Problem Symptoms Table [01/2017 - ]
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 | Link |
|---|---|---|
| Engine does not crank (Does not start) | Hybrid control system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [01/2017 - ] |
| VC output circuit (ECM 5 V output) | Refer to VC Output Circuit [01/2017 - ] | |
| No initial combustion (Does not start) | ECM power source circuit | Refer to ECM Power Source Circuit [01/2017 - ] |
| VC output circuit (ECM 5 V output) | Refer to VC Output Circuit [01/2017 - ] | |
| Crankshaft position sensor | Refer to DTC P0335-2A: Crankshaft Position Sensor "A" Signal Stuck in Range; DTC P033531: Crankshaft Position Sensor "A" No Signal [01/2017 - ] | |
| Fuel pump control circuit | Refer to Fuel Pump Control Circuit [01/2017 - ] | |
| Ignition system | Refer to ON-VEHICLE INSPECTION [01/2017 - ] | |
| Fuel injector assembly (for direct injection) | Refer to INSPECTION [01/2017 - ] | |
| Fuel injector assembly (for port injection) | Refer to INSPECTION [01/2017 - ] | |
| Intake system | Refer to ON-VEHICLE INSPECTION [01/2017 - ] | |
| Valve timing | Refer to PROCEDURE - Step 7 | |
| Engine cranks normally but difficult to start | Fuel pump control circuit | Refer to Fuel Pump Control Circuit [01/2017 - ] |
| Fuel pump assembly (for high pressure side) | Refer to INSPECTION [01/2017 - ] | |
| Engine coolant temperature sensor | Refer to INSPECTION [01/2017 - ] | |
| Ignition system | Refer to ON-VEHICLE INSPECTION [01/2017 - ] | |
| Fuel injector assembly (for direct injection) | Refer to INSPECTION [01/2017 - ] | |
| Fuel injector assembly (for port injection) | Refer to INSPECTION [01/2017 - ] | |
| Compression (engine mechanical) | Refer to PROCEDURE - Step 10 [01/2017 - 04/2020] , or refer to PROCEDURE - Step 10 [04/2020 - ] | |
| ECM power source circuit | Refer to ECM Power Source Circuit [01/2017 - ] | |
| Intake system | Refer to ON-VEHICLE INSPECTION [01/2017 - ] | |
| Throttle body with motor assembly | Refer to ON-VEHICLE INSPECTION [01/2017 - ] | |
| Spark plug | Refer to PROCEDURE - Step 3 | |
| Crankshaft position sensor | Refer to DTC P0335-2A: Crankshaft Position Sensor "A" Signal Stuck in Range; DTC P033531: Crankshaft Position Sensor "A" No Signal [01/2017 - ] | |
| EGR valve assembly | Refer to INSPECTION [01/2017 - ] | |
| Incomplete intermittent combustion occurs (Does not start) | Fuel pump control circuit | Refer to Fuel Pump Control Circuit [01/2017 - ] |
| Fuel line | - | |
| Ignition system | Refer to ON-VEHICLE INSPECTION [01/2017 - ] | |
| Fuel injector assembly (for direct injection) | Refer to INSPECTION [01/2017 - ] | |
| Fuel injector assembly (for port injection) | Refer to INSPECTION [01/2017 - ] | |
| ECM power source circuit | Refer to ECM Power Source Circuit [01/2017 - ] | |
| Crankshaft position sensor | Refer to DTC P0335-2A: Crankshaft Position Sensor "A" Signal Stuck in Range; DTC P033531: Crankshaft Position Sensor "A" No Signal [01/2017 - ] | |
| Intake system | Refer to ON-VEHICLE INSPECTION [01/2017 - ] | |
| Valve timing | Refer to PROCEDURE - Step 7 | |
| EGR valve assembly | Refer to INSPECTION [01/2017 - ] | |
| High engine speed | Throttle body with motor assembly | Refer to ON-VEHICLE INSPECTION [01/2017 - ] |
| Intake system | Refer to ON-VEHICLE INSPECTION [01/2017 - ] | |
| Engine coolant temperature sensor | Refer to INSPECTION [01/2017 - ] | |
| ECM power source circuit | Refer to ECM Power Source Circuit [01/2017 - ] | |
| PCV valve and hose | Refer to COMPONENTS [01/2017 - ] | |
| Low engine speed (Poor idle) | Throttle body with motor assembly | Refer to ON-VEHICLE INSPECTION [01/2017 - ] |
| Fuel pump control circuit | Refer to Fuel Pump Control Circuit [01/2017 - ] | |
| Fuel pump assembly (for high pressure side) | Refer to INSPECTION [01/2017 - ] | |
| Intake system | Refer to ON-VEHICLE INSPECTION [01/2017 - ] | |
| PCV valve and hose | Refer to COMPONENTS [01/2017 - ] | |
| Rough idle | Rough idling | Refer to Rough Idling [01/2017 - 09/2018] , or refer to Rough Idling [09/2018 - 04/2020] , or refer to Rough Idling [04/2020 - ] |
| Compression (engine mechanical) | Refer to PROCEDURE - Step 10 [01/2017 - 04/2020] , or refer to PROCEDURE - Step 10 [04/2020 - ] | |
| Throttle body with motor assembly | Refer to ON-VEHICLE INSPECTION [01/2017 - ] | |
| Ignition system | Refer to ON-VEHICLE INSPECTION [01/2017 - ] | |
| Air fuel ratio sensor (sensor 1) | Refer to INSPECTION [01/2017 - ] | |
| Air fuel ratio sensor (sensor 2) | Refer to INSPECTION [01/2017 - ] | |
| Mass air flow meter sub-assembly | Refer to ON-VEHICLE INSPECTION [01/2017 - ] | |
| Manifold absolute pressure sensor | Refer to ON-VEHICLE INSPECTION [01/2017 - ] | |
| Fuel line | - | |
| Valve timing | Refer to PROCEDURE - Step 7 | |
| Intake system | Refer to ON-VEHICLE INSPECTION [01/2017 - ] | |
| PCV valve and hose | Refer to COMPONENTS [01/2017 - ] | |
| Fuel pump control circuit | Refer to Fuel Pump Control Circuit [01/2017 - ] | |
| Fuel injector assembly (for direct injection) | Refer to INSPECTION [01/2017 - ] | |
| Fuel injector assembly (for port injection) | Refer to INSPECTION [01/2017 - ] | |
| Fuel pump assembly (for high pressure side) | Refer to INSPECTION [01/2017 - ] | |
| EGR valve assembly | Refer to INSPECTION [01/2017 - ] | |
| Hunting (Poor idle) | PCV valve and hose | Refer to COMPONENTS [01/2017 - ] |
| Air fuel ratio sensor (sensor 1) | Refer to INSPECTION [01/2017 - ] | |
| Mass air flow meter sub-assembly | Refer to ON-VEHICLE INSPECTION [01/2017 - ] | |
| ECM power source circuit | Refer to ECM Power Source Circuit [01/2017 - ] | |
| Fuel pump control circuit | Refer to Fuel Pump Control Circuit [01/2017 - ] | |
| Throttle body with motor assembly | Refer to ON-VEHICLE INSPECTION [01/2017 - ] | |
| Ignition system | Refer to ON-VEHICLE INSPECTION [01/2017 - ] | |
| Drive start control system | Refer to Drive Start Control System [01/2017 - 09/2018] , or refer to Drive Start Control [09/2018 - ] | |
| Hesitation/Poor acceleration (Poor driveability) | Fuel line | - |
| Fuel pump control circuit | Refer to Fuel Pump Control Circuit [01/2017 - ] | |
| Fuel pump assembly (for high pressure side) | Refer to INSPECTION [01/2017 - ] | |
| Ignition system | Refer to ON-VEHICLE INSPECTION [01/2017 - ] | |
| Valve timing | Refer to PROCEDURE - Step 7 | |
| Mass air flow meter sub-assembly | Refer to ON-VEHICLE INSPECTION [01/2017 - ] | |
| Throttle body with motor assembly | Refer to ON-VEHICLE INSPECTION [01/2017 - ] | |
| Knock control sensor | Refer to INSPECTION [01/2017 - ] | |
| Brake override system | Refer to Brake Override System [01/2017 - ] | |
| Drive start control system | Refer to Drive Start Control System [01/2017 - 09/2018] , or refer to Drive Start Control [09/2018 - ] | |
| Surging (Poor driveability) | Fuel line | - |
| Fuel pump control circuit | Refer to Fuel Pump Control Circuit [01/2017 - ] | |
| Fuel pump assembly (for high pressure side) | Refer to INSPECTION [01/2017 - ] | |
| Ignition system | Refer to ON-VEHICLE INSPECTION [01/2017 - ] | |
| Fuel injector assembly (for direct injection) | Refer to INSPECTION [01/2017 - ] | |
| Fuel injector assembly (for port injection) | Refer to INSPECTION [01/2017 - ] | |
| Engine stalls soon after starting | Mass air flow meter sub-assembly | Refer to ON-VEHICLE INSPECTION [01/2017 - ] |
| Intake system | Refer to ON-VEHICLE INSPECTION [01/2017 - ] | |
| Manifold absolute pressure sensor | Refer to ON-VEHICLE INSPECTION [01/2017 - ] | |
| Fuel line | - | |
| Fuel pump control circuit | Refer to Fuel Pump Control Circuit [01/2017 - ] | |
| Throttle body with motor assembly | Refer to ON-VEHICLE INSPECTION [01/2017 - ] | |
| Ignition system | Refer to ON-VEHICLE INSPECTION [01/2017 - ] | |
| Crankshaft position sensor | Refer to DTC P0335-2A: Crankshaft Position Sensor "A" Signal Stuck in Range; DTC P033531: Crankshaft Position Sensor "A" No Signal [01/2017 - ] | |
| Valve timing | Refer to PROCEDURE - Step 7 | |
| EGR valve assembly | Refer to INSPECTION [01/2017 - ] | |
| MIL (malfunction indicator lamp) malfunction | MIL circuit | Refer to MIL Circuit [01/2017 - ] |
| Meter/gauge system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [01/2017 - ] | |
| Unable/difficult to refuel | Fuel system (canister, refueling valve, roll over valve, fuel tank, etc.) | - |