2001 NISSAN ALMERA N16 Electronic Repair Manual

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Page 433 of 2493

NISSAN ALMERA N16 2001 Electronic Repair Manual TERMI-
NAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
61 G Mass air flow sensor[Engine is running]
+Warm-up condition
+Idle speed1.0 - 1.7V
[Engine is running]
+Warm-up condition
+Engine speed is 2

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NISSAN ALMERA N16 2001 Electronic Repair Manual TERMI-
NAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
72* P/B EGR temperature sensor[Engine is running]
+Warm-up condition
+Idle speedLess than 4.5V
[Engine is running]
+Warm-up condition
+EGR syst

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NISSAN ALMERA N16 2001 Electronic Repair Manual TERMI-
NAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
93 G/R Data link connector[Engine is running]
+Idle speed (CONSULT-II or GST is discon-
nected)Approximately 0V
101
103
105
107R/B
YB
GB
L/BInj

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NISSAN ALMERA N16 2001 Electronic Repair Manual DescriptionNJEC1265The specification (SP) value indicates the tolerance of the value that is displayed in ªDATA MONITOR (SPEC)º
mode of CONSULT-II during normal operation of the Engine Control Syste

DescriptionNJEC1265The specification (SP) value indicates the tolerance of the value that is displayed in ªDATA MONITOR (SPEC)º
mode of CONSULT-II during normal operation of the Engine Control System. When the value in ªDATA MONI-
TOR (SPEC)º mode is within the SP value, the Engine Control System is confirmed OK. When the value in
ªDATA MONITOR (SPEC)º mode is NOT within the SP value, the Engine Control System may have one or
more malfunctions.
The SP value is used to detect malfunctions that may affect the Engine Control System, but will not light the
MIL.
The SP value will be displayed for the following three items:
+B/FUEL SCHDL (The fuel injection pulse width programmed into ECM prior to any learned on board cor-
rection)
+A/F ALPHA-B1 (The mean value of air-fuel ratio feedback correction factor per cycle)
+MAS A/F SE-B1 (The signal voltage of the mass air flow sensor)
Testing ConditionNJEC1266+Vehicle driven distance: More than 5,000 km (3,017 miles)
+Barometric pressure: 98.3 - 104.3 kPa (0.983 - 1.043 bar, 1.003 - 1.064 kg/cm2, 14.25 - 15.12 psi)
+Atmospheric temperature: 20 - 30ÉC (68 - 86ÉF)
+Engine coolant temperature: 75 - 95ÉC (167 - 203ÉF)
+Transmission: Warmed-up*1
+Electrical load: Not applied*2
+Engine speed: Idle
*1: For A/T or CVT models, after the engine is warmed up to normal operating temperature, drive vehicle until
ªFLUID TEMP SEº (A/T or CVT fluid temperature sensor signal) indicates less than 0.9V. For M/T models, drive
vehicle for 5 minutes after the engine is warmed up to normal operating temperature.
*2: Rear window defogger switch, air conditioner switch, lighting switch are ªOFFº. Cooling fans are not oper-
ating. Steering wheel is straight ahead.
SEF601Z
Inspection ProcedureNJEC1267NOTE:
Perform ªDATA MONITOR (SPEC)º mode in maximum scale dis-
play.
1. Perform ªBasic Inspectionº, EC-98.
2. Confirm that the testing conditions indicated above are met.
3. Select ªB/FUEL SCHDLº, ªA/F ALPHA-B1º and ªMAS A/F
SE-B1º in ªDATA MONITOR (SPEC)º mode with CONSULT-II.
4. Make sure that monitor items are within the SP value.
5. If NG, go to ªDiagnostic Procedureº, EC-141.
TROUBLE DIAGNOSIS Ð SPECIFICATION VALUEQG
Description
EC-140

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NISSAN ALMERA N16 2001 Electronic Repair Manual Diagnostic ProcedureNJEC1268
SEF613ZA
TROUBLE DIAGNOSIS Ð SPECIFICATION VALUEQG
Diagnostic Procedure
EC-141

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NISSAN ALMERA N16 2001 Electronic Repair Manual SEF768Z
TROUBLE DIAGNOSIS Ð SPECIFICATION VALUEQG
Diagnostic Procedure (Contd)
EC-142

Page 439 of 2493

NISSAN ALMERA N16 2001 Electronic Repair Manual SEF615Z
TROUBLE DIAGNOSIS Ð SPECIFICATION VALUEQG
Diagnostic Procedure (Contd)
EC-143

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NISSAN ALMERA N16 2001 Electronic Repair Manual DescriptionNJEC0045Intermittent incidents (I/I) may occur. In many cases, the problem resolves itself (the part or circuit function
returns to normal without intervention). It is important to realize

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