Problem Symptoms Table

HINT:

Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in descending order in the "Suspected area" column of the table. Check each symptom by checking the suspected areas in the order. Replace parts as necessary.

SFI system:

SFI SYSTEM SPECIFICATIONS

Symptom	Suspected Area	See
Engine does not crank (Does not start)	Battery	PROBLEM SYMPTOMS TABLE
	Starter	REMOVAL
	Starter relay	ON-VEHICLE INSPECTION
	Park / neutral position switch (Automatic transaxle)	ADJUSTMENT
	Clutch pedal switch (Manual transaxle)	CLUTCH PEDAL SWITCH
	Immobiliser system	SYSTEM DESCRIPTION
No initial combustion (Does not start)	ECM power source circuit	ECM POWER SOURCE CIRCUIT
	Crankshaft position sensor	CRANKSHAFT POSITION SENSOR
	Camshaft position sensor	CAMSHAFT POSITION SENSOR
	Ignition system	ON-VEHICLE INSPECTION
	Fuel pump control circuit	FUEL PUMP CONTROL CIRCUIT
	ECM	TERMINALS OF ECM
	VC output circuit	VC OUTPUT CIRCUIT
Engine cranks normally but difficult to start	Fuel pump control circuit	FUEL PUMP CONTROL CIRCUIT
Engine cranks normally but difficult to start	Compression	INSPECTION
Difficult to start with cold engine	Ignition system	ON-VEHICLE INSPECTION
	Spark plug	ON-VEHICLE INSPECTION
	Fuel pump control circuit	FUEL PUMP CONTROL CIRCUIT
	Injector	INSPECTION
Difficult to start with warm engine	Injector	INSPECTION
	ignition system	ON-VEHICLE INSPECTION
	Spark plug	ON-VEHICLE INSPECTION
	Fuel pump control circuit	FUEL PUMP CONTROL CIRCUIT
High engine idle speed	Electronic throttle control system	DTC P2102 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT LOW; DTC P2103 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT HIGH
	A/C signal circuit	-
	ECM power source circuit	ECM POWER SOURCE CIRCUIT
Low engine idle speed (Poor idling)	Electronic throttle control system	DTC P2102 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT LOW; DTC P2103 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT HIGH
	A/C signal circuit	-
	Fuel pump control circuit	FUEL PUMP CONTROL CIRCUIT
	Air induction system	ON-VEHICLE INSPECTION
	PCV hose	ON-VEHICLE INSPECTION
Rough idling	Compression	INSPECTION
	Spark plug	ON-VEHICLE INSPECTION
	Injector	INSPECTION
	Ignition system	ON-VEHICLE INSPECTION
	Fuel pump control circuit	FUEL PUMP CONTROL CIRCUIT
	Electronic throttle control system	DTC P2102 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT LOW; DTC P2103 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT HIGH
	Air induction system	ON-VEHICLE INSPECTION
	PCV hose	ON-VEHICLE INSPECTION
	Mass air flow meter	MASS AIR FLOW METER
Idle hunting	Electronic throttle control system	DTC P2102 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT LOW; DTC P2103 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT HIGH
	Air induction system	ON-VEHICLE INSPECTION
	ECM power source circuit	ECM POWER SOURCE CIRCUIT
Hesitation/Poor acceleration	Fuel pump control circuit	FUEL PUMP CONTROL CIRCUIT
	Spark plug	ON-VEHICLE INSPECTION
	Ignition system	ON-VEHICLE INSPECTION
	Injector	INSPECTION
	Mass air flow meter	MASS AIR FLOW METER
	Electronic throttle control system	DTC P2102 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT LOW; DTC P2103 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT HIGH
	Air induction system	ON-VEHICLE INSPECTION
	Compression	INSPECTION
Surging (Poor driveability)	Spark plug	ON-VEHICLE INSPECTION
	Fuel pump control circuit	FUEL PUMP CONTROL CIRCUIT
	Ignition system	ON-VEHICLE INSPECTION
	Injector	INSPECTION
	Mass air flow meter	MASS AIR FLOW METER
	Variable valve timing system	DTC P0011 CAMSHAFT POSITION "A" - TIMING OVER-ADVANCED OR SYSTEM PERFORMANCE (BANK 1); DTC P0012 CAMSHAFT POSITION "A" - TIMING OVER-RETARDED (BANK 1)
	Compression	INSPECTION
Engine stalls soon after starting	Fuel pump control circuit	FUEL PUMP CONTROL CIRCUIT
	Spark plug	ON-VEHICLE INSPECTION
	Ignition system	ON-VEHICLE INSPECTION
	Injector	INSPECTION
	Variable valve timing system	DTC P0011 CAMSHAFT POSITION "A" - TIMING OVER-ADVANCED OR SYSTEM PERFORMANCE (BANK 1); DTC P0012 CAMSHAFT POSITION "A" - TIMING OVER-RETARDED (BANK 1)
	Electronic throttle control system	DTC P2102 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT LOW; DTC P2103 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT HIGH
	Air induction system	ON-VEHICLE INSPECTION
	PCV hose	ON-VEHICLE INSPECTION
	Compression	INSPECTION
Engine stalls only during A/C operation	A/C signal circuit	-
Engine stalls only during A/C operation	ECM	TERMINALS OF ECM
Unable/difficult to refuel	Refueling valve (canister)	-