Problem Symptoms Table [03/2017 - ]

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	Refer to
Engine does not crank (Does not start)	Battery	Refer to PROBLEM SYMPTOMS TABLE [06/2016 - ]
	Starter assembly*1	Refer to PROCEDURE - Step 1
	Starter assembly*2	Refer to INSPECTION [06/2016 - ]
	Smart key system (for start function)*3	Refer to HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - ]
	Park/neutral position switch assembly*1	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Clutch start switch assembly*2	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Starter signal circuit	Refer to Starter Signal Circuit [03/2017 - ]
	VC output circuit (ECM 5 V output)	Refer to VC Output Circuit [06/2016 - ]
No initial combustion (Does not start)	ECM power source circuit	Refer to ECM Power Source Circuit [03/2017 - ]
	Crankshaft position sensor	Refer to PROCEDURE - Step 1
	Ignition system	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Fuel pump control circuit	Refer to Fuel Pump Control Circuit [03/2017 - ]
	Fuel pump	Refer to INSPECTION [06/2016 - ]
	Fuel injector circuit	Refer to Fuel Injector Circuit [06/2016 - ]
	Valve timing	Refer to PROCEDURE - Step 4 [06/2016 - 12/2017] , or refer to PROCEDURE - Step 4 [12/2017 - ]
	VC output circuit (ECM 5 V output)	Refer to VC Output Circuit [06/2016 - ]
	VVT sensor (for intake side)	Refer to PROCEDURE - Step 1
	VVT sensor (for exhaust side)	Refer to PROCEDURE - Step 1
	Starter signal circuit	Refer to Starter Signal Circuit [03/2017 - ]
	Engine immobiliser system*3	Refer to HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - ]
	Engine immobiliser system*4	Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - ]
	ECM	Refer to REMOVAL [06/2016 - ]
Engine cranks normally but difficult to start	Fuel pump control circuit	Refer to Fuel Pump Control Circuit [03/2017 - ]
	Fuel pump (for high pressure)	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Fuel injector circuit	Refer to Fuel Injector Circuit [06/2016 - ]
	Fuel injector assembly (for port injection)	Refer to INSPECTION [06/2016 - ]
	Fuel injector assembly (for direct injection)	Refer to INSPECTION [06/2016 - ]
	ECM power source circuit	Refer to ECM Power Source Circuit [03/2017 - ]
	Starter signal circuit	Refer to Starter Signal Circuit [03/2017 - ]
	Engine coolant temperature sensor	Refer to INSPECTION [06/2016 - ]
	Intake system	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Ignition system	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Spark plug	Refer to PROCEDURE - Step 3
	Throttle with motor body assembly	Refer to INSPECTION [06/2016 - ]
	Compression	Refer to PROCEDURE - Step 9
Incomplete intermittent combustion occurs (Does not start)	Fuel pump control circuit	Refer to Fuel Pump Control Circuit [03/2017 - ]
	Fuel line	Refer to PROCEDURE - Step 1
	Ignition circuit	Refer to PROCEDURE - Step 2
	Ignition system	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Fuel injector circuit	Refer to Fuel Injector Circuit [06/2016 - ]
	Fuel injector assembly (for port injection)	Refer to INSPECTION [06/2016 - ]
	Fuel injector assembly (for direct injection)	Refer to INSPECTION [06/2016 - ]
	ECM power source circuit	Refer to ECM Power Source Circuit [03/2017 - ]
	Starter signal circuit	Refer to Starter Signal Circuit [03/2017 - ]
	Crankshaft position sensor	Refer to PROCEDURE - Step 1
	VVT sensor (for intake side)	Refer to PROCEDURE - Step 1
	VVT sensor (for exhaust side)	Refer to PROCEDURE - Step 1
	Valve timing	Refer to PROCEDURE - Step 4 [06/2016 - 12/2017] , or refer to PROCEDURE - Step 4 [12/2017 - ]
High engine idle speed	Throttle with motor body assembly	Refer to INSPECTION [06/2016 - ]
	Intake system	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	A/C signal circuit*5	Refer to TERMINALS OF ECU [03/2017 - ]
	A/C signal circuit*6	Refer to TERMINALS OF ECU [06/2016 - ]
	ECM power source circuit	Refer to ECM Power Source Circuit [03/2017 - ]
	Engine coolant temperature sensor	Refer to INSPECTION [06/2016 - ]
	PCV valve and hose	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
Low engine idle speed (Poor idling)	Throttle with motor body assembly	Refer to INSPECTION [06/2016 - ]
	A/C signal circuit*5	Refer to TERMINALS OF ECU [03/2017 - ]
	A/C signal circuit*6	Refer to TERMINALS OF ECU [06/2016 - ]
	Fuel pump control circuit	Refer to Fuel Pump Control Circuit [03/2017 - ]
	Fuel pump	Refer to INSPECTION [06/2016 - ]
	Intake system	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	PCV valve and hose	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
Rough idling	Compression	Refer to PROCEDURE - Step 9
	Ignition system	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Spark plug	Refer to PROCEDURE - Step 3
	Fuel injector circuit	Refer to Fuel Injector Circuit [06/2016 - ]
	ECM power source circuit	Refer to ECM Power Source Circuit [03/2017 - ]
	Fuel pump control circuit	Refer to Fuel Pump Control Circuit [03/2017 - ]
	Fuel injector assembly (for port injection)	Refer to INSPECTION [06/2016 - ]
	Fuel injector assembly (for direct injection)	Refer to INSPECTION [06/2016 - ]
	Fuel pump (for high pressure)	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Fuel line	Refer to PROCEDURE - Step 1
	Throttle with motor body assembly	Refer to INSPECTION [06/2016 - ]
	Intake system	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Purge valve	Refer to INSPECTION [06/2016 - ]
	PCV valve and hose	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Air fuel ratio sensor	Refer to INSPECTION [06/2016 - ]
	Heated oxygen sensor	Refer to INSPECTION [06/2016 - ]
	Mass air flow meter	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Knock sensor	Refer to INSPECTION [06/2016 - ]
Hunting (Poor idling)	Throttle with motor body assembly	Refer to INSPECTION [06/2016 - ]
	Intake system	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	PCV valve and hose	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Air fuel ratio sensor	Refer to INSPECTION [06/2016 - ]
	Mass air flow meter	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
Hesitation/poor acceleration	Fuel pump control circuit	Refer to Fuel Pump Control Circuit [03/2017 - ]
	Fuel pump (for high pressure)	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Fuel line	Refer to PROCEDURE - Step 1
	Spark plug	Refer to PROCEDURE - Step 3
	Ignition system	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Fuel injector circuit	Refer to Fuel Injector Circuit [06/2016 - ]
	Fuel injector assembly (for port injection)	Refer to INSPECTION [06/2016 - ]
	Fuel injector assembly (for direct injection)	Refer to INSPECTION [06/2016 - ]
	ECM power source circuit	Refer to ECM Power Source Circuit [03/2017 - ]
	Knock sensor	Refer to INSPECTION [06/2016 - ]
	Mass air flow meter	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Throttle with motor body assembly	Refer to INSPECTION [06/2016 - ]
	Intake system	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Valve timing	Refer to PROCEDURE - Step 4 [06/2016 - 12/2017] , or refer to PROCEDURE - Step 4 [12/2017 - ]
	Compression	Refer to PROCEDURE - Step 9
	Brake override system	Refer to Brake Override System [06/2016 - ]
Surging (Poor driveability)	Spark plug	Refer to PROCEDURE - Step 3
	Fuel pump control circuit	Refer to Fuel Pump Control Circuit [03/2017 - ]
	Fuel pump (for high pressure)	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Ignition system	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Fuel injector circuit	Refer to Fuel Injector Circuit [06/2016 - ]
	Fuel injector assembly (for port injection)	Refer to INSPECTION [06/2016 - ]
	Fuel injector assembly (for direct injection)	Refer to INSPECTION [06/2016 - ]
	ECM power source circuit	Refer to ECM Power Source Circuit [03/2017 - ]
	Mass air flow meter	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Variable Valve Timing (VVT) system	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Compression	Refer to PROCEDURE - Step 9
Engine stalls soon after starting	Fuel pump control circuit	Refer to Fuel Pump Control Circuit [03/2017 - ]
	Fuel pump (for high pressure)	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Spark plug	Refer to PROCEDURE - Step 3
	Ignition system	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Fuel injector circuit	Refer to Fuel Injector Circuit [06/2016 - ]
	Fuel injector assembly (for port injection)	Refer to INSPECTION [06/2016 - ]
	Fuel injector assembly (for direct injection)	Refer to INSPECTION [06/2016 - ]
	ECM power source circuit	Refer to ECM Power Source Circuit [03/2017 - ]
	Mass air flow meter	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Variable Valve Timing (VVT) system	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Throttle with motor body assembly	Refer to INSPECTION [06/2016 - ]
	Engine immobiliser system*3	Refer to HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - ]
	Engine immobiliser system*4	Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - ]
	Intake system	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	PCV valve and hose	Refer to ON-VEHICLE INSPECTION [06/2016 - ]
	Compression	Refer to PROCEDURE - Step 9
Engine stalls only during A/C operation	A/C signal circuit*5	Refer to TERMINALS OF ECU [03/2017 - ]
	A/C signal circuit*6	Refer to TERMINALS OF ECU [06/2016 - ]
	ECM	Refer to REMOVAL [06/2016 - ]
MIL malfunction	MIL circuit	Refer to MIL Circuit [06/2016 - ]
MIL malfunction	Meter / gauge system	Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - ]
Unable/difficult to refuel	Fuel system (canister, refueling valve, fuel tank vent valve, fuel tank, etc.)	-

*1: for Automatic Transmission
*2: for Manual Transmission
*3: w/ Smart Key System
*4: w/o Smart Key System
*5: for Automatic Air Conditioning System
*6: for Manual Air Conditioning System