Problem Symptoms Table
HINT:
Use the table below to help determine the cause of the problem symptom. 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
SFI SYSTEM SYMPTOMS REFERENCE
| Symptom | Suspected Area | See page |
|---|---|---|
| Engine does not crank (Does not start) | Battery | ON-VEHICLE INSPECTION |
| Starter | INSPECTION | |
| Starter relay | STARTER RELAY | |
| Park / neutral position switch (for 2WD) | DATA LIST / ACTIVE TEST | |
| Park / neutral position switch (for 4WD) | DATA LIST / ACTIVE TEST | |
| Immobiliser system | HOW TO PROCEED WITH TROUBLESHOOTING | |
| 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 | ON-VEHICLE INSPECTION | |
| Difficult to start with cold engine | Ignition system | ON-VEHICLE INSPECTION |
| Spark plug | ON-VEHICLE INSPECTION | |
| Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |
| Injector | INSPECTION | |
| Difficult to start with warm engine | Injector | INSPECTION |
| Ignition system | ON-VEHICLE INSPECTION | |
| Spark plug | ON-VEHICLE INSPECTION | |
| Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |
| High engine idle speed | Electronic throttle control system | THROTTLE BODY |
| A/C signal circuit (for Automatic Air Conditioning System) | TERMINALS OF ECU | |
| A/C signal circuit (for Manual Air Conditioning System) | 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 | THROTTLE BODY |
| A/C signal circuit (for Automatic Air Conditioning System) | TERMINALS OF ECU | |
| A/C signal circuit (for Manual Air Conditioning System) | TERMINALS OF ECU | |
| Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |
| Air induction system | ON-VEHICLE INSPECTION | |
| Acoustic Control Induction System (ACIS) | ACIS CONTROL CIRCUIT | |
| PCV hose | ON-VEHICLE INSPECTION | |
| Rough idling | Compression | ON-VEHICLE INSPECTION |
| Spark plug | ON-VEHICLE INSPECTION | |
| Injector | INSPECTION | |
| Ignition system | ON-VEHICLE INSPECTION | |
| Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT | |
| Electronic throttle control system | THROTTLE BODY | |
| Air induction system | ON-VEHICLE INSPECTION | |
| 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 | THROTTLE BODY |
| Air induction system | ON-VEHICLE INSPECTION | |
| ECM power source circuit | ECM POWER SOURCE CIRCUIT | |
| Acoustic Control Induction System (ACIS) | ACIS CONTROL CIRCUIT | |
| Hesitation/Poor acceleration | Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT |
| Spark plug | ON-VEHICLE INSPECTION | |
| Ignition system | ON-VEHICLE INSPECTION | |
| Injector | INSPECTION | |
| Mass air flow meter | MASS AIR FLOW METER | |
| Electronic throttle control system | THROTTLE BODY | |
| Air induction system | ON-VEHICLE INSPECTION | |
| Compression | ON-VEHICLE INSPECTION | |
| Surging (Poor driveability) | Spark plug | ON-VEHICLE INSPECTION |
| 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 | CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY | |
| Compression | ON-VEHICLE INSPECTION | |
| Engine stalls soon after starting | Fuel pump control circuit | FUEL PUMP CONTROL CIRCUIT |
| Spark plug | ON-VEHICLE INSPECTION | |
| Ignition system | ON-VEHICLE INSPECTION | |
| Injector | INSPECTION | |
| Variable valve timing system | CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY | |
| Electronic throttle control system | THROTTLE BODY | |
| Air induction system | ON-VEHICLE INSPECTION | |
| PCV hose | ON-VEHICLE INSPECTION | |
| Compression | ON-VEHICLE INSPECTION | |
| Engine stalls only during A/C operation | A/C signal circuit (for Automatic Air Conditioning System) | TERMINALS OF ECU |
| A/C signal circuit (for Manual Air Conditioning System) | TERMINALS OF ECU | |
| ECM | TERMINALS OF ECM | |
| Unable/difficult to refuel | Refueling valve (canister) | - |