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BRAKES - ABS TABLE OF CONTENTS page page BRAKES - ABS SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 DESCRIPTION - ELECTRONIC VARIABLE BRAKE PROPORTIONING . . . . . . . . . . . . . . . 82 OPERATION - ANTILOCK BRAKE SYSTEM OPERATION - ELECTRONIC VARIABLE BRAKE PROPORTIONING . . . . . . . . . . . . . . . 84 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 DIAGNOSIS AND TESTING - INSPECTION . . . . . . . . . . . . . . . . . . . . . 85 STANDARD PROCEDURE - ANTILOCK BRAKE . . . . . . . . . . . . . . . . . . . 85 . . . . . . . . . . . . . . . 86 . . . . . . . . . . . . . . . . 86 FRONT WHEEL SPEED SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . 86 . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 . . . . . . . . . . . . . . . . . . . . . . . . . 88 REAR WHEEL SPEED SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . 89 . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 . . . . . . . . . . . . . . . . . . . . . . . . . 90 TONE WHEEL . . . . . . . . . . . . . . . . . . . . . . . . . 90 . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 . . . . . . . . . . . . . . . . . . . . . . . . . . 90 HCU - HYDRAULIC CONTROL UNIT DESCRIPTION - HYDRAULIC CONTROL UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 OPERATION - HYDRAULIC CIRCUITS AND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 ICU - INTEGRATED CONTROL UNIT . . . . . . . . . . . . . . . . . . . . . . . . . 93 . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 . . . . . . . . . . . . . . . . . . . . . . . . 94 . . . . . . . . . . . . . . . . . . . . 96 . . . . . . . . . . . . . . . . . . . . . . . 96 . . . . . . . . . . . . . . . . . . . . 96 BRAKES - ABS DESCRIPTION DESCRIPTION - ANTILOCK BRAKE SYSTEM This section covers the physical and operational descriptions, and the on-car service procedures for All vehicles equipped with ABS use electronic vari- able brake proportioning (EVBP) to balance front-to- This system shares most base brake hardware used on vehicles without ABS. A vehicle equipped The antilock brake system prevents wheel lockup under braking conditions on virtually any type of DESCRIPTION - ELECTRONIC VARIABLE Vehicles equipped with ABS use electronic variable brake proportioning (EVBP) to balance front-to-rear EVBP activation is invisible to the customer since there is no pump motor noise or brake pedal feed- 5 - 82 BRAKES - ABS PL/SRT-4 |