Problem Symptoms Table
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.
SFI System
PROBLEM SYMPTOMS CHART
| Symptom | Suspected Area | See Procedure |
|---|---|---|
| Engine does not crank (Does not start) | Battery | ON-VEHICLE INSPECTION |
| Starter | INSPECTION | |
| Starter relay | RELAY | |
| Park/neutral position switch | INSPECTION | |
| Engine immobilizer system | HOW TO PROCEED WITH TROUBLESHOOTING | |
| Smart access system with push-button start | ENGINE DOES NOT START | |
| No initial combustion (Does not start) | ECM power source circuit | ECM POWER SOURCE CIRCUIT |
| Crankshaft position sensor | 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 | |
| Camshaft position sensor | 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) | |
| Ignition system | ON-VEHICLE INSPECTION | |
| Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |
| ECM | TERMINALS OF ECM | |
| VC output circuit | VC OUTPUT CIRCUIT | |
| Engine cranks normally but difficult to start | Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT |
| Compression | DRIVE BELT | |
| Difficult to start with cold engine | Ignition system | ON-VEHICLE INSPECTION |
| Spark plug | CAMSHAFT OIL CONTROL VALVE | |
| Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |
| Injector | INSPECTION | |
| Cranking holding function circuit | CRANKING HOLDING FUNCTION CIRCUIT | |
| Difficult to start with warm engine | Injector | INSPECTION |
| Ignition system | ON-VEHICLE INSPECTION | |
| Spark plug | CAMSHAFT OIL CONTROL VALVE | |
| Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |
| Cranking holding function circuit | CRANKING HOLDING FUNCTION CIRCUIT | |
| High engine idle speed | Electronic throttle control system | INSPECTION |
| A/C signal circuit | TERMINALS OF ECU | |
| ECM power source circuit | ECM POWER SOURCE CIRCUIT | |
| Acoustic Control Induction System (ACIS) | ACIS CONTROL CIRCUIT | |
| Low engine idle speed (Poor idling) | Electronic throttle control system | ON-VEHICLE INSPECTION |
| A/C signal circuit | TERMINALS OF ECU | |
| Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |
| Air induction system | INTAKE MANIFOLD | |
| Acoustic Control Induction System (ACIS) | ACIS CONTROL CIRCUIT | |
| PCV hose | ON-VEHICLE INSPECTION | |
| Rough idling | Compression | DRIVE BELT |
| Spark plug | CAMSHAFT OIL CONTROL VALVE | |
| Injector | INSPECTION | |
| Ignition system | ON-VEHICLE INSPECTION | |
| Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |
| Electronic throttle control system | ON-VEHICLE INSPECTION | |
| Air induction system | INTAKE MANIFOLD | |
| Acoustic Control Induction System (ACIS) | ACIS CONTROL CIRCUIT | |
| PCV hose | ON-VEHICLE INSPECTION | |
| Mass air flow meter | MASS AIR FLOW METER | |
| Idle hunting | Electronic throttle control system | ON-VEHICLE INSPECTION |
| Air induction system | INTAKE MANIFOLD | |
| ECM power source circuit | ECM POWER SOURCE CIRCUIT | |
| Acoustic Control Induction System (ACIS) | ACIS CONTROL CIRCUIT | |
| Hesitation/Poor acceleration | A/T faulty | PROBLEM SYMPTOMS TABLE |
| Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |
| Spark plug | CAMSHAFT OIL CONTROL VALVE | |
| Ignition system | ON-VEHICLE INSPECTION | |
| Injector | INSPECTION | |
| Mass air flow meter | MASS AIR FLOW METER | |
| Electronic throttle control system | ON-VEHICLE INSPECTION | |
| Air induction system | INTAKE MANIFOLD | |
| Compression | DRIVE BELT | |
| Surging (Poor driveability) | Spark plug | CAMSHAFT OIL CONTROL VALVE |
| Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |
| Ignition system | ON-VEHICLE INSPECTION | |
| Injector | INSPECTION | |
| Mass air flow meter | MASS AIR FLOW METER | |
| Variable valve timing system | ON-VEHICLE INSPECTION | |
| Compression | DRIVE BELT | |
| Engine stalls soon after starting | Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT |
| Spark plug | CAMSHAFT OIL CONTROL VALVE | |
| Ignition system | ON-VEHICLE INSPECTION | |
| Injector | INSPECTION | |
| Variable valve timing system | ON-VEHICLE INSPECTION | |
| Electronic throttle control system | ON-VEHICLE INSPECTION | |
| Air induction system | INTAKE MANIFOLD | |
| PCV hose | ON-VEHICLE INSPECTION | |
| Compression | DRIVE BELT | |
| Engine stalls only during A/C operation | A/C signal circuit | TERMINALS OF ECU |
| ECM | TERMINALS OF ECM | |
| Unable/difficult to refuel | Refueling valve (canister) | INSPECTION |