Suzuki GSF650A Service Manual page 190

1A-115 Engine General Information and Diagnosis:
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 cooling fan relay coupler for loose or poor
contacts.
If OK, then inspection the cooling fan relay. Refer to
"Cooling Fan Relay Inspection in Section 1F (Page 1F-
8)".
Is the cooling fan relay OK?
Action
I718H1110222-02
Yes
• O/W and O/R wire
open or shorted to
the ground, or poor
15 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)".
No
Replace the cooling fan
relay with a new one.
Refer to "Cooling Fan
Relay Inspection in
Section 1F (Page 1F-
8)".