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HYDRAULIC BRAKES 4A-11
Adjustment Procedure
1. Pedal HeightNotice If pedal height is not in specified value, loosen the stop lamp nut (B) and adjust the pedal height.
2. Pedal Stroke
Height (A) 150 mm (From the carpet)
Notice If pedal stroke is not in specified value, loosen the stop bolt and lock nut (F) and adjust the pedal stroke.
3. Free Play
Stroke (C) Mando : 138 mm
PBR : 132mm
Notice
To adjust, depress the brake pedal several times until there is no more vacuum left in the vacuum line.
To adjust, loosen the lock nut (D) of the push rod and turn the rod.
Free Play (E) 1 - 4 mm
Inspection Procedure
1. Inspect the wear of bushing.
2. Inspect the warp and bend of brake pedal.
3. Inspect the return spring of brake pedal.
4. Inspect the conductivity when connecting the tester to the stop lamp switch connector.
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HYDRAULIC BRAKES 4A-13
Construction LCRV consists of sensing part and hydraulic control part.
1. Sensing PartIt detects the changes of vehicle height caused by vehicle load. It consists of load sensing spring and control leverwhich change according to vehicle load.
2. Hydraulic Control Part It consists of valve stem devices which controls hydraulicpressure according to load detected by sensing part.
Trouble Shooting Poor Braking Possible Cause
Air in Brake System Poor Adjustment of Sensor SpringDamaged Sensor SpringFluid Leaking from LCRV Remedy
Bleeding Adjust
Replace Replace
Possible Cause
Poor Adjustment of Sensor Spring Internal Fluid Leaking of LCRV Remedy
Adjust
Replace
Abnormal Locking
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4A-14 HYDRAULIC BRAKES
LCRV SETTING METHOD
1. LCRV setting should be performed with unladen vehiclecondition.
2. Install the connecting rod (a) to the No.1 hole.
Tightening Torque 14 - 18 Nm
3. Adjust the clearance “X” to be 0 mm and tighten the bolt (c) using the lock nut (b).
Tightening Torque 14 - 18 Nm
4. Remove the connecting rod (a) from the No.1 hole and reinstall it to the No. 2 hole.
5. Place alignment marks between the lock nut (b) and adjusting screw (c) after the valve setting.
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FrontRear
Front Rear
SECTION 4F
ANTILOCK BRAKE SYSTEM
TABLE OF CONTENTS
Caution: Disconnect the negative battery cable before removing or installing any electrical unit or when a tool or equipment could easily come in contact with exposed electrical terminals. Disconnecting thiscable will help prevent personal injury and damage to the vehicle. The ignition must also be in LOCKunless otherwise noted.
SPECIFICATIONS
GENERAL SPECIFICATIONS
Application Model
ECUNumber of Pins
Operating TemperatureMotor Operating CurrentSolenoid Coil Resistance External Resistance Air Gap
Number of teeth Description
ABS 5.3 31
-40 ~ +120 °C
Below MAX 40A
1.28K - 1.92K
0.35 - 1.60 mm 0.15 - 1.20 mm 52 52 ABS/ABD 5.3
83
-40 ~ +85 °C
Below MAX 45A
8.04 - 9.04 except AV,
HSV 4.04 - 4.54
1.28K - 1.92K
0.35 - 1.60 mm 0.15 - 1.20 mm
52 52
Hydraulic System
Wheel Speed Sensor Impulse Ring
Specifications . . . . . . . . . . . . . . . . . . . . . . . . 4F-1
General Specifications . . . . . . . . . . . . . . . . . . 4F-1
Schematic and Routing Diagrams . . . . . . . . 4F-2 ABS 5.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4F-2
ABS/ABD 5.0 . . . . . . . . . . . . . . . . . . . . . . . . . 4F-3
ABS 5.3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4F-4
ABS/ABD 5.3 . . . . . . . . . . . . . . . . . . . . . . . . . 4F-5
Component Locator . . . . . . . . . . . . . . . . . . . 4F-6 ABS, ABS/ABD . . . . . . . . . . . . . . . . . . . . . . . . 4F-6
ABD System Description . . . . . . . . . . . . . . . 4F-7 Self Diagnosis . . . . . . . . . . . . . . . . . . . . . . . 4F-9
ABS, ABS/ABD 5.3 . . . . . . . . . . . . . . . . . . . . . 4F-9
ABS, ABS/ABD 5.0 . . . . . . . . . . . . . . . . . . . . 4F-11
Defect Codes . . . . . . . . . . . . . . . . . . . . . . . . 4F-13
Maintenance and Repair . . . . . . . . . . . . . . 4F-19
On-Vehicle Service . . . . . . . . . . . . . . . . . . . . 4F-19
Wheel Speed Sensor . . . . . . . . . . . . . . . . . . 4F-19
Hydraulic Circuit . . . . . . . . . . . . . . . . . . . . 4F-21 ABS 5.3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4F-21
ABS/ABD 5.3 . . . . . . . . . . . . . . . . . . . . . . . . 4F-24
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4F-2 ANTILOCK BRAKE SYSTEM
ABS 5.0
SCHEMATIC AND ROUTING DIAGRAMS
5.0W5.0W
30A
30A
ENG
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ANTILOCK BRAKE SYSTEM 4F-3
ABS/ABD 5.0
ABD ACTIVE
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4F-4 ANTILOCK BRAKE SYSTEM
ABS 5.3
5.0W5.0W
30A
30A
NO.21
K2
Page 834 of 1574
ANTILOCK BRAKE SYSTEM 4F-5
ABS/ABD 5.3
5.0W5.0W