Suzuki Liana RH413 Service Manual page 505

• When diag. switch terminal (2) of diagnosis connector
(1) (monitor connector) is grounded, the abnormal
area is output as DTC. It is indicated by flashing of
ABS warning lamp. (Refer to the following table.)
3. Ground terminal
4. Service wire
ABS Warning
System Condition
In good No trouble
condition in the past
at present Trouble
occurred in
the past
Abnormal No trouble
ity exists in the past
at present Trouble
occurred in
the past
• For procedure to clear all DTCs, refer to "DTC
Clearance".
Also ABS control module turns ON EBD warning lamp
(brake warning lamp) depending on the trouble and EBD
warning lamp does not indicate DTC.
I2RH01450004-01
DTC Indicated
Lamp by ABS
Operation Warning Lamp
OFF DTC 12
OFF History DTC
ON Current DTC
Current and
history DTC
ON
indicated
simultaneously
Fail-Safe Function
When an abnormality occurs (an abnormal DTC is
detected), ABS control module turns OFF the fail-safe
relay (transistor) which supplies power to it self. Thus,
with ABS not operating, brakes function just like the
brake system of the vehicle without ABS.
Fail-Safe Operation Table
Trouble Area EBD Operation
Normal
G sensor circuit
Controllable in
malfunction of one
Wheel speed
sensor circuit or
Uncontrollable in
sensor ring
malfunction of 2, 3
or all wheels.
Inlet solenoid valve
circuit or outlet
Uncontrollable
solenoid valve
circuit
High
Uncontrollable
Power voltage
source Low
voltage
ABS pump motor
and/or motor relay
circuit
Fail-safe relay Uncontrollable
ABS control module Uncontrollable
ABS:
ABS
Operation
Controllable Controllable
Controllable Uncontrollable
wheel.
Uncontrollable
Uncontrollable
Uncontrollable
Controllable Uncontrollable
Controllable Uncontrollable
Uncontrollable
Uncontrollable
4E-3