C41" (P0230-H/L) Fp Relay Circuit Malfunction - Suzuki GSX-R1000 2007 Service Manual

"C41" (P0230-H/L) FP RELAY CIRCUIT MALFUNCTION

DETECTED CONDITION
C41 No voltage is applied to fuel pump
although FP relay is turned ON, or volt-
age is applied to fuel pump, although FP
relay is turned OFF.
P0230 Voltage is applied to fuel pump although
H
FP relay is turned OFF.
No voltage is applied to fuel pump
L
although FP relay is turned ON.
ECM
VM
FP Relay
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.
INSPECTION
Step 1 (When indicating C41:)
1) Turn the ignition switch OFF.
2) Remove the front seat. ( 8-8)
3) Check the FP relay coupler for loose or poor contacts.
If OK, then check the FP relay. ( 5-7)
Fuel pump
M
Y/R
Y/B
FP relay
• FP relay circuit open or short
• FP relay malfunction
• ECM malfunction
• FP relay switch circuit shorted to power source
• Faulty FP relay (switch side)
• FP relay coil circuit open or short
• Faulty FP relay (coil side)
Engine stop
switch
To side-stand
R/BI
switch
Side-stand
O/W
relay
1
FI SYSTEM DIAGNOSIS 4-83
POSSIBLE CAUSE
Ignition
switch