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
| Symptom | Suspected Area | See |
|---|---|---|
| Engine does not crank (Does not start) | Battery | Refer to ON-VEHICLE INSPECTION - Step 1 |
| Starter (for standard area) | Refer to INSPECTION | |
| Starter (for cold area) | Refer to INSPECTION | |
| Cranking holding function circuit | Refer to Cranking Holding Function Circuit | |
| Starter relay | Refer to ON-VEHICLE INSPECTION - Step 1 | |
| Park/neutral position switch | Refer to INSPECTION - Step 1 | |
| Clutch start switch | Refer to INSPECTION | |
| No initial combustion (Does not start) | ECM power source circuit | Refer to ECM Power Source Circuit |
| Crankshaft position sensor | Refer to INSPECTION - Step 1 | |
| Camshaft position sensor | Refer to INSPECTION - Step 1 | |
| Ignition system | Refer to ON-VEHICLE INSPECTION | |
| Fuel pump control circuit | Refer to Fuel Pump Control Circuit | |
| VC output circuit | Refer to VC Output Circuit | |
| ECM | Refer to TERMINALS OF ECM | |
| Immobiliser System | Refer to HOW TO PROCEED WITH TROUBLESHOOTING | |
| Engine cranks normally but difficult to start | Fuel pump control circuit | Refer to Fuel Pump Control Circuit |
| Compression | Refer to ON-VEHICLE INSPECTION - Step 8 | |
| ECM power source circuit | Refer to ECM Power Source Circuit | |
| Difficult to start with cold engine | Ignition system | Refer to ON-VEHICLE INSPECTION |
| Spark plug | Refer to ON-VEHICLE INSPECTION - Step 2 | |
| Fuel pump control circuit | Refer to Fuel Pump Control Circuit | |
| Injector | Refer to INSPECTION - Step 1 | |
| Difficult to start with warm engine | Injector | Refer to INSPECTION - Step 1 |
| Ignition system | Refer to ON-VEHICLE INSPECTION | |
| Spark plug | Refer to ON-VEHICLE INSPECTION - Step 2 | |
| Fuel pump control circuit | Refer to Fuel Pump Control Circuit | |
| High engine idle speed | Electronic throttle control system | Refer to ON-VEHICLE INSPECTION |
| A/C signal circuit | - | |
| ECM power source circuit | Refer to ECM Power Source Circuit | |
| Low engine idle speed (Poor idling) | Electronic throttle control system | Refer to ON-VEHICLE INSPECTION |
| A/C signal circuit | - | |
| Fuel pump control circuit | Refer to Fuel Pump Control Circuit | |
| Intake system | Refer to ON-VEHICLE INSPECTION | |
| PCV hose | - | |
| Rough idling | Compression | Refer to ON-VEHICLE INSPECTION - Step 8 |
| Spark plug | Refer to ON-VEHICLE INSPECTION - Step 2 | |
| Injector | Refer to INSPECTION - Step 1 | |
| Ignition system | Refer to ON-VEHICLE INSPECTION | |
| Fuel pump control circuit | Refer to Fuel Pump Control Circuit | |
| Electronic throttle control system | Refer to ON-VEHICLE INSPECTION | |
| Intake system | Refer to ON-VEHICLE INSPECTION | |
| PCV hose | - | |
| Mass air flow meter | Refer to ON-VEHICLE INSPECTION | |
| Idle hunting | Electronic throttle control system | Refer to ON-VEHICLE INSPECTION |
| Intake system | Refer to ON-VEHICLE INSPECTION | |
| ECM power source circuit | Refer to ECM Power Source Circuit | |
| Hesitation/Poor acceleration | Fuel pump control circuit | Refer to Fuel Pump Control Circuit |
| Spark plug | Refer to ON-VEHICLE INSPECTION - Step 2 | |
| Ignition system | Refer to ON-VEHICLE INSPECTION | |
| Injector | Refer to INSPECTION - Step 1 | |
| Mass air flow meter | Refer to ON-VEHICLE INSPECTION | |
| Electronic throttle control system | Refer to ON-VEHICLE INSPECTION | |
| Intake system | Refer to ON-VEHICLE INSPECTION | |
| Compression | Refer to ON-VEHICLE INSPECTION - Step 8 | |
| Brake override system | Refer to Brake Override System | |
| Surging (Poor driveability) | Spark plug | Refer to ON-VEHICLE INSPECTION - Step 2 |
| Fuel pump control circuit | Refer to Fuel Pump Control Circuit | |
| Ignition system | Refer to ON-VEHICLE INSPECTION | |
| Injector | Refer to INSPECTION - Step 1 | |
| Mass air flow meter | Refer to ON-VEHICLE INSPECTION | |
| Variable valve timing system | Refer to DTC P0010: Camshaft Position "A" Actuator Circuit (Bank 1) | |
| Compression | Refer to ON-VEHICLE INSPECTION - Step 8 | |
| Engine stalls soon after starting | Fuel pump control circuit | Refer to Fuel Pump Control Circuit |
| Spark plug | Refer to ON-VEHICLE INSPECTION - Step 2 | |
| Ignition system | Refer to ON-VEHICLE INSPECTION | |
| Injector | Refer to INSPECTION - Step 1 | |
| Variable valve timing system | Refer to DTC P0010: Camshaft Position "A" Actuator Circuit (Bank 1) | |
| Electronic throttle control system | Refer to ON-VEHICLE INSPECTION | |
| Intake system | Refer to ON-VEHICLE INSPECTION | |
| PCV hose | - | |
| Compression | Refer to ON-VEHICLE INSPECTION - Step 8 | |
| Engine stalls only during A/C operation | A/C signal circuit | - |
| ECM | Refer to TERMINALS OF ECM | |
| Unable/difficult to refuel | Refueling valve (canister) | - |