Suzuki GSX-R750 Service Manual page 175

P0230-H (Use of SDS)
Step
1 1) Turn the ignition switch OFF.
2) Remove the front seat. Refer to "Exterior Parts Removal
and Installation in Section 9D (Page 9D-11)".
3) Check the FP relay coupler (1) 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?
P0230-L (Use of SDS)
Step
1 1) Turn the ignition switch OFF.
2) Remove the front seat. Refer to "Exterior Parts Removal
and Installation in Section 9D (Page 9D-11)".
3) Check the FP relay coupler (1) 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
1
I837H1110090-01
Action
1
I837H1110091-01
Engine General Information and Diagnosis:
Yes
• Y/B wire shorted to
power source.
• Y/B wire shorted to
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)".
Yes
• Y/B wire open or poor
"40" connection.
• O/W wire open or
shorted to ground.
• R/Bl or Y/R wire open
or shorted to ground,
or poor "24"
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)".
1A-103
No
Replace the FP relay
with a new one.
No
Replace the FP relay
with a new one.