Suzuki Swift User Manual page 470

Condition
Engine cranks, but will
not start or hard to start
Poor fuel economy or
engine performance
DIAGNOSTIC FLOW TABLE
STEP
1 Was "Engine Diagnostic Flow Table" in SECTION 6
performed?
2 Ignition Spark Test
1) Check all spark plug for condition and type,
referring to "Spark Plugs" in this section.
2) If OK, perform ignition spark test, referring to
"Ignition Spark Check" in this section.
Is spark emitted from all spark plugs?
3 Diagnostic Trouble Code (DTC) Check
1) Check DTC stored in ECM (or PCM), referring to
"Diagnostic Trouble Code (DTC) Check" in
SECTION 6.
Is DTC stored?
4 Electrical Connection and Noise Suppressor Check
1) Check ignition coil for electrical connection and
noise suppressor for conductivity.
Are they good condition?
5 High-tension Cord Check
1) Check high-tension cord for resistance, referring
to "High-tension Cords" in this section.
Is check result satisfactory?
DIAGNOSIS
Possible Cause
D Blown fuse for ignition coil
D Loose connection or disconnection of lead wire or
high-tension cord(s)
D Faulty high-tension cord(s)
D Faulty spark plug(s)
D Cracked rotor or cap
D Maladjusted signal rotor air gap
D Faulty ignition coil
D Faulty noise suppressor
D Faulty CMP sensor
D Faulty igniter
D Faulty ECM (or PCM)
D Maladjusted ignition timing
D Incorrect ignition timing
D Faulty spark plug(s) or high-tension cord(s)
D Faulty ECM (or PCM)
ACTION
Replace
Connect securely
Replace
Adjust, clean or replace
Replace
Adjust
Replace
Replace
Replace
Replace
Replace
Adjust
Adjust
Adjust, clean or replace
Replace
YES
Go to Step 2.
Go to Step 11 on the
next page.
Go to applicable flow
table corresponding to
that code No. in
SECTION 6.
Go to Step 5.
Go to Step 6.
IGNITION SYSTEM 6F-3
Correction
NO
Go to "Engine
Diagnostic Flow
Table" in SECTION 6.
Go to Step 3.
Go to Step 4.
Repair or replace.
Replace high-tension
cord(s).