Problem Symptoms Table

HINT:

When a malfunction is not confirmed by a DTC (Diagnostic Trouble Code) check and the cause of problem cannot be identified through a basic inspection, troubleshoot according to the priority order indicated in the table below.

SFI SYSTEM

PROBLEM SYMPTOMS TABLE

Symptom	Suspected Area	Information
Engine does not crank (Does not start)	Immobilizer system	HOW TO PROCEED WITH TROUBLESHOOTING
	Starter (for Standard)	INSPECTION
	Starter (for Cold Area)	INSPECTION
	STARTER relay	INSPECTION
No initial combustion (Does not start)	ECM power source circuit	ECM POWER SOURCE CIRCUIT
	Fuel pump control circuit	FUEL PUMP CONTROL CIRCUIT
	VC output circuit	VC OUTPUT CIRCUIT
	ECM	ECM
Engine cranks normally but difficult to start	Fuel pump control circuit	FUEL PUMP CONTROL CIRCUIT
Engine cranks normally but difficult to start	Compression	ON-VEHICLE INSPECTION
Difficult to start with cold engine	Starter signal circuit	DTC P0617: STARTER RELAY CIRCUIT HIGH
	Fuel pump control circuit	FUEL PUMP CONTROL CIRCUIT
	Spark plug	ON-VEHICLE INSPECTION
	Ignition system	DTC P0351, P0352, P0353, P0354, P0355, P0356: IGNITION COIL "A" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "B" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "C" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "D" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "E" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "F" PRIMARY/SECONDARY CIRCUIT
	Injector	DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306: RANDOM/MULTIPLE CYLINDER MISFIRE DETECTED; CYLINDER 1 MISFIRE DETECTED; CYLINDER 2 MISFIRE DETECTED; CYLINDER 3 MISFIRE DETECTED; CYLINDER 4 MISFIRE DETECTED; CYLINDER 5 MISFIRE DETECTED; CYLINDER 6 MISFIRE DETECTED
Difficult to start with warm engine	Starter signal circuit	DTC P0617: STARTER RELAY CIRCUIT HIGH
	Fuel pump control circuit	FUEL PUMP CONTROL CIRCUIT
	Spark plug	ON-VEHICLE INSPECTION
	Ignition system	DTC P0351, P0352, P0353, P0354, P0355, P0356: IGNITION COIL "A" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "B" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "C" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "D" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "E" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "F" PRIMARY/SECONDARY CIRCUIT
	Injector	DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306: RANDOM/MULTIPLE CYLINDER MISFIRE DETECTED; CYLINDER 1 MISFIRE DETECTED; CYLINDER 2 MISFIRE DETECTED; CYLINDER 3 MISFIRE DETECTED; CYLINDER 4 MISFIRE DETECTED; CYLINDER 5 MISFIRE DETECTED; CYLINDER 6 MISFIRE DETECTED
High engine idling speed (Poor idling)	A/C signal circuit (compressor circuit)	COMPRESSOR CIRCUIT
	ECM power source circuit	ECM POWER SOURCE CIRCUIT
	Electronic throttle control system	DTC P0120, P0122, P0123, P0220, P0222, P0223, P2135: THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT; THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT LOW INPUT; THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT HIGH INPUT; THROTTLE/PEDAL POSITION SENSOR/SWITCH "B" CIRCUIT; THROTTLE/PEDAL POSITION SENSOR WITCH "B" CIRCUIT LOW INPUT; THROTTLE/PEDAL POSITION SENSOR/SWITCH "B" CIRCUIT HIGH INPUT; THROTTLE/PEDAL POSITION SENSOR/SWITCH "A"/"B" VOLTAGE CORRELATION
	Air induction system	-
	PCV hose	-
Low engine idling speed (Poor idling)	A/C signal circuit (compressor circuit)	COMPRESSOR CIRCUIT
	Fuel pump control circuit	FUEL PUMP CONTROL CIRCUIT
	Electronic throttle control system	DTC P0120, P0122, P0123, P0220, P0222, P0223, P2135: THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT; THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT LOW INPUT; THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT HIGH INPUT; THROTTLE/PEDAL POSITION SENSOR/SWITCH "B" CIRCUIT; THROTTLE/PEDAL POSITION SENSOR WITCH "B" CIRCUIT LOW INPUT; THROTTLE/PEDAL POSITION SENSOR/SWITCH "B" CIRCUIT HIGH INPUT; THROTTLE/PEDAL POSITION SENSOR/SWITCH "A"/"B" VOLTAGE CORRELATION
	Air induction system	-
	PCV hose	-
Rough idling (Poor idling)	Compression	ON-VEHICLE INSPECTION
	Fuel pump control circuit	FUEL PUMP CONTROL CIRCUIT
	Electronic throttle control system	DTC P0120, P0122, P0123, P0220, P0222, P0223, P2135: THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT; THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT LOW INPUT; THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT HIGH INPUT; THROTTLE/PEDAL POSITION SENSOR/SWITCH "B" CIRCUIT; THROTTLE/PEDAL POSITION SENSOR WITCH "B" CIRCUIT LOW INPUT; THROTTLE/PEDAL POSITION SENSOR/SWITCH "B" CIRCUIT HIGH INPUT; THROTTLE/PEDAL POSITION SENSOR/SWITCH "A"/"B" VOLTAGE CORRELATION
	Air induction system	-
	PCV hose	-
Hunting (Poor idling)	ECM power source circuit	ECM POWER SOURCE CIRCUIT
	Fuel pump control circuit	FUEL PUMP CONTROL CIRCUIT
	Spark plug	ON-VEHICLE INSPECTION
	Ignition system	DTC P0351, P0352, P0353, P0354, P0355, P0356: IGNITION COIL "A" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "B" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "C" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "D" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "E" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "F" PRIMARY/SECONDARY CIRCUIT
	Injector	DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306: RANDOM/MULTIPLE CYLINDER MISFIRE DETECTED; CYLINDER 1 MISFIRE DETECTED; CYLINDER 2 MISFIRE DETECTED; CYLINDER 3 MISFIRE DETECTED; CYLINDER 4 MISFIRE DETECTED; CYLINDER 5 MISFIRE DETECTED; CYLINDER 6 MISFIRE DETECTED
	Electronic throttle control system	DTC P0120, P0122, P0123, P0220, P0222, P0223, P2135: THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT; THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT LOW INPUT; THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT HIGH INPUT; THROTTLE/PEDAL POSITION SENSOR/SWITCH "B" CIRCUIT; THROTTLE/PEDAL POSITION SENSOR WITCH "B" CIRCUIT LOW INPUT; THROTTLE/PEDAL POSITION SENSOR/SWITCH "B" CIRCUIT HIGH INPUT; THROTTLE/PEDAL POSITION SENSOR/SWITCH "A"/"B" VOLTAGE CORRELATION
	Air induction system	-
	PCV hose	-
Hesitation/Poor acceleration (Poor driveability)	Fuel pump control circuit	FUEL PUMP CONTROL CIRCUIT
	A/T faulty (A750F)	HOW TO PROCEED WITH TROUBLESHOOTING
	A/T faulty (A750E)	HOW TO PROCEED WITH TROUBLESHOOTING
	Spark plug	ON-VEHICLE INSPECTION
	Ignition system	DTC P0351, P0352, P0353, P0354, P0355, P0356: IGNITION COIL "A" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "B" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "C" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "D" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "E" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "F" PRIMARY/SECONDARY CIRCUIT
	Injector	DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306: RANDOM/MULTIPLE CYLINDER MISFIRE DETECTED; CYLINDER 1 MISFIRE DETECTED; CYLINDER 2 MISFIRE DETECTED; CYLINDER 3 MISFIRE DETECTED; CYLINDER 4 MISFIRE DETECTED; CYLINDER 5 MISFIRE DETECTED; CYLINDER 6 MISFIRE DETECTED
Surging (Poor driveability)	Fuel pump control circuit	FUEL PUMP CONTROL CIRCUIT
	Spark plug	ON-VEHICLE INSPECTION
	Ignition system	DTC P0351, P0352, P0353, P0354, P0355, P0356: IGNITION COIL "A" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "B" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "C" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "D" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "E" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "F" PRIMARY/SECONDARY CIRCUIT
	Injector	DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306: RANDOM/MULTIPLE CYLINDER MISFIRE DETECTED; CYLINDER 1 MISFIRE DETECTED; CYLINDER 2 MISFIRE DETECTED; CYLINDER 3 MISFIRE DETECTED; CYLINDER 4 MISFIRE DETECTED; CYLINDER 5 MISFIRE DETECTED; CYLINDER 6 MISFIRE DETECTED
Engine stalls soon after starting	Fuel pump control circuit	FUEL PUMP CONTROL CIRCUIT
	Spark plug	ON-VEHICLE INSPECTION
	Ignition system	DTC P0351, P0352, P0353, P0354, P0355, P0356: IGNITION COIL "A" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "B" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "C" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "D" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "E" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "F" PRIMARY/SECONDARY CIRCUIT
	Injector	DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306: RANDOM/MULTIPLE CYLINDER MISFIRE DETECTED; CYLINDER 1 MISFIRE DETECTED; CYLINDER 2 MISFIRE DETECTED; CYLINDER 3 MISFIRE DETECTED; CYLINDER 4 MISFIRE DETECTED; CYLINDER 5 MISFIRE DETECTED; CYLINDER 6 MISFIRE DETECTED
Engine stalls during A/C operation	A/C signal circuit (Compressor circuit)	COMPRESSOR CIRCUIT
Engine stalls during A/C operation	ECM	ECM
Unable/difficult to refuel	Refueling valve (canister)	-