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Problem Symptoms Table

HINT:

Use the table below to help determine the cause of the problem. 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.

SFI SYSTEM 

PROBLEM SYMPTOMS

Symptom Suspected Area See
Engine does not crank (Does not start) Smart access system with push-button start ENGINE DOES NOT START
Immobilizer system HOW TO PROCEED WITH TROUBLESHOOTING
ECM power source circuit ECM POWER SOURCE CIRCUIT
VC output circuit VC OUTPUT CIRCUIT
Cranking holding function circuit CRANKING HOLDING FUNCTION CIRCUIT
Starter (for 2.0 kW Type) INSPECTION
No initial combustion (Does not start) ECM power source circuit ECM POWER SOURCE CIRCUIT
Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT
ECM REMOVAL
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
Difficult to start with cold engine Cranking holding function circuit CRANKING HOLDING FUNCTION CIRCUIT
Ignition system ON-VEHICLE INSPECTION
Spark plug ON-VEHICLE INSPECTION
Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT
Fuel pump for high pressure ON-VEHICLE INSPECTION
Fuel injector for direct injection INSPECTION
Fuel injector for port injection INSPECTION
Difficult to start with warm engine Cranking holding function circuit CRANKING HOLDING FUNCTION CIRCUIT
Fuel injector for port injection INSPECTION
Fuel injector for direct injection INSPECTION
Ignition system ON-VEHICLE INSPECTION
Spark plug ON-VEHICLE INSPECTION
Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT
Fuel pump for high pressure ON-VEHICLE INSPECTION
High engine idle speed (Poor idling) ECM power source circuit ECM POWER SOURCE CIRCUIT
A/C signal circuit (compressor circuit) HOW TO PROCEED WITH TROUBLESHOOTING
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
Air induction system ON-VEHICLE INSPECTION
Ventilation hose ON-VEHICLE INSPECTION
Low engine idle speed (Poor idling) A/C signal circuit (compressor circuit) HOW TO PROCEED WITH TROUBLESHOOTING
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
Air induction system ON-VEHICLE INSPECTION
Ventilation hose ON-VEHICLE INSPECTION
Rough idling (Poor idling) Compression ON-VEHICLE INSPECTION
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
Air induction system ON-VEHICLE INSPECTION
Ventilation hose ON-VEHICLE INSPECTION
Hunting (Poor idling) ECM power source circuit ECM POWER SOURCE CIRCUIT
Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT
Fuel pump for high pressure ON-VEHICLE INSPECTION
Spark plug ON-VEHICLE INSPECTION
Ignition system ON-VEHICLE INSPECTION
Fuel injector for port injection INSPECTION
Fuel injector for direct injection 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
Air induction system ON-VEHICLE INSPECTION
Ventilation hose ON-VEHICLE INSPECTION
Hesitation/Poor acceleration (Poor driveability) Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT
Fuel pump for high pressure ON-VEHICLE INSPECTION
Spark plug ON-VEHICLE INSPECTION
Ignition system ON-VEHICLE INSPECTION
Fuel injector for port injection INSPECTION
Fuel injector for direct injection INSPECTION
Surging (Poor driveability) Spark plug ON-VEHICLE INSPECTION
Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT
Fuel pump for high pressure ON-VEHICLE INSPECTION
Ignition system ON-VEHICLE INSPECTION
Fuel injector for port injection INSPECTION
Fuel injector for direct injection INSPECTION
Engine stalls soon after starting Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT
Fuel pump for high pressure ON-VEHICLE INSPECTION
Spark plug ON-VEHICLE INSPECTION
Ignition system ON-VEHICLE INSPECTION
Fuel injector for port injection INSPECTION
Fuel injector for direct injection INSPECTION
Engine stalls during A/C operation A/C signal circuit (compressor circuit) HOW TO PROCEED WITH TROUBLESHOOTING
ECM REMOVAL
Unable/difficult to refuel Refueling valve (canister) -