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Mitsubishi Outlander GS45X. Manual - part 391

ON-VEHICLE SERVICE

TSB Revision

ANTI-LOCK BRAKING SYSTEM (ABS)

35B-185

3. Confirm that the selector lever is in the "N" position, and

then start the engine.

4. When carrying out the actuator tests No. 01 to 04, perform

the actuator tests using scan tool while depressing the brake
pedal. When carrying out the actuator tests, rotate the wheel
by hands to confirm that the braking force changes.
NOTE:

•

While performing the actuator test, the ABS warning light
flashes at a rate of 2 Hz.

•

When ABS-ECU is disabled due to the fail-safe function,
the scan tool actuator test cannot be performed.

•

After the actuator test has been performed, the ABS
warning light and brake waning light illuminate until the
ignition switch is turned to ON again or the communica-
tion between scan tool and ABS-ECU is terminated.

5. This is indicated as shown in the above.
6. When any malfunction has been found, take a necessary

action according to the "Judgment Table."

AC608801

M.U.T.-III actuator test
(No.01, 02, 03, 04) start

M.U.T.-III actuator test
(No.01, 02, 03, 04)

Pedal operation

Depressed

Released

Solenoid valve position

Increase in pressure

Steady pressure

Reduction in pressure

Checking the brake force

Lock

Drag force when the pedal is free

Approx.
1 second

Approx.
2 seconds

Approx.
3 seconds

ON-VEHICLE SERVICE

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ANTI-LOCK BRAKING SYSTEM (ABS)

35B-186

Judgment Table

7. After the inspection, turn the ignition switch to the LOCK

(OFF) position, and then disconnect scan tool.

Hydraulic unit installation adjustment

Refer to

P.35B-188

1. Operate the pre-removal steps for the hydraulic unit.
2. Remove all brake tubes.
3. Remove the protector.
4. Loosen the mounting bolt and nut of the hydraulic unit

bracket.

5. Install all brake tubes temporarily.
6. Shake hydraulic unit to all directions with both hands to

make the hydraulic unit bracket insulator fit with the unit.

7. Install the hydraulic unit bracket with mounting bolt and nut

not to load the brake tube.

8. Install the protector.
9. Install all brake tubes securely.

NOTE: Install the flare nut taking care not to let the brake
tube turn together.

10.Operate the post-installation steps of the hydraulic unit.

Display on
scan tool

Operation

Inspection
result

Judgme
nt

Probable cause

Remedy

01 FR wheel
ABS
02 FL wheel
ABS
03 RR wheel
ABS
04 RL wheel
ABS

• Depress the brake

pedal to lock the
vehicle.

• Select the vehicle

to be inspected
using scan tool,
perform the
actuator test.

• Rotate the selected

wheel by hands to
confirm the braking
force.

Braking force
decreases for 3
seconds from
the lock status.

Normal

−

The wheel
does not lock
even if the
brake pedal is
depressed.

Error

Clogged brake line
other than hydraulic
unit

Check and
clean the brake
line.

Clogged hydraulic
circuit in the hydraulic
unit

Replace the
hydraulic unit
assembly.

Braking force
does not
decrease.

Faulty routing of
hydraulic unit brake
tube

Route the
brake tube
correctly.

Malfunction of
hydraulic unit solenoid
valve operation

Replace the
hydraulic unit
assembly.

ON-VEHICLE SERVICE

TSB Revision

ANTI-LOCK BRAKING SYSTEM (ABS)

35B-187

IN THE EVENT OF A DISCHARGED BATTERY

M1352003500804

WARNING

If the ABS is not operating, the vehicle will be unsta-
ble during braking, Do not drive the vehicle with the
ABS-ECU connector disconnected or with the ABS
not operating.

If the engine is started using a booster cable when the battery
is completely flat, and the vehicle is then driven without waiting
for the battery to be recharged, the engine may misfire and it
may not be possible to drive the vehicle. This is because the
ABS consumes a large amount of current when carrying out its
initial checks. If this happens, recharge the battery fully.