
resistance; <1Mohm
resistance; <1Mohm
and a capacitance
and a capacitance
800-1600 pF
800-1600 pF
Is any
Is any
sensor OK?
sensor OK?
Che
Che
ck tha
ck tha
t
t
KD
KD
U
U
has correct
has correct
software or change
software or change
the
the
KD
KD
U
U
Measure the
Measure the
resistance
resistance
between sensor
between sensor
wir
wir
e
e
s
s
&
&
e
e
ngin
ngin
e
e
body
body
Is the
Is the
resistance
resistance
infinte?
infinte?
Check connectors
Check connectors
and cabling/
and cabling/
change KDU
change KDU
Change the
Change the
sensor
sensor
No
No
Y
Y
e
e
s
s
No
No
Y
Y
e
e
s
s
No
No
Y
Y
e
e
s
s
No
No
Y
Y
e
e
s
s
Fig 08-8
Fig 08-8
3208080342
3208080342
O
O
p
p
e
e
r
r
a
a
t
t
i
i
n
n
g
g
T
T
r
r
o
o
u
u
b
b
l
l
e
e
s
s
3
3
4
4
S
S
G
G
-
-
2
2
0
0
0
0
4
4
1
1
4
4
-
-
0
0
4
4
Содержание 41508
Страница 3: ......
Страница 12: ...Appendix B Welding Precautions 200147...
Страница 22: ...Fuel Lubricating Oil Cooling Water 34SG 200303 03...
Страница 29: ...A Ap pp pe en nd di ix x A A E En nv vi ir ro on nm me en nt ta al l H Ha az za ar rd ds s 2 20 00 03 32 21 1...
Страница 73: ...Maintenance Tools 32 9801...
Страница 115: ...Engine Block with Bearings Cylinder and Oil Sump 34SG 9701...