Suzuki GSF650A - Page 175

Engine General Information and Diagnosis: 1A-100
C41 (Use of mode select switch)
P0230-H (Use of SDS)
Step Action Yes No
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?
• Y/B or B/R wire open
or short or poor 38
connection.
• Y/R or R/Bl wire
open, shorted or poor
33 connection.
• If wire and
connection are OK,
intermittent trouble or
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)”.
Replace the FP relay
with a new one. Refer to
“Fuel Pump Relay
Inspection in Section 1G
(Page 1G-6)”.
I718H1110248-01
Step Action Yes No
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?
• Y/B wire shorted to
power source.
• Y/B wire shorted to
the ground.
• If wire and
connection are OK,
intermittent trouble or
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)”.
Replace the FP relay
with a new a new one.
Refer to “Fuel Pump
Relay Inspection in
Section 1G (Page 1G-
6)”.
I718H1110248-01