Suzuki Swift Sport 2004 Service & Repair Manual page 175

DTC Detecting Condition and Trouble Area
DTC detecting condition
Monitor signal of radiator cooling fan relay is different from
command signal.
(1 driving cycle detection logic)
DTC Confirmation Procedure
1) Turn OFF ignition switch.
2) Clear DTC with ignition switch turned ON.
3) Run engine at idle speed.
4) Check DTC.
DTC Troubleshooting
NOTE
• When measuring circuit voltage, resistance and/or pulse signal at ECM connector, connect the
special tool to ECM and/or the ECM connectors referring to "Inspection of ECM and Its Circuits".
• Upon completion of inspection and repair work, perform "DTC Confirmation Procedure" and
confirm that the trouble has been corrected.
Step
1 Was "Engine and Emission Control System Check"
performed?
2 Circuit fuse check
1) Check "RDTR FAN" fuse (1) in individual circuit fuse box
No.1 with ignition switch turned OFF.
Is "RDTR FAN" fuse in good condition?
Action
1
Engine General Information and Diagnosis:
• Radiator cooling fan relay circuit malfunction
• Radiator cooling fan relay malfunction
• ECM malfunction
Yes
Go to Step 2.
Go to Step 3.
I4RS0A110022-01
Trouble area
No
Go to "Engine and
Emission Control
System Check".
Check for short in
circuits connected to
this fuse.
1A-125