1-41
1-41
CHAPTER 1 CONTROLLER
CHAPTER 1 CONTROLLER
6.
6.4
4
P
Pow
owe
er St
r Stee
eeri
ring D
ng Dia
iagn
gnos
osti
tics
cs
14
14
Steering
Steering
contactor
contactor
See steering contactor close.
See steering contactor close.
P
Paassss
1
14
4
C
Co
on
nttaacctto
or
r ccllo
osse
ess..
FFaaiill
1
13
3
Contactor dose not
Contactor dose not
closes.
closes.
P
Pu
ussh
h
R
R
b
bu
utttto
on
n
o
on
n
m
me
ette
er
r
p
paan
ne
ell..
--
1
14
4
1
15
5
S
Se
eaat
t b
be
elltt
Release, fasten and release seat
Release, fasten and release seat
belt.
belt.
Input
Input
OFF - ON - OFF
OFF - ON - OFF
P
Paassss
O
OK
K
FFaaiill
1
15
5
S
Stte
ep
p
D
Diia
ag
gn
no
ossiiss
item
item
D
Do
o tth
hiiss
C
Co
on
nttrro
olllle
er
r cch
he
ecck
k
this
this
R
Re
essu
ulltt
D
Diissp
plla
ay
y
C
Co
on
ntta
acctto
or
r o
op
pe
erra
attiio
on
n
Note:
Note:
(1)
(1) Input (ON / OF
Input (ON / OFF) to the
F) to the accelerator
accelerator switch and travel
switch and travel of the acceler
of the accelerator pedal (0 to
ator pedal (0 to 100 percent) a
100 percent) appears.
ppears.
(2)
(2) The steering
The steering wheel angle is d
wheel angle is displayed on the up
isplayed on the upper window an
per window and the wheel ang
d the wheel angle on the lowe
le on the lower window.
r window.
(3)
(3) Sett
Setting of hyd
ing of hydrauli
raulic speed (0 to 10
c speed (0 to 10) appea
) appears when any le
rs when any lever is pull
ver is pulled.
ed.
Perform power steering diagnostics using
Perform power steering diagnostics using the following procedure.
the following procedure.
Preparatory operations
Preparatory operations
(1)
(1) Place t
Place the park
he parking bra
ing brake lev
ke lever in the l
er in the locke
ocked posit
d position.
ion.
(2)
(2) Tur
Turn O
n OFF
FF the
the key
key swi
switch
tch..
(3)
(3) Dis
Discon
connec
nect the ba
t the batte
ttery plu
ry plug.
g.
(4)
(4) Disch
Discharge
arge all
all inver
inverters
ters. Se
. See pa
e page
ge 1-53
1-53..
(5)
(5) Place
Place the di
the direct
rection le
ion lever in
ver in the N p
the N positi
osition.
on.
(6)
(6) Remo
Remove the lin
ve the line fuse (50
e fuse (500 A). (Do not re
0 A). (Do not remove st
move steer
eering fuse
ing fuse))
(7)
(7) Con
Connec
nect the
t the bat
batter
tery plu
y plug.
g.
Diagnostics procedure
Diagnostics procedure
Perform the procedure using the Self-Diagnostics (Power steering system) table in
Perform the procedure using the Self-Diagnostics (Power steering system) table in accordance with the following guide.
accordance with the following guide.
(1)
(1) Start diagnos
Start diagnostics with the St
tics with the Step 0 in the
ep 0 in the table. Turn ON
table. Turn ON the key switch
the key switch according to
according to the instruction
the instruction in the “Do this” b
in the “Do this” box on
ox on
the Ste
the Step 0 l
p 0 line.
ine. If the
If the item pa
item passes the
sses the check
check
without
without any problem
any problem, the
, the next step
next step number
number “16” appears
“16” appears on the
on the display. If
display. If
the item involves any problem and fails in the check, “dd” is shown on the display. The display also shows “dd” when
the item involves any problem and fails in the check, “dd” is shown on the display. The display also shows “dd” when
diagnostics is started without rem
diagnostics is started without removing the fuse.
oving the fuse. In this case, diagnostics is prohibited from going even to the first step.
In this case, diagnostics is prohibited from going even to the first step.
(2)
(2) When t
When the St
he Step 0 has p
ep 0 has passed
assed the ch
the check, d
eck, diagno
iagnostics
stics may
may
advance to the Step 16 item (steering). Check the
advance to the Step 16 item (steering). Check the
steering sensor according to the instruction in the “Do
steering sensor according to the instruction in the “Do
this” box on the Step 16 line.
this” box on the Step 16 line.
(3)
(3) When a
When all the st
ll the steps hav
eps have bee
e been check
n checked thr
ed through
ough, turn
, turn
OFF the key switch.
OFF the key switch.
Be sure to reinstall the line fuse.
Be sure to reinstall the line fuse.
--
Tur
Turn O
n OFF t
FF the k
he key s
ey swit
witch t
ch to ex
o exit f
it fro
rom th
m the di
e diagn
agnost
ostics
ics
mode.
mode.
--
Rep
Repair
air all f
all faul
aults f
ts foun
ound im
d imme
media
diate
tely af
ly after
ter dia
diagno
gnosti
stics.
cs.
1.
1. Diag
Diagnosti
nostics result indicati
cs result indication
on
500947
500947
1
1
Follow the instructions in the diagnostics procedure guide above as well as those in the applicable boxes in the “Do this”
Follow the instructions in the diagnostics procedure guide above as well as those in the applicable boxes in the “Do this”
column.
column.
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