2009 NISSAN LATIO Service Repair Manual

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NISSAN LATIO 2009  Service Repair Manual EC
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P0171 FUEL INJECTION SYSTEM FUNCTION
DTC Logic INFOID:0000000004780135
DTC DETECTION LOGIC With  the  Air/Fuel  Mixture  Ratio  Self-Learning  Control,   the  actual  mixture  ratio  can  be

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NISSAN LATIO 2009  Service Repair Manual YES >> Go to 
EC-231, " Diagnosis Procedure " .
NO >> INSPECTION END VHCL SPEED SE 50 - 120 km/h (31 - 75 MPH)

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NISSAN LATIO 2009  Service Repair Manual EC
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Wiring Diagram
INFOID:0000000004780683
Diagnosis Procedure INFOID:0000000004780136 B

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NISSAN LATIO 2009  Service Repair Manual EC-232< COMPONENT DIAGNOSIS >
[HR16DE]
P0171 FUEL INJECTION SYSTEM FUNCTION
2. Listen for an exhaust gas leak before three way catalyst (manifold).
Is exhaust gas leak detected? YES >> Repair or repla

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NISSAN LATIO 2009  Service Repair Manual EC
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NO >> GO TO 5. YES >> Replace “fuel filter and fuel pump assembly”.
NO >> Repair or replace Mass Air Flow Sensor " .
With GST
1. Install all removed parts.
2. Check mass air flow sensor si

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NISSAN LATIO 2009  Service Repair Manual YES >> GO TO 9.
NO >> Replace  fuel  injectors  from  which  fuel  does  not  spray out. Always replace O-ring with new ones. Diagnosis Procedure " .
>> INSPECTION END
Fuel should be sprayed even
ly f

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NISSAN LATIO 2009  Service Repair Manual EC
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P0172 FUEL INJECTION SYSTEM FUNCTION
DTC Logic INFOID:0000000004780137
DTC DETECTION LOGIC With  the  Air/Fuel  Mixture  Ratio  Self-Learning  Control,   the  actual  mixture  ratio  can  be

Page 1592 of 4331

NISSAN LATIO 2009  Service Repair Manual YES >> Go to 
EC-237, " Diagnosis Procedure " .
NO >> INSPECTION END VHCL SPEED SE 50 - 120 km/h (31 - 75 MPH)