Suzuki GSF650 Service Manual

ABS: 4E-52
DTC “43” (C1643): Wheel Speed Sensor Circuit Short (F)
B817H24504017
Wiring Diagram
Refer to “ABS Unit Diagram (Page 4E-8)”.
Troubleshooting
Possible Cause
• Poor contact in the front wheel speed sensor coupler
• Faulty front wheel speed sensor, etc.
Step Action Yes No
1 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) Check the ABS control unit coupler for loose or poor
contacts. If OK, then disconnect the ABS control unit
coupler.
5) Check for continuity between “3” (W/R) and “12” (B/R) at
the coupler.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Continuity ( )
ABS control unit coupler (Harness end)
Is there continuity between “3” and “12”?
• Inspect the wire
harness. (Faulty
sensor wire)
• Faulty front wheel
speed sensor
Go to Step 2.
24 25
18
10
12 13
16
2
3
4
21
89
(A)
(A)
I718H1450085-02

Suzuki GSF650 Specifications

General

Displacement	656 cc
Bore x Stroke	65.5 mm x 48.7 mm
Compression Ratio	11.5:1
Fuel System	Fuel injection
Ignition	Electronic ignition (transistorized)
Starter	Electric
Transmission	6-speed, constant mesh
Final Drive	Chain
Front Suspension	Telescopic, coil spring, oil damped
Rear Suspension	Link type, coil spring, oil damped
Front Tire	120/70ZR17M/C (58W), tubeless
Rear Tire	160/60ZR17M/C (69W), tubeless
Overall Length	2, 130 mm
Rear Brakes	Disc brake
Fuel Tank Capacity	19.0 L
Wheelbase	1, 470 mm
Seat Height	790 mm
Ground Clearance	135 mm
Engine Type	4-stroke, liquid-cooled, DOHC, 4-cylinder