Engine General Information and Diagnosis: 1A-100
DTC “C41” (P2505): ECM Power Input Signal Malfunction
B718H11104031
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 pointed 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-13)”.
Detected Condition Possible Cause
C41/P2505
No voltage is applied to the ECM,
although FP relay is turned ON.
• Lead wire/coupler connection of ECM terminal to fuel
fuse
• Fuel fuse
• Power source of speedometer shorted to ground
ECM
Side-stand
relay
Engine stop
switch
Fuel pump
relay
Fuel pump
Ignition
switch
M
Y/R
VM
FP relay
R/BI
B/R
Y/B
To side-stand
switch
33
BATT
16
38
R/Bl
To speedometer
I718H1110264-02
I718H1110240-01
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