Problem Symptoms Table [08/2019 - ]
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 | Refer To |
|---|---|---|
| Engine does not crank (Does not start) | Battery | Refer to PROCEDURE - Step 1 |
| Starter Assembly | Refer to PROCEDURE - Step 1 | |
| Smart Access System with Push-button Start (for Start Function) | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2019 - 08/2022] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2022 - ] | |
| Starter Relay | Refer to PROCEDURE - Step 1 | |
| Park/neutral Position Switch Assembly | Refer to PROCEDURE - Step 1 | |
| VC Output Circuit | Refer to VC Output Circuit [08/2019 - 08/2022] , or refer to VC Output Circuit [08/2022 - ] | |
| No initial combustion (Does not start) | ECM Power Source Circuit | Refer to ECM Power Source Circuit [08/2019 - ] |
| Crankshaft Position Sensor | Refer to DTC P0335: Crankshaft Position Sensor "A" Circuit; DTC P0337: Crankshaft Position Sensor "A" Circuit Low Input; DTC P0338: Crankshaft Position Sensor "A" Circuit High Input; DTC P0339: Crankshaft Position Sensor "A" Circuit Intermittent [08/2017 - ] | |
| Camshaft Position Sensor | Refer to DTC P1340: Camshaft Position Sensor "A" (Bank 1 Sensor 2); DTC P1342: Camshaft Position Sensor "A" Low Input (MRE); DTC P1343: Camshaft Position Sensor "A" High Input (MRE) [08/2015 - ] | |
| Ignition System | Refer to PROCEDURE - Step 1 | |
| Fuel Pump Control Circuit | Refer to Fuel Pump Control Circuit [08/2019 - ] | |
| Fuel Injector Circuit | Refer to Fuel Injector Circuit [08/2019 - ] | |
| ECM | Refer to TERMINALS OF ECM [08/2019 - ] | |
| VC Output Circuit | Refer to VC Output Circuit [08/2019 - 08/2022] , or refer to VC Output Circuit [08/2022 - ] | |
| Starter Signal Circuit | Refer to Starter Signal Circuit [08/2019 - ] | |
| Immobiliser System | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2019 - 08/2022] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2022 - ] | |
| Engine cranks normally but difficult to start | Fuel Pump Control Circuit | Refer to Fuel Pump Control Circuit [08/2019 - ] |
| EGR Valve Assembly | Refer to PROCEDURE - Step 1 | |
| Engine Coolant Temperature Sensor | Refer to PROCEDURE - Step 1 | |
| Ignition System | Refer to PROCEDURE - Step 1 | |
| Compression | Refer to ON-VEHICLE INSPECTION [08/2019 - ] | |
| Fuel Injector Assembly | Refer to PROCEDURE - Step 1 | |
| Fuel Injector Circuit | Refer to Fuel Injector Circuit [08/2019 - ] | |
| Intake System | Refer to PROCEDURE - Step 3 | |
| Throttle Body Assembly | Refer to PROCEDURE - Step 1 | |
| PCV Hose | Refer to PROCEDURE - Step 3 [08/2015 - 08/2022] , or refer to PROCEDURE - Step 3 [08/2022 - ] | |
| Starter Signal Circuit | Refer to Starter Signal Circuit [08/2019 - ] | |
| ECM Power Source Circuit | Refer to ECM Power Source Circuit [08/2019 - ] | |
| Difficult to start with cold engine | Ignition System | Refer to PROCEDURE - Step 1 |
| Spark Plug | Refer to PROCEDURE - Step 3 | |
| Fuel Pump Control Circuit | Refer to Fuel Pump Control Circuit [08/2019 - ] | |
| Fuel Injector Assembly | Refer to PROCEDURE - Step 1 | |
| Starter Signal Circuit | Refer to Starter Signal Circuit [08/2019 - ] | |
| Difficult to start with warm engine | Fuel Injector Assembly | Refer to PROCEDURE - Step 1 |
| Ignition System | Refer to PROCEDURE - Step 1 | |
| Spark Plug | Refer to PROCEDURE - Step 3 | |
| Fuel Pump Control Circuit | Refer to Fuel Pump Control Circuit [08/2019 - ] | |
| Starter Signal Circuit | Refer to Starter Signal Circuit [08/2019 - ] | |
| High engine idle speed | Electronic Throttle Control System | Refer to PROCEDURE - Step 1 |
| A/C Signal Circuit | Refer to TERMINALS OF ECU [08/2019 - 08/2021] , or refer to TERMINALS OF ECU [08/2021 - ] | |
| ECM Power Source Circuit | Refer to ECM Power Source Circuit [08/2019 - ] | |
| Acoustic Control Induction System (ACIS) | Refer to ACIS Control Circuit [08/2015 - ] | |
| Low engine idle speed (Poor idling) | Electronic Throttle Control System | Refer to PROCEDURE - Step 1 |
| A/C Signal Circuit | Refer to TERMINALS OF ECU [08/2019 - 08/2021] , or refer to TERMINALS OF ECU [08/2021 - ] | |
| Fuel Pump Control Circuit | Refer to Fuel Pump Control Circuit [08/2019 - ] | |
| Intake System | Refer to PROCEDURE - Step 3 | |
| Acoustic Control Induction System (ACIS) | Refer to ACIS Control Circuit [08/2015 - ] | |
| PCV Hose | Refer to PROCEDURE - Step 3 [08/2015 - 08/2022] , or refer to PROCEDURE - Step 3 [08/2022 - ] | |
| Rough idling | Compression | Refer to ON-VEHICLE INSPECTION [08/2019 - ] |
| Spark Plug | Refer to PROCEDURE - Step 3 | |
| Fuel Injector Assembly | Refer to PROCEDURE - Step 1 | |
| Ignition System | Refer to PROCEDURE - Step 1 | |
| Fuel Pump Control Circuit | Refer to Fuel Pump Control Circuit [08/2019 - ] | |
| Electronic Throttle Control System | Refer to PROCEDURE - Step 1 | |
| Intake System | Refer to PROCEDURE - Step 3 | |
| Acoustic Control Induction System (ACIS) | Refer to ACIS Control Circuit [08/2015 - ] | |
| PCV Hose | Refer to PROCEDURE - Step 3 [08/2015 - 08/2022] , or refer to PROCEDURE - Step 3 [08/2022 - ] | |
| Mass Air Flow Meter | Refer to PROCEDURE - Step 1 | |
| EGR Valve Assembly | Refer to PROCEDURE - Step 1 | |
| Hunting (Poor idling) | Electronic Throttle Control System | Refer to PROCEDURE - Step 1 |
| Intake System | Refer to PROCEDURE - Step 3 | |
| ECM Power Source Circuit | Refer to ECM Power Source Circuit [08/2019 - ] | |
| Acoustic Control Induction System (ACIS) | Refer to ACIS Control Circuit [08/2015 - ] | |
| Drive start control | Refer to Drive Start Control [08/2019 - 08/2021] , or refer to Drive Start Control [08/2021 - ] | |
| Hesitation and/or poor acceleration | Fuel Pump Control Circuit | Refer to Fuel Pump Control Circuit [08/2019 - ] |
| Spark Plug | Refer to PROCEDURE - Step 3 | |
| Ignition System | Refer to PROCEDURE - Step 1 | |
| Fuel Injector Assembly | Refer to PROCEDURE - Step 1 | |
| Mass Air Flow Meter | Refer to PROCEDURE - Step 1 | |
| Electronic Throttle Control System | Refer to PROCEDURE - Step 1 | |
| Intake System | Refer to PROCEDURE - Step 3 | |
| Compression | Refer to ON-VEHICLE INSPECTION [08/2019 - ] | |
| Brake Override System | Refer to Brake Override System [08/2019 - ] | |
| Drive start control | Refer to Drive Start Control [08/2019 - 08/2021] , or refer to Drive Start Control [08/2021 - ] | |
| Surging (Poor driveability) | Spark Plug | Refer to PROCEDURE - Step 3 |
| Fuel Pump Control Circuit | Refer to Fuel Pump Control Circuit [08/2019 - ] | |
| Ignition System | Refer to PROCEDURE - Step 1 | |
| Fuel Injector Assembly | Refer to PROCEDURE - Step 1 | |
| Mass Air Flow Meter | Refer to PROCEDURE - Step 1 | |
| Variable Valve Timing System | Refer to PROCEDURE - Step 1 | |
| Compression | Refer to ON-VEHICLE INSPECTION [08/2019 - ] | |
| Engine stalls soon after starting | Fuel Pump Control Circuit | Refer to Fuel Pump Control Circuit [08/2019 - ] |
| Spark Plug | Refer to PROCEDURE - Step 3 | |
| Ignition System | Refer to PROCEDURE - Step 1 | |
| Fuel Injector Assembly | Refer to PROCEDURE - Step 1 | |
| Variable Valve Timing System | Refer to PROCEDURE - Step 1 | |
| Electronic Throttle Control System | Refer to PROCEDURE - Step 1 | |
| Intake System | Refer to PROCEDURE - Step 3 | |
| PCV Hose | Refer to PROCEDURE - Step 3 [08/2015 - 08/2022] , or refer to PROCEDURE - Step 3 [08/2022 - ] | |
| Compression | Refer to ON-VEHICLE INSPECTION [08/2019 - ] | |
| EGR Valve Assembly | Refer to PROCEDURE - Step 1 | |
| Engine stalls only during A/C operation | A/C Signal Circuit | Refer to TERMINALS OF ECU [08/2019 - 08/2021] , or refer to TERMINALS OF ECU [08/2021 - ] |
| ECM | Refer to TERMINALS OF ECM [08/2019 - ] | |
| Unable/difficult to refuel | Fuel system (canister, refueling valve, roll over valve, fuel tank, etc.) | - |