19:03-15
ã
Scania CV AB 2002, Sweden
17
Troubleshooting
1.3. No c
h
arging volt
age.
1.3.1. Chec
k fuses no.
40, 20A, and no.
45,
10A
,
in the c
entra
l e
le
ctric unit. Renew
if
ne
ce
ss
ar
y.
1.3.2. Ma
k
e sure a
ll
c
ables ar
e intact. Rene
w
w
ir
ing if ne
ce
ss
ar
y.
1.3.3. Chec
k vol
ta
ge to E57. Test betwee
n
ea
rth, E57-
6, and E57-4, 30H, a
nd also E57-5,
15X
G,
af
te
r starting
the
engine.
C
h
eck a
lso
the
vo
ltage
, 5-6V, to the cr
adle c
o
n
n
ec
tor
fr
om E57. Test betwee
n the hand-
h
eld
co
mp
ute
r ea
rth, E57-2, and the ha
nd-held
co
mp
ute
r cha
rging/
ope
rating volt
age, E57-8.
Re
new the
a
d
apte
r if nec
essary.
2. No contac
t betwee
n hand-he
ld
computer a
nd vehicle.
2.1. Da
m
aged wiring.
2.1.1. I
n
sp
ec
t and/or test with a mult
imete
r,
buz
zer
, that the CAN ca
bles to and fr
om
C
56,
C461, E51, E57 and the c
ables fr
om
E
5
7 to
the
ha
nd-held
computer
are
intac
t, in
wor
k
ing
or
der a
nd connec
te
d
secur
ely. Also ref
er to
1.2. Chec
k t
h
at
connec
tor
s C
490 and C
491
ar
e intac
t and connec
ted cor
rec
tl
y.
3. P
oor
or no sound from speake
r.
3.1. Poor conne
ction
of
speake
r ca
bl
e (to
GPS/
GSM modul
e)
or da
m
aged ca
ble.
3.1.1. Chec
k t
h
at
t
h
e cable
i
s c
onnected
se
cure
ly
a
nd th
at
t
h
e connec
tor on the GPS
/
G
S
M modul
e and the c
able a
re intact a
nd
cl
ean. R
epl
ac
e t
h
e spe
aker
or cl
ea
n the
connector
a
s
nece
ssary.
3.2.
Blown
speake
r
eleme
n
t.
3.2.1. C
h
ec
k t
h
at
the element i
s i
n
ta
ct.
Rene
w
speaker
i
f necessary.
Fau
lt
C
ause
A
ction
