SFI SYSTEM:
Symptom
| Suspected area
| See page
|
Engine does not crank (Does not start)
| 1. Immobilizer system
|
Click here
|
2. Generator
| -
|
3. Hybrid system
|
Click here
|
4. Park/neutral position switch
| -
|
No initial combustion (Does not start)
| 1. ECM (Included in HV Control ECU) power source circuit
|
Click here
|
2. Fuel pump control circuit
|
Click here
|
3. ECM (Included in HV Control ECU)
| -
|
Engine cranks normally but difficult to start
| 1. Fuel pump control circuit
|
Click here
|
2. Compression
|
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|
Difficult to start with cold engine
| 1. Ignition system
|
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|
2. Spark plug
|
Click here
|
3. Fuel pump control circuit
|
Click here
|
4. Injector
|
Click here
|
Difficult to start with warm engine
| 1. Injector
|
Click here
|
2. Ignition system
|
Click here
|
3. Spark plug
|
Click here
|
4. Fuel pump control circuit
|
Click here
|
High engine idle speed (Poor idling)
| 1. ECM (Included in HV Control ECU) power source circuit
|
Click here
|
2. Electronic throttle control system
|
Click here
|
3. Air induction system
| -
|
4. PCV hose
| -
|
Low engine idle speed (Poor idling)
| 1. Fuel pump control circuit
|
Click here
|
2. Electronic throttle control system
|
Click here
|
3. Air induction system
| -
|
4. PCV hose
| -
|
Rough idling (Poor idling)
| 1. Compression
|
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|
2. Fuel pump control circuit
|
Click here
|
3. Electronic throttle control system
|
Click here
|
4. Air induction system
| -
|
5. PCV hose
| -
|
Hunting (Poor idling)
| 1. ECM (Included in HV Control ECU) power source circuit
|
Click here
|
2. Fuel pump control circuit
|
Click here
|
3. Spark plug
|
Click here
|
4. Ignition system
|
Click here
|
5. Injector
|
Click here
|
6. Electronic throttle control system
|
Click here
|
7. Air induction system
| -
|
8. PCV hose
| -
|
Hesitation/Poor acceleration (Poor driveability)
| 1. Fuel pump control circuit
|
Click here
|
2. Spark plug
|
Click here
|
3. Ignition system
|
Click here
|
4. Injector
|
Click here
|
Surging (Poor driveability)
| 1. Spark plug
|
Click here
|
2. Fuel pump control circuit
|
Click here
|
3. Ignition system
|
Click here
|
4. Injector
|
Click here
|
Engine stalls soon after starting
| 1. Fuel pump control circuit
|
Click here
|
2. Spark plug
|
Click here
|
3. Ignition system
|
Click here
|
4. Injector
|
Click here
|
Unable/Difficult refuel
| Refueling valve (Canister)
| -
|
