1A-65 Engine General Information and Diagnosis:
DTC “41” (P0230): FP Relay Circuit Malfunction
BA02J21104019
Detected Condition and Possible Cause
Wiring Diagram
ECM coupler (Harness side)
Troubleshooting
CAUTION
!
When using the multi circuit tester, do not strongly touch the terminal of the ECM coupler with a
needle-point tester probe to prevent the terminal damage or terminal bend.
NOTE
After repairing the trouble, clear the DTC using SDS tool. Refer to “Use of SDS Diagnosis Reset
Procedures” (Page 1A-12).
Detected condition Possible cause
No voltage is applied to fuel pump although FP relay is
turned ON.
• FP relay circuit open or short.
• FP relay (ECM) malfunction.
ECM
Fuel
pump
rela
y
Fuel pump
M
FPP
FP
R/B
O/G
14
15
Ignition
switch
Regulator/
rectifier
Magneto
Condensor
Battery
IA02J1110069-02
I933H1110012-02
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