Suzuki 2006 SX4, Service Manual

Page: 92 / 1478

1A-48 Engine General Information and Diagnosis:
5 Is engine cranked? Go to Step 6. Go to “Cranking System
Symptom Diagnosis in
Section 1I”.
6 Does engine start? Go to Step 7. Go to Step 9.
7 Check idle speed
1) Check engine idle speed referring to “Idle Speed and
IAC Throttle Valve Opening Inspection”.
Is check result as specified?
Go to Step 8. Go to “Engine Symptom
Diagnosis”.
8 Check ignition timing
1) Check ignition timing referring to “Ignition Timing
Inspection in Section 1H”.
Is check result as specified?
Go to “Engine Symptom
Diagnosis”. Check ignition control
related parts referring to
“Ignition Timing
Inspection in Section
1H”.
9 Check immobilizer system for operation
1) Check immobilizer control system referring to
“Immobilizer Control System Check in Section 10C”.
Is it in good condition?
Go to Step 10. Immobilizer control
system malfunction.
10 Check fuel supply
1) Check to make sure that enough fuel is filled in fuel tank.
2) Turn ON ignition switch for 2 sec. and then OFF.
3) Repeat Step 2) a few times.
Is fuel pressure felt from fuel feed hose when ignition switch
is turned ON?
Go to Step 12. Go to Step 11.
11 Check fuel pump for operation
Was fuel pump operating sound heard from fuel filler for
about 2 sec. after ignition switch ON and stop?
Go to “Fuel Pressure
Check”. Go to “Fuel Pump and
Its Circuit Check”.
12 Check ignition spark
1) Check ignition spark referring to “Ignition Spark Test in
Section 1H”.
Is it in good condition?
Go to Step 13. Go to “Ignition System
Symptom Diagnosis in
Section 1H”.
13 Check fuel injector circuit
1) Check fuel injector circuit referring to “Fuel Injector
Circuit Check”.
Is it in good condition?
Go to “Engine Symptom
Diagnosis”. Go to “Fuel Injector
Inspection in Section
1G”.
Step Action Yes No
I5RW0A110014-01