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Problem
code
11:
ABS control unit
(rear
relay
cir-
cuit)
1.
ABS Indicator Checking
The
ABS
indicator blinks
or
come
on and
stays
on
when
the
ABS
cont
rol unit has
been
dis-
rupted by an extremely powerful radio wave
(electromagnetic interfere). This
is
just a tempo-
rary
symptom. Erase
the problem code and the
ABS
control unit is
normal unless
the
symptom
occurs again.
Turn the
ignition
switch to
"ON"
and check the
ABS
indicator.
Is
t
he indicator still blinking
7
YES
- GO
TO STEP
2.
NO
- GO TO
STEP
3.
2.
ABS Indicator Function
Recheckin
g
Retrieve the problem code and erase it.
Perform the pre-start self-diagnosis
and
check
the ABS
indicator.
Is the
indicator
still blinking?
NO
-
•
Fine
foreign matter
in
modulator or
the ABS control unit has been dis-
rupted
by an extremely
powerful
radio
wave.
•
Check the
connect
or and
wire
har-
ness
of
the wheel speed
sensor
sys-
tem
for
loose connection.
YES
- GO
TO
STEP 3.
3.
Rechecking t he Problem Code
ANTI-LOCK BRAKE SYSTEM
(ABS)
12
13
Retrieve
the problem code
and
record the latest
r-- -
--
- -
--
- - - - - - -
-- ,
problem
code.
fs the problem code
other
than 11 blinks?
YES
- Diagnosis at the
latest
problem code
NO
-
GO TO
STEP
4.
J
I
16-25
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Troubleshooting
