Ezgo 2004 COMMANDER 2100, Service Manual

Page: 59 / 100

Page H-1
Service Parts Manual
ELECTRONIC SPEED CONTROL - PDS
Ref Esp 20-1
1-1
HW
FAIL
SAFE
Veh
icle
will
not
run
Che
ck m
otor
wiri
ng,
rep
lace
con
trol
ler
1-2
THRO
TTL
E FAU
LT 1
Veh
icle
will
not
run
Chec
k pe
dal
box
adju
stm
ent,
con
nect
ions
,
rep lace
ITS
1-3
SPE
ED
SEN
SOR
FAU
LT
Veh
icle
run
s sl
owly
Che
ck sp
eed
sen
sor
conne
ctio
n, a
nd w
irin
g,
rep
lace
sen
sor
if re
quir
ed
1-4
HPD
Veh
icle
will
not
run
Rel
ease
and
rea
pply
ped
al.
Chec
k ped
al bo
x, li
nka
ge,
swi
tch
and
key
swi
tch
1-5
MO
TOR
STA
LL
Vehi
cle
stoppe
d
Rem
ove
mech
anic
al b
locka
ge
2-1
LOW
BAT
TER
Y V
OLT
AGE
Veh
icle
perf
orm
anc
e re
duc
ed
Cha
rge
batte
ries
, re
plac
e ba
d ba
tter
ies
2-2
OVE
RVO
LTA
GE
Reg
en p
erfo
rman
ce r
educ
ed
Che
ck t
hat
batt
ery
volta
ge i
s le
ss th
an 6
0 V DC
2-3
THE
RM AL
CUT
BAC
K
Veh
icle
perf
orm
anc
e red
uce
d
Allow
cont
roll
er to
cool
2-4
MA
IN D
RIV
ER
ON
Veh
icle
run
s sl
owl
y
Sol
eno
id d
river
defe
ctiv
e, r epla
ce co
ntrol
ler
2-5
VDD
FAU
LT
Veh
icle
will
not
run
Rep
lace
cont
roll
er
3-1
MA IN D
RIV
ER
OFF
Sole
noid
does
not
clos
e
Repl
ace
cont
roll
er
3-2
MA
IN W
ELD
ED
Veh
icle
runs
slow
ly
Veri
fy s
oleno
id w
elde
d, rep
lace
sole
noid
3-3
PREC
HAR
GE
FAU
LT
Veh
icle
will
not
run
Chec
k fo
r ad
ditio
nal
elec
tron
ics
atta
che
d to
B+,
repl
ace
con
trol
ler
3-4
FIEL
D MI
SSIN
G
Sol
eno
id cl
ose
s, v
ehic
le w
ill
not r
un
Che
ck w
irin
g.
Rep
lace
pow
er h
arn
ess
and
mot
or if
req
uire
d.
3-5
FIEL
D O
VER
CUR
REN
T
Veh
icle
will
not
run
Fiel
d w
indi
ngs
or p
owe
r ha
rne
ss s
hor
ted.
Veri
fy,
repl
ace
moto
r if
nece
ssa
ry.
4-1
CURR
ENT
SEN
SE FAU
LT
Veh
icle
will
not
run
Repl
ace
con
trol
ler
4-3
M-
FAU
LT
Veh
icle
will
not
run
Che
ck M-
wir
ing
and
repa
ir, r
epla
ce co
ntro
ller
4-4
AUX
CON
T DNC
Veh
icle
will
not
run
Rep
lace
con
trol
ler
4-5
WEL
DED
AUX
CONT
Veh
icle
run
s sl
owl
y
Rep
lace
con
trol
ler
5-1
EEPR
OM
FAI
LSA
FE
Veh
icle
will
not
run
Rep
lace
con
trol
ler
5-2
MA
IN C
OIL
OPE
N
Veh
icle
will
not
run
Che
ck c
oil
conn
ecti
ons
/wir
ing.
Rep
lace
sole
noid
if n
eces
sary
5-3
MA
IN C
ONT
DNC
Veh
icle
will
not
run
Che
ck a
ll sol
eno
id w
irin
g.
Rep
lace
sole
noid
if n
ece
ssa
ry
5-5
MIS
SIN
G C
ONT
ACT
OR
Veh
icle
stop
s
Che
ck al
l so
leno
id w
irin
g.
Repl
ace
soleno
id if
nec
essa
ry
Cod
e
Fau
lt C
ode
Symp
tom
s
Correc
tive
Acti
on
Abbre
viatio
ns: A
UX
(A
uxili
ary
), C
ONT
(Co
ntac
tor,
So
len
oid), D
NC
(D
id N
ot C
lose
),
HP
D (H
igh
Pe
dal D
isa
ble), H
W (H
ard
ware
), IT
S (In
duc
tive
Th
rottle
Sen
sor),
M- (C
onn
ectio
n a
t Co
ntro
ller), V
DC
(Vo
lts D
irec
t Cu
rre
nt), V
DD
(P
ow
er S
upp
ly F
ault)
P/N
733
98-
G01
The
LE
D w
ill fla
sh a
diag
nos
tic fa
ult c
ode
whe
n a
fau
lt is
de
tecte
d
Som
e fa
ults
ma
y o
nly b
e d
etec
ted
by
op
eratin
g the
ve
hicle
with the
rea
r of the
v
ehicle ra
ise
d a
nd s
upp
orte
d o
n s
afety
stand
s
Alw
ays
turn
the
'RUN
TO
W/M
AINT
ENA
NC
E' s
witc
h (lo
cate
d in
the
ba
ttery
c
ompa
rtm
ent)
to the
'TO
W/M
AIN
TEN
AN
CE' p
osition
be
fore pe
rform
ing
an
y re
pairs
o
r m
ainten
anc
e to
the
ve
hic
le
Sele
ct 'RU
N' b
efo
re re
turning
the
ve
hic
le to
ser
vice
DIAG
NO
STIC F
AU
LT C
OD
ES
2
3
4
16
12
6
7
13
14
5
11
10
1 - Includes Items 2 - 16
5 - Includes Items 6 - 9
15
20
24
25
22
23
28
29
30
18
8
9