4-66 FI SYSTEM DIAGNOSIS
DTC “C41” (P0230-H/L): FP RELAY CIRCUIT MALFUNCTION
DETECTED CONDITION AND POSSIBLE CAUSE
WIRING DIAGRAM
TROUBLESHOOTING
NOTE:
After repairing the trouble, clear the DTC using SDS tool. (
4-25)
DETECTED CONDITION
POSSIBLE CAUSE
C41
No voltage is applied to fuel pump.
• FP relay circuit open or short.
• FP relay malfunction.
P0230
H
Voltage is applied to fuel pump although
FP relay is turned OFF.
• FP relay switch circuit is shorted to power source.
• Faulty FP relay (switch side).
L
No voltage is applied to fuel pump
although FP relay is turned ON.
• FP relay coil circuit open or short.
• Faulty FP relay (coil side).
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.
ECM
FP relay
Fuel pump
M
O/Bl
VM
FP relay
R/Y
O/W
Y
15 16 17 18 19
22 23
20 21
24 25 26
2 3 4 5 6
9 10
7 8
11 12 13
27 28 29 30 31 32 33 34 35
36 37 38 39 40 41 42 43 44
1
14
ECM coupler (Harness side)
Side-stand
relay
Engine stop
switch
Ignition
switch
To side-stand
switch
