Suzuki GA413, Service Manual

Page: 274 / 1246

5E-20 ANTILOCK BRAKE SYSTEM (ABS) (OPTIONAL)
INSPECTION
STEP ACTION YES NO
1 1) Remove all speed sensors.
2) Check each sensor for damage or foreign material being
attached to it.
Are they in good condition? (See Fig. 1.)
Go to step 2. Clean or replace.
2 Check visually all wheel speed sensor installation hole for
the following.
Rotor serration (teeth) neither missing nor damaged.
No foreign material attached.
Rotor not being eccentric.
Wheel bearing free from excessive play.
Are they in good condition? (See Fig. 2.)
Go to step 3. Clean, repair or
replace.
3 1) Install each speed sensor to each knuckle and / or axle
housing.
2) Tighten each sensor bolt to specified torque.
Is there any clearance between sensor and knuckle or axle
housing? (See Fig. 3)
Replace sensor. Go to step 4.
4 Referring to item OUTPUT VOLTAGE INSPECTION of
FRONT WHEEL SPEED SENSOR, check output voltage or
waveform of each sensor.
Is proper output voltage or waveform available?
Go to step 5. Replace sensor
and recheck.
5 Referring to item ABS HYDRAULIC UNIT OPERATION
CHECK in this section, check ABS hydraulic unit.
Is it in good condition?
Substitute a known-
good ABS hydraulic
unit / control module
assembly and recheck.
Replace ABS,
hydraulic unit /
control module
assembly.
Fig. 1 Fig. 2
Fig. 3