Mitsubishi Galant. Manual — part 529

WHEEL SPEED SENSOR

TSB Revision

ANTI-LOCK BRAKING SYSTEM(ABS)

35B-49

INSTALLATION SERVICE POINT

>>A<< BRAKE TUBE INSTALLATION
Connect the tubes to the hydraulic unit as shown in the
illustration.
1. To the proportioning valve (rear brake: LH)

2. To the proportioning valve (rear brake: RH)

3. From the master cylinder (primary)

4. From the master cylinder (secondary)

5. To the front brake (RH)

6. To the front brake (LH)

W H EEL SPEED SEN SO R

REMOVAL AND INSTALLATION

M1352008300054

AC004013

1

2

3

4

5

6

AB

Post-installation Operation

•

Wheel Speed Sensor Output Voltage Measurement
(Refer to

P.35B-42

.)

AC000959 AB

<FRONT>

1

<REAR>

3

2

4

<<A>>

>>A<< 1. FRONT SPEED SENSOR

2. FRONT ABS ROTOR WITH

DRIVESHAFT (REFER TO GROUP
26, DRIVESHAFT

P.26-11

.)

<<A>> >>A<<

3. REAR SPEED SENSOR
4. REAR ABS ROTOR (REFER TO

GROUP 27, REAR AXLE HUB

P.27-

6

.)

WHEEL SPEED SENSOR

TSB Revision

ANTI-LOCK BRAKING SYSTEM(ABS)

35B-50

REMOVAL SERVICE POINT

<<A>> FRONT SPEED SENSOR/REAR SPEED SENSOR
REMOVAL

CAUTION

Be careful when handling the projection at the tip of the
speed sensor and the toothed edge of the ABS rotor so as
not to damage them by contacting other parts.

INSTALLATION SERVICE POINT

>>A<< FRONT SPEED SENSOR/REAR SPEED SENSOR
INSTALLATION
The clearance between the wheel speed sensor and the ABS
rotor's toothed surface is not adjustable, but measure the
distance between the sensor installation surface and the ABS
rotor's toothed surface.

Standard value: 28.2

−−−−

28.5 mm (11.10

−−−−

11.22 inches)

INSPECTION

M1352008400051

Speed Sensor Check

1. Check whether any metallic foreign material has adhered to

the projection at the speed sensor tip. Remove any foreign
material. Also check whether the pole piece is damaged.
Replace it with a new one if it is damaged.

NOTE: The projection can become magnetized due to the
magnet inside the speed sensor, causing foreign material to
easily adhere to it. The projection may not be able to
correctly sense the wheel rotation speed if foreign matter is
on it or if it is damaged.

2. Measure the resistance between the speed sensor

terminals.

Standard value: 1.28

−−−−

1.92 k

Ω

Ω

Ω

Ω

3. If the internal resistance of the speed sensor is not within the

standard value, replace it with a new speed sensor.

AC000960

PROJECTION

AB

AC000961

FRONT

REAR

AB

ABS
ROTOR'S
TOOTHED
SURFACE

ABS
ROTOR'S
TOOTHED
SURFACE

AC000960

PROJECTION

AB

AC000963

<FRONT,
REAR LEFT>

<REAR RIGHT>

AB

SPECIFICATIONS

TSB Revision

ANTI-LOCK BRAKING SYSTEM(ABS)

35B-51

4. Remove all connections from the speed sensor, and then

measure the resistance between terminals (1) and (2) and
the body of the speed sensor.

Standard value: 100 k

Ω

Ω

Ω

Ω

or more

5. If the speed sensor insulation resistance is not within the

standard value range, replace it with a new speed sensor.

6. Check the speed sensor cable for breakage, damage or

disconnection. Replace with a new one if a problem is found.

NOTE: When checking for cable damage, remove the cable
clamp part from the body and then gently bend and pull the
cable near the clamp.

Toothed ABS Rotor Check

Check whether the ABS rotor teeth are broken or deformed.
Replace the driveshafts assembly for the front side or the ABS
rotor for the rear side, respectively, if the teeth are damaged or
deformed.

SPECIFIC ATIO NS

FASTENER TIGHTENING SPECIFICATIONS

M1352012400065

SERVICE SPECIFICATIONS

M1352000300050

AC000964

<FRONT,
REAR LEFT>

<REAR RIGHT>

AB

AC000965

ITEMS

SPECIFICATIONS

Brake tube flare nut

15 N

⋅

m (11 ft-lb)

Hydraulic unit bracket bolt

9 N

⋅

m (80 in-lb)

ITEMS

STANDARD VALUE

Wheel speed sensor internal resistance k

Ω

1.28

−

1.92

Wheel speed sensor insulation resistance k

Ω

100 or more

Distance between wheel speed sensor installation
surface and ABS rotor tooth top mm (in)

28.2

−

28.5 (11.10

−

11.22)

NOTES