2005 INFINITI FX35 Service Manual

trunk wheel alignment auxiliary battery location audio trailer bonnet

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INFINITI FX35 2005 Service Manual EC-152
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TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
PBIB1594E

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INFINITI FX35 2005 Service Manual TROUBLE DIAGNOSIS - SPECIFICATION VALUE EC-153
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DescriptionABS006L1
The spe

TROUBLE DIAGNOSIS - SPECIFICATION VALUE EC-153
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DescriptionABS006L1
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:
B/FUEL SCHDL (The fuel injection pulse width programmed into ECM prior to any learned on board cor-
rection)
A/F ALPHA-B1/B2 (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 ConditionABS006L2
Vehicle driven distance: More than 5,000 km (3,017 miles)
Barometric pressure: 98.3 - 104.3 kPa (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)
Transmission: Warmed-up*1
Electrical load: Not applied*2
Engine speed: Idle
*1: After the engine is warmed up to normal operating temperature, drive vehicle until “ATF TEMP 1” (A/T fluid
temperature sensor signal) indicates more than 60 °C (140 °F).
*2: Rear window defogger switch, air conditioner switch, lighting switch are OFF. Steering wheel is straight
ahead.
Inspection ProcedureABS006L3
NOTE:
Perform “DATA MONITOR (SPEC)” mode in maximum scale display.
1. Perform EC-78, "
Basic Inspection" .
2. Confirm that the testing conditions indicated above are met.
3. Select “B/FUEL SCHDL”, “A/F ALPHA-B1”, “A/F ALPHA-B2” 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-154, "
Diagnostic Procedure" .
SEF601Z

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INFINITI FX35 2005 Service Manual EC-154
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TROUBLE DIAGNOSIS - SPECIFICATION VALUE
Revision: 2005 July 2005 FX
Diagnostic ProcedureABS00E94
OVERALL SEQUENCE
PBIB2268E

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INFINITI FX35 2005 Service Manual TROUBLE DIAGNOSIS - SPECIFICATION VALUE EC-155
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INFINITI FX35 2005 Service Manual EC-156
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TROUBLE DIAGNOSIS - SPECIFICATION VALUE
Revision: 2005 July 2005 FX
DETAILED PROCEDURE
1. CHECK “A/F ALPHA-B1”, “A/F ALPHA-B2”
1. Start engine.
2. Confirm that the testing co

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5. CHANGE ENGINE OIL
1. Stop the engine.
2. Change engine oil. NOTE:
This

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INFINITI FX35 2005 Service Manual EC-158
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TROUBLE DIAGNOSIS - SPECIFICATION VALUE
Revision: 2005 July 2005 FX
10. DETECT MALFUNCTIONING PART
1. Check the following.
–Ignition coil and its circuit (Refer to EC-648, "IGNITI

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15. DISCONNECT AND RECONNECT ECM HARNESS CONNECTOR
1. Stop the engine.
2.

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