Dtc "C41" (P0230-H/L): Fp Relay Circuit Malfunction - Suzuki GW250 Service Manual

4-66 FI SYSTEM DIAGNOSIS

DTC "C41" (P0230-H/L): FP RELAY CIRCUIT MALFUNCTION

DETECTED CONDITION AND POSSIBLE CAUSE
DETECTED CONDITION
No voltage is applied to fuel pump.
C41
P0230 Voltage is applied to fuel pump although
H
FP relay is turned OFF.
No voltage is applied to fuel pump
L
although FP relay is turned ON.
WIRING DIAGRAM
ECM
VM
FP relay
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)
Fuel pump
M
O/Bl
Y
FP relay
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
• FP relay circuit open or short.
• FP relay malfunction.
• FP relay switch circuit is shorted to power source.
• Faulty FP relay (switch side).
• FP relay coil circuit open or short.
• Faulty FP relay (coil side).
Engine stop
switch
To side-stand
R/Y
switch
Side-stand
O/W
relay
27
36 37 38 39 40 41 42 43 44
Ignition
switch
29 30 31 32 33 34 35