Sfi System (For Sedan) Problem Symptoms Table

Engine Hybrid System. Yaris. Ncp93, 131
1Nz-Fe Engine Control. Yaris. Ncp93, 131

Sfi System (For Sedan) -- Problem Symptoms Table


HINT:
  1. Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, 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.
  2. Inspect the fuses and relays related to this system before inspecting the suspected areas below.

SFI SYSTEM
Symptom
Suspected Area
See page
Engine does not crank (Does not start)
Battery
YARIS_NCP93 RM000001E2J01FX_03_0002.html
Starter (for except cold area)
YARIS_NCP93 RM000001ETI020X.html
Starter (for cold area)
YARIS_NCP93 RM000001JH100MX.html
Cranking holding function circuit
YARIS_NCP93 RM000000WZ3082X.html
Starter relay
YARIS_NCP93 RM000001E2C01HX_01_0001.html
Park/neutral position switch
YARIS_NCP93 RM00000191B02TX.html
Clutch start switch
YARIS_NCP93 RM000001B3B00VX.html
No initial combustion (Does not start)
ECM power source circuit
YARIS_NCP93 RM000001DN805UX.html
Crankshaft position sensor
YARIS_NCP93 RM000000TCW0MCX_09_0001.html
Camshaft position sensor
YARIS_NCP93 RM0000012JE06AX_09_0001.html
Ignition system
YARIS_NCP93 RM000001EFG05DX.html
Fuel pump control circuit
YARIS_NCP93 RM000001DN703JX.html
Fuel pump
YARIS_NCP93 RM000000SL602SX.html
Fuel injector circuit
YARIS_NCP93 RM000000ZRM0BTX.html
Valve timing
YARIS_NCP93 RM000000PDU0JZX_09_0005.html
VC output circuit
YARIS_NCP93 RM000001D6V0H7X.html
ECM
YARIS_NCP93 RM000000PDH0GBX.html
Engine immobiliser system
YARIS_NCP93 RM0000012FI00NX.html
Engine cranks normally but difficult to start
Fuel pump control circuit
YARIS_NCP93 RM000001DN703JX.html
Fuel pump
YARIS_NCP93 RM000000SL602SX.html
Fuel injector circuit
YARIS_NCP93 RM000000ZRM0BTX.html
Cranking holding function circuit
YARIS_NCP93 RM000000WZ3082X.html
Engine coolant temperature sensor
YARIS_NCP93 RM000001DBF01ZX.html
Intake system
YARIS_NCP93 RM0000032ZM008X.html
Ignition system
YARIS_NCP93 RM000001EFG05DX.html
Spark plug
YARIS_NCP93 RM000001EFG05DX_01_0002.html
Electronic throttle control system
YARIS_NCP93 RM000001CZB01SX.html
Compression
YARIS_NCP93 RM000001DCF01KX_01_0008.html
ECM power source circuit
YARIS_NCP93 RM000001DN805UX.html
Incomplete intermittent combustion occurs (Does not start)
Fuel pump control circuit
YARIS_NCP93 RM000001DN703JX.html
Fuel pump
YARIS_NCP93 RM000000SL602SX.html
Fuel line
YARIS_NCP93 RM000001EF100YX.html
Ignition system
YARIS_NCP93 RM000001EFG05DX.html
Fuel injector circuit
YARIS_NCP93 RM000000ZRM0BTX.html
ECM power source circuit
YARIS_NCP93 RM000001DN805UX.html
Cranking holding function circuit
YARIS_NCP93 RM000000WZ3082X.html
Crankshaft position sensor
YARIS_NCP93 RM000000TCW0MCX_09_0001.html
Camshaft position sensor
YARIS_NCP93 RM0000012JE06AX_09_0001.html
Valve timing
YARIS_NCP93 RM000000PDU0JZX_09_0005.html
High engine idle speed
Electronic throttle control system
YARIS_NCP93 RM000001CZB01SX.html
Intake system
YARIS_NCP93 RM0000032ZM008X.html
A/C signal circuit
YARIS_NCP93 RM000001CXU00SX.html
ECM power source circuit
YARIS_NCP93 RM000001DN805UX.html
Engine coolant temperature sensor
YARIS_NCP93 RM000001DBF01ZX.html
PCV valve and hose
YARIS_NCP93 RM000001L6B007X.html
Low engine idle speed (Poor idling)
Electronic throttle control system
YARIS_NCP93 RM000001CZB01SX.html
A/C signal circuit
YARIS_NCP93 RM000001CXU00SX.html
Fuel pump control circuit
YARIS_NCP93 RM000001DN703JX.html
Intake system
YARIS_NCP93 RM0000032ZM008X.html
Fuel pump
YARIS_NCP93 RM000000SL602SX.html
PCV valve and hose
YARIS_NCP93 RM000001L6B007X.html
Rough idling
Compression
YARIS_NCP93 RM000001DCF01KX_01_0008.html
Ignition system
YARIS_NCP93 RM000001EFG05DX.html
Spark plug
YARIS_NCP93 RM000001EFG05DX_01_0002.html
Fuel injector circuit
YARIS_NCP93 RM000000ZRM0BTX.html
ECM power source circuit
YARIS_NCP93 RM000001DN805UX.html
Fuel pump control circuit
YARIS_NCP93 RM000001DN703JX.html
Fuel pump
YARIS_NCP93 RM000000SL602SX.html
Fuel line
YARIS_NCP93 RM000001EF100YX.html
Electronic throttle control system
YARIS_NCP93 RM000001CZB01SX.html
Intake system
YARIS_NCP93 RM0000032ZM008X.html
Purge VSV
YARIS_NCP93 RM000001CK400SX.html
PCV valve and hose
YARIS_NCP93 RM000001L6B007X.html
Air fuel ratio sensor
YARIS_NCP93 RM000000WC40K6X_09.html
Heated oxygen sensor
YARIS_NCP93 RM000000TEO09JX_10.html
Mass air flow meter
YARIS_NCP93 RM000001D0M01PX.html
Knock sensor
YARIS_NCP93 RM000001CZI01RX.html
External part malfunction (Increase in load: A/C system, A/T system, etc.)
-
Idle hunting
Electronic throttle control system
YARIS_NCP93 RM000001CZB01SX_01_0001.html
Intake system
YARIS_NCP93 RM0000032ZM008X.html
PCV valve and hose
YARIS_NCP93 RM000001L6B007X.html
Air fuel ratio sensor
YARIS_NCP93 RM000000WC40K6X_09.html
Mass air flow meter
YARIS_NCP93 RM000001D0M01PX.html
Hesitation/Poor acceleration
Fuel pump control circuit
YARIS_NCP93 RM000001DN703JX.html
Fuel pump
YARIS_NCP93 RM000000SL602SX.html
Fuel line
YARIS_NCP93 RM000001EF100YX.html
Spark plug
YARIS_NCP93 RM000001EFG05DX_01_0002.html
Ignition system
YARIS_NCP93 RM000001EFG05DX.html
Fuel injector circuit
YARIS_NCP93 RM000000ZRM0BTX.html
ECM power source circuit
YARIS_NCP93 RM000001DN805UX.html
Mass air flow meter
YARIS_NCP93 RM000001D0M01PX.html
Electronic throttle control system
YARIS_NCP93 RM000001CZB01SX.html
Intake system
YARIS_NCP93 RM0000032ZM008X.html
Valve timing
YARIS_NCP93 RM000000PDU0JZX_09_0005.html
Compression
YARIS_NCP93 RM000001DCF01KX_01_0008.html
Brake override system
YARIS_NCP93 RM000004G8F04GX.html
Surging (Poor driveability)
Spark plug
YARIS_NCP93 RM000001EFG05DX_01_0002.html
Fuel pump control circuit
YARIS_NCP93 RM000001DN703JX.html
Fuel pump
YARIS_NCP93 RM000000SL602SX.html
Ignition system
YARIS_NCP93 RM000001EFG05DX.html
Fuel injector circuit
YARIS_NCP93 RM000000ZRM0BTX.html
ECM power source circuit
YARIS_NCP93 RM000001DN805UX.html
Mass air flow meter
YARIS_NCP93 RM000001D0M01PX.html
Variable valve timing system
YARIS_NCP93 RM000001D0801BX.html
Compression
YARIS_NCP93 RM000001DCF01KX_01_0008.html
Engine stalls soon after starting
Fuel pump control circuit
YARIS_NCP93 RM000001DN703JX.html
Fuel pump
YARIS_NCP93 RM000000SL602SX.html
Spark plug
YARIS_NCP93 RM000001EFG05DX_01_0002.html
Ignition system
YARIS_NCP93 RM000001EFG05DX.html
Fuel injector circuit
YARIS_NCP93 RM000000ZRM0BTX.html
ECM power source circuit
YARIS_NCP93 RM000001DN805UX.html
Mass air flow meter
YARIS_NCP93 RM000001D0M01PX.html
Variable valve timing system
YARIS_NCP93 RM000001D0801BX.html
Electronic throttle control system
YARIS_NCP93 RM000001CZB01SX.html
Intake system
YARIS_NCP93 RM0000032ZM008X.html
PCV valve and hose
YARIS_NCP93 RM000001L6B007X.html
Compression
YARIS_NCP93 RM000001DCF01KX_01_0008.html
Engine stalls only during A/C operation
A/C signal circuit
YARIS_NCP93 RM000001CXS007X.html
ECM
YARIS_NCP93 RM000000PDH0GBX.html
Unable/difficult to refuel
Fuel system (canister, refueling valve, fuel tank, etc.)
YARIS_NCP93 RM000001E2R00BX.html