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Home >> Toyota >> 2016 >> Sienna L, Van Cargo >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System [2GR-FE] - Diagnostics - Introduction >> SFI System >> Problem Symptoms Table [12/2015 - 08/2016] >> Problem Symptoms Table [12/2015 - 08/2016]
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Problem Symptoms Table [12/2015 - 08/2016]

HINT: 

SFI SYSTEM

Symptom Suspected Area Reference
Engine does not crank (Does not start) Battery Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Starter assembly Refer to INSPECTION [12/2015 - 08/2016]
Starter relay Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Starter signal circuit Refer to Starter Signal Circuit [12/2015 - 08/2016]
Smart key system (for start function) Refer to PROBLEM SYMPTOMS TABLE [12/2015 - 08/2016]
Park/neutral position switch (for 2WD) Refer to INSPECTION [12/2015 - 08/2016]
Park/neutral position switch (for AWD) Refer to INSPECTION [12/2015 - 08/2016]
VC output circuit (w/ smart key system) Refer to VC Output Circuit [12/2015 - 08/2016]
No initial combustion (Does not start) ECM power source circuit Refer to ECM Power Source Circuit [12/2015 - 08/2016]
VC output circuit (w/o smart key system) Refer to VC Output Circuit [12/2015 - 08/2016]
Crankshaft position sensor Refer to INSPECTION [12/2015 - 08/2016]
Ignition system Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Fuel pump control circuit Refer to Fuel Pump Control Circuit [12/2015 - 08/2016]
Fuel pump Refer to INSPECTION [12/2015 - 08/2016]
Fuel injector circuit Refer to Fuel Injector Circuit [12/2015 - 08/2016]
Valve timing Refer to PROCEDURE - Step 17
VVT sensor (for intake side of bank1, 2) Refer to CAUTION / NOTICE / HINT
VVT sensor (for exhaust side of bank1, 2) Refer to CAUTION / NOTICE / HINT
Cranking holding function circuit Refer to Cranking Holding Function Circuit [12/2015 - 08/2016]
Starter signal circuit Refer to Starter Signal Circuit [12/2015 - 08/2016]
Engine immobilizer system (w/ smart key system) Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2015 - 08/2016]
Engine immobilizer system (w/o smart key system) Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2015 - 08/2016]
ECM Refer to TERMINALS OF ECM [12/2015 - 08/2016] 
Engine cranks normally but difficult to start Fuel pump control circuit Refer to Fuel Pump Control Circuit [12/2015 - 08/2016]
Fuel pump Refer to INSPECTION [12/2015 - 08/2016]
Fuel injector circuit Refer to Fuel Injector Circuit [12/2015 - 08/2016]
ECM power source circuit Refer to ECM Power Source Circuit [12/2015 - 08/2016]
Cranking holding function circuit Refer to Cranking Holding Function Circuit [12/2015 - 08/2016]
Starter signal circuit Refer to Starter Signal Circuit [12/2015 - 08/2016]
Engine coolant temperature sensor Refer to INSPECTION [12/2015 - 08/2016]
Intake system Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Ignition system Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Spark plug Refer to PROCEDURE - Step 2
Fuel injector assembly Refer to INSPECTION [12/2015 - 08/2016]
Compression Refer to PROCEDURE - Step 11
Intake system Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Throttle body with motor assembly Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Incomplete intermittent combustion occurs (Does not start) Fuel pump control circuit Refer to Fuel Pump Control Circuit [12/2015 - 08/2016]
Fuel pump Refer to INSPECTION [12/2015 - 08/2016]
Fuel line Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Ignition circuit Refer to DTC P0351: Ignition Coil "A" Primary / Secondary Circuit; DTC P0352: Ignition Coil "B" Primary / Secondary Circuit; DTC P0353: Ignition Coil "C" Primary / Secondary Circuit; DTC P0354: Ignition Coil "D" Primary / Secondary Circuit; DTC P0355: Ignition Coil "E" Primary / Secondary Circuit; DTC P0356: Ignition Coil "F" Primary / Secondary Circuit [12/2015 - 08/2016]
Ignition system Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Fuel injector circuit Refer to Fuel Injector Circuit [12/2015 - 08/2016]
Fuel injector assembly Refer to INSPECTION [12/2015 - 08/2016]
ECM power source circuit Refer to ECM Power Source Circuit [12/2015 - 08/2016]
Cranking holding function circuit Refer to Cranking Holding Function Circuit [12/2015 - 08/2016]
Starter signal circuit Refer to Starter Signal Circuit [12/2015 - 08/2016]
Crankshaft position sensor Refer to INSPECTION [12/2015 - 08/2016]
VVT sensor (for intake side of bank1, 2) Refer to CAUTION / NOTICE / HINT
VVT sensor (for exhaust side of bank1, 2) Refer to CAUTION / NOTICE / HINT
Engine immobilizer system (w/ smart key system) Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2015 - 08/2016]
Engine immobilizer system (w/o smart key system) Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2015 - 08/2016]
Valve timing Refer to PROCEDURE - Step 17
High engine speed
(Poor idle)
Throttle body with motor assembly Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Intake system Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
A/C signal circuit Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2015 - ]
ECM power source circuit Refer to ECM Power Source Circuit [12/2015 - 08/2016]
Engine coolant temperature sensor Refer to INSPECTION [12/2015 - 08/2016]
PCV valve and hose Refer to COMPONENTS [12/2015 - 08/2016]
ACIS control circuit Refer to ACIS Control Circuit [12/2015 - 08/2016]
Low engine speed
(Poor idle)
Throttle body with motor assembly Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
A/C signal circuit Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2015 - ]
Fuel pump control circuit Refer to Fuel Pump Control Circuit [12/2015 - 08/2016]
Fuel pump Refer to INSPECTION [12/2015 - 08/2016]
Intake system Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
PCV valve and hose Refer to COMPONENTS [12/2015 - 08/2016]
ACIS control circuit Refer to ACIS Control Circuit [12/2015 - 08/2016]
Engine stalls on deceleration Idle speed (refer to "Low engine speed") Refer to PROCEDURE - Step 10
Rough idle Compression Refer to PROCEDURE - Step 11
Ignition system Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Spark plug Refer to PROCEDURE - Step 2
Fuel injector circuit Refer to Fuel Injector Circuit [12/2015 - 08/2016]
ECM power source circuit Refer to ECM Power Source Circuit [12/2015 - 08/2016]
Fuel pump control circuit Refer to Fuel Pump Control Circuit [12/2015 - 08/2016]
Fuel pump Refer to INSPECTION [12/2015 - 08/2016]
Fuel line Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Throttle body with motor assembly Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Intake system Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
PCV valve and hose Refer to COMPONENTS [12/2015 - 08/2016]
Air fuel ratio sensor Refer to INSPECTION [12/2015 - 08/2016]
Heated oxygen sensor Refer to INSPECTION [12/2015 - 08/2016]
Mass air flow meter Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Knock sensor Refer to INSPECTION [12/2015 - 08/2016]
ACIS control circuit Refer to ACIS Control Circuit [12/2015 - 08/2016]
External part malfunction (Increase in load: A/C system, CVT system, etc.) -
Hunting (Poor idling) Throttle body with motor assembly Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Intake system Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
PCV valve and hose Refer to COMPONENTS [12/2015 - 08/2016]
Air fuel ratio sensor Refer to INSPECTION [12/2015 - 08/2016]
Mass air flow meter Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
ACIS control circuit Refer to ACIS Control Circuit [12/2015 - 08/2016]
Hesitation/Poor acceleration Fuel pump control circuit Refer to Fuel Pump Control Circuit [12/2015 - 08/2016]
Fuel pump Refer to INSPECTION [12/2015 - 08/2016]
Fuel line Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Spark plug Refer to PROCEDURE - Step 2
Ignition system Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Fuel injector circuit Refer to Fuel Injector Circuit [12/2015 - 08/2016]
ECM power source circuit Refer to ECM Power Source Circuit [12/2015 - 08/2016]
Mass air flow meter Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Throttle body with motor assembly Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Intake system Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Valve timing Refer to PROCEDURE - Step 17
Compression Refer to PROCEDURE - Step 11
Brake override system Refer to Brake Override System [12/2015 - 08/2016]
Surging (Poor driveability) Spark plug Refer to PROCEDURE - Step 2
Fuel pump control circuit Refer to Fuel Pump Control Circuit [12/2015 - 08/2016]
Fuel pump Refer to INSPECTION [12/2015 - 08/2016]
Ignition system Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Fuel injector circuit Refer to Fuel Injector Circuit [12/2015 - 08/2016]
Fuel injector assembly Refer to INSPECTION [12/2015 - 08/2016]
ECM power source circuit Refer to ECM Power Source Circuit [12/2015 - 08/2016]
Mass air flow meter Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Variable Valve Timing (VVT) system Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Compression Refer to PROCEDURE - Step 11
Engine stalls soon after starting Fuel pump control circuit Refer to Fuel Pump Control Circuit [12/2015 - 08/2016]
Fuel pump Refer to INSPECTION [12/2015 - 08/2016]
Spark plug Refer to PROCEDURE - Step 2
Ignition system Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Fuel injector circuit Refer to Fuel Injector Circuit [12/2015 - 08/2016]
ECM power source circuit Refer to ECM Power Source Circuit [12/2015 - 08/2016]
Mass air flow meter Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Variable Valve Timing (VVT) system Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Throttle body with motor assembly Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
Intake system Refer to ON-VEHICLE INSPECTION [12/2015 - 08/2016]
PCV valve and hose Refer to COMPONENTS [12/2015 - 08/2016]
Compression Refer to PROCEDURE - Step 11
Engine stalls only during A/C operation A/C signal circuit Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2015 - ]
ECM Refer to TERMINALS OF ECM [12/2015 - 08/2016] 
Engine vibrates frequently when idling
(Active control engine mount system)
Active control engine mount system Refer to Active Control Engine Mount System [12/2015 - 08/2016]
Unable/difficult to refuel Fuel system (canister, rollover valve, fuel tank etc.) -