Suzuki GSF650A Service Manual page 176

1A-101 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 (GSF650/S/A/SAK7) 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-6)".
Is the FP relay OK?
Action
I718H1110248-01
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. Refer to
"Fuel Pump Relay
Inspection in Section 1G
(Page 1G-6)".