Problem Symptoms Table [05/2013 - ]
HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, 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.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
SFI SYSTEM
| Symptom | Suspected Area | See |
|---|---|---|
| Engine does not crank (Does not start) | Battery | Refer to ON-VEHICLE INSPECTION [03/2012 - ] |
| Starter | Refer to INSPECTION [03/2012 - ] - Step 1 | |
| Smart key system (for start function)*1 | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [05/2013 - ] | |
| Park/neutral position switch assembly*2 | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Clutch start switch assembly*3 | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Starter signal circuit | Refer to Starter Signal Circuit | |
| No initial combustion (Does not start) | ECM power source circuit | Refer to ECM Power Source Circuit |
| Crankshaft position sensor | Refer to INSPECTION [03/2012 - ] | |
| Ignition system | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Fuel pump control circuit | Refer to Fuel Pump Control Circuit | |
| Fuel pump | Refer to INSPECTION [03/2012 - ] | |
| Fuel injector circuit | Refer to Fuel Injector Circuit | |
| Valve timing | Refer to PROCEDURE - Step 4 | |
| VC output circuit (ECM 5 V output) | Refer to VC Output Circuit | |
| VVT sensor (for intake side) | Refer to PROCEDURE - Step 1 | |
| VVT sensor (for exhaust side) | Refer to PROCEDURE - Step 1 | |
| Starter signal circuit | Refer to Starter Signal Circuit | |
| Engine immobilizer system*1 | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [05/2013 - ] | |
| Engine immobilizer system*4 | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [03/2012 - ] | |
| ECM | Refer to REMOVAL [05/2013 - ] | |
| Engine cranks normally but difficult to start | Fuel pump control circuit | Refer to Fuel Pump Control Circuit |
| Fuel pump (for high pressure) | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Fuel injector circuit | Refer to Fuel Injector Circuit | |
| Fuel injector assembly (for port injection) | Refer to INSPECTION [03/2012 - ] | |
| Fuel injector assembly (for direct injection) | Refer to INSPECTION [03/2012 - ] | |
| ECM power source circuit | Refer to ECM Power Source Circuit | |
| Starter signal circuit | Refer to Starter Signal Circuit | |
| Engine coolant temperature sensor | Refer to INSPECTION [03/2012 - ] | |
| Intake system | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Ignition system | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Spark plug | Refer to ON-VEHICLE INSPECTION [03/2012 - ] - Step 3 | |
| Throttle with motor body assembly | Refer to INSPECTION [03/2012 - ] | |
| Compression | Refer to ON-VEHICLE INSPECTION [03/2012 - ] - Step 9 | |
| Incomplete intermittent combustion occurs (Does not start) | Fuel pump control circuit | Refer to Fuel Pump Control Circuit |
| Fuel line | Refer to ON-VEHICLE INSPECTION [03/2012 - ] - Step 1 | |
| Ignition circuit | Refer to PROCEDURE - Step 2 | |
| Ignition system | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Fuel injector circuit | Refer to Fuel Injector Circuit | |
| Fuel injector assembly (for port injection) | Refer to INSPECTION [03/2012 - ] | |
| Fuel injector assembly (for direct injection) | Refer to INSPECTION [03/2012 - ] | |
| ECM power source circuit | Refer to ECM Power Source Circuit | |
| Starter signal circuit | Refer to Starter Signal Circuit | |
| Crankshaft position sensor | Refer to INSPECTION [03/2012 - ] | |
| VVT sensor (for intake side) | Refer to PROCEDURE - Step 1 | |
| VVT sensor (for exhaust side) | Refer to PROCEDURE - Step 1 | |
| Valve timing | Refer to PROCEDURE - Step 4 | |
| High engine idle speed | Throttle with motor body assembly | Refer to INSPECTION [03/2012 - ] |
| Intake system | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| A/C signal circuit*5 | Refer to TERMINALS OF ECU [03/2012 - ] | |
| A/C signal circuit*6 | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [05/2013 - ] | |
| ECM power source circuit | Refer to ECM Power Source Circuit | |
| Engine coolant temperature sensor | Refer to INSPECTION [03/2012 - ] | |
| PCV valve and hose | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Low engine idle speed (Poor idling) | Throttle with motor body assembly | Refer to INSPECTION [03/2012 - ] |
| A/C signal circuit*5 | Refer to TERMINALS OF ECU [03/2012 - ] | |
| A/C signal circuit*6 | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [05/2013 - ] | |
| Fuel pump control circuit | Refer to Fuel Pump Control Circuit | |
| Fuel pump | Refer to INSPECTION [03/2012 - ] | |
| Intake system | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| PCV valve and hose | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Rough idling | Compression | Refer to ON-VEHICLE INSPECTION [03/2012 - ] - Step 9 |
| Ignition system | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Spark plug | Refer to ON-VEHICLE INSPECTION [03/2012 - ] - Step 3 | |
| Fuel injector circuit | Refer to Fuel Injector Circuit | |
| ECM power source circuit | Refer to ECM Power Source Circuit | |
| Fuel pump control circuit | Refer to Fuel Pump Control Circuit | |
| Fuel injector assembly (for port injection) | Refer to INSPECTION [03/2012 - ] | |
| Fuel injector assembly (for direct injection) | Refer to INSPECTION [03/2012 - ] | |
| Fuel pump (for high pressure) | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Fuel line | Refer to ON-VEHICLE INSPECTION [03/2012 - ] - Step 1 | |
| Throttle with motor body assembly | Refer to INSPECTION [03/2012 - ] | |
| Intake system | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Purge valve | Refer to INSPECTION [03/2012 - ] | |
| PCV valve and hose | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Air fuel ratio sensor | Refer to INSPECTION [03/2012 - ] | |
| Heated oxygen sensor | Refer to INSPECTION [03/2012 - ] | |
| Mass air flow meter | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Knock sensor | Refer to INSPECTION [03/2012 - ] | |
| Hunting (Poor idling) | Throttle with motor body assembly | Refer to INSPECTION [03/2012 - ] |
| Intake system | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| PCV valve and hose | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Air fuel ratio sensor | Refer to INSPECTION [03/2012 - ] | |
| Mass air flow meter | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Hesitation/poor acceleration | Fuel pump control circuit | Refer to Fuel Pump Control Circuit |
| Fuel pump (for high pressure) | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Fuel line | Refer to ON-VEHICLE INSPECTION [03/2012 - ] - Step 1 | |
| Spark plug | Refer to ON-VEHICLE INSPECTION [03/2012 - ] - Step 3 | |
| Ignition system | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Fuel injector circuit | Refer to Fuel Injector Circuit | |
| Fuel injector assembly (for port injection) | Refer to INSPECTION [03/2012 - ] | |
| Fuel injector assembly (for direct injection) | Refer to INSPECTION [03/2012 - ] | |
| ECM power source circuit | Refer to ECM Power Source Circuit | |
| Knock sensor | Refer to INSPECTION [03/2012 - ] | |
| Mass air flow meter | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Throttle with motor body assembly | Refer to INSPECTION [03/2012 - ] | |
| Intake system | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Valve timing | Refer to PROCEDURE - Step 4 | |
| Compression | Refer to ON-VEHICLE INSPECTION [03/2012 - ] - Step 9 | |
| Brake override system | Refer to Brake Override System | |
| Surging (Poor driveability) | Spark plug | Refer to ON-VEHICLE INSPECTION [03/2012 - ] - Step 3 |
| Fuel pump control circuit | Refer to Fuel Pump Control Circuit | |
| Fuel pump (for high pressure) | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Ignition system | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Fuel injector circuit | Refer to Fuel Injector Circuit | |
| Fuel injector assembly (for port injection) | Refer to INSPECTION [03/2012 - ] | |
| Fuel injector assembly (for direct injection) | Refer to INSPECTION [03/2012 - ] | |
| ECM power source circuit | Refer to ECM Power Source Circuit | |
| Mass air flow meter | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Variable Valve Timing (VVT) system | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Compression | Refer to ON-VEHICLE INSPECTION [03/2012 - ] - Step 9 | |
| Engine stalls soon after starting | Fuel pump control circuit | Refer to Fuel Pump Control Circuit |
| Fuel pump (for high pressure) | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Spark plug | Refer to ON-VEHICLE INSPECTION [03/2012 - ] - Step 3 | |
| Ignition system | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Fuel injector circuit | Refer to Fuel Injector Circuit | |
| Fuel injector assembly (for port injection) | Refer to INSPECTION [03/2012 - ] | |
| Fuel injector assembly (for direct injection) | Refer to INSPECTION [03/2012 - ] | |
| ECM power source circuit | Refer to ECM Power Source Circuit | |
| Mass air flow meter | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Variable Valve Timing (VVT) system | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Throttle with motor body assembly | Refer to INSPECTION [03/2012 - ] | |
| Engine immobilizer system*1 | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [05/2013 - ] | |
| Engine immobilizer system*4 | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [03/2012 - ] | |
| Intake system | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| PCV valve and hose | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Compression | Refer to ON-VEHICLE INSPECTION [03/2012 - ] - Step 9 | |
| Engine stalls only during A/C operation | A/C signal circuit*5 | Refer to TERMINALS OF ECU [03/2012 - ] |
| A/C signal circuit*6 | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [05/2013 - ] | |
| ECM | Refer to REMOVAL [05/2013 - ] | |
| Unable/difficult to refuel | Fuel system (canister, refueling valve, fuel tank vent valve, fuel tank, etc.) | - |
- *1: w/ Smart Key System
- *2: for Automatic Transmission
- *3: for Manual Transmission
- *4: w/o Smart Key System
- *5: for Manual Air Conditioning System
- *6: for Automatic Air Conditioning System