Suzuki GSF650A Service Manual page 545

Step
4 1) Measure the resistance between "B" (W) and ground at
the rear wheel speed sensor coupler.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Resistance (Ω)
Normal value ("B" – Ground)
∞ Ω (Infinity)
(A)
Is the resistance between "B" and ground OK?
5 1) Check for continuity between "2" (B/Y) on the ABS
control unit coupler and "C" (B/Y) on the rear wheel
speed sensor coupler.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Continuity test (
Normal value ("2" – "C")
Continuity (
Harness side
(B)
18
10
2
ABS control unit coupler (Harness end)
Is there continuity between "2" and "C"?
Action
Sensor side
"B"
)
)
?
"C"
21
25
24
12 13 16
8 9
3 4
Yes
Inspect the wire
harness. (Faulty W/Y
wire)
I718H1450081-03
Go to Step 6.
(A)
I718H1450090-03
ABS: 4E-58
No
Replace the rear wheel
speed sensor.
Inspect the wire
harness. (Faulty B/Y
wire)