Dtc "45" (C1645): Wheel Speed Sensor Circuit Open - Suzuki GSF650A Service Manual

DTC "45" (C1645): Wheel Speed Sensor Circuit Open (R)
• Poor contact in the rear wheel speed sensor coupler
• Faulty rear wheel speed sensor, etc.
Wiring Diagram
Refer to "ABS Unit Diagram (Page 4E-8)".
Troubleshooting
Step
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)
(A)
Is the resistance between (2) and ground OK?
Possible Cause
Action
I718H1450116-01
18 21
24 25
10 12 13 16
8 9
2 3 4
ABS control unit coupler
(Harness end)
(B)
I718H1450088-03
Yes
Go to Step 3.
ABS: 4E-56
B817H24504019
No
Go to Step 2.