Mitsubishi Outlander (2013+). Manual - part 160

GENERAL INFORMATION

ANTI-SKID BRAKING SYSTEM (ABS)

35B-4

Actuator Hydraulic unit

5

Drives the solenoid valve using the signal from ABS-ECU, 
and controls the brake fluid pressure for each wheel.

ABS warning lamp

6

Informs the driver of the system status by illuminating, 
flashing, or turning off the warning lamp according to the 
signal from ABS-ECU.

ABS warning display

7

Informs the driver of the system status by illuminating or 
turning off the warning display according to the signal from 
ABS-ECU.

Brake warning lamp

8

Used as the warning lamp for the parking brake, brake fluid 
level, and EBD control. Informs the driver of the system 
status by illuminating or turning off the warning lamp 
according to the signal from ABS-ECU.

Brake warning display

9

Used as the warning display for brake fluid level, and EBD 
control. Informs the driver of the system status by 
illuminating or turning off the warning display according to 
the signal from ABS-ECU.

Diagnosis connector

10

Outputs the diagnosis code and establishes the 
communication with M.U.T.-III.

ABS-ECU

11

Controls actuators (described above) based on the signals 
coming from each sensor.

Controls the self-diagnosis and fail-safe functions.

Controls the diagnosis function (M.U.T.-III compatible).

Name of part

Number Outline of function

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GENERAL INFORMATION

ANTI-SKID BRAKING SYSTEM (ABS)

35B-5

SCHEMATIC DIAGRAM

NOTE: Dashed lines indicate the CAN bus communi-
cation lines.

ACC00359

Wheel speed sensor (FL)

FR solenoid valve (OUT)

FR solenoid valve (IN)

FL solenoid valve (OUT)

FL solenoid valve (IN)

RR solenoid valve (OUT)

RR solenoid valve (IN)

RL solenoid valve (OUT)

RL solenoid valve (IN)

Wheel speed sensor (RL)

Wheel speed sensor (RR)

Wheel speed sensor (FR)

Stop lamp switch 

ABS-ECU power supply 

Diagnosis connector

CAN-BUS LINE

ABS-ECU

G sensor
<4WD>

CAN-BUS LINE

ETACS-ECU

Combination meter and
multi information display
 

· 

ABS warning lamp

 

· 

Brake warning lamp

 

· 

ABS warning display

 

· 

Brake warning display

Rear-right
wheel (RR)

Rear-left
wheel (RL)

Wheel
speed
sensor 
(RR)

Wheel
speed
sensor 
(RL)

Hydraulic unit

Stop lamp switch

Front-right
wheel (FR)

Front-left
wheel (FL)

Wheel
speed
sensor 
(FR)

Wheel
speed
sensor 
(FL)

AB

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GENERAL INFORMATION

ANTI-SKID BRAKING SYSTEM (ABS)

35B-6

ABS ELECTRICAL DIAGRAM

ACB05777

Solenoid valve

Motor

Hydraulic unit

Solenoid valve
power supply

GND

GND

ABS

BRAKE

ON

OFF

ON

OFF

Solenoid valve
power supply

Motor power supply

Motor power supply

Power supply

Wheel speed sensor

(FL)

(FR)

(RL)

(RR)

ABS-ECU

G sensor <4WD>

CAN transceiver
circuit

CPU

LED drive
circuit

LCD
(ABS, BRAKE)

Combination
meter

Rheostat

Ignition
switch (IG1) or 
OSS-ECU (IG1)

CAN drive
circuit

Interface
circuit

CAN drive
circuit

Field Effect
Transistor

Interface
circuit

15

10A

11

10A

14

15A

Engine-
ECU

4WD-
ECU

Fusible
link No.2

Fusible
link No.4

Stop lamp
switch

Diagnosis
connector

AB

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CONSTRUCTION DESCRIPTION

ANTI-SKID BRAKING SYSTEM (ABS)

35B-7

CONSTRUCTION DESCRIPTION

SENSOR

M2351001001000

WHEEL SPEED SENSOR

The wheel speed detecting section is a kind of a 
pulse generator. It consists of the magnetic encoder 
for wheel speed detection (a plate on which north 
and south pole sides of the magnets are arranged 
alternately) which rotates at the same speed of the 
wheel and the wheel speed sensor (semiconductor 
sensor). This sensor outputs frequency pulse signals 
in proportion to the wheel speed.

The front wheel speed detecting section consists of 
the front wheel speed sensor mounted on the 
knuckle and the magnetic encoder for wheel speed 
detection which is press-fitted together with the oil 
seal to the front wheel bearing. The rear wheel 
speed sensor consists of the rear wheel speed sen-
sor mounted on the trailing arm assembly and the 
magnetic encoder for wheel speed detection which is 
press-fitted together with the oil seal to the rear 
wheel bearing.

G SENSOR <4WD>

The G-sensor is incorporated in ABS-ECU, and 
detects longitudinal acceleration of a vehicle.

ACTUATORS

M2351002000486

ABS WARNING LAMP, BRAKE WARNING LAMP

The ABS system informs the driver to the ABS sys-
tem status by illuminating, extinguishing, or flashing 
the ABS warning lamp and brake warning lamp as 
follows.

ABS warning lamp and brake warning lamp illumination or flashing pattern

ACC00565 AB

FRONT

REAR <2WD>

REAR <4WD>

Front wheel speed sensor

Rear wheel 
speed sensor

Rear wheel 
speed sensor

Encoder for wheel 
speed detection

Encoder for wheel 
speed detection

Encoder for wheel 
speed detection

State

ABS warning lamp

Brake warning lamp

Normal

Correct

−

−

Faulty

ABS failure

Illuminates

−

EBD failure

Illuminates

Illuminates

When M.U.T.-III is 
connected

Actuator not operated

−

−

Actuator operated

Flash (2Hz)

−

After the actuator is 

activated forcibly 

*

Illuminates

*

Illuminates

*

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