2003 NISSAN X-TRAIL Electronic Repair Manual

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Page 1561 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSIS
EC-447
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Each value is for reference, the exact value may vary.
SEF241Y

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NISSAN X-TRAIL 2003 Electronic Repair Manual EC-448
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TROUBLE DIAGNOSIS
PBIB0668E

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NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSIS - SPECIFICATION VALUE
EC-449
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TROUBLE DIAGNOSIS - SPECIFICATION VALUEPFP:00031
DescriptionEBS00BFM
The specification (SP) value indic

TROUBLE DIAGNOSIS - SPECIFICATION VALUE
EC-449
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TROUBLE DIAGNOSIS - SPECIFICATION VALUEPFP:00031
DescriptionEBS00BFM
The specification (SP) value indicates the tolerance of the value that is displayed in “DATA MONITOR (SPEC)”
mode of CONSULT-II during normal operation of the Engine Control System. When the value in “DATA MONI-
TOR (SPEC)” mode is within the SP value, the Engine Control System is confirmed OK. When the value in
“DATA MONITOR (SPEC)” 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:
lB/FUEL SCHDL (The fuel injection pulse width programmed into ECM prior to any learned on board cor-
rection)
lA/F ALPHA-B1 (The mean value of air-fuel ratio feedback correction factor per cycle)
lMAS A/F SE-B1 (The signal voltage of the mass air flow sensor)
Testing ConditionEBS00BFN
lVehicle driven distance: More than 5,000 km (3,017 miles)
lBarometric pressure: 98.3 - 104.3 kPa (0.983 - 1.043 bar, 1.003 - 1.064 kg/cm2, 14.25 - 15.12 psi)
lAtmospheric temperature: 20 - 30°C(68-86°F)
lEngine coolant temperature: 75 - 95°C (167 - 203°F)
lTransmission: Warmed-up*1
lElectrical load: Not applied*2
lEngine speed: Idle
*1: For A/T models with CONSULT-II, after the engine is warmed up to normal operating temperature, drive
vehicle until “FLUID TEMP SE” (A/T fluid temperature sensor signal) indicates more than 60°C (140°F).
For A/T models without CONSUT-II and M/T models, after the engine is warmed up to normal operating tem-
perature, drive vehicle for 5 minutes.
*2: Rear window defogger switch, air conditioner switch, lighting switch are “OFF”. Steering wheel is straight
ahead.
Inspection ProcedureEBS00BFO
NOTE:
Perform “DATA MONITOR (SPEC)” mode in maximum scale display.
1. PerformEC-412, "
Basic Inspection".
2. Confirm that the testing conditions indicated above are met.
3. Select “B/FUEL SCHDL”, “A/F ALPHA-B1” and “MAS A/F SE-
B1” in “DATA MONITOR (SPEC)” mode with CONSULT-II.
4. Make sure that monitor items are within the SP value.
5. If NG, go toEC-450, "
Diagnostic Procedure".
SEF601Z

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NISSAN X-TRAIL 2003 Electronic Repair Manual EC-450
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TROUBLE DIAGNOSIS - SPECIFICATION VALUE
Diagnostic Procedure
EBS00BFP
SEF613ZD

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NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSIS - SPECIFICATION VALUE
EC-451
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SEF768Z

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NISSAN X-TRAIL 2003 Electronic Repair Manual EC-452
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TROUBLE DIAGNOSIS - SPECIFICATION VALUE
SEF615ZA

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NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT
EC-453
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TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENTPFP:00006
DescriptionEBS00BFQ
Intermittent incidents (I/

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NISSAN X-TRAIL 2003 Electronic Repair Manual EC-454
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POWER SUPPLY CIRCUIT FOR ECM
POWER SUPPLY CIRCUIT FOR ECM
PFP:24110
Wiring DiagramEBS00BFS
TBWA0054E

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