Mazda MX-6 1998, Workshop Manual

Page: 665 / 1282

ANTILOCK BRAKE SYSTEM
04-13 ANTILOCK BRAKE SYSTEM
ABS HYDRAULIC UNIT INSPECTION . 04-13-1
System Operation Check ...................... 0 4-13-1
ABS HYDRAULIC UNIT AND CONTROL
MODULE REMOVAL/INSTALLATION . 0 4 -1 3 -2
ABS Hydraulic Unit and ABS Control
Module Removal/Installation Note . . . 0 4 -1 3 -2
ABS Control Module Removal Note . . 0 4 -1 3 -2
ABS Control Module Installation Note . 0 4 -1 3 -3
ABS HARNESS AND INPUT SIGNAL
IN S P E C TIO N ............................................. 0 4 -1 3 -4
FRONT ABS WHEEL-SPEED SENSOR
REM OVAL/INSTALLATION....................0 4 -1 3 -6
FRONT ABS WHEEL-SPEED SENSOR
INSPEC TIO N ............................................. 0 4 -1 3 -6
Clearance In s p e c tio n .............................. 0 4 -1 3 -6
Resistance Inspection ............................ 0 4 -1 3 -6
Voltage Inspection .................................. 0 4 -1 3 -6
Voltage Pattern Inspection .................... 0 4 -1 3 -7
REAR ABS WHEEL-SPEED SENSOR
REMOVAL/INSTALLATION.................... 0 4 -1 3 -7
REAR ABS WHEEL-SPEED SENSOR
INSPEC TIO N ............................................. 0 4 -1 3 -7
ABS HYDRAULIC UNIT INSPECTION
System Operation Check
1. Verify that the battery is fully charged. With the
ignition switch at ON, verify that the ABS warning
light goes off after 2— 4 seconds.
2. If the light stays at ON after 2— 4 seconds the
control module detects a failure and will not
activate the hydraulic unit. Follow the
troubleshooting procedures.
3. Turn the ignition switch to OFF.
4. On level ground, jack up the vehicle and support it
evenly on safety stands. Shift the transaxle to
neutral (MTX) or N range (ATX).
5. Release the parking brake.
6. Rotate the wheels by hand, and inspect for brake
drag.
7. Connect the SST (NGS set) to the data link
connector. (Refer to 04-01 ANTILOCK BRAKE
SYSTEM AND TRACTION CONTROL SYSTEM
ON-BOARD DIAGNOSIS.)
8. Select ACTIVE COMMAND MODES.
Caution
•
To prevent damage to the solenoid valve,
do not keep the valve ON for more than 5
seconds.
10. Depress the brake pedal, and have an assistant to
verify that the left front wheel can be turned by
hands.
11. If the wheel can not be turned, replace the ABS
hydraulic unit component.
\
12. Depress the brake pedal. ;
Caution
•
To prevent damage to the solenoid valve,
do not keep the valve ON for more than 5
seconds.
13. Select ACTIVE COMMAND MODES and input the
following commands.
(1) L F A V O N
(2) L F E V O N
(3) P M P R LY O N
14. With the brake pedal is still depressed, have an
assistant to verify that the brake is released and
that the left front wheel can be turned by hands.
15. If the wheel can not be turned, replace the ABS
hydraulic unit component.
16. Inspect operation of the remaining wheels in the
same manner as steps 8— 15 by using
appropriate commands.
9. Input LF AV ON command.
0 4 -1 3 -1