Use the table below to help determine the cause of the problem symptom. The potential cases of the symptoms are listed in order of probability in the "Suspected area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
| Symptom | Suspected Area | See page |
|---|---|---|
| Engine does not crank (does not start) | Immobilizer system (w/ Smart Entry and Start System) | |
| Immobilizer system (w/o Smart Entry and Start System) | ||
| Starter | ||
| Starter relay | ||
| Starter signal circuit | ||
| Cranking holding function circuit | ||
| No initial combustion (does not start) | ECM power source circuit | |
| Ignition system | ||
| Fuel pump control circuit | ||
| Fuel injector | ||
| Crankshaft position sensor | ||
| ECM | - | |
| Difficult to start (engine cranks normally) | Electronic throttle control system | |
| Fuel pump control circuit | ||
| Ignition system | ||
| Spark plug | ||
| Compression | ||
| Fuel injector | ||
| Crankshaft position sensor | ||
| Difficult to start with cold engine | Starter signal circuit | |
| Electronic throttle control system | ||
| Fuel pump control circuit | ||
| Spark plug | ||
| Ignition system | ||
| Fuel injector | ||
| Engine coolant temperature sensor | ||
| Difficult to start with hot engine | Starter signal circuit | |
| Fuel pump control circuit | ||
| Spark plug | ||
| Ignition system | ||
| Fuel injector | ||
| Engine coolant temperature sensor | ||
| High engine idling speed (poor idling) | Electronic throttle control system | |
| ECM power source circuit | ||
| Air conditioning signal circuit (Compressor circuit) | - | |
| Acoustic control induction system | ||
| PCV hose | - | |
| ECM | - | |
| Low engine idling speed (poor idling) | Electronic throttle control system | |
| ECM power source circuit | ||
| Air conditioning signal circuit (Compressor circuit) | - | |
| Acoustic control induction system | ||
| PCV hose | - | |
| Fuel injector | ||
| ECM | - | |
| Rough idling (poor idling) | Electronic throttle control system | |
| Fuel injector | ||
| Ignition system | ||
| Compression | ||
| Fuel pump control circuit | ||
| Spark plug | ||
| Acoustic control induction system | ||
| PCV hose | - | |
| Hunting (poor idling) | Electronic throttle control system | |
| ECM power source circuit | ||
| Fuel pump control circuit | ||
| Spark plug | ||
| Ignition system | ||
| Fuel injector | ||
| Acoustic control induction system | ||
| PCV hose | - | |
| Hesitation/Poor acceleration (poor driveability) | Fuel injector | |
| Fuel pump control circuit | ||
| Ignition system | ||
| Spark plug | ||
| Air intake control system | ||
| Automatic transaxle faulty | ||
| Surging (poor driveability) | Fuel pump control circuit | |
| Spark plug | ||
| Ignition system | ||
| Fuel injector | ||
| Engine stalls soon after starting | Fuel pump control circuit | |
| Electronic throttle control system | ||
| Crankshaft position sensor | ||
| Spark plug | ||
| Ignition system | ||
| Fuel injector | ||
| Engine stalls during A/C operation | Air conditioning signal circuit (Compressor circuit) | - |
| ECM | - | |
| Unable/difficult to refuel | Refueling valve (canister) | - |
| Engine vibrates frequently when idling (Active Control) | Active control engine mount circuit |