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ELECTRICAL
TABLE OF CONTENTS
1
SPECIFICATION....................................................................................................................................... 1
2
SYSTEM DETAILS ................................................................................................................................... 3
3
TIGHTENING TORQUE............................................................................................................................ 4
4
GENERAL SYMPTOMS DIAGNOSIS...................................................................................................... 8
5
NECESSITY OF ABS WITH EBD .......................................................................................................... 10
6
VACCUM BRAKE BOOSTER................................................................................................................ 10
7
WORKING OF ANTI-LOCK BRAKING SYSTEM (ABS) ....................................................................... 12
8
ABS ELECTRONIC CONTROL UNIT / HYDRAULLIC CONTROL UNIT (ECU\HCU) ......................... 15
9
WHEEL SPEED SENSOR (MONITORS WHEEL SPEED).................................................................... 17
10 ABS SYSTEM FAILURE WARNING LIGHT.......................................................................................... 18
11 MAINTAINANCE, INSPECTION AND TEST ......................................................................................... 19
12 REAR DRUM BRAKES .......................................................................................................................... 20
13 REMOVAL OF SHOES........................................................................................................................... 23
14 REGULAR MAINTENANCE ................................................................................................................... 27
A BRAKE BLEEDING PROCEDURE ........................................................................................................ 27
B ABS SECONDARY CIRCUIT BLEEDING PROCEDURE
(USING DIAGNOSTIC TOOL)
..................... 28
C CALIPER PAD REPLACEMENT ............................................................................................................ 29
D PARKING BRAKE ADJUSTMENT ......................................................................................................... 30
E BRAKE FLUID DRAINING PROCEDURE.............................................................................................. 31
F BRAKE LIGHT SWITCH ADJUSTMENT................................................................................................ 32
G CALIPER GREASING ............................................................................................................................ 32
H DISC RUN-OUT MEASUREMENT PROCEDURE ................................................................................ 32
15 ON VEHICLE REPAIRS ......................................................................................................................... 33
A CALIPER ASSEMBLY WITH CARRIER REMOVAL .............................................................................. 33
B BRAKE DISC REMOVAL
....................................................................................................................... 33
C PARKING BRAKE .................................................................................................................................. 34
D VACCUM LINES..................................................................................................................................... 37
E BOOSTER ASSEMBLY.......................................................................................................................... 38
16 DISMANTLING, INSPECTION AND ASSEMBLY ................................................................................. 43
A FRONT CALIPER ASSEMBLY .............................................................................................................. 43