Suzuki sq-416-420-625 Service Manual page 358

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, turn 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
1. ABS hydraulic
unit / control
module connector
ACTION
ANTILOCK BRAKE SYSTEM (ABS) (OPTIONAL) 5E1-17
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.
"Bl/O" circuit open.
If wire and
connection are OK,
replace ABS lamp
driver module.
"B" circuit open.