Problem Symptoms Table [11/2015 - ]

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	Link
Engine does not crank (Does not start)	Hybrid control system (for lithium-ion battery)	Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2015 - ]
	Hybrid control system (for nickel metal hydride battery)	Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2015 - ]
	VC output circuit	Refer to VC Output Circuit [11/2015 - 12/2018] , or refer to VC Output Circuit [12/2018 - ]
No initial combustion (Does not start)	ECM power source circuit	Refer to ECM Power Source Circuit [11/2015 - 07/2020] , or refer to ECM Power Source Circuit [07/2020 - ]
	VC output circuit	Refer to VC Output Circuit [11/2015 - 12/2018] , or refer to VC Output Circuit [12/2018 - ]
	Crankshaft position sensor	Refer to INSPECTION [11/2015 - ]
	Fuel injector circuit	Refer to Fuel Injector Circuit [11/2015 - ]
	Ignition system	Refer to ON-VEHICLE INSPECTION [11/2015 - ]
	Fuel pump control circuit	Refer to Fuel Pump Control Circuit [11/2015 - 07/2020] , or refer to Fuel Pump Control Circuit [07/2020 - ]
	Fuel pump	Refer to INSPECTION [11/2015 - 12/2018] , or refer to INSPECTION [12/2018 - ]
	Valve timing	Refer to PROCEDURE - Step 6 [11/2015 - 12/2018] , or refer to PROCEDURE - Step 6 [12/2018 - 07/2020] , or refer to PROCEDURE - Step 6 [07/2020 - ]
Engine cranks normally but difficult to start	Fuel pump control circuit	Refer to Fuel Pump Control Circuit [11/2015 - 07/2020] , or refer to Fuel Pump Control Circuit [07/2020 - ]
	Fuel pump	Refer to INSPECTION [11/2015 - 12/2018] , or refer to INSPECTION [12/2018 - ]
	Engine coolant temperature sensor	Refer to INSPECTION [11/2015 - ]
	Ignition system	Refer to ON-VEHICLE INSPECTION [11/2015 - ]
	Compression	Refer to PROCEDURE - Step 9 [11/2015 - 08/2016] , or refer to PROCEDURE - Step 9 [08/2016 - 08/2019] , or refer to PROCEDURE - Step 9 [08/2019 - ]
	Fuel injector assembly	Refer to INSPECTION [11/2015 - 12/2018] , or refer to INSPECTION [12/2018 - ]
	Fuel injector circuit	Refer to Fuel Injector Circuit [11/2015 - ]
	Intake system	Refer to ON-VEHICLE INSPECTION [11/2015 - ]
	Throttle body assembly	Refer to INSPECTION [11/2015 - ]
	PCV valve and hose	Refer to COMPONENTS [11/2015 - ]
	EGR valve assembly	Refer to INSPECTION [11/2015 - ]
	ECM power source circuit	Refer to ECM Power Source Circuit [11/2015 - 07/2020] , or refer to ECM Power Source Circuit [07/2020 - ]
Incomplete intermittent combustion occurs (Does not start)	Fuel pump control circuit	Refer to Fuel Pump Control Circuit [11/2015 - 07/2020] , or refer to Fuel Pump Control Circuit [07/2020 - ]
	Fuel pump	Refer to INSPECTION [11/2015 - 12/2018] , or refer to INSPECTION [12/2018 - ]
	Fuel line	-
	Ignition system	Refer to ON-VEHICLE INSPECTION [11/2015 - ]
	Fuel injector circuit	Refer to Fuel Injector Circuit [11/2015 - ]
	EGR valve assembly	Refer to INSPECTION [11/2015 - ]
	ECM power source circuit	Refer to ECM Power Source Circuit [11/2015 - 07/2020] , or refer to ECM Power Source Circuit [07/2020 - ]
	Crankshaft position sensor	Refer to INSPECTION [11/2015 - ]
	Valve timing	Refer to PROCEDURE - Step 6 [11/2015 - 12/2018] , or refer to PROCEDURE - Step 6 [12/2018 - 07/2020] , or refer to PROCEDURE - Step 6 [07/2020 - ]
High engine speed	Throttle body assembly	Refer to INSPECTION [11/2015 - ]
	Intake system	Refer to ON-VEHICLE INSPECTION [11/2015 - ]
	ECM power source circuit	Refer to ECM Power Source Circuit [11/2015 - 07/2020] , or refer to ECM Power Source Circuit [07/2020 - ]
	Engine coolant temperature sensor	Refer to INSPECTION [11/2015 - ]
	PCV valve and hose	Refer to COMPONENTS [11/2015 - ]
Low engine speed (Poor idle)	Throttle body assembly	Refer to INSPECTION [11/2015 - ]
	Fuel pump control circuit	Refer to Fuel Pump Control Circuit [11/2015 - 07/2020] , or refer to Fuel Pump Control Circuit [07/2020 - ]
	Fuel pump	Refer to INSPECTION [11/2015 - 12/2018] , or refer to INSPECTION [12/2018 - ]
	Intake system	Refer to ON-VEHICLE INSPECTION [11/2015 - ]
	PCV valve and hose	Refer to COMPONENTS [11/2015 - ]
Rough idle	Rough idling	Refer to Rough Idling [11/2015 - ]
	Compression	Refer to PROCEDURE - Step 9 [11/2015 - 08/2016] , or refer to PROCEDURE - Step 9 [08/2016 - 08/2019] , or refer to ON-VEHICLE INSPECTION [08/2019 - ]
	Ignition system	Refer to ON-VEHICLE INSPECTION [11/2015 - ]
	Fuel injector circuit	Refer to Fuel Injector Circuit [11/2015 - ]
	ECM power source circuit	Refer to ECM Power Source Circuit [11/2015 - 07/2020] , or refer to ECM Power Source Circuit [07/2020 - ]
	Fuel pump control circuit	Refer to Fuel Pump Control Circuit [11/2015 - 07/2020] , or refer to Fuel Pump Control Circuit [07/2020 - ]
	Fuel pump	Refer to INSPECTION [11/2015 - 12/2018] , or refer to INSPECTION [12/2018 - ]
	Fuel line	-
	Throttle body assembly	Refer to INSPECTION [11/2015 - ]
	Valve timing	Refer to PROCEDURE - Step 6 [11/2015 - 12/2018] , or refer to PROCEDURE - Step 6 [12/2018 - 07/2020] , or refer to PROCEDURE - Step 6 [07/2020 - ]
	Intake system	Refer to ON-VEHICLE INSPECTION [11/2015 - ]
	PCV valve and hose	Refer to COMPONENTS [11/2015 - ]
	Air fuel ratio sensor	Refer to INSPECTION [11/2015 - ]
	Heated oxygen sensor	Refer to INSPECTION [11/2015 - ]
	Mass air flow meter sub-assembly	Refer to ON-VEHICLE INSPECTION [11/2015 - ]
	Manifold absolute pressure sensor	Refer to DTC P0105-11: Manifold Absolute Pressure / Barometric Pressure Sensor Circuit Short to Ground [11/2015 - ]
	Knock control sensor	Refer to INSPECTION [11/2015 - ]
	EGR valve assembly	Refer to INSPECTION [11/2015 - ]
Hunting (Poor idle)	PCV valve and hose	Refer to COMPONENTS [11/2015 - ]
	Air fuel ratio sensor	Refer to INSPECTION [11/2015 - ]
	Mass air flow meter sub-assembly	Refer to ON-VEHICLE INSPECTION [11/2015 - ]
	Drive start control system (for lithium-ion battery)	Refer to Drive Start Control System [11/2015 - 12/2018] , or refer to Drive Start Control [12/2018 - 08/2019] , or refer to Drive Start Control [08/2019 - ]
	Drive start control system (for nickel metal hydride battery)	Refer to Drive Start Control System [11/2015 - 12/2018] , or refer to Drive Start Control [12/2018 - 08/2019] , or refer to Drive Start Control [08/2019 - ]
Hesitation/Poor acceleration (Poor driveability)	Fuel line	-
	Fuel pump	Refer to INSPECTION [11/2015 - 12/2018] , or refer to INSPECTION [12/2018 - ]
	Valve timing	Refer to PROCEDURE - Step 6 [11/2015 - 12/2018] , or refer to PROCEDURE - Step 6 [12/2018 - 07/2020] , or refer to PROCEDURE - Step 6 [07/2020 - ]
	Mass air flow meter sub-assembly	Refer to ON-VEHICLE INSPECTION [11/2015 - ]
	Throttle body assembly	Refer to INSPECTION [11/2015 - ]
	Knock control sensor	Refer to INSPECTION [11/2015 - ]
	Exhaust heat recirculation system (w/ exhaust heat recirculation system)	Refer to PROCEDURE - Step 1 [11/2015 - 08/2016] , or refer to PROCEDURE - Step 1 [08/2016 - 08/2019] , or refer to ON-VEHICLE INSPECTION [08/2019 - 07/2020] , or refer to ON-VEHICLE INSPECTION [07/2020 - ]
	Brake override system (for lithium-ion battery)	Refer to Brake Override System [11/2015 - 12/2018] , or refer to Brake Override System [12/2018 - 08/2019] , or refer to Brake Override System [08/2019 - ]
	Brake override system (for nickel metal hydride battery)	Refer to Brake Override System [11/2015 - 12/2018] , or refer to Brake Override System [12/2018 - 08/2019] , or refer to Brake Override System [08/2019 - ]
	Drive start control system (for lithium-ion battery)	Refer to Drive Start Control System [11/2015 - 12/2018] , or refer to Drive Start Control [12/2018 - 08/2019] , or refer to Drive Start Control [08/2019 - ]
	Drive start control system (for nickel metal hydride battery)	Refer to Drive Start Control System [11/2015 - 12/2018] , or refer to Drive Start Control [12/2018 - 08/2019] , or refer to Drive Start Control [08/2019 - ]
Surging (Poor driveability)	Fuel line	-
	Fuel pump control circuit	Refer to Fuel Pump Control Circuit [11/2015 - 07/2020] , or refer to Fuel Pump Control Circuit [07/2020 - ]
	Fuel pump	Refer to INSPECTION [11/2015 - 12/2018] , or refer to INSPECTION [12/2018 - ]
	Ignition system	Refer to ON-VEHICLE INSPECTION [11/2015 - ]
	Fuel injector assembly	Refer to INSPECTION [11/2015 - 12/2018] , or refer to INSPECTION [12/2018 - ]
Engine stalls soon after starting	Mass air flow meter sub-assembly	Refer to ON-VEHICLE INSPECTION [11/2015 - ]
	Intake system	Refer to ON-VEHICLE INSPECTION [11/2015 - ]
	Fuel pump control circuit	Refer to Fuel Pump Control Circuit [11/2015 - 07/2020] , or refer to Fuel Pump Control Circuit [07/2020 - ]
	Manifold absolute pressure sensor	Refer to DTC P0105-11: Manifold Absolute Pressure / Barometric Pressure Sensor Circuit Short to Ground [11/2015 - ]
	Fuel line	-
	Valve timing	Refer to PROCEDURE - Step 6 [11/2015 - 12/2018] , or refer to PROCEDURE - Step 6 [12/2018 - 07/2020] , or refer to PROCEDURE - Step 6 [07/2020 - ]
	EGR valve assembly	Refer to INSPECTION [11/2015 - ]
Unable/difficult to refuel	Fuel system (canister, refueling valve, roll over valve, fuel tank, etc.)	-