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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

Symptom Suspected Area See
Engine does not crank (Does not start) Smart access system with push-button start Refer to HOW TO PROCEED WITH TROUBLESHOOTING
Immobiliser system Refer to HOW TO PROCEED WITH TROUBLESHOOTING
ECM power source circuit Refer to ECM Power Source Circuit
VC output circuit Refer to VC Output Circuit
Cranking holding function circuit Refer to Cranking Holding Function Circuit
Starter Refer to INSPECTION
No initial combustion (Does not start) ECM power source circuit Refer to ECM Power Source Circuit
Fuel pump control circuit Refer to Fuel Pump Control Circuit
ECM -
Engine cranks normally but difficult to start Fuel pump control circuit Refer to Fuel Pump Control Circuit
Fuel pump for high pressure Refer to ON-VEHICLE INSPECTION
Compression Refer to ON-VEHICLE INSPECTION
Difficult to start with cold engine Cranking holding function circuit Refer to Cranking Holding Function Circuit
Ignition system Refer to ON-VEHICLE INSPECTION
Spark plug Refer to ON-VEHICLE INSPECTION
Fuel pump control circuit Refer to Fuel Pump Control Circuit
Fuel pump for high pressure Refer to ON-VEHICLE INSPECTION
Fuel injector for direct injection Refer to INSPECTION
Fuel injector for port injection Refer to INSPECTION
Difficult to start with warm engine Cranking holding function circuit Refer to Cranking Holding Function Circuit
Fuel injector for port injection Refer to INSPECTION
Fuel injector for direct injection Refer to INSPECTION
Ignition system Refer to ON-VEHICLE INSPECTION
Spark plug Refer to ON-VEHICLE INSPECTION
Fuel pump control circuit Refer to Fuel Pump Control Circuit
Fuel pump for high pressure Refer to ON-VEHICLE INSPECTION
High engine idle speed (Poor idling) ECM power source circuit Refer to ECM Power Source Circuit
A/C signal circuit (compressor circuit) Refer to HOW TO PROCEED WITH TROUBLESHOOTING
Electronic throttle control system Refer to 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 Refer to ON-VEHICLE INSPECTION
Ventilation hose Refer to ON-VEHICLE INSPECTION
Low engine idle speed (Poor idling) A/C signal circuit (compressor circuit) Refer to HOW TO PROCEED WITH TROUBLESHOOTING
Fuel pump control circuit Refer to Fuel Pump Control Circuit
Fuel pump for high pressure Refer to ON-VEHICLE INSPECTION
Electronic throttle control system Refer to 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 Refer to ON-VEHICLE INSPECTION
Ventilation hose Refer to ON-VEHICLE INSPECTION
Rough idling (Poor idling) Compression Refer to ON-VEHICLE INSPECTION
Fuel pump control circuit Refer to Fuel Pump Control Circuit
Fuel pump for high pressure Refer to ON-VEHICLE INSPECTION
Electronic throttle control system Refer to 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 Refer to ON-VEHICLE INSPECTION
Ventilation hose Refer to ON-VEHICLE INSPECTION
Hunting (Poor idling) ECM power source circuit Refer to ECM Power Source Circuit
Fuel pump control circuit Refer to Fuel Pump Control Circuit
Fuel pump for high pressure Refer to ON-VEHICLE INSPECTION
Spark plug Refer to ON-VEHICLE INSPECTION
Ignition system Refer to ON-VEHICLE INSPECTION
Fuel injector for port injection Refer to INSPECTION
Fuel injector for direct injection Refer to INSPECTION
Electronic throttle control system Refer to 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 Refer to ON-VEHICLE INSPECTION
Ventilation hose Refer to ON-VEHICLE INSPECTION
Hesitation/Poor acceleration (Poor driveability) Fuel pump control circuit Refer to Fuel Pump Control Circuit
Fuel pump for high pressure Refer to ON-VEHICLE INSPECTION
Spark plug Refer to ON-VEHICLE INSPECTION
Ignition system Refer to ON-VEHICLE INSPECTION
Fuel injector for port injection Refer to INSPECTION
Fuel injector for direct injection Refer to INSPECTION
Surging (Poor driveability) Spark plug Refer to ON-VEHICLE INSPECTION
Fuel pump control circuit Refer to Fuel Pump Control Circuit
Fuel pump for high pressure Refer to ON-VEHICLE INSPECTION
Ignition system Refer to ON-VEHICLE INSPECTION
Fuel injector for port injection Refer to INSPECTION
Fuel injector for direct injection Refer to INSPECTION
Engine stalls soon after starting Fuel pump control circuit Refer to Fuel Pump Control Circuit
Fuel pump for high pressure Refer to ON-VEHICLE INSPECTION
Spark plug Refer to ON-VEHICLE INSPECTION
Ignition system Refer to ON-VEHICLE INSPECTION
Fuel injector for port injection Refer to INSPECTION
Fuel injector for direct injection Refer to INSPECTION
Engine stalls during A/C operation A/C signal circuit (compressor circuit) Refer to HOW TO PROCEED WITH TROUBLESHOOTING
ECM -
Unable/difficult to refuel Refueling valve (canister) -
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