Suzuki GA413 Service Manual page 270

5E-16 ANTILOCK BRAKE SYSTEM (ABS) (OPTIONAL)
TABLE – B "ABS" WARNING LAMP CIRCUIT CHECK – LAMP COMES "ON"
STEADY
Refer to TABLE – A for System Circuit Diagram and Circuit Description.
INSPECTION
STEP
1 Perform diagnostic trouble code check. Is there any DTC
(including code No.12, NO CODES on SUZUKI scan tool)
exists?
2 Is malfunction DTC (other than code No.12) exists at step
1?
3 1) Disconnect ABS hydraulic unit / control module
connector. (See Fig. 1)
2) Check for proper connection to ABS hydraulic
unit / control module connector at terminals "A17",
"A25" and "A10".
3) If OK then ignition switch "ON" and measure voltage
at terminal A25 of connector.
Is it 10 – 14 V?
4 1) With ABS control module connector disconnected,
turn ignition switch ON and light ABS warning lamp.
2) Connect terminal "A17" of disconnected connector to
ground using service wire.
Does ABS warning lamp turn off?
5 1) Measure resistance from connector terminal "A10" to
body ground.
Is continuity indicated?
Fig. 1
ACTION
1. ABS hydraulic
unit / control
module connector
YES
Go to step 2.
Go to step 7 of "ABS
diagnostic flow table"
in this section.
Go to step 4.
Go to step 5.
Substitute a known-
good ABS hydraulic
unit/control module
assembly and recheck.
NO
Go to step 3.
Go to step 3.
"B/ W" circuit open.
"R/Bl" circuit open.
If wire and connec-
tion are OK,
replace ABS lamp
driver module.
"B" circuit open.