Suzuki GSF1250 Service Manual

1A-87 Engine General Information and Diagnosis:
DTC “C32” (P0201), “C33” (P0202), “C34” (P0203) or “C35” (P0204): Fuel Injector Circuit Malfunction
B718H11104021
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)”.
• Injector voltage can be detected only for 3 seconds after ignition switch is turned ON.
Detected Condition Possible Cause
CKP signal is produced but fuel injector signal is
interrupted by 4 times or more continuity.
• Injector circuit open or short.
• Injector malfunction.
• ECM malfunction.
ECM
#21
#31
#41
#11
#2#3#4 #1
Gr/W
Gr/B
Gr/Y
Gr/R
Fuel injector
Fuel pump relay
To the engine
stop switch
Y/R
Gr/W
Gr/B
Gr/Y
Gr/R
44
43
42
41
I718H1110100-03
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