Problem Symptoms Table
HINT:
Use the table below to help determine the cause of the problem. The potential causes 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.
SFI SYSTEM
| Symptom | Suspected Area | See |
|---|---|---|
| Engine does not crank (Does not start) | Smart access system with push-button start | Refer toEngine does not Start |
| Immobiliser system | Refer toHOW TO PROCEED WITH TROUBLESHOOTING | |
| ECM power source circuit | Refer toECM Power Source Circuit | |
| VC output circuit | Refer toVC Output Circuit | |
| Cranking holding function circuit | Refer toCranking Holding Function Circuit | |
| Starter (for 2.0 kW Type) | Refer toINSPECTION | |
| No initial combustion (Does not start) | ECM power source circuit | Refer toECM Power Source Circuit |
| Fuel pump control circuit | Refer toFuel Pump Control Circuit | |
| ECM | Refer toTERMINALS OF ECM | |
| Engine cranks normally but difficult to start | Fuel pump control circuit | Refer toFuel Pump Control Circuit |
| Fuel pump for high pressure | Refer toON-VEHICLE INSPECTION | |
| Compression | Refer toON-VEHICLE INSPECTION - Step 6 | |
| Difficult to start with cold engine | Cranking holding function circuit | Refer toCranking Holding Function Circuit |
| Ignition system | Refer toON-VEHICLE INSPECTION | |
| Spark plug | Refer toON-VEHICLE INSPECTION - Step 2 | |
| Fuel pump control circuit | Refer toFuel Pump Control Circuit | |
| Fuel pump for high pressure | Refer toON-VEHICLE INSPECTION | |
| Fuel injector for direct injection | Refer toINSPECTION | |
| Fuel injector for port injection | Refer toINSPECTION | |
| Difficult to start with warm engine | Cranking holding function circuit | Refer toCranking Holding Function Circuit |
| Fuel injector for port injection | Refer toINSPECTION | |
| Fuel injector for direct injection | Refer toINSPECTION | |
| Ignition system | Refer toON-VEHICLE INSPECTION | |
| Spark plug | Refer toON-VEHICLE INSPECTION - Step 2 | |
| Fuel pump control circuit | Refer toFuel Pump Control Circuit | |
| Fuel pump for high pressure | Refer toON-VEHICLE INSPECTION | |
| High engine idle speed (Poor idling) | ECM power source circuit | Refer toECM Power Source Circuit |
| A/C signal circuit (compressor circuit) | Refer toHOW TO PROCEED WITH TROUBLESHOOTING | |
| Electronic throttle control system | Refer toON-VEHICLE INSPECTION | |
| Air induction system | Refer toON-VEHICLE INSPECTION | |
| Ventilation hose | Refer toON-VEHICLE INSPECTION | |
| Low engine idle speed (Poor idling) | A/C signal circuit (compressor circuit) | Refer toHOW TO PROCEED WITH TROUBLESHOOTING |
| Fuel pump control circuit | Refer toFuel Pump Control Circuit | |
| Fuel pump for high pressure | Refer toON-VEHICLE INSPECTION | |
| Electronic throttle control system | Refer toON-VEHICLE INSPECTION | |
| Air induction system | Refer toON-VEHICLE INSPECTION | |
| Ventilation hose | Refer toON-VEHICLE INSPECTION | |
| Rough idling (Poor idling) | Compression | Refer toON-VEHICLE INSPECTION - Step 6 |
| Fuel pump control circuit | Refer toFuel Pump Control Circuit | |
| Fuel pump for high pressure | Refer toON-VEHICLE INSPECTION | |
| Electronic throttle control system | Refer toON-VEHICLE INSPECTION | |
| Air induction system | Refer toON-VEHICLE INSPECTION | |
| Ventilation hose | Refer toON-VEHICLE INSPECTION | |
| Hunting (Poor idling) | ECM power source circuit | Refer toECM Power Source Circuit |
| Fuel pump control circuit | Refer toFuel Pump Control Circuit | |
| Fuel pump for high pressure | Refer toON-VEHICLE INSPECTION | |
| Spark plug | Refer toON-VEHICLE INSPECTION - Step 2 | |
| Ignition system | Refer toON-VEHICLE INSPECTION | |
| Fuel injector for port injection | Refer toINSPECTION | |
| Fuel injector for direct injection | Refer toINSPECTION | |
| Electronic throttle control system | Refer toON-VEHICLE INSPECTION | |
| Air induction system | Refer toON-VEHICLE INSPECTION | |
| Ventilation hose | Refer toON-VEHICLE INSPECTION | |
| Hesitation/Poor acceleration (Poor driveability) | Fuel pump control circuit | Refer toFuel Pump Control Circuit |
| Fuel pump for high pressure | Refer toON-VEHICLE INSPECTION | |
| Spark plug | Refer toON-VEHICLE INSPECTION - Step 2 | |
| Ignition system | Refer toON-VEHICLE INSPECTION | |
| Fuel injector for port injection | Refer toINSPECTION | |
| Fuel injector for direct injection | Refer toINSPECTION | |
| Surging (Poor driveability) | Spark plug | Refer toON-VEHICLE INSPECTION - Step 2 |
| Fuel pump control circuit | Refer toFuel Pump Control Circuit | |
| Fuel pump for high pressure | Refer toON-VEHICLE INSPECTION | |
| Ignition system | Refer toON-VEHICLE INSPECTION | |
| Fuel injector for port injection | Refer toINSPECTION | |
| Fuel injector for direct injection | Refer toINSPECTION | |
| Engine stalls soon after starting | Fuel pump control circuit | Refer toFuel Pump Control Circuit |
| Fuel pump for high pressure | Refer toON-VEHICLE INSPECTION | |
| Spark plug | Refer toON-VEHICLE INSPECTION - Step 2 | |
| Ignition system | Refer toON-VEHICLE INSPECTION | |
| Fuel injector for port injection | Refer toINSPECTION | |
| Fuel injector for direct injection | Refer toINSPECTION | |
| Engine stalls during A/C operation | A/C signal circuit (compressor circuit) | Refer toHOW TO PROCEED WITH TROUBLESHOOTING |
| ECM | Refer toTERMINALS OF ECM | |
| Unable/difficult to refuel | Refueling valve (canister) | - |