2004 ISUZU TF SERIES brake sensor

ANTI-LOCK BRAKE SYSTEM 5B-1

SECTION 5B
BRAKES
ANTI-LOCK BRAKE SYSTEM
TABLE OF CONTENTS
PAGE
Service Precaution ...................................................................................................................... 5B – 2
Torque Specifications ................................................................................................................ 5B – 3
Electronic Hydraulic Control Unit ........................................................................................... 5B – 7
Electronic Hydraulic Control Unit and Associated Parts ............................................ 5B – 7
Removal .................................................................................................................................... 5B – 7
Installation ................................................................................................................................ 5B – 7
Front Wheel Speed Sensor ....................................................................................................... 5B – 8
Front Wheel Speed Sensor and Associated Parts ........................................................ 5B – 8
Removal .................................................................................................................................... 5B – 9
Inspection and Repair ........................................................................................................... 5B – 9
Installation ................................................................................................................................ 5B – 10
Rear Wheel Speed Sensor ........................................................................................................ 5B – 11
Rear Wheel Sensor and Associated Parts ....................................................................... 5B – 11
Removal .................................................................................................................................... 5B – 11
Inspection and Repair ........................................................................................................... 5B – 11
Installation ................................................................................................................................ 5B – 12
Front Speed Sensor Rotor ........................................................................................................ 5B – 13
Front Sensor Rotor and Associated Parts ....................................................................... 5B – 13
Removal .................................................................................................................................... 5B – 13
Inspection and Repair ........................................................................................................... 5B – 14
Installation ................................................................................................................................ 5B – 14
Rear Speed Sensor Rotor .......................................................................................................... 5B – 16
Rear Sensor Rotor and Associated Parts ........................................................................ 5B – 16
Removal .................................................................................................................................... 5B – 16
Inspection and Repair ........................................................................................................... 5B – 17
Installation ................................................................................................................................ 5B – 17
G-Sensor ........................................................................................................................................ 5B – 19
G-Sensor and Associated Parts ......................................................................................... 5B – 19

5B -4 ANTI-LOCK BRAKE SYSTEM

4




2 Front Speed Sensor

E05R300002

ANTI-LOCK BRAKE SYSTEM 5B-5

Front Speed Sensor (4




4, 4




2 High Ride)

E05R300003

5B -6 ANTI-LOCK BRAKE SYSTEM

Rear Speed Sensor

E05R300008

5B -8 ANTI-LOCK BRAKE SYSTEM

Front Wheel Speed Sensor
Front Wheel Speed Sensor and Associated Parts
4




2

350R300005

ANTI-LOCK BRAKE SYSTEM 5B-9

4




4, 4




2 High Ride

350R300006
Legend


1.
Connector Portion

2.
Front Speed Sensor Assembly

3. Bolt : cable to knuckle


4.
Bolt : sensor to knuckle

5.
Nut: cable to upper link (4
2)

Bolt: cable to upper link (4
4)

Removal
1. Remove speed sensor connector at connector
portion.
2. Remove sensor fixing bolt (4).
3. Remove cable fixing bolts and nut (4
2).
4. Disconnect the arrow mark locks of the cable clips.
5. Remove the speed sensor assembly.

Inspection and Repair
1. Check the speed sensor head for presence of
foreign
materials; remove any dirt, etc.
2. Check the head for damage; replace speed sensor i
f
necessary.
3. Check the speed sensor cable for short or open
circuit, and replace with a new one if necessary.

To check for cable short or open, bend or stretch the
cable while checking for continuity.

5B -10 ANTI-LOCK BRAKE SYSTEM

Installation
1. Install the speed sensor in the knuckle and take care
not to hit the speed sensor head during installation.
2. Install speed sensor fixing bolt and tighten the fixing
bolt to the specified torque.

Torque: 8 Nm (0.8 kgm /69 lb in)
3. Connect the cable clips at the arrow mark places.
4. Install the cable fixing bolt and nut (4
2) and tighten
the fixing bolt and nut to the specified torque.

Torque :

Bolt
8 N
m (0.8 kg
m /69 lb in)

Nut
20 N
m (2.0 kg
m /14 lb ft)
NOTE: Confirm that the cable is not twisted when
connecting the speed sensor cable.
5. Connect the speed sensor connector.

ANTI-LOCK BRAKE SYSTEM 5B-11

Rear Wheel Speed Sensor
Rear Wheel Sensor and Associated Parts
420R300008
Legend


1.
Rear Speed Sensor Assembly

2.
Bolt : cable to frame

3.
Connector

4. Bolt : sensor to rear axle


5.
Speed Sensor

6. Bolt : cable to axle

7.
Bolt : sensor to rear axle

8.
Speed Sensor

Removal
1. Disconnect the harness connector (3).
2. Remove the cable fixing bolt (2)(6).
3. Disconnect the cable fixing clips (arrow marked).
4. Remove the speed sensor fixing bolts (4)(7) and
speed sensor (5)(8).

Inspection and Repair
1. Check speed sensor head for presence of foreign
materials; remove any dirt, etc.
2. Check the head for damage, and replace speed
sensor if necessary.