Mitsubishi Pajero Pinin 1999 - Page 524

ABS <4WD> ± On-vehicle Service
35B-25
6. If the result of inspection is abnormal, correct according to the ªDiagnosis Tableº.
Diagnosis Table
No. Operation Judgement
± Normal
Judgement
± Abnormal
Probable cause Remedy
01
(1) Depress brake pedal
to lock wheel.
(2) Using the MUT-II,
select the wheel to be
Brake force
released for 3
seconds after
locking
Wheel does not
lock when brake
pedal is de-
p
ressed
Clogged brake
line other than
hydraulic unit
Check and clean
brake line
02
se
l
ec
t
th
e w
h
ee
l
t
o
b
e
checked and force the
actuator to operate.
(3) Turn the selected
wheel manually to
l
oc
ki
ng. presse
d
.
Clogged hydrau-
lic circuit in
hydraulic unit
Replace hydrau-
lic unit assembly
03
w
h
ee
l
manua
ll
y
t
o
check the change of
brake force.
Brake force is
not released
Incorrect hydrau-
lic unit brake
tube connection
Connect correct-
ly
04 Hydraulic unit
solenoid valve
not functioning
correctly
Replace hydrau-
lic unit assembly
7. After inspection, disconnect the MUT-II immediately after turning the ignition switch to OFF.
REMEDY FOR A FLAT BATTERY
When booster cables are used to start the engine when the
battery is completely flat and then the vehicle is immediately
driven without waiting for the battery to recharge itself to some
extent, the engine may misfire, and driving might not be
possible.
This happens because ABS consumes a great amount of
current for its self-check function; the remedy is to either allow
the battery to recharge sufficiently, or to disconnect the
ABS-ECU connector, thus disabling the anti-skid brake system.
The ABS warning lamp will illuminate when the ABS-ECU
connector is disconnected.
After the battery has sufficiently recharged, connect the
ABS-ECU connector and restart the engine; then check to
be sure the ABS warning lamp is not illuminated.
DISCONNECTING ABS-ECU CONNECTOR
Move the lock lever of the ABS-ECU connector as shown
in the illustration, and then disconnect the ABS-ECU connector.
Lock lever
Hydraulic unit and
ABS-ECU