Dtc "C41" (P2505): Ecm Power Input Signal Malfunction - Suzuki GSX-R750 Service Manual

1A-104 Engine General Information and Diagnosis:

DTC "C41" (P2505): ECM Power Input Signal Malfunction

Detected Condition and Possible Cause
Detected Condition
No voltage is applied to the ECM.
C41/P2505
Wiring Diagram
To speedometer
ECM
BATT
10
24 VM
40 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 terminal damage.
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)
1 2 3 4 5 6 7 8 9 10 11 12
13 14 15 16 17 18 19 20 21 22 23 24
25 26 27 28 29 30 31 32 33 34 35 36
• Lead wire/coupler connection of ECM terminal to fuel
fuse.
• Fuel fuse.
Engine stop
switch
To side-stand
R/BI
switch
Side-stand
O/W
relay
37 38 39 40 41 42 43 44 45 46 47 48
49 50 51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70 71 72
Possible Cause
Ignition
switch
B838H21104026
I837H1110092-01
I837H1110007-02