2009 NISSAN LATIO Service Repair Manual

Page 1977 of 4331

NISSAN LATIO 2009  Service Repair Manual EC
NP
O
Check “A/F ALPHA-B1” for approximately 1 minute because t
hey may fluctuate. It is NG if the indication is
out of the SP value even a little.
OK or NG OK >> GO TO 17.
NG (Less than the SP

Page 1978 of 4331

NISSAN LATIO 2009  Service Repair Manual OK >>
INSPECTION END
NG >> GO TO 9. OK >> GO TO 12.
NG >> GO TO 10. .)
- Fuel injector and its circuit (Refer to  EC-986 .)
- Intake air leakage
- Low compression pressure (Refer to  EM-185, " On-Vehi

Page 1979 of 4331

NISSAN LATIO 2009  Service Repair Manual EC
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OK >>
INSPECTION END
NG >> GO TO 15. OK >>
INSPECTION END
NG >> Detect malfunctioning part according to  EC-583, " Symptom Matrix Chart " .
OK >>
INSPECTION END
NG (More than the SP value)>>GO

Page 1980 of 4331

NISSAN LATIO 2009  Service Repair Manual OK >> 1. Detect malfunctioning part of mass air flow sensor circuit and repair it. Refer to 
EC-655 .
2. GO TO 29.
NG >> GO TO 23. OK >> GO TO 24.
NG (More than the SP value)>>Replace mass air flow se

Page 1981 of 4331

NISSAN LATIO 2009  Service Repair Manual EC
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• Disconnection, looseness, and cracks in air duct
• Looseness of oil filler cap
• Disconnection of oil level gauge
• Open stuck, breakage, hose disconnection, or cracks of PCV valve

Page 1982 of 4331

NISSAN LATIO 2009  Service Repair Manual Emission-related Diagnostic Information " .
>> GO TO 2. Ground Inspection " .
OK or NG OK >> GO TO 3.
NG >> Repair or replace. How  to  Perform  Efficient  Diagnosis  for  an  Electrical  Incident " ,

Page 1983 of 4331

NISSAN LATIO 2009  Service Repair Manual POWER SUPPLY AND GROUND CIRCUIT
EC-627
< SERVICE INFOMATION >
[MR TYPE 1] C
D E
F
G H
I
J
K L
M A EC
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POWER SUPPLY AND GROUND CIRCUIT
Wiring Diagram INFOID:0000000004537069
Specification data are

Page 1984 of 4331

NISSAN LATIO 2009  Service Repair Manual EC-628< SERVICE INFOMATION >
[MR TYPE 1]
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure INFOID:00000000045370701.
INSPECTION START
Start engine.
Is engine running?
Yes  or  No Yes >> GO  TO  8.
N