2-129
2-129
E-27
E-27
501138
501138
2
2
1
1
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
3.
3.58
58 PS
PS Ha
Hand
ndle B
le Bra
rake F
ke Fau
ault
lt (A
(A7)
7)
Error code: A7
Error code: A7
Sit
Situat
uation
ion
Ste
Steeri
ering w
ng whee
heel re
l react
action f
ion for
orce d
ce disa
isable
bled, an
d, and tr
d trave
avelli
lling s
ng spee
peed lim
d limite
ited to 5 k
d to 5 km/h
m/h..
Possible
Possible
cause
cause
Steering wheel unit fault, harness fault, power steering controller fault
Steering wheel unit fault, harness fault, power steering controller fault
Trigger of
Trigger of
the error
the error
code
code
Steering wheel reaction force brake current FB is 1.2A or more.
Steering wheel reaction force brake current FB is 1.2A or more.
Steering wheel reaction force brake command value > 0.2A and current FB <
Steering wheel reaction force brake command value > 0.2A and current FB < 0.16A
0.16A
Overcurre
Overcurrent detected by
nt detected by overcurren
overcurrent detection circuit.
t detection circuit.
Checks
Checks
(1) Disconnect battery plug
(1) Disconnect battery plug
(4) Replace harness
(4) Replace harness
(2) Disc
(2) Disc
onnect Connecter E-08 of EPS
onnect Connecter E-08 of EPS
controller and
controller and
F-01
F-01
steering wheel
steering wheel
unit sensor
unit sensor
Check continuity between E-08-17 and F-01-5(30)
Check continuity between E-08-17 and F-01-5(30)
Check continuity between E-08-33 and F-01-6(31)
Check continuity between E-08-33 and F-01-6(31)
C
C
o
o
n
n
t
t
i
i
n
n
u
u
i
i
t
t
y
y
N
N
o
o
t
t
C
C
o
o
n
n
t
t
i
i
n
n
u
u
i
i
t
t
y
y
(3) Connect
(3) Connect
F-01
F-01
Measur
Measur
e resistanc
e resistanc
e betweenE-08-17
e betweenE-08-17
andE
andE
-08-33
-08-33
8.0 Ω
8.0 Ω
at
at
-3
-3
0°(-2
0°(-2
2°F)
2°F)
to 14.9 Ω
to 14.9 Ω
at 80°(
at 80°(
-176°
-176°
F)
F)
W i
W i
t
t
h
h
i n
i n
t
t
h
h
e
e
r
r
a
a
n
n
g
g
e
e
O
O
u
u
t
t
s
s
i
i
d
d
e
e
t
t
h
h
e
e
r
r
a
a
n
n
g
g
e
e
(
(
5
5
)
)
R
R
e
e
p
p
l
l
a
a
c
c
e
e
p
p
o
o
w
w
e
e
r
r
s
s
t
t
e
e
e
e
r
r
i
i
n
n
g
g
c
c
o
o
n
n
t
t
r
r
o
o
l
l
l
l
e
e
r
r
(
(
6
6
)
)
R
R
e
e
p
p
l
l
a
a
c
c
e
e
s
s
t
t
e
e
e
e
r
r
i
i
n
n
g
g
w
w
h
h
e
e
e
e
l
l
u
u
n
n
i
i
t
t
Summary of Contents for FB13PNT
Page 2: ......
Page 12: ......
Page 86: ...1 73 1 73 Fig 5 Fig 5 500969 500969...
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