Suzuki 2009 LT-A750XK9, Service Manual

Page: 141 / 711

Engine General Information and Diagnosis: 1A-68
C41 (Use of mode select switch)
P0230-H (Use of SDS)
Step Action Yes No
1 1) Remove the seat. Refer to “Front Side Exterior Parts
Removal and Installation in Section 9D (Page 9D-6)”.
2) Turn the ignition switch to OFF.
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?
• Y/Bl or O/W wire
open or shorted to
ground, or poor “19”
connection.
• Y/R or R/B wire open
or shorted to ground,
or poor “20”
connection.
• If wire and
connection are OK,
intermittent trouble or
faulty ECM.
• Recheck each
terminal and wire
harness for open
circuit 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.
Step Action Yes No
1 1) Remove the seat. Refer to “Front Side Exterior Parts
Removal and Installation in Section 9D (Page 9D-6)”.
2) Turn the ignition switch to OFF.
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?
• Y/R wire shorted to
power source.
• Y/Bl 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.
Replace the FP relay
with a new one.
I831G1110078-01