Suzuki Swift Sport 2004 Service & Repair Manual page 90

1A-40 Engine General Information and Diagnosis:
Step
11 Check fuel pump for operation
Was fuel pump operating sound heard from fuel filler for
about 2 seconds after ignition switch ON and stop?
12 Check ignition spark
1) Disconnect injector couplers.
2) Remove spark plugs and connect them to high-tension
cords or ignition coil assemblies.
3) Ground spark plugs.
4) Crank engine and check if each spark plug sparks.
Is it in good condition?
13 Check fuel injector for operation
1) Install spark plugs and connect injector connectors.
2) Using sound scope (1), check operating sound of each
injector (2) when cranking engine.
Was injector operating sound heard from all injectors?
Action
I3RM0A110015-01
Yes
Go to "Fuel Pressure
Check".
Go to Step 13.
Go to "Engine Symptom
Diagnosis".
No
Go to "Fuel Pump and
Its Circuit Check".
Go to "Ignition Spark
Test in Section 1H".
Go to "Fuel Injector
Circuit Check".