Engine does not crank (Does not start)
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Battery
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Starter signal circuit
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Smart key system (w/ Smart Key System)
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VC output circuit (ECM 5 V output)
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No initial combustion (Does not start)
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Immobiliser system (w/ Smart Key System)
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Immobiliser system (w/o Smart Key System)
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ECM power source circuit
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VC output circuit (ECM 5 V output)
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Crank position sensor
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Fuel pump control circuit
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Ignition circuit
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Ignition system
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Fuel injector circuit
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Valve timing
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No. 1 valve rocker arm sub-assembly*2
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Engine cranks normally but difficult to start
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ECM power source circuit
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Flow chart [Engine difficult to start]
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Fuel pump control circuit
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Fuel pump
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Engine coolant temperature sensor
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Ignition circuit
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Ignition system
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Fuel injector assembly
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Compression
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Fuel injector circuit
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Intake system
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Throttle body assembly
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No. 1 valve rocker arm sub-assembly*2
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Incomplete intermittent combustion occurs (Does not start)
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Fuel pump control circuit
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Fuel line
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-
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Ignition circuit
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Ignition system
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Fuel injector assembly
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Crank position sensor
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Valve timing
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High engine speed (Poor idle)
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Air conditioning signal circuit (for Automatic Air Conditioning System)
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Air conditioning signal circuit (for Manual Air Conditioning System)
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Throttle body assembly
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Intake system
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Engine coolant temperature sensor
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ECM power source circuit
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PCV hose
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PCV valve
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Low engine speed (Poor idle)
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Fuel pump control circuit
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Throttle body assembly
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Intake system
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PCV hose
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PCV valve
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Engine stalls on deceleration
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Idle speed (refer to "Low engine speed" symptom)
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-
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Rough idle
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Flow chart [Rough idling]
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Compression
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Air fuel ratio sensor
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Heated oxygen sensor
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Mass air flow meter sub-assembly
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Manifold absolute pressure sensor
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Ignition circuit
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Ignition system
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Fuel line
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-
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Fuel pump
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Intake system
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PCV hose
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PCV valve
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VALVEMATIC system
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No. 1 valve rocker arm sub-assembly*2
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External part malfunction (Increase in load: A/C system, CVT system, etc.)
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-
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Hunting (Poor idle)
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PCV hose
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PCV valve
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Mass air flow meter sub-assembly
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Air fuel ratio sensor
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Drive start control*1
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Engine stalls during air conditioning operation
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Air conditioning signal circuit (for Automatic Air Conditioning System)
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Air conditioning signal circuit (for Manual Air Conditioning System)
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ECM
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Hesitation/Poor acceleration (Poor driveability)
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VALVEMATIC system
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Flow chart [Lack of power or hesitation]
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Fuel line
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-
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Fuel pump
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Valve timing
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Mass air flow meter sub-assembly
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Throttle body assembly
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Knock control sensor
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Fuel injector assembly
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Ignition circuit
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Ignition system
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Compression
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Brake override system
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Drive start control*1
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No. 1 valve rocker arm sub-assembly*2
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Lack of power
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Flow chart [Lack of power]
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Surging (Poor driveability)
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Fuel line
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-
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Fuel pump control circuit
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Fuel pump
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Ignition circuit
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Ignition system
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Fuel injector assembly
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No. 1 valve rocker arm sub-assembly*2
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Engine stalls soon after starting
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Mass air flow meter sub-assembly
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Intake system
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Manifold absolute pressure sensor
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Fuel line
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-
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Valve timing
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VALVEMATIC system
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Flow chart [Engine stalls]
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No. 1 valve rocker arm sub-assembly*2
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Shift solenoid valve SL (K313 CVT)*1
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MIL (Malfunction Indicator Lamp) malfunction
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MIL Circuit
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Meter/Gauge system
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Unable/difficult to refuel
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Fuel system (canister, refueling valve, roll over valve, fuel tank, etc.)
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