brake sensor ISUZU KB P190 2007 Workshop User Guide

FRONT WHEEL DRIVE 4C1-41
Inspection and Repair
Make necessary correction or parts replacement if wear, damage or any other abnormal conditions are found
through inspection.
For inspection and servicing of disc caliper, and relative parts, and ABS parts, refer to section 5 Brakes.



• Hub
• Hub bearing
• Bearing outer race
• Disc
• Oil seal
• Knuckle spindle
• ABS sensor rotor
• Caliper



Visual Check
Check the following parts for wear, damage or other abnormal
conditions.



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ISUZU KB P190 2007

4C1-42 FRONT WHEEL DRIVE
Reassembly

RTW 34CLF000901
Reassembly Steps
▲ 1. W heel pin
▲ 2. Bolt
▲ 3. ABS sensor rotor
▲ 4. Inner bearing and outer race
▲ 5. Oil seal
▲ 6. Hub and disc assembly
7. Outer bearing


8. Lock washer
▲ 9. Hub nut
10. Nut retainer
11. Split pin
▲ 12. Hub cap
13. Brake caliper
▲ 14. Bolt



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ISUZU KB P190 2007

FRONT WHEEL DRIVE 4C1-43


Important Operations
1. Wheel Pin
(1) Place hub on a wood workbench or a block of wood, approx. 6” by 6” to protect the wheel stud ends and threads.
(2) Install wheel stud using a hammer.
Be sure wheel stud is started squarely and seats completely.



(3) Align index marks and install hub to disc.



2. Bolt
Torque N ⋅m (kgf ⋅m/lb ⋅ft)
103 (10.5/76)


3. ABS sensor rotor
(1) Set a new ABS sensor rotor, if replacement is required.
(2) Install the ABS sensor rotor in the hub, using special tools.
Installer : 5-8840-2789-0
Grip : 5-8840-0007-0
Refer to the section Brake.


RTW 74CSH000201
4. Inner Bearing and Outer Race
5. Oil Seal
• Outer Bearing Outer Race
(1) Install the bearing outer race by driving into the hub.
Installer (Outer) : 5-8840-2852-0
Installer (Inner) : 9-8522-1270-0
Grip : 5-8840-0007-0


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ISUZU KB P190 2007

FRONT WHEEL DRIVE 4C1-47


Important Operations
6. Hub nut
W rench : 5-8840-2117-0




7. Hub and disc assembly
Before disassembly, remove the disc brake caliper assembly
and hang it on the frame with wires.
Refer to Section “Brake” for disc brake caliper removal
procedure.




12. Bolt
13. Wheel Pin ; Front Hub
(1) Scribe mark on hub to disc before disassembly to insure proper assembly.
(2) Drive out the ABS sensor rotor using a metal bar and hammer through the two bolt holes.
• Discard the used ABS sensor rotor
Refer to the section Brake.




(3) Clamp hub and disc assembly in vise using protective pads
and remove six (6) disc to hub retaining bolts.





(4) Place hub on a suitable work surface and remove wheel
studs, as required, using a hammer.


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ISUZU KB P190 2007

4C1-48 FRONT WHEEL DRIVE
Inspection and Repair
Make necessary correction or parts replacement if wear, damage or any other abnormal conditions are found
through inspection.
For inspection and servicing of disc caliper, and relative parts, and ABS parts, refer to Section Brakes.



• Hub
• Hub bearing, oil seal
• Knuckle spindle
• Disc
• Caliper
• ABS sensor rotor
• Cap, Hub flange (4×4 model only),
Shim (4×4 model only), Snap ring (4×4
model only)


Visual Check
Check the following parts for wear, damage or other abnormal
conditions.




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ISUZU KB P190 2007

4C1-50 FRONT WHEEL DRIVE


Important Operations
1. Wheel Pin
( 1 ) Place hub on a wood workbench or a block of wood,
approx. 6” by 6” to protect the wheel stud ends and threads.
(2) Install wheel stud using a hammer.
Be sure wheel stud is started squarely and seats completely.



(3) Align index marks and install hub to disc.



2. Bolt
Torque N ⋅m (kgf ⋅m/lb ⋅ft)
1 03 ( 10.5/76)


3. ABS sensor rotor
( 1 ) Set a new ABS sensor rotor, if replacement is required.
(2) Install the ABS sensor rotor in the hub, using special tools.
Installer : 5-8840-2789-0
Grip : 5-8840-0007-0
Refer to the section Brake.



4. Inner Bearing
Outer race ; outer bearing
Install the outer race by driving it into the hub.
Installer : 5-8840-2 119-0
Grip : 5-8840-0007-0


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ISUZU KB P190 2007

FRONT WHEEL DRIVE 4C1-55




12. Bolt
13. Wheel Pin ; Front Hub
( 1 ) Scribe mark on hub to disc before disassembly to insure
proper assembly.
(2) Drive out the ABS sensor rotor using a metal bar and hammer through the two bolt holes.
• Discard the used ABS sensor rotor
Refer to the section Brake.





(3) Clamp hub and disc assembly in vise using protective pads
and remove six (6) disc to hub retaining bolts.




(4) Place hub on a suitable work surface and remove wheel
studs, as required, using a hammer.


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ISUZU KB P190 2007

4C1-56 FRONT WHEEL DRIVE
INSPECTION AND REPAIR
Make necessary correction or parts replacement if wear, damage or any other abnormal conditions are found
through inspection.
For inspection and servicing of disc caliper, and relative parts, and ABS parts, refer to Section Brakes.



• Hub
• Hub bearing, oil seal
• Knuckle spindle
• Disc
• Caliper
• ABS sensor rotor
• Cap, Hub flange, Shim, Snap ring
• Free wheeling hub parts (Option)
• Clutch, Knob, follower, inner, ring and
spring


Visual Check
Check the following parts for wear, damage or other abnormal
conditions.



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ISUZU KB P190 2007

FRONT WHEEL DRIVE 4C1-59


13. Wheel Pin
( 1 ) Place hub on a wood workbench or a block of wood,
approx. 6” by 6” to protect the wheel stud ends and threads.
(2) Install wheel stud using a hammer.
Be sure wheel stud is started squarely and seats completely.



(3) Align index marks and install hub to disc.



14. Bolt
Torque N ⋅m (kgf ⋅m/lb ⋅ft)
1 03 ( 10.5/76)


15. ABS sensor rotor
( 1 ) Set a new ABS sensor rotor, if replacement is required.
(2) Install the ABS sensor rotor in the hub, using special tools.
Installer : 5-8840-2789-0
Grip : 5-8840-0007-0
Refer to the section Brake.




16. Inner Bearing
Outer race ; outer bearing
Install the outer race by driving it into the hub.
Installer : 5-8840-2 119-0
Grip : 5-8840-0007-0


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ISUZU KB P190 2007

BRAKE CON TROL SY STE M 5 A


EHCU, Brake Pipe Diagram .......................................................................................... 5A-5
Hydraulic Unit (H/U) ...................................................................................................... 5A-6
Normal Braking ............................................................................................................. 5A- 7
Pressure Isolation (Pressure Maintain)....................................................................... 5A-8
Pressure Reduction ...................................................................................................... 5A-9
Brake Release ............................................................................................................... 5A -10
Circuit Diagram ............................................................................................................. 5A -11
Connector List ............................................................................................................... 5 A-14
Parts Location ............................................................................................................... 5 A-16
EHCU Pin-Assignment .................................................................................................. 5A-20
System Components .................................................................................................... 5A-22
Electronic Hydraulic Control Unit (EHCU).............................................................. 5A-22
ABS Warning Lamp .................................................................................................. 5A-22
Wheel Speed Sensor (WSS) .................................................................................... 5A-22
G Sensor ................................................................................................................... 5A- 22
Normal and Anti-lock Braking ................................................................................. 5A-22
Electronic Brake-force Distribution (EBD) System................................................ 5A-23
Brake Pedal Travel ................................................................................................... 5A-23
Acronyms and Abbreviations....................................................................................... 5A-23
General Diagnosis ............................................................................................................. 5A-23
General Information ...................................................................................................... 5A-23
ABS Service Precautions ............................................................................................. 5A-23
Computer System Service Precautions ...................................................................... 5A-24
General Service Precautions ....................................................................................... 5A-24
Note on Intermittents .................................................................................................... 5A-24
Test Driving ABS Complaint Vehicles ......................................................................... 5A-24
"ABS" Warning Lamp ................................................................................................... 5A-25
Normal Operation .......................................................................................................... 5A-2 5
SECTION 5A
BRAKE CONTROL SYSTEM
TABLE OF CONTENTS
Ser vice Precau tion ............................................................................................................ 5A -3
General Descrip tio n........................................................................................................... 5A -4

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ISUZU KB P190 2007