Dtc "C41" (P0230-H/L): Fp Relay Circuit Malfunction - Suzuki GSX-R1000 Service Manual

Manuals by Motomatrix / The Solution For Lost Motorcycle Coded Keys
1A-98 Engine General Information and Diagnosis:
Check 4
1) Click the button (6) and increase the "Spec" (2) to 1
900 rpm.
2) Check that the "Desired idle speed" (3) is approx. 1
900 rpm.
3) Check that the "Engine speed" (7) is close to 1 900
rpm.
NOTE
Be careful not to increase the "Spec" to 2 000
rpm, or the "Engine speed" may reach the
upper limit.

DTC "C41" (P0230-H/L): FP Relay Circuit Malfunction

Detected Condition and Possible Cause
Detected Condition
No voltage is applied to fuel pump.
C41
Voltage is applied to fuel pump although
fuel pump relay is turned OFF.
H
P0230
No voltage is applied to fuel pump
L
although fuel pump relay is turned ON.
Wiring Diagram
ECM
24
VM
40
FP relay
13 14 15 16 17 18 19 20 21 22 23 24
25 26 27 28 29 30 31 32 33 34 35 36
email: info@motomatrix.co.uk / www.motomatrix.co.uk
Fuel pump
M
Y/R
Y/B
Fuel pump
relay
ECM coupler (Harness side)
1 2 3 4 5 6 7 8 9 10 11 12
If the ISC valve does not function properly, inspect the
ISC valve or replace the ISC valve. Refer to "DTC "C40"
(P0505 / P0506 / P0507): ISC Valve Circuit Malfunction"
(Page 1A-94) or "Throttle Body Disassembly and
Assembly" in Section 1D (Page 1D-11).
• Fuel pump relay circuit open or short.
• Fuel pump relay malfunction.
• Fuel pump relay switch circuit is shorted to power
source.
• Faulty pump relay (switch side).
• Fuel pump relay coil circuit open or short.
• Faulty pump relay (coil side).
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
6
2
7
3
Possible Cause
Ignition
switch
I947H1110158-01
I947H1110159-01
B947H11104025
I837H1110088-01
I837H1110007-02