Dtc "C32" (P0201) Or "C33" (P0202): Fuel Injector Circuit Malfunction - Suzuki GW250 Service Manual

DTC "C32" (P0201) or "C33" (P0202): FUEL INJECTOR CIRCUIT
MALFUNCTION
DETECTED CONDITION AND POSSIBLE CAUSE
DETECTED CONDITION
CKP signal is produced but fuel injector signal is
interrupted by 4 times or more continuity.
WIRING DIAGRAM
ECM
#1
#2
14
TROUBLESHOOTING
When using the multi circuit tester, do not strongly touch the terminal of the ECM coupler with
a needle-point tester probe to prevent terminal damage.
NOTE:
After repairing the trouble, clear the DTC using SDS tool. (4-25)
Step 1
Injector power supply circuit check
1) Turn the ignition switch OFF.
2) Remove the fuel tank. (5-2)
3) Disconnect the injector coupler related to DTC. (#1 cylinder
1 or #2 cylinder 2)
Bl/Y
Bl/G
#2
Fuel injector
ECM coupler (Harness side)
1 2 3 4 5 6 7 8 9 10 11 12 13
15 16 17 18 19 20 21 22 23 24 25 26
POSSIBLE CAUSE
• Injector circuit open or short.
• Injector malfunction.
• ECM malfunction.
FP relay
O/Bl
#1
27 29 30 31 32 33 34 35
36 37 38 39 40 41 42 43 44
1
FI SYSTEM DIAGNOSIS 4-57
To engine
stop switch