2003 NISSAN TEANA Service Manual

dashboard cabin filter battery replacement start stop button adding oil low oil pressure

Page 1377 of 3502

NISSAN TEANA 2003 Service Manual TROUBLE DIAGNOSIS - SPECIFICATION VALUE
EC-95
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TROUBLE DIAGNOSIS - SPECIFICATION VALUEPFP:00031
DescriptionBBS005CB
The specification (SP) value indicates the tolerance

TROUBLE DIAGNOSIS - SPECIFICATION VALUE
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TROUBLE DIAGNOSIS - SPECIFICATION VALUEPFP:00031
DescriptionBBS005CB
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
MI.
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 ConditionBBS005CC
Vehicle driven distance: More than 5,000 km (3,107 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 - 30°C (68 - 86°F)
Engine coolant temperature: 75 - 95°C (167 - 203°F)
Engine speed: Idle
Transmission: Warmed-up
–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).
Electrical load: Not applied
–Rear window defogger switch, air conditioner switch, lighting switch are OFF. Steering wheel is straight
ahead.
Inspection ProcedureBBS005CD
NOTE:
Perform “DATA MONITOR (SPEC)” mode in maximum scale display.
1. Perform EC-40, "
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 to EC-96, "
Diagnostic Procedure" .
SEF601Z

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NISSAN TEANA 2003 Service Manual EC-96
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TROUBLE DIAGNOSIS - SPECIFICATION VALUE

Diagnostic ProcedureBBS005CE
OVERALL SEQUENCE
PBIB2384E

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NISSAN TEANA 2003 Service Manual TROUBLE DIAGNOSIS - SPECIFICATION VALUE
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PBIB3213E

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NISSAN TEANA 2003 Service Manual EC-98
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TROUBLE DIAGNOSIS - SPECIFICATION VALUE

DETAILED PROCEDURE
1. CHECK “A/F ALPHA-B1”
1. Start engine.
2. Confirm that the testing conditions are met. Refer to EC-95, "
Testing Condition

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NISSAN TEANA 2003 Service Manual TROUBLE DIAGNOSIS - SPECIFICATION VALUE
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5. CHANGE ENGINE OIL
1. Stop the engine.
2. Change engine oil.
NOTE:
This symptom may occur when a large amount of gasoli

Page 1382 of 3502

NISSAN TEANA 2003 Service Manual EC-100
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TROUBLE DIAGNOSIS - SPECIFICATION VALUE

10. DETECT MALFUNCTIONING PART
1. Check the following.
–Ignition coil and its circuit (Refer to EC-329, "IGNITION SIGNAL" .)
–Fuel injector an

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NISSAN TEANA 2003 Service Manual TROUBLE DIAGNOSIS - SPECIFICATION VALUE
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15. DISCONNECT AND RECONNECT ECM HARNESS CONNECTOR
1. Stop the engine.
2. Disconnect ECM harness connector. Check pin te

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NISSAN TEANA 2003 Service Manual EC-102
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TROUBLE DIAGNOSIS - SPECIFICATION VALUE

20. CHECK “A/F ALPHA-B1” AND “B/FUEL SCHDL”
Select “A/F ALPHA-B1” and “B/FUEL SCHDL” in “DATA MONITOR (SPEC)” mode, and make s

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