Suzuki GSF650 Service Manual

Engine General Information and Diagnosis: 1A-102
DTC “C41” (P2505): ECM Power Input Signal Malfunction
B817H21104024
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-15)”.
Detected Condition Possible Cause
C41/P2505
No voltage is applied to the ECM/PCM,
although fuel pump relay is turned ON.
• Lead wire/coupler connection of ECM terminal to fuel
fuse
• Fuel fuse
• Power source of speedometer shorted to ground
ECM
Side-stand
relay
Engine stop
switch
Fuel pump
rela
y
Fuel pump
Ignition
switch
M
Y/R
VM
FP relay
R/BI
B/R
Y/B
To side-stand
switch
33
BATT
16
38
R/Bl
I717H1110034-01
I718H1110240-01

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