Suzuki Swift Sport 2004 Service & Repair Manual page 504

4A-6 Brake Control System and Diagnosis:
Condition
Pedal pulsation (Pedal
pulsates when depressed
for braking)
Braking noise
Brake warning light lights
after engine start
Brake warning light turns
on when brake is applied
Brake warning light fails
to turn on even when
parking brake is applied
ABS warning light or
®
ESP warning light turns
on after engine start
ABS warning light or
®
ESP warning light turns
on when brake is applied
ABS warning light or
®
ESP warning light does
not turn on for 2 sec. after
ignition switch has turned
ON
ABS warning light flashes New ABS hydraulic unit / control module
Possible cause
Damaged or loose wheel bearings
Distorted steering knuckle or rear wheel
spindle
Excessive disc lateral runout
Parallelism between brake pad and disc
not within specifications
Brake caliper piston sticking
Worn or distorted brake pad
Loose front wheel bearings
Distorted backing plates or loose
mounting bolts
Contact wear indicator to brake disc
Parking brake applied
Insufficient amount of brake fluid
Brake fluid leaking
Brake warning light circuit faulty
Malfunctioning EBD system
Brake fluid leaking
Insufficient amount of brake fluid
Brake warning light circuit faulty
Malfunctioning ABS (ESP®)
Malfunctioning ABS (ESP®)
Bulb burnt out
Malfunctioning ABS (ESP®)
assembly installed.
Correction / Reference Item
Replace wheel bearings.
Replace knuckle or rear wheel spindle.
Check per instructions. If not within
specifications, replace or machine disc.
Check per instructions. If not within
specifications, replace or machine disc.
Repair as necessary.
Replace pads.
Replace wheel bearings.
Replace or retighten securing bolts.
Replace brake pad.
Release parking brake and check that brake
warning light turns off.
Investigate leaky point, correct it and add
brake fluid.
Investigate leaky point, correct it and add
brake fluid.
Repair circuit.
Check system referring to "EBD Warning Light
(Brake Warning Light) Comes ON Steady in
Section 4E".
Investigate leaky point, correct it and add
brake fluid.
Investigate leaky point, correct it and add
brake fluid.
Replace bulb or repair circuit.
Check system referring to "ABS Check in
Section 4E" or "Electronic Stability Program
System Check in Section 4F".
Check system referring to "ABS Check in
Section 4E" or "Electronic Stability Program
System Check in Section 4F".
Replace bulb.
Check system referring to "ABS Check in
Section 4E" or "Electronic Stability Program
System Check in Section 4F".
Perform "ABS Hydraulic Unit Operation Check
in Section 4E".