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Home >> Toyota >> 2014 >> Prius Five >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Control System (Diagnostics - Introduction) (Plug-In)) >> SFI System >> Problem Symptoms Table [10/2013 - ] >> Problem Symptoms Table [10/2013 - ]
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Problem Symptoms Table [10/2013 - ]

WARNING: This page is about a different variant/trim than selected.

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SFI SYSTEM

Symptom Suspected Area See
Engine does not crank (Does not start) Hybrid control system Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2013 - ]
VC output circuit Refer to VC Output Circuit [10/2013 - ]
No initial combustion (Does not start) ECM power source circuit Refer to ECM Power Source Circuit [10/2013 - ]
VC output circuit Refer to VC Output Circuit [10/2013 - ]
Crankshaft position sensor Refer to INSPECTION [10/2013 - ]
Fuel pump control circuit Refer to Fuel Pump Control Circuit [10/2013 - ]
Ignition system Refer to ON-VEHICLE INSPECTION [10/2013 - ]
Fuel injector circuit Refer to Fuel Injector Circuit [10/2013 - ]
Valve timing Refer to PROCEDURE - Step 7
Engine cranks normally but difficult to start Fuel pump control circuit Refer to Fuel Pump Control Circuit [10/2013 - ]
Fuel pump Refer to INSPECTION [10/2013 - ]
Engine coolant temperature sensor Refer to INSPECTION [10/2013 - ]
Ignition system Refer to ON-VEHICLE INSPECTION [10/2013 - ]
Fuel injector assembly Refer to INSPECTION [10/2013 - ]
Compression Refer to ON-VEHICLE INSPECTION [10/2013 - ] - Step 8
Fuel injector circuit Refer to Fuel Injector Circuit [10/2013 - ]
Intake system Refer to ON-VEHICLE INSPECTION [10/2013 - ]
Throttle body assembly Refer to INSPECTION [10/2013 - ]
EGR valve assembly Refer to INSPECTION [10/2013 - ]
ECM power source circuit Refer to ECM Power Source Circuit [10/2013 - ]
Incomplete intermittent combustion occurs (Does not start) Fuel pump control circuit Refer to Fuel Pump Control Circuit [10/2013 - ]
Fuel pump Refer to INSPECTION [10/2013 - ]
Fuel line -
Ignition system Refer to ON-VEHICLE INSPECTION [10/2013 - ]
Fuel injector assembly Refer to INSPECTION [10/2013 - ]
EGR valve assembly Refer to INSPECTION [10/2013 - ]
Crankshaft position sensor Refer to INSPECTION [10/2013 - ]
Valve timing Refer to PROCEDURE - Step 7
High engine idle speed Throttle body assembly Refer to INSPECTION [10/2013 - ]
Intake system Refer to ON-VEHICLE INSPECTION [10/2013 - ]
Engine coolant temperature sensor Refer to INSPECTION [10/2013 - ]
PCV system Refer to INSPECTION [10/2013 - ]
ECM power source circuit Refer to ECM Power Source Circuit [10/2013 - ]
Low engine idle speed (Poor idle) Fuel pump control circuit Refer to Fuel Pump Control Circuit [10/2013 - ]
Throttle body assembly Refer to INSPECTION [10/2013 - ]
Intake system Refer to ON-VEHICLE INSPECTION [10/2013 - ]
PCV system Refer to INSPECTION [10/2013 - ]
Rough idle Compression Refer to ON-VEHICLE INSPECTION [10/2013 - ] - Step 8
Air fuel ratio sensor Refer to INSPECTION [10/2013 - ]
Heated oxygen sensor Refer to INSPECTION [10/2013 - ]
Mass air flow meter sub-assembly Refer to ON-VEHICLE INSPECTION [10/2013 - ]
Manifold absolute pressure sensor Refer to DTC P0107: Manifold Absolute Pressure / Barometric Pressure Circuit Low Input; DTC P0108: Manifold Absolute Pressure / Barometric Pressure Circuit High Input [10/2013 - ]
Ignition system Refer to ON-VEHICLE INSPECTION [10/2013 - ]
Fuel line -
Valve timing Refer to PROCEDURE - Step 7
Fuel pump Refer to INSPECTION [10/2013 - ]
Intake system Refer to ON-VEHICLE INSPECTION [10/2013 - ]
PCV system Refer to INSPECTION [10/2013 - ]
EGR valve assembly Refer to INSPECTION [10/2013 - ]
Hunting PCV system Refer to INSPECTION [10/2013 - ]
Air fuel ratio sensor Refer to INSPECTION [10/2013 - ]
Mass air flow meter sub-assembly Refer to ON-VEHICLE INSPECTION [10/2013 - ]
Hesitation/Poor acceleration Fuel line -
Fuel pump Refer to INSPECTION [10/2013 - ]
Valve timing Refer to PROCEDURE - Step 7
Mass air flow meter sub-assembly Refer to ON-VEHICLE INSPECTION [10/2013 - ]
Throttle body assembly Refer to INSPECTION [10/2013 - ]
Knock control sensor Refer to INSPECTION [10/2013 - ]
Brake override system Refer to Brake Override System [10/2013 - ]
Surging (Poor driveability) Fuel line -
Fuel pump control circuit Refer to Fuel Pump Control Circuit [10/2013 - ]
Fuel pump Refer to INSPECTION [10/2013 - ]
Ignition system Refer to ON-VEHICLE INSPECTION [10/2013 - ]
Fuel injector assembly Refer to INSPECTION [10/2013 - ]
Engine stalls soon after starting Mass air flow meter sub-assembly Refer to ON-VEHICLE INSPECTION [10/2013 - ]
Intake system Refer to ON-VEHICLE INSPECTION [10/2013 - ]
Manifold absolute pressure sensor Refer to DTC P0107: Manifold Absolute Pressure / Barometric Pressure Circuit Low Input; DTC P0108: Manifold Absolute Pressure / Barometric Pressure Circuit High Input [10/2013 - ]
Fuel line -
Valve timing Refer to PROCEDURE - Step 7
EGR valve assembly Refer to INSPECTION [10/2013 - ]
Engine coolant temperature indicator light illuminate or blinks Engine coolant leaks Refer to ON-VEHICLE INSPECTION [10/2013 - ] - Step 1
Engine water pump assembly Refer to PROCEDURE - Step 1
Exhaust heat recirculation system Refer to ON-VEHICLE INSPECTION [10/2013 - ]
Unable/difficult to refuel Fuel system (canister, refueling valve, roll over valve, fuel tank, etc.) -