Suzuki GSF650A Service Manual page 507

Step
6 1) Turn the ignition switch OFF.
2) Check for continuity between "24" (B/W) at the coupler
and body ground, also "25" (B/W) at the coupler and
body ground.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Continuity (
ABS control unit coupler (Harness end)
18
10
2
Are there continuity between "24", "25" and body ground?
7 (The ABS indicator light does not go off)
1) Turn the ignition switch OFF.
2) Remove the left frame cover. Refer to "Exterior Parts
Removal and Installation (GSF650/S/A/SAK7) in Section
9D (Page 9D-6)".
3) Remove the fuse box mounting bolt. Refer to "ABS
Control Unit Coupler Disconnect and Connect (Page 4E-
69)".
4) Open the fuse box and inspect the ignition fuse (1).
CAUTION
!
If a fuse is blown, find the cause of the problem
and correct it before replacing the fuse.
Ignition fuse
15 A
Is the ignition fuse OK?
Action
)
(A)
21
24
16
12 13
8
3
4
1
Replace the ABS
control unit/HU.
25
9
I718H1450038-02
Go to Step 8.
I718H1450039-01
Yes
Inspect the wire
harness. (Faulty ground
wire)
Replace the ignition
fuse.
ABS: 4E-20
No