C32" (P0201) Or "C33" (P0202) Fuel Injector Circuit Malfunction - Suzuki VZR1800 2007 Service Manual

5-68 FI SYSTEM DIAGNOSIS

"C32" (P0201) or "C33" (P0202) FUEL INJECTOR CIRCUIT MALFUNCTION

DETECTED CONDITION
CKP signals produced but fuel injector signal is
interrupted continuous by 4 times or more.
ECM
#1
#2
INSPECTION
(When indicating C32/P0201 for fuel injector #1)
(When indicating C33/P0202 for fuel injector #2)
Step 1
1) Remove the air cleaner chamber. (#6-13)
2) Turn the ignition switch OFF.
3) 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.
4) Disconnect the injector coupler and measure the resistance
between terminals.
$ Injector resistance: 11 – 13 Ω at 23 °C (73 °F)
Gr/W
Gr/B
(Front cylinder)
Fuel injector
(Terminal – Terminal)
POSSIBLE CAUSE
• Injector circuit open or short.
• Injector malfunction.
• ECM malfunction.
Fuel pump relay
Y/R
(Rear cylinder)
1
1
To engine
stop switch