Abs; Precautions; Precautions In Diagnosing Troubles; Precautions In On-Vehicle Service - Suzuki Swift Sport 2004 Service & Repair Manual

4E-1 ABS:

ABS

Brakes

Precautions in Diagnosing Troubles

To ensure that the trouble diagnosis is done accurately
and smoothly, observe the following and follow "ABS
Check".
• Diagnostic information stored in ABS control module
memory can be cleared as well as checked by using
SUZUKI scan tool. Before using scan tool, read its
Operator's (Instruction) Manual carefully to have good
understanding as to what functions are available and
how to use it.
• If the vehicles was operated in any of the following
ways, ABS warning light may light momentarily but
this does not indicate anything abnormal in ABS.
– The vehicle was driven with parking brake pulled.
– The vehicle was driven with brake dragging.
– The vehicle was stuck in mud, sand, etc.
– Wheel spin occurred while driving.
– Wheel(s) was rotated while the vehicle was jacked
up.
• Be sure to read "Precautions for Electrical Circuit
Service in Section 00" before inspection and observe
what is written there.
• Be sure to use the trouble diagnosis procedure as
described in "ABS Check". Failure to follow it may
result in incorrect diagnosis. (Some other diagnosis
trouble code may be stored by mistake in the memory
of ABS control module during inspection.)
• When disconnecting ABS control module connector
(1), pull down lock lever (2) of connector.
When connecting, set the connector on ABS control
module assembly and pull up the lock lever (2) until it
locks.
[A]
[A]: Disconnect
[B]: Connect

Precautions

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[B]
1
2
D
C
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C: Pull down to disconnect
D: Pull up to connect
• Communication of ECM, BCM, ABS control module,
keyless start control module (if equipped), and
combination meter is established by CAN (Controller
Area Network).
Therefore, be sure to read "Precautions for Installing
Mobile Communication Equipment in Section 00"
before inspection and handle CAN communication
line.

Precautions in On-Vehicle Service

When connector is connected to ABS control module
assembly, do not disconnect connectors of sensors with
ignition switch ON. Otherwise, DTC will be set in ABS
control module.

Precautions in Hydraulic Unit Operation Check

ABS hydraulic unit / control module assembly function is
checked by correct wheel lock / release condition when
brake pressure is pressurized / depressurized using
SUZUKI scan tool. The hydraulic unit operation check
referring to "ABS Hydraulic Unit Operation Check"
should be performed to confirm the correct brake pipe
connection in the following cases.
• ABS hydraulic unit / control module assembly was
replaced.
• Brake pipe and/or hose ware replaced.
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