SFI SYSTEM > PROBLEM SYMPTOMS TABLE |
| Symptom | Suspected Area | See page |
| Engine does not crank (Does not start) | Battery | - |
| Starter (for 0.8 kW type) |
Click here
| |
| Starter (for 1.0 kW type) |
Click here
| |
| Cranking holding function circuit (w/ Entry and Start System) |
Click here
| |
| Starter signal circuit |
Click here
| |
| Starter relay |
Click here
| |
| Clutch start switch assembly |
Click here
| |
| Park/neutral position switch assembly |
Click here
| |
| No initial combustion (Does not start) | ECM power source circuit |
Click here
|
| VC output circuit |
Click here
| |
| Crankshaft position sensor |
Click here
| |
| Fuel pump control circuit |
Click here
| |
| Ignition system |
Click here
| |
| Fuel injector circuit |
Click here
| |
| Valve timing |
Click here
| |
| Camshaft position sensor |
Click here
| |
| ECM |
Click here
| |
| Immobiliser system (w/ Entry and Start System) |
Click here
| |
| Immobiliser system (w/o Entry and Start System) |
Click here
| |
| Engine cranks normally but difficult to start | Fuel pump control circuit |
Click here
|
| Fuel pump |
Click here
| |
| EGR |
Click here
| |
| Engine coolant temperature sensor |
Click here
| |
| Ignition system |
Click here
| |
| Compression |
Click here
| |
| Fuel injector assembly |
Click here
| |
| Fuel injector circuit |
Click here
| |
| Air induction system |
Click here
| |
| Throttle body assembly |
Click here
| |
| Incomplete intermittent combustion occurs (Does not start) | Fuel pump control circuit |
Click here
|
| Fuel pump |
Click here
| |
| Ignition circuit |
Click here
| |
| Ignition system |
Click here
| |
| Fuel injector assembly |
Click here
| |
| Crankshaft position sensor |
Click here
| |
| Valve timing |
Click here
| |
| Camshaft position sensor |
Click here
| |
| High engine speed (Poor idle) | A/C signal circuit | - |
| Throttle body assembly |
Click here
| |
| Engine coolant temperature sensor |
Click here
| |
| PCV valve and hose |
Click here
| |
| ECM power source circuit |
Click here
| |
| Low engine speed (Poor idle) | Fuel pump control circuit |
Click here
|
| Fuel pump |
Click here
| |
| Throttle body assembly |
Click here
| |
| Air induction system |
Click here
| |
| PCV valve and hose |
Click here
| |
| Engine stalls on deceleration | Idle speed (refer to "Low engine speed" symptom) | - |
| Rough idle | Compression |
Click here
|
| Air fuel ratio sensor |
Click here
| |
| Heated oxygen sensor (Sensor 1) |
Click here
| |
| Manifold absolute pressure sensor |
Click here
| |
| Spark plug |
Click here
| |
| Ignition system |
Click here
| |
| A/C signal circuit | - | |
| Fuel pump control circuit |
Click here
| |
| Fuel pump |
Click here
| |
| Air induction system |
Click here
| |
| PCV valve and hose |
Click here
| |
| Active control engine mount system |
Click here
| |
| Hunting (Poor idling) | Throttle body assembly |
Click here
|
| PCV valve and hose |
Click here
| |
| Manifold absolute pressure sensor |
Click here
| |
| Air fuel ratio sensor |
Click here
| |
| Engine stalls during A/C operation | A/C signal circuit (Compressor circuit) | - |
| ECM |
Click here
| |
| Hesitation/Poor acceleration (Poor driveability) | Fuel pump control circuit |
Click here
|
| Fuel pump |
Click here
| |
| Valve timing |
Click here
| |
| Manifold absolute pressure sensor |
Click here
| |
| Throttle body assembly |
Click here
| |
| Spark plug |
Click here
| |
| Ignition system |
Click here
| |
| Fuel injector assembly |
Click here
| |
| Air induction system |
Click here
| |
| Compression |
Click here
| |
| Surging (Poor driveability) | Fuel pump control circuit |
Click here
|
| Fuel pump |
Click here
| |
| Ignition system |
Click here
| |
| Fuel injector assembly |
Click here
| |
| Spark plug |
Click here
| |
| Manifold absolute pressure sensor |
Click here
| |
| Variable valve timing system |
Click here
| |
| Compression |
Click here
| |
| Engine stalls soon after starting | Manifold absolute pressure sensor |
Click here
|
| Air induction system |
Click here
| |
| Fuel pump control circuit |
Click here
| |
| Fuel pump |
Click here
| |
| Spark plug |
Click here
| |
| Ignition system |
Click here
| |
| Fuel injector assembly |
Click here
| |
| Variable valve timing system |
Click here
| |
| Throttle body assembly |
Click here
| |
| PCV valve and hose |
Click here
| |
| Compression |
Click here
|