| Symptom | Suspected Area | See page |
| Engine does not crank (Does not start) |
Battery |
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| Starter assembly |
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| Entry and start system (for start function) |
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| Cranking holding function circuit (w/ entry and start system) |
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| Starter relay |
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| VC output circuit |
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| Park/neutral position switch assembly [for automatic transmission] |
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| Clutch start switch assembly (for LHD) [for manual transmission] |
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| Clutch start switch assembly (for RHD) [for manual transmission] |
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| No initial combustion (Does not start) |
Engine immobiliser system (w/ entry and start system) |
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| Engine immobiliser system (w/o entry and start system) |
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| ECM power source circuit |
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| Crankshaft position sensor |
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| VVT sensor |
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| Ignition system |
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| Fuel pump control circuit |
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| Fuel injector circuit |
|
| ECM |
|
| VC output circuit |
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| Starter signal circuit (w/o entry and start system) |
|
| Cranking holding function circuit (w/ entry and start system) |
|
| Engine cranks normally but difficult to start |
Fuel pump control circuit |
|
| Engine coolant temperature sensor |
|
| Ignition system |
|
| Compression |
|
| Fuel injector assembly |
|
| Fuel injector circuit |
|
| Intake system |
|
| Throttle body with motor assembly |
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| PCV hose (w/ secondary air injection system) |
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| PCV hose (w/o secondary air injection system) |
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| Starter signal circuit (w/o entry and start system) |
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| Cranking holding function circuit (w/ entry and start system) |
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| Difficult to start with cold engine |
Ignition system |
|
| Spark plug |
|
| Fuel pump control circuit |
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| Fuel injector assembly |
|
| Difficult to start with warm engine |
Fuel injector assembly |
|
| Ignition system |
|
| Spark plug |
|
| Fuel pump control circuit |
|
| High engine idle speed |
Electronic throttle control system |
|
| A/C signal circuit (for automatic air conditioning system) |
|
| A/C signal circuit (for manual air conditioning system) |
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| ECM power source circuit |
|
| Low engine idle speed (Poor idling) |
Electronic throttle control system |
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| A/C signal circuit (for automatic air conditioning system) |
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| A/C signal circuit (for manual air conditioning system) |
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| Fuel pump control circuit |
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| Intake system |
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| PCV hose (w/ secondary air injection system) |
|
| PCV hose (w/o secondary air injection system) |
|
| Rough idling |
Compression |
|
| Spark plug |
|
| Fuel injector assembly |
|
| Ignition system |
|
| Fuel pump control circuit |
|
| Electronic throttle control system |
|
| Intake system |
|
| PCV hose (w/ secondary air injection system) |
|
| PCV hose (w/o secondary air injection system) |
|
| Mass air flow meter |
|
| Idle hunting |
Electronic throttle control system |
|
| Intake system |
|
| ECM power source circuit |
|
| Hesitation/poor acceleration |
Fuel pump control circuit |
|
| Spark plug |
|
| Ignition system |
|
| Fuel injector assembly |
|
| Mass air flow meter |
|
| Electronic throttle control system |
|
| Intake system |
|
| Compression |
|
| Brake override system |
|
| Surging (Poor driveability) |
Spark plug |
|
| Fuel pump control circuit |
|
| Ignition system |
|
| Fuel injector assembly |
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| Mass air flow meter |
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| Variable valve timing system |
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| Compression |
|
| Engine stalls soon after starting |
Fuel pump control circuit |
|
| Spark plug |
|
| Ignition system |
|
| Fuel injector assembly |
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| Variable valve timing system |
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| Electronic throttle control system |
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| Intake system |
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| PCV hose (w/ secondary air injection system) |
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| PCV hose (w/o secondary air injection system) |
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| Compression |
|
| Engine stalls only during A/C operation |
A/C signal circuit (for automatic air conditioning system) |
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| A/C signal circuit (for manual air conditioning system) |
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| ECM |
|