Mitsubishi Galant (2004+). Manual — part 1696

GENERAL DESCRIPTION

FOUR-WHEEL ANTI-LOCK BRAKE SYSTEM (4ABS)

35B-5

ABS ELECTRICAL CIRCUIT DIAGRAM

AC305426

10

RELAY
BOX

AB

FL

FR

RL

RR

ABS-ECU

FUSIBLE
LINK 3

BATTERY

IGNITION SWITCH (IG1)

JUNCTION
BLOCK

STOPLIGHT
SWITCH

SOLENOID
VALVE POWER
SUPPLY

MOTOR
POWER
SUPPLY

ECU
POWER
SUPPLY

WHEEL SPEED SENSOR

DATA LINK
CONNECTOR

MOTOR

SOLENOID VALVES

HYDRAULIC UNIT

COMBINATION
METER

CAN-BUS LINE

CONSTRUCTION DESCRIPTION

FOUR-WHEEL ANTI-LOCK BRAKE SYSTEM (4ABS)

35B-6

CONSTRUCTION DESCRIPTION

M2351000200183

The construction is basically the same as that of the
2002 Lancer, except the following:

ACTUATORS

.

ABS "ANTI LOCK" WARNING LIGHT/EBD "BRAKE" WARN-
ING LIGHT
The ABS "ANTI LOCK" warning light/EBD "BRAKE" warning
light illuminates in the following cases:

•

During initial check when the ignition switch is at the "ON"
position (for approximately 3 seconds)

•

When a problem develops in the ABS/EBD system

•

Poor ABS-ECU connector connection

ELECTRONIC CONTROL UNIT (ECU)

.

DIAGNOSTIC FUNCTIONS
The ABS-ECU includes the following functions to
make system inspection easier.

All of the following functions can be carried out using
the scan tool.

•

Diagnostic trouble code output

•

Service data output

•

Actuator testing

.

VEHICLES FOR CANADA

VEHICLES FOR USA

AC306303

CONSTRUCTION DESCRIPTION

FOUR-WHEEL ANTI-LOCK BRAKE SYSTEM (4ABS)

35B-7

DIAGNOSTIC TROUBLE CODE OUTPUT (AND FAIL-SAFE FUNCTION)

DTC

ITEM

ACTION DURING FAIL-SAFE OPERATION
CONTROL

WARNING LIGHT

RESTORING
AFTER
FAILURE

ABS

EBD

ABS
"ANTI
LOCK"

EBD
"BRAKE"

C1200 <FR>
C1205 <FL>
C1210 <RR>
C1215 <RL>

Wheel speed sensor
system

•

Wheel speed sensor
line break

•

Wheel speed sensor
short circuit

Prohibited Prohibited

during
problems
with wheel
speed
sensors
for the rear
wheels

ON

ON during
problems
with wheel
speed
sensors
for the rear
wheels

Restart
ignition

C1201 <FR>
C1206 <FL>
C1211 <RR>
C1216 <RL>

Wheel speed sensor
system

•

Wheel speed sensor
transmitting error

Prohibited Prohibited

during
problems
with wheel
speed
sensors
for the rear
wheels

ON

ON during
problems
with wheel
speed
sensors
for the rear
wheels

Restart
ignition and
maintain a
speed
between 3
km/h and 6
km/h with all
wheels for
0.016 second.

Wheel speed sensor
system

•

ABS/EBD control
timing error

Prohibited Prohibited ON

ON

Restart
ignition

C1226 <FR>
C1236 <FL>
C1246 <RR>
C1256 <RL>

Solenoid valve <inlet>
system

•

Solenoid valve short
circuit

•

Solenoid valve ON
error

•

Solenoid valve OFF
error

Prohibited Prohibited ON

ON

Restart
ignition

C1231 <FR>
C1241 <FL>
C1251 <RR>
C1261 <RL>

Solenoid valve <outlet>
system

•

Solenoid valve short
circuit

•

Solenoid valve ON
error

•

Solenoid valve OFF
error

Prohibited Prohibited ON

ON

Restart
ignition

C1266

Motor system

•

Motor lock

Prohibited Permitted

ON

OFF

Restart
ignition when
the motor
system is
normal.

CONSTRUCTION DESCRIPTION

FOUR-WHEEL ANTI-LOCK BRAKE SYSTEM (4ABS)

35B-8

.

C1273

Motor system

•

Motor OFF error

Prohibited Permitted

ON

OFF

Restart
ignition when
the motor
system is
normal.

C1274

Motor system

•

Motor ON error

Prohibited Permitted

ON

OFF

Restart
ignition when
the motor
system is
normal.

C1278

Valve relay system

•

Valve relay system
OFF error

Prohibited Prohibited ON

ON

Restart
ignition

C1279

Valve relay system

•

Valve relay system ON
error

Prohibited Permitted

ON

OFF

Restart
ignition

C1607

ABS-ECU system

•

ABS-ECU internal
circuit damage

Prohibited Prohibited ON

ON

Restart
ignition

C1860

Electrical system

•

ECU power supply or
voltage problem (high
voltage)

Prohibited Prohibited ON

ON

Normal
voltage is
restored for
more than 1
second

C1861

Electrical system

•

ECU power supply or
voltage problem (low
voltage)

Prohibited Permitted

ON

OFF

Normal
voltage is
restored for
more than 1
second

U1073

CAN communications
system

•

Bus off

Permitted

Permitted

OFF

OFF

Restart
ignition

DTC

ITEM

ACTION DURING FAIL-SAFE OPERATION
CONTROL

WARNING LIGHT

RESTORING
AFTER
FAILURE

ABS

EBD

ABS
"ANTI
LOCK"

EBD
"BRAKE"