Table of Contents
Advertisement
OTe 11 - 18: Wheel Sensor
NOTE: The ABS indicator comes
on only
when the
drive
wheels
are
turning
and signal
disturbance is detected.
Therefore,
test-
drive
the car at a
speed
of 12 mph
(20
km/h) or more
after
turning the ignition
switch
from OFF to ON
(II),
and if the ABS
indica-
tor does
not
come on,
the system is
OK.
-
With the ignition switch ON
1111. the ABS indicator does
not go off.
-
After
driving,
the ABS
indica·
tor comes on.
-
With the SCS service connec·
tor connected
(see
page
19-381.
DYes 11
-18
are
indicated.
I
Check the wheel
Hnsor
circuit:
OTe
Appropriate Terminal
1.
Disconnect the ABS
control
101 SIDE
111
SIDE
unit
26P
connector.
11,
12 (Right·from)
No.8:
FRO
No.
21
:
FRl
2.
Measure
the
resistance
13.
14
(left-fronU
No.
10:
FLO
No.
23:
FLl
between
the appropriate wheel
15,16
(Right· rear)
No. 4:
RRO
No.
17: RRl
sensor
(0)
and
(1)
circuit
termi-
17,18
(left·
rear)
No.6:
RLO
No. 19: RL 1
nals (see table).
o
Repair open in the (O)
01
111 cir·
cuit wire, or short to the (Ol cir·
Is
the resistance OK7
cult wire in the
(1)
circuit wire
NO
between tha ABS control unit
(Front: 750 -
1,050
0 (20
C
C,
68
0
F
))
and the appropriate wheel sen·
Rear: 950
-
1.450
n
120'e,
68'
F)
lor.
YES
o
Replace the appropriate wheal
Hnsor.
Check for a short to power in the
wheel sensor circuit:
1. Reconnect the
ABS
control unit
26P
connector.
2.
Start
the
engine.
3.
Measure the
voltage
between
the ASS
control
unit 26P
can·
nectar
appropriate
wheel
sen·
NOTE
:
Judgement
value for short
to
power
sor
(0)
circuit
terminal
and
is 4 V.
body ground
(see
table).
I
YES
Repair short to power
in
the (01
"-
or
(1)
circuit wire batw.en the
Is
there 4
V or
more?
/ '
ASS control
unit
and the appro-
NO
prlata wheel Hnsor.
NOTE:
•
Normal
voltage:
Approx. 2V
o
0
V:
Replace
the
ABS control
unit
.
•
4 V
or more indicates a
short to
power.
Check for a short to body ground
in the wheel senaar circuit:
1. Disconnect
the
ABS control
unit 26P
connector.
2. Check
for
continuity
between
the ASS
control unit 26P can·
nectar
appropriate wheel
sen·
sor
(0)
circuit
terminal
and
body ground
(see
table).
o
Repair short to body ground in
I
,h. 10) or 111 circuit wire
"-
YES
betwean
the ABS control unit
Is there
continuity?
/'
and the appropriate wheal
sen-
I
NO
sor.
o
Replace the appropriate wheel
.ensor.
To
a e
19·46
p
9
-
-
ABS CONTROL UNIT 26P CONNECTDfI
f!
RLO IGRYI
FRO IGRNI
f!
RR1 IGRN/YELI
RlllLTBLUI
Fl1 IGRN/ORN)
FRl IGRN/BLKI
Wire
side of
female terminals
V
RlOIGRYI
RRO
IBLU/YEll
·
6
1415
1617
119
RlO IGRY)
FROIGRNI
V
21
-
-
FRO IGRNI
FLO
IBRN/WHT)
f!
8
9 10
21
23
(cont'd)
19-45
Advertisement
Table of Contents
Troubleshooting
