Suzuki GSX-R1000 2007, Service Manual

Page: 238 / 549

FI SYSTEM DIAGNOSIS 4-83
“C41” (P0230-H/L) FP RELAY CIRCUIT MALFUNCTION
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)
DETECTED CONDITION POSSIBLE CAUSE
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. • FP relay circuit open or short
• FP relay malfunction
• ECM malfunction
P0230
H
Voltage is applied to fuel pump although
FP relay is turned OFF. • FP relay switch circuit shorted to power source
• Faulty FP relay (switch side)
L
No voltage is applied to fuel pump
although FP relay is turned ON. • FP relay coil circuit open or short
• Faulty FP relay (coil side)
ECM
Side-stand
relay
Engine stop
switch
FP relay
Fuel pump
Ignition
switch
M
Y/R
VM
FP Relay
R/BI
O/W
Y/B
To side-stand
switch
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.
1