Suzuki GSF1250 Service Manual

1A-85 Engine General Information and Diagnosis:
DTC “C31” (P0705): GP Switch Circuit Malfunction
B718H11104020
Detected Condition and Possible Cause
Wiring Diagram
ECM coupler (Harness side)
Troubleshooting
CAUTION
!
When using the multi-circuit tester, do not strongly touch the terminal of the ECM coupler with a
needle pointed tester probe to prevent the terminal damage or terminal bend.
NOTE
After repairing the trouble, clear the DTC using SDS tool. Refer to “Use of SDS Diagnosis Reset
Procedures (Page 1A-13)”.
Detected Condition Possible Cause
No Gear Position switch voltage
Switch voltage is not within the following range.
Switch voltage > 0.6 V
• Gear position switch circuit open or short.
• Gear position switch malfunction.
• ECM malfunction.
N
1
5
4
2
3
ECM
GP
E1
6
B/W
P
Bl
P
B/W
GP switch
Side-stand relay
Neutral indicator light
Side-stand switch
Ignition
switch
To the engine stop switch
23
34
I718H1110097-03
I718H1110240-01

Suzuki GSF1250 Specifications

General

Displacement	1255 cc
Bore x Stroke	79.0 mm x 64.0 mm
Compression Ratio	10.5:1
Fuel System	Fuel injection
Transmission	6-speed, constant mesh
Front Suspension	Telescopic, coil spring, oil damped
Rear Suspension	Link type, coil spring, oil damped
Front Brakes	Dual hydraulic disc
Rear Brakes	Single hydraulic disc
Front Tire	120/70ZR17M/C (58W), tubeless
Rear Tire	180/55ZR17M/C (73W), tubeless
Overall Length	2130 mm
Overall Width	790 mm
Seat Height	805 mm
Wheelbase	1485 mm
Fuel Tank Capacity	19.0 L
Starter	Electric
Final Drive	Chain
Ignition	Electronic ignition (transistorized)
Engine Type	4-stroke, liquid-cooled, DOHC
Ground Clearance	135 mm