Suzuki GSX1300BK B-King Service Manual page 171

1A-100 Engine General Information and Diagnosis:
C41 (Use of mode select switch)
Step
1 1) Turn the ignition switch OFF.
2) Lift and support the fuel tank. Refer to "Fuel Tank
Removal and Installation in Section 1G (Page 1G-10)".
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-H (Use of SDS)
Step
1 1) Turn the ignition switch OFF.
2) Lift and support the fuel tank. Refer to "Fuel Tank
Removal and Installation in Section 1G (Page 1G-10)".
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
I823H1110149-01
Action
1
I823H1110149-01
Yes
• ECM power input
signal malfunction.
Refer to "DTC "C41"
(P2505): ECM Power
Input Signal
Malfunction
(Page 1A-102)".
• Y/B or O/W wire open
or short or poor "39"
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-2)".
Yes
• 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-2)".
No
Replace the FP relay
with a new one.
No
Replace the FP relay
with a new one.