Problem Symptoms Table [12/2013 - ]
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) | Hybrid control system | Refer to PROBLEM SYMPTOMS TABLE [12/2013 - ] |
| VC output circuit (ECM 5 V output) | Refer to VC Output Circuit [12/2013 - ] | |
| No initial combustion (Does not start) | ECM power source circuit | Refer to ECM Power Source Circuit [12/2013 - ] |
| VC output circuit (ECM 5 V output) | Refer to VC Output Circuit [12/2013 - ] | |
| Crank position sensor | Refer to INSPECTION [12/2013 - ] | |
| Valve timing | Refer to PROCEDURE - Step 4 | |
| Ignition system | Refer to ON-VEHICLE INSPECTION [12/2013 - ] | |
| Fuel pump control circuit | Refer to Fuel Pump Control Circuit [12/2013 - ] | |
| Fuel injector circuit | Refer to Fuel Injector Circuit [12/2013 - ] | |
| Engine cranks normally but difficult to start | Fuel pump control circuit | Refer to Fuel Pump Control Circuit [12/2013 - ] |
| Engine coolant temperature sensor | Refer to INSPECTION [12/2013 - ] | |
| Ignition system | Refer to ON-VEHICLE INSPECTION [12/2013 - ] | |
| Compression | Refer to ON-VEHICLE INSPECTION [12/2013 - ] - Step 8 | |
| Fuel injector assembly | Refer to INSPECTION [12/2013 - ] | |
| Fuel injector circuit | Refer to Fuel Injector Circuit [12/2013 - ] | |
| Intake system | Refer to ON-VEHICLE INSPECTION [12/2013 - ] | |
| Throttle body with motor assembly | Refer to INSPECTION [12/2013 - ] | |
| PCV valve and hose | Refer to COMPONENTS [12/2013 - ] | |
| EGR valve assembly | Refer to INSPECTION [12/2013 - ] | |
| ECM power source circuit | Refer to ECM Power Source Circuit [12/2013 - ] | |
| Incomplete intermittent combustion occurs (Does not start) | Fuel pump control circuit | Refer to Fuel Pump Control Circuit [12/2013 - ] |
| Fuel pump with filter assembly | Refer to INSPECTION [12/2013 - ] | |
| Fuel line | - | |
| Ignition system | Refer to ON-VEHICLE INSPECTION [12/2013 - ] | |
| Fuel injector circuit | Refer to Fuel Injector Circuit [12/2013 - ] | |
| EGR valve assembly | Refer to INSPECTION [12/2013 - ] | |
| ECM power source circuit | Refer to ECM Power Source Circuit [12/2013 - ] | |
| Crank position sensor | Refer to INSPECTION [12/2013 - ] | |
| Cam position sensor | Refer to INSPECTION [12/2013 - ] | |
| Valve timing | Refer to PROCEDURE - Step 4 | |
| High engine speed | Throttle body with motor assembly | Refer to INSPECTION [12/2013 - ] |
| Intake system | Refer to ON-VEHICLE INSPECTION [12/2013 - ] | |
| ECM power source circuit | Refer to ECM Power Source Circuit [12/2013 - ] | |
| Engine coolant temperature sensor | Refer to INSPECTION [12/2013 - ] | |
| PCV valve and hose | Refer to COMPONENTS [12/2013 - ] | |
| Low engine speed (Poor idle) | Throttle body with motor assembly | Refer to INSPECTION [12/2013 - ] |
| Fuel pump control circuit | Refer to Fuel Pump Control Circuit [12/2013 - ] | |
| Fuel pump with filter assembly | Refer to INSPECTION [12/2013 - ] | |
| Intake system | Refer to ON-VEHICLE INSPECTION [12/2013 - ] | |
| PCV valve and hose | Refer to COMPONENTS [12/2013 - ] | |
| Rough idle | Compression | Refer to ON-VEHICLE INSPECTION [12/2013 - ] - Step 8 |
| Ignition system | Refer to ON-VEHICLE INSPECTION [12/2013 - ] | |
| Spark plug | Refer to ON-VEHICLE INSPECTION [12/2013 - ] - Step 3 | |
| Fuel injector circuit | Refer to Fuel Injector Circuit [12/2013 - ] | |
| ECM power source circuit | Refer to ECM Power Source Circuit [12/2013 - ] | |
| Fuel pump control circuit | Refer to Fuel Pump Control Circuit [12/2013 - ] | |
| Fuel pump with filter assembly | Refer to INSPECTION [12/2013 - ] | |
| Fuel line | - | |
| Throttle body with motor assembly | Refer to INSPECTION [12/2013 - ] | |
| Intake system | Refer to ON-VEHICLE INSPECTION [12/2013 - ] | |
| Purge VSV | Refer to INSPECTION [12/2013 - ] | |
| PCV valve and hose | Refer to COMPONENTS [12/2013 - ] | |
| Air fuel ratio sensor | Refer to INSPECTION [12/2013 - ] | |
| Heated oxygen sensor | Refer to INSPECTION [12/2013 - ] | |
| Mass air flow meter sub-assembly | Refer to INSPECTION [12/2013 - ] | |
| Manifold absolute pressure sensor | Refer to REMOVAL [12/2013 - ] | |
| Knock control sensor | Refer to INSPECTION [12/2013 - ] | |
| EGR valve assembly | Refer to INSPECTION [12/2013 - ] | |
| Hunting (Poor idle) | Electronic throttle control system | Refer to ON-VEHICLE INSPECTION [12/2013 - ] |
| Intake system | Refer to ON-VEHICLE INSPECTION [12/2013 - ] | |
| ECM power source circuit | Refer to ECM Power Source Circuit [12/2013 - ] | |
| Hesitation and/or poor acceleration (Poor driveability) | Fuel pump control circuit | Refer to Fuel Pump Control Circuit [12/2013 - ] |
| Spark plug | Refer to ON-VEHICLE INSPECTION [12/2013 - ] - Step 3 | |
| Ignition system | Refer to ON-VEHICLE INSPECTION [12/2013 - ] | |
| Fuel injector assembly | Refer to INSPECTION [12/2013 - ] | |
| Mass air flow meter sub-assembly | Refer to INSPECTION [12/2013 - ] | |
| Electronic throttle control system | Refer to ON-VEHICLE INSPECTION [12/2013 - ] | |
| Intake system | Refer to ON-VEHICLE INSPECTION [12/2013 - ] | |
| Compression | Refer to ON-VEHICLE INSPECTION [12/2013 - ] - Step 8 | |
| Brake override system | Refer to Brake Override System [12/2013 - ] | |
| Surging (Poor driveability) | Spark plug | Refer to ON-VEHICLE INSPECTION [12/2013 - ] - Step 3 |
| Fuel pump control circuit | Refer to Fuel Pump Control Circuit [12/2013 - ] | |
| Ignition system | Refer to ON-VEHICLE INSPECTION [12/2013 - ] | |
| Fuel injector assembly | Refer to INSPECTION [12/2013 - ] | |
| Mass air flow meter sub-assembly | Refer to INSPECTION [12/2013 - ] | |
| Variable Valve Timing (VVT) system | Refer to DTC P0016: Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A) [12/2013 - ] | |
| Compression | Refer to ON-VEHICLE INSPECTION [12/2013 - ] - Step 8 | |
| Engine stalls soon after starting | Fuel pump control circuit | Refer to Fuel Pump Control Circuit [12/2013 - ] |
| Spark plug | Refer to ON-VEHICLE INSPECTION [12/2013 - ] - Step 3 | |
| Ignition system | Refer to ON-VEHICLE INSPECTION [12/2013 - ] | |
| Fuel injector assembly | Refer to INSPECTION [12/2013 - ] | |
| Variable Valve Timing (VVT) system | Refer to DTC P0016: Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A) [12/2013 - ] | |
| Electronic throttle control system | Refer to ON-VEHICLE INSPECTION [12/2013 - ] | |
| Intake system | Refer to ON-VEHICLE INSPECTION [12/2013 - ] | |
| Manifold absolute pressure sensor | Refer to REMOVAL [12/2013 - ] | |
| PCV valve and hose | Refer to COMPONENTS [12/2013 - ] | |
| Compression | Refer to ON-VEHICLE INSPECTION [12/2013 - ] - Step 8 | |
| EGR valve assembly | Refer to INSPECTION [12/2013 - ] | |
| Unable/difficult to refuel | Fuel system (canister, refueling valve, roll over valve, fuel tank, etc.) | - |