Mitsubishi Galant (2004+). Manual — part 539

ANTI-LOCK BRAKING SYSTEM (ABS) DIAGNOSIS

TSB Revision

ANTI-LOCK BRAKING SYSTEM (ABS)

35B-101

RESISTANCE AND CONTINUITY BETWEEN
HARNESS-SIDE CONNECTOR TERMINALS

Required Special Tool:
MB991970: ABS Check Harness
1. Turn the ignition switch to the "LOCK" (OFF) position and

disconnect the ABS-ECU connectors before checking
resistance and continuity.

2. Check the resistance and continuity between the terminals

indicated in the table below.

3. The terminal layout is shown in the illustration.

AC211160 AC

ABS-ECU

A-02 HARNESS CONNECTOR

MB991970

INSPECTION
HARNESS
CONNECTOR

CONNECTOR TERMINAL NO.

SIGNAL

NORMAL CONDITION

9

− 10

Front-right wheel speed sensor

1.24

− 1.64 kΩ

11

− 17

Rear-right wheel speed sensor

1.24

− 1.64 kΩ

16

− 26

Front-left wheel speed sensor

1.24

− 1.64 kΩ

27

− 28

Rear-left wheel speed sensor

1.24

− 1.64 kΩ

2

− body ground

Ground

Less than 2 ohms

18

− body ground

Ground

Less than 2 ohms

SPECIAL TOOLS

TSB Revision

ANTI-LOCK BRAKING SYSTEM (ABS)

35B-102

SPECIAL TOOLS

M1352000600653

TOOL

TOOL NUMBER AND NAME SUPERSESSION

APPLICATION

MB991958

A: MB991824
B: MB991827
C: MB991910
D: MB991911
E: MB991914
F: MB991825
G: MB991826

MUT-III Sub Assembly

A: Vehicle Communication

Interface (V.C.I.)

B: MUT-III USB Cable
C: MUT-III Main Harness A

(Vehicles with CAN
communication system)

D: MUT-III Main Harness B

(Vehicles without CAN
communication system)

E: MUT-III Main Harness C

(for Daimler Chrysler
models only)

F: MUT-III Adapter Harness
G: MUT-III Trigger Harness

MB991824

−KIT

NOTE: G: MB991826
MUT-III Trigger
Harness is not
necessary when
pushing V.C.I. ENTER
key.

Checking diagnostic
trouble codes

CAUTION

For vehicles with CAN
communication, use
MUT-III main harness A
to send simulated
vehicle speed. If you
connect MUT-III main
harness B instead, the
CAN communication
does not function
correctly.

MB991970
ABS check harness

ABS-ECU terminal
voltage measurement

MB991910

MB991826

MB991958

MB991911

MB991914

MB991824

MB991827

MB991825

DO NOT USE

A

B

C

D

E

F

G

DO NOT USE

MB991970

SPECIAL TOOLS

TSB Revision

ANTI-LOCK BRAKING SYSTEM (ABS)

35B-103

MB991223
Harness set
A: MB991219
Inspection harness

General service tools

Wheel speed sensor
output voltage
measurement

TOOL

TOOL NUMBER AND NAME SUPERSESSION

APPLICATION

MB991223

A

AH

ON-VEHICLE SERVICE

TSB Revision

ANTI-LOCK BRAKING SYSTEM (ABS)

35B-104

ON-VEHICLE SERVICE

WHEEL SPEED SENSOR OUTPUT VOLTAGE
MEASUREMENT

M1352001600526

Required Special Tool:
MB991219: Inspection Harness
1. Release the parking brake and lift up the vehicle.
2. Disconnect the ABS-ECU connector A-02, and then use

special tool MB991219 to measure the output voltage at the
harness side connector.

TERMINAL NO.

Front left

Front right

Rear left

Rear right

16

9

27

11

26

10

28

17

AC306403

19

2

18

1

8

9

7

6

5

4

3

10

11

25

15

16

17

27

28

26

12

13

14

23

24

22 21 20

AD

ABS-ECU

MB991970

CHECK CONNECTOR

A-02 HARNESS
CONNECTOR

A-02 (GR)

CONNECTOR: A-02

HYDRAULIC UNIT
(WITH BUILT-IN ABS-ECU)