Problem Symptoms Table

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

PROBLEM SYMPTOMS CHART

Symptom	Suspected Area	See
Engine does not crank (Does not start)	Smart access system with push-button start	HOW TO PROCEED WITH TROUBLESHOOTING
	Immobilizer system	HOW TO PROCEED WITH TROUBLESHOOTING
	ECM power source circuit	ECM POWER SOURCE CIRCUIT
	Cranking holding function circuit	CRANKING HOLDING FUNCTION CIRCUIT
	Starter	INSPECTION
No initial combustion (Does not start)	ECM power source circuit	ECM POWER SOURCE CIRCUIT
	VC output circuit	VC OUTPUT CIRCUIT
	Fuel pump control circuit	FUEL PUMP CONTROL CIRCUIT
	Crankshaft position sensor	CRANKSHAFT POSITION SENSOR
	Ignition system	IGNITION SYSTEM
	Fuel injector circuit	DTC P0201 INJECTOR CIRCUIT / OPEN - (CYLINDER 1); DTC P0202 INJECTOR CIRCUIT / OPEN - (CYLINDER 2); DTC P0203 INJECTOR CIRCUIT / OPEN - (CYLINDER 3); DTC P0204 I INJECTOR CIRCUIT / OPEN - (CYLINDER 4); DTC P0205 INJECTOR CIRCUIT / OPEN - (CYLINDER 5); DTC P0206 INJECTOR CIRCUIT / OPEN - (CYLINDER 6); DTC P0207 INJECTOR CIRCUIT / OPEN - (CYLINDER 7); DTC P0208 INJECTOR CIRCUIT / OPEN - (CYLINDER 8); DTC P062D FUEL INJECTOR DRIVER CIRCUIT PERFORMANCE BANK 1; DTC P062E FUEL INJECTOR DRIVER CIRCUIT PERFORMANCE BANK 2
	Valve timing	REASSEMBLY
Engine cranks normally but difficult to start	Fuel pump control circuit	FUEL PUMP CONTROL CIRCUIT
	Fuel pump for high pressure	ON-VEHICLE INSPECTION
	Compression	ON-VEHICLE INSPECTION
	Engine coolant temperature sensor	ENGINE COOLANT TEMPERATURE SENSOR
	Ignition system	IGNITION SYSTEM
	Fuel injector circuit	DTC P0201 INJECTOR CIRCUIT / OPEN - (CYLINDER 1); DTC P0202 INJECTOR CIRCUIT / OPEN - (CYLINDER 2); DTC P0203 INJECTOR CIRCUIT / OPEN - (CYLINDER 3); DTC P0204 I INJECTOR CIRCUIT / OPEN - (CYLINDER 4); DTC P0205 INJECTOR CIRCUIT / OPEN - (CYLINDER 5); DTC P0206 INJECTOR CIRCUIT / OPEN - (CYLINDER 6); DTC P0207 INJECTOR CIRCUIT / OPEN - (CYLINDER 7); DTC P0208 INJECTOR CIRCUIT / OPEN - (CYLINDER 8); DTC P062D FUEL INJECTOR DRIVER CIRCUIT PERFORMANCE BANK 1; DTC P062E FUEL INJECTOR DRIVER CIRCUIT PERFORMANCE BANK 2
	Intake system	ON-VEHICLE INSPECTION
	Throttle body	THROTTLE BODY
Incomplete intermittent combustion occurs (Does not start)	Fuel pump control circuit	FUEL PUMP CONTROL CIRCUIT
	Ignition system	IGNITION SYSTEM
	Fuel line	FUEL SYSTEM
	Fuel injector for direct injection	INSPECTION
	Fuel injector for port injection	INSPECTION
	Crankshaft position sensor	CAMSHAFT POSITION SENSOR
High engine speed (Poor idle)	Air conditioning signal circuit	-
	Throttle body	THROTTLE BODY
	Throttle body control	-
	Engine coolant temperature sensor	ENGINE COOLANT TEMPERATURE SENSOR
	PCV hose	ON-VEHICLE INSPECTION
	PCV system	ON-VEHICLE INSPECTION
Low engine idle speed (Poor idle)	Fuel pump control circuit	FUEL PUMP CONTROL CIRCUIT
	Fuel pump for high pressure	ON-VEHICLE INSPECTION
	Electronic throttle control system	DTC P0120 THROTTLE / PEDAL POSITION SENSOR / SWITCH "A" CIRCUIT MALFUNCTION; DTC P0122 THROTTLE / PEDAL POSITION SENSOR / SWITCH "A" CIRCUIT LOW INPUT; DTC P0123 THROTTLE / PEDAL POSITION SENSOR / SWITCH "A" CIRCUIT HIGH INPUT; DTC P0220 THROTTLE / PEDAL POSITION SENSOR / SWITCH "B" CIRCUIT; DTC P0222 THROTTLE / PEDAL POSITION SENSOR / SWITCH "B" CIRCUIT LOW INPUT; DTC P0223 THROTTLE / PEDAL POSITION SENSOR / SWITCH "B" CIRCUIT HIGH INPUT; DTC P2135 THROTTLE / PEDAL POSITION SENSOR / SWITCH "A" / "B" VOLTAGE CORRELATION
	Intake system	ON-VEHICLE INSPECTION
	PCV hose	ON-VEHICLE INSPECTION
Rough idle	Compression	ON-VEHICLE INSPECTION
	Air fuel ratio sensor	AIR FUEL RATIO SENSOR
	Heated oxygen sensor	HEATED OXYGEN SENSOR
	Mass air flow meter	MASS AIR FLOW METER
	Ignition system	IGNITION SYSTEM
	Air conditioning signal circuit	-
	Fuel line (clocked)	-
	Fuel pump for high pressure	ON-VEHICLE INSPECTION
	Electronic throttle control system	DTC P0120 THROTTLE / PEDAL POSITION SENSOR / SWITCH "A" CIRCUIT MALFUNCTION; DTC P0122 THROTTLE / PEDAL POSITION SENSOR / SWITCH "A" CIRCUIT LOW INPUT; DTC P0123 THROTTLE / PEDAL POSITION SENSOR / SWITCH "A" CIRCUIT HIGH INPUT; DTC P0220 THROTTLE / PEDAL POSITION SENSOR / SWITCH "B" CIRCUIT; DTC P0222 THROTTLE / PEDAL POSITION SENSOR / SWITCH "B" CIRCUIT LOW INPUT; DTC P0223 THROTTLE / PEDAL POSITION SENSOR / SWITCH "B" CIRCUIT HIGH INPUT; DTC P2135 THROTTLE / PEDAL POSITION SENSOR / SWITCH "A" / "B" VOLTAGE CORRELATION
	Intake system	ON-VEHICLE INSPECTION
	PCV hose	ON-VEHICLE INSPECTION
Hunting (Poor idle)	PCV hose	ON-VEHICLE INSPECTION
	Mass air flow meter	MASS AIR FLOW METER
	Air fuel ratio sensor	AIR FUEL RATIO SENSOR
Hesitation/Poor acceleration (Poor driveability)	Fuel line	-
	Fuel pump for high pressure	ON-VEHICLE INSPECTION
	Mass air flow meter	MASS AIR FLOW METER
	Valve timing	REASSEMBLY
	Throttle body	THROTTLE BODY
	Knock sensor	KNOCK SENSOR
Surging (Poor driveability)	Fuel line	-
	Fuel pump control circuit	FUEL PUMP CONTROL CIRCUIT
	Fuel pump for high pressure	ON-VEHICLE INSPECTION
	Ignition system	IGNITION SYSTEM
	Fuel injector for port injection	INSPECTION
	Fuel injector for direct injection	INSPECTION
Engine stalls soon after starting	Mass air flow meter	MASS AIR FLOW METER
	Intake system	ON-VEHICLE INSPECTION
	Fuel line	-
Engine stalls during A/C operation	Air conditioning signal circuit (compressor circuit)	HOW TO PROCEED WITH TROUBLESHOOTING
Engine stalls during A/C operation	ECM	-
Unable/difficult to refuel	Refueling valve (canister)	INSPECTION