Suzuki GRAND VITARA JB416, Service Manual

Page: 213 / 474

Brake Control System and Diagnosis: 4A-4
Pedal pulsation
(Pedal pulsates when
depressed for braking) Damaged or loose wheel bearings Replace wheel bearings.
Distorted steering knuckle or rear axle
shafts Replace knuckle or rear axle shaft.
Excessive disc lateral runout Check per instructions. If not within
specifications, replace or machine the disc.
Parallelism not within specifications Check per instructions. If not with
specifications, replace or machine the disc.
Rear drums out of round Check runout. Repair or replace drum as
necessary.
Braking noise Glazed shoe linings, or foreign matters
stuck to linings Repair or replace shoe lining.
Worn or distorted shoe linings Replace shoe lining (or pad).
Loose front wheel bearings Replace wheel bearing.
Distorted backing plates or loose
mounting bolts Replace or retighten securing bolts.
Brake warning light turns
ON after engine start Parking brake applied Release parking brake and check that brake
warning light turns off.
Insufficient amount of brake fluid Add brake fluid.
Brake fluid leaking from brake line Investigate leaky point, correct it and add
brake fluid.
Brake warning light circuit faulty Repair circuit.
Malfunctioning EBD system, if equipped
with ABS (ESP
®
)
Check system referring to “EBD Warning Lamp
(Brake Warning Lamp) Comes ON Steady: in
Section 4E”.
Brake warning light turns
on when brake is applied Brake fluid leaking from brake line Investigate leaky point, correct it and add
brake fluid.
Insufficient amount of brake fluid Add brake fluid.
Brake warning light fails
to turn on even when
parking brake is applied Brake warning light circuit open Repair circuit.
ABS warning light or
ESP
®
warning light does
not turn ON for 2 – 3 sec.
after ignition switch has
turned ON
ABS warning light circuit open (including
check relay) Repair or replace.
Malfunctioning ABS (ESP
®
) Check system referring to “ABS Warning Lamp
Does Not Come ON at Ignition Switch ON: in
Section 4E” or “ESP
®
Warning Lamp Does
Not Come ON at Ignition Switch ON: in
Section 4F”.
ABS warning light or
ESP
®
warning light
remains ON after ignition
switch has turned ON for
2 – 3 sec.
Malfunctioning ABS (ESP
®
) Check system referring to “ABS Warning Lamp
Does Not Come ON at Ignition Switch ON: in
Section 4E” or “ESP
®
Warning Lamp Does
Not Come ON at Ignition Switch ON: in
Section 4F”
Condition Possible cause Correction / Reference Item