DTC "C41" (P2505): ECM Power Input Signal Malfunction
Detected Condition and Possible Cause
Detected Condition
No voltage is applied to the ECM/PCM,
although fuel pump relay is turned ON.
C41/P2505
Wiring Diagram
ECM
16
BATT
VM
33
38
FP relay
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-15)".
Fuel pump
M
R/Bl
Y/R
Y/B
Fuel pump
relay
ECM coupler (Harness side)
Engine General Information and Diagnosis:
• Lead wire/coupler connection of ECM terminal to fuel
fuse
• Fuel fuse
• Power source of speedometer shorted to ground
Engine stop
switch
To side-stand
R/BI
switch
Side-stand
B/R
relay
Possible Cause
Ignition
switch
1A-102
B817H21104024
I717H1110034-01
I718H1110240-01