Suzuki Boulevard M50 User Manual

5-66 FI SYSTEM
“C32” (P0201) or “C33” (P0202) FUEL INJECTOR CIRCUIT MALFUNCTION
INSPECTION
(When indicating C32/P0201 for fuel injector #1)
(When indicating C33/P0202 for fuel injector #2)
Step 1
1) Remove the fuel tank. (6-3)
2) Loosen the inlet pipe screw. (2-7)
Lift up the inlet pipe. (5-45)
3) Turn the ignition switch OFF.
4) Check the injector coupler (Front cylinder side 1 or Rear cyl-
inder side 2) for loose or poor contacts.
If OK, then measure the injector resistance.
5) Disconnect the injector coupler and measure the resistance
between terminals.
 Injector resistance: Approx. 11.7 Ω at 20 °C (68 °F)
(Terminal – Terminal)
DETECTED CONDITION POSSIBLE CAUSE
CKP signals produced but fuel injector signal is
interrupted continuous by 4 times or more.
• Injector circuit open or short
• Injector malfunction
• ECM malfunction
ECM
Fuel pump relay
Fuel injector
(Front cylinder) (Rear cylinder)
Y/R
Gr/W
Gr/B
#2
#1
To engine
stop switch
1
1
1
SAMPLE

Suzuki Boulevard M50 Specifications

General

Compression Ratio	9.4:1
Fuel System	Fuel injection
Ignition	Electronic ignition (transistorized)
Transmission	5-speed constant mesh
Final Drive	Shaft drive
Front Suspension	Inverted telescopic, coil spring, oil damped
Front Tire	130/90-16M/C 67H, tubeless
Rear Tire	170/80-15M/C 77H, tubeless
Ground Clearance	140 mm (5.5 in)
Seat Height	700 mm (27.6 in)
Engine Type	4-stroke, liquid-cooled, V-twin
Bore x Stroke	83.0 mm x 74.4 mm
Rear Suspension	coil spring, oil damped
Front Brakes	Single hydraulic disc
Rear Brakes	Drum
Fuel Tank Capacity	15.5 L (4.1 US gal)
Wheelbase	1, 655 mm (65.2 in)