Suzuki 2006 SX4, Service Manual

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Engine General Information and Diagnosis: 1A-53
Engine has no power Faulty spark plug “Spark Plug Inspection in Section 1H”
Faulty ignition coil with ignitor “Ignition Coil Assembly (Including ignitor)
Inspection in Section 1H”
Faulty knock sensor “DTC P0327 / P0328: Knock Sensor Circuit
Low / High”
Clogged fuel hose or pipe “Fuel Pressure Check”
Malfunctioning fuel pump “Fuel Pump and Its Circuit Check”
Air drawn in through intake manifold
gasket or throttle body gasket Check air intake system.
Engine overheating Condition “Engine overheating”
Poor performance of ECT sensor or
MAF sensor “Engine Coolant Temperature (ECT) Sensor
Inspection in Section 1C” or “Mass Air Flow
(MAF) and Intake Air Temperature (IAT)
Sensor Inspection in Section 1C”
Faulty electric throttle body assembly “Electric Throttle Body Assembly On-Vehicle
Inspection in Section 1C”
Faulty APP sensor assembly “Accelerator Pedal Position (APP) Sensor
Assembly Inspection in Section 1C”
Faulty fuel injector(s) “Fuel Injector Circuit Check”
Faulty ECM “Inspection of ECM and Its Circuits”
Dragging brakes “Brakes Symptom Diagnosis in Section 4A”
Slipping clutch (M/T model) “Clutch System Symptom Diagnosis in Section
5C”
Low compression “Compression Check in Section 1D”
Faulty IMT valve actuator “IMT Valve Actuator Inspection in Section 1C”
Improper engine idling or
engine fails to idle Faulty spark plug “Spark Plug Inspection in Section 1H”
Faulty ignition coil with ignitor “Ignition Coil Assembly (Including ignitor)
Inspection in Section 1H”
Fuel pressure out of specification “Fuel Pressure Check”
Leaky manifold, throttle body, or cylinder
head gasket Check air intake system.
Faulty evaporative emission control
system “EVAP Canister Purge Inspection in Section
1B”
Faulty fuel injector(s) “Fuel Injector Circuit Check”
Poor performance of ECT sensor or
MAF sensor “Engine Coolant Temperature (ECT) Sensor
Inspection in Section 1C” or “Mass Air Flow
(MAF) and Intake Air Temperature (IAT)
Sensor Inspection in Section 1C”
Faulty electric throttle body assembly “Electric Throttle Body Assembly On-Vehicle
Inspection in Section 1C”
Faulty APP sensor assembly “Accelerator Pedal Position (APP) Sensor
Assembly Inspection in Section 1C”
Faulty ECM “Inspection of ECM and Its Circuits”
Loose connection or disconnection of
vacuum hoses Check connection or disconnection of vacuum.
Malfunctioning PCV valve “PCV Valve Inspection in Section 1B”
Engine overheating Condition “Engine overheating”
Low compression “Compression Check in Section 1D”
Faulty electric load parts (headlight,
blower motor and/or rear defogger) “Electric Load Signal Circuit Check”
Faulty generator and/or its circuit “Generator Test (Undercharged Battery
Check) in Section 1J”
Faulty idle air flow malfunction “Idle Speed and IAC Throttle Valve Opening
Inspection”
Condition Possible cause Correction / Reference Item