Suzuki GSF650A - DTC 45 (C1645): Wheel Speed Sensor Circuit Open

ABS: 4E-56
DTC “45” (C1645): Wheel Speed Sensor Circuit Open (R)
B817H24504019
Wiring Diagram
Refer to “ABS Unit Diagram (Page 4E-8)”.
Troubleshooting
Possible Cause
• Poor contact in the rear wheel speed sensor coupler
• Faulty rear wheel speed sensor, etc.
Step Action Yes No
1 1) Turn the ignition switch OFF.
2) Remove the frame covers, left and right. 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) Check the ABS control unit coupler and rear wheel
speed sensor coupler for loose or poor contacts. If OK,
then disconnect the ABS control unit coupler.
5) Measure the resistance between “2” (B/Y) and ground at
the ABS control unit coupler.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Resistance (Ω)
Normal value (“2” – Ground)
∞ Ω (Infinity)
Is the resistance between (2) and ground OK?
Go to Step 3. Go to Step 2.
I718H1450116-01
12
18
10
13
24
16
89
24
25
21
3
ABS control unit coupler
(Harness end)
(A)
(B)
I718H1450088-03