Suzuki Liana RH413, Service Manual

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Brake Control System and Diagnosis: 4A-9
Fluid Pressure Test (If Equipped with LSPV)
S3RH0A4104003
Test procedure for LSPV assembly is as follows.
Before testing, confirm the following.
• Fuel tank is filled with fuel fully.
• Vehicle is equipped with spare tire, tools, jack and
jack handle.
1) Place vehicle on level floor and set 200 kg (442 lbs)
weight slowly on axle housing center.
2) Install special tool to front and rear brake.
NOTE
Pressure gauge should be connected to
breather of front (left side brake) and rear
(right side brake).
After testing front left side and rear right side,
test front right side and rear left side in the
same way.
Pedal pulsation (Pedal
pulsates when depressed
for braking) Damaged or loose wheel bearings Replace wheel bearings.
Distorted steering knuckle or rear wheel
spindle Replace knuckle or rear wheel spindle.
Excessive disc lateral runout Check per instructions. If not within
specifications, replace or machine disc.
Parallelism between pad and disc not
within specifications Check per instructions. If not within
specifications, replace or machine 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 linings.
Worn or distorted shoe linings Replace shoe lining (or pad).
Loose front wheel bearings Replace wheel bearings.
Distorted backing plates or loose
mounting bolts Replace or retighten securing bolts.
Contact wear indicator to brake disc Replace pads.
Brake warning lamp lights
after engine start Parking brake applied Release parking brake and check that brake
warning lamp 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 lamp circuit faulty Repair circuit.
Malfunctioning EBD system, if equipped
with ABS. Check system referring to “EBD Warning Lamp
(Brake Warning Lamp) Comes ON Steady in
Section 4E”.
Brake warning lamp 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 lamp fails
to turn on even when
parking brake is applied Brake warning lamp circuit faulty Replace bulb or repair circuit.
ABS warning lamp turns
on after engine start (If
equipped) Malfunctioning ABS Check system referring to “ABS Check in
Section 4E”.
ABS warning lamp turns
on when brake is applied
(If equipped) Malfunctioning ABS Check system referring to “ABS Check in
Section 4E”.
ABS warning lamp does
not turn on for 2 sec. after
ignition switch has turned
ON (If equipped) Bulb burnt out Replace bulb.
Malfunctioning ABS Check system referring to “ABS Check in
Section 4E”.
ABS warning lamp
flashes (If equipped) New ABS hydraulic unit / control module
assembly installed. Perform “ABS Hydraulic Unit Operation Check
in Section 4E”.
Condition Possible cause Correction / Reference Item