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CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
3.52 2 Bat
3.5
Batter
Error code: (Lo)
Error code: (Lo)
Situation
Situation
Possible
Possible
cause
cause
Trigger of
Trigger of
the error
the error
code
code
Checks
Checks
(1) Disconnect battery plug
(1) Disconnect battery plug
(2) Check battery voltage
(2) Check battery voltage
(
(
3
3
)
)
P
P
e
e
r
r
f
f
(5) Disconnect connector E-01 and E-04
(5) Disconnect connector E-01 and E-04
Check continuity between E-04-19(105) and E-01-14
Check continuity between E-04-19(105) and E-01-14
(
(
6
6
)
)
R
R
e
e
p
p
tery C
y Cons
onsump
umptio
tion To
n Too Mu
o Much (
Display: "Lo" flashes. Battery low indic
Display: "Lo" flashes.
Battery low indicator ON.
contactor OPEN.
contactor OPEN.
Extremely consumed battery, faulty main harness, faulty logic unit.
Extremely consumed battery, faulty main harness, faulty logic unit.
Corrected batte
Corrected battery voltage is less than 22 V.
ry voltage is less than 22 V. Battery voltage is corrected by #46 value.
22
22
V
V
or
or
more
mor
e
Less
Less
than
tha
If fault remains
If fault remains
o
o
r
r
m
m
i
i
n
n
v
v
e
e
r
r
t
t
e
e
r
r
d
d
i
i
s
s
c
c
h
h
a
a
r
r
g
g
i
i
n
n
g
g
w
w
o
o
r
r
k
k
Continuity
Continuity
No
No
continuity
continuity
l
l
a
a
c
c
e
e
l
l
o
o
g
g
i
i
c
c
c
c
a
a
r
r
d
d
o
o
f
f
l
l
o
o
g
g
i
i
c
c
u
u
n
n
i
i
t
t
ch (Lo)
Lo)
ator ON. All truck oper
All truck operations inhibited.
Battery voltage is corrected by #46 value.
n
22
22
V
V
(
(
4
4
)
)
C
C
h
h
a
a
(
(
7
7
)
)
R
R
e
e
p
p
ations inhibited. Line contactor
Line contactor OPEN and pum
r
r
g
g
e
e
b
b
a
a
t
t
t
t
e
e
r
r
y
y
o
o
r
r
r
r
e
e
p
p
l
l
a
a
c
c
e
e
w
w
i
i
t
t
h
h
n
n
e
e
w
w
b
b
a
a
i
i
r
r
o
o
r
r
r
r
e
e
p
p
l
l
a
a
c
c
e
e
m
m
a
a
i
i
n
n
h
h
a
a
r
r
n
n
e
e
s
s
s
s
501154
501154
2-117
2-117
OPEN and pump p
a
a
t
t
t
t
e
e
r
r
y
y
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