Suzuki GSF1250 Service Manual page 168

1A-99 Engine General Information and Diagnosis:
P0230-L (Use of SDS)
Step
1 1) Turn the ignition switch OFF.
2) Remove the seat. Refer to "Exterior Parts Removal and
Installation in Section 9D (Page 9D-6)".
3) Check the FP relay coupler for loose or poor contacts.
If OK, then check the FP relay. Refer to "Fuel Pump
Relay Inspection in Section 1G (Page 1G-7)".
Is the FP relay OK?
Action
I718H1110221-03
Yes
• Y/B wire open or poor
"38" connection.
• B/R wire open or
shorted to the
ground.
• R/Bl or Y/R wire open
or shorted to the
ground or poor "33"
connection.
• If wire and
connection are OK,
intermittent trouble of
faulty ECM.
• Recheck each
terminal and wire
harness for open
circuit and poor
connection.
• Replace the ECM
with a known good
one, and inspect it
again. Refer to "ECM
Removal and
Installation in Section
1C (Page 1C-1)".
No
Replace the FP relay
with a new one.