Problem Symptoms Table [08/2014 - ]

HINT:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, 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.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.

SFI SYSTEM

Symptom	Suspected Area	See
Engine does not crank (Does not start)	Battery	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Starter assembly	Refer to INSPECTION [08/2014 - ]
	Starter relay	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Starter signal circuit	Refer to Starter Signal Circuit [08/2014 - ]
	Smart key system (for start function)	Refer to PROBLEM SYMPTOMS TABLE [08/2014 - ]
	Park/neutral position switch (for 2WD)	Refer to INSPECTION [08/2014 - ]
	Park/neutral position switch (for AWD)	Refer to INSPECTION [08/2014 - ]
	VC output circuit (w/ smart key system)	Refer to VC Output Circuit [08/2014 - ]
No initial combustion (Does not start)	ECM power source circuit	Refer to ECM Power Source Circuit [08/2014 - ]
	VC output circuit (w/o smart key system)	Refer to VC Output Circuit [08/2014 - ]
	Crankshaft position sensor	Refer to INSPECTION [08/2014 - ]
	Ignition system	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Fuel pump control circuit	Refer to Fuel Pump Control Circuit [08/2014 - ]
	Fuel pump	Refer to INSPECTION [08/2014 - ]
	Fuel injector circuit	Refer to Fuel Injector Circuit [08/2014 - ]
	Valve timing	Refer to INSTALLATION [08/2014 - ] - Step 17
	VVT sensor (for intake side of bank1, 2)	Refer to INSPECTION PROCEDURE
	VVT sensor (for exhaust side of bank1, 2)	Refer to INSPECTION PROCEDURE
	Cranking holding function circuit	Refer to Cranking Holding Function Circuit [08/2014 - ]
	Starter signal circuit	Refer to Starter Signal Circuit [08/2014 - ]
	Engine immobilizer system (w/ smart key system)	Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2014 - ]
	Engine immobilizer system (w/o smart key system)	Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2014 - ]
	ECM	Refer to TERMINALS OF ECM [08/2014 - ]
Engine cranks normally but difficult to start	Fuel pump control circuit	Refer to Fuel Pump Control Circuit [08/2014 - ]
	Fuel pump	Refer to INSPECTION [08/2014 - ]
	Fuel injector circuit	Refer to Fuel Injector Circuit [08/2014 - ]
	ECM power source circuit	Refer to ECM Power Source Circuit [08/2014 - ]
	Cranking holding function circuit	Refer to Cranking Holding Function Circuit [08/2014 - ]
	Starter signal circuit	Refer to Starter Signal Circuit [08/2014 - ]
	Engine coolant temperature sensor	Refer to INSPECTION [08/2014 - ]
	Intake system	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Ignition system	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Spark plug	Refer to ON-VEHICLE INSPECTION [08/2014 - ] - Step 2
	Fuel injector assembly	Refer to INSPECTION [08/2014 - ]
	Compression	Refer to ON-VEHICLE INSPECTION [08/2014 - ] - Step 11
	Intake system	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Throttle body with motor assembly	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
Incomplete intermittent combustion occurs (Does not start)	Fuel pump control circuit	Refer to Fuel Pump Control Circuit [08/2014 - ]
	Fuel pump	Refer to INSPECTION [08/2014 - ]
	Fuel line	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Ignition circuit	Refer to DTC P0351: Ignition Coil "A" Primary / Secondary Circuit; DTC P0352: Ignition Coil "B" Primary / Secondary Circuit; DTC P0353: Ignition Coil "C" Primary / Secondary Circuit; DTC P0354: Ignition Coil "D" Primary / Secondary Circuit; DTC P0355: Ignition Coil "E" Primary / Secondary Circuit; DTC P0356: Ignition Coil "F" Primary / Secondary Circuit [08/2014 - ]
	Ignition system	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Fuel injector circuit	Refer to Fuel Injector Circuit [08/2014 - ]
	Fuel injector assembly	Refer to INSPECTION [08/2014 - ]
	ECM power source circuit	Refer to ECM Power Source Circuit [08/2014 - ]
	Cranking holding function circuit	Refer to Cranking Holding Function Circuit [08/2014 - ]
	Starter signal circuit	Refer to Starter Signal Circuit [08/2014 - ]
	Crankshaft position sensor	Refer to INSPECTION [08/2014 - ]
	VVT sensor (for intake side of bank 1, 2)	Refer to INSPECTION PROCEDURE
	VVT sensor (for exhaust side of bank 1, 2)	Refer to INSPECTION PROCEDURE
	Engine immobilizer system (w/ smart key system)	Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2014 - ]
	Engine immobilizer system (w/o smart key system)	Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2014 - ]
	Valve timing	Refer to INSTALLATION [08/2014 - ] - Step 17
High engine speed (Poor idle)	Throttle body with motor assembly	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Intake system	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	A/C signal circuit	Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2014 - ]
	ECM power source circuit	Refer to ECM Power Source Circuit [08/2014 - ]
	Engine coolant temperature sensor	Refer to INSPECTION [08/2014 - ]
	PCV valve and hose	Refer to COMPONENTS [08/2014 - ]
	ACIS control circuit	Refer to ACIS Control Circuit [08/2014 - ]
Low engine speed (Poor idle)	Throttle body with motor assembly	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	A/C signal circuit	Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2014 - ]
	Fuel pump control circuit	Refer to Fuel Pump Control Circuit [08/2014 - ]
	Fuel pump	Refer to INSPECTION [08/2014 - ]
	Intake system	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	PCV valve and hose	Refer to COMPONENTS [08/2014 - ]
	ACIS control circuit	Refer to ACIS Control Circuit [08/2014 - ]
Engine stalls on deceleration	Idle speed (refer to "Low engine speed")	Refer to ON-VEHICLE INSPECTION [08/2014 - ] - Step 10
Rough idle	Compression	Refer to ON-VEHICLE INSPECTION [08/2014 - ] - Step 11
	Ignition system	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Spark plug	Refer to ON-VEHICLE INSPECTION [08/2014 - ] - Step 2
	Fuel injector circuit	Refer to Fuel Injector Circuit [08/2014 - ]
	ECM power source circuit	Refer to ECM Power Source Circuit [08/2014 - ]
	Fuel pump control circuit	Refer to Fuel Pump Control Circuit [08/2014 - ]
	Fuel pump	Refer to INSPECTION [08/2014 - ]
	Fuel line	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Throttle body with motor assembly	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Intake system	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	PCV valve and hose	Refer to COMPONENTS [08/2014 - ]
	Air fuel ratio sensor	Refer to INSPECTION [08/2014 - ]
	Heated oxygen sensor	Refer to INSPECTION [08/2014 - ]
	Mass air flow meter	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Knock sensor	Refer to INSPECTION [08/2014 - ]
	ACIS control circuit	Refer to ACIS Control Circuit [08/2014 - ]
	External part malfunction (Increase in load: A/C system, CVT system, etc.)	-
Hunting (Poor idling)	Throttle body with motor assembly	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Intake system	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	PCV valve and hose	Refer to COMPONENTS [08/2014 - ]
	Air fuel ratio sensor	Refer to INSPECTION [08/2014 - ]
	Mass air flow meter	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	ACIS control circuit	Refer to ACIS Control Circuit [08/2014 - ]
Hesitation/Poor acceleration	Fuel pump control circuit	Refer to Fuel Pump Control Circuit [08/2014 - ]
	Fuel pump	Refer to INSPECTION [08/2014 - ]
	Fuel line	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Spark plug	Refer to ON-VEHICLE INSPECTION [08/2014 - ] - Step 2
	Ignition system	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Fuel injector circuit	Refer to Fuel Injector Circuit [08/2014 - ]
	ECM power source circuit	Refer to ECM Power Source Circuit [08/2014 - ]
	Mass air flow meter	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Throttle body with motor assembly	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Intake system	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Valve timing	Refer to INSTALLATION [08/2014 - ] - Step 17
	Compression	Refer to ON-VEHICLE INSPECTION [08/2014 - ] - Step 11
	Brake override system	Refer to Brake Override System [08/2014 - ]
Surging (Poor driveability)	Spark plug	Refer to ON-VEHICLE INSPECTION [08/2014 - ] - Step 2
	Fuel pump control circuit	Refer to Fuel Pump Control Circuit [08/2014 - ]
	Fuel pump	Refer to INSPECTION [08/2014 - ]
	Ignition system	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Fuel injector circuit	Refer to Fuel Injector Circuit [08/2014 - ]
	Fuel injector assembly	Refer to INSPECTION [08/2014 - ]
	ECM power source circuit	Refer to ECM Power Source Circuit [08/2014 - ]
	Mass air flow meter	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Variable Valve Timing (VVT) system	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Compression	Refer to ON-VEHICLE INSPECTION [08/2014 - ] - Step 11
Engine stalls soon after starting	Fuel pump control circuit	Refer to Fuel Pump Control Circuit [08/2014 - ]
	Fuel pump	Refer to INSPECTION [08/2014 - ]
	Spark plug	Refer to ON-VEHICLE INSPECTION [08/2014 - ] - Step 2
	Ignition system	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Fuel injector circuit	Refer to Fuel Injector Circuit [08/2014 - ]
	ECM power source circuit	Refer to ECM Power Source Circuit [08/2014 - ]
	Mass air flow meter	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Variable Valve Timing (VVT) system	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Throttle body with motor assembly	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	Intake system	Refer to ON-VEHICLE INSPECTION [08/2014 - ]
	PCV valve and hose	Refer to COMPONENTS [08/2014 - ]
	Compression	Refer to ON-VEHICLE INSPECTION [08/2014 - ] - Step 11
Engine stalls only during A/C operation	A/C signal circuit	Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2014 - ]
Engine stalls only during A/C operation	ECM	Refer to TERMINALS OF ECM [08/2014 - ]
Engine vibrates frequently when idling (Active control engine mount system)	Active control engine mount system	Refer to Active Control Engine Mount System [08/2014 - ]
Unable/difficult to refuel	Fuel system (canister, rollover valve, fuel tank etc.)	-