2005 INFINITI FX35 Service Manual

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Page 1553 of 4731

INFINITI FX35 2005 Service Manual EC-160
[VQ35DE]
TROUBLE DIAGNOSIS - SPECIFICATION VALUE
Revision: 2005 July 2005 FX
20. CHECK “A/F ALPHA-B1”, “A/F ALPHA-B2”, AND “B/FUEL SCHDL”
Select “A/F ALPHA-B1”, “A/F ALPHA-B2

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INFINITI FX35 2005 Service Manual TROUBLE DIAGNOSIS - SPECIFICATION VALUE EC-161
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Revision: 2005 July 2005 FX
25. CHECK INTAKE SYSTEM
Check for the cause of uneven air flow through mass

Page 1555 of 4731

INFINITI FX35 2005 Service Manual EC-162
[VQ35DE]
TROUBLE DIAGNOSIS - SPECIFICATION VALUE
Revision: 2005 July 2005 FX
30. CHECK “B/FUEL SCHDL”
Select “B/FUEL SCHDL” in “DATA MONITOR (SPEC)” mode, and then make sure that t

Page 1556 of 4731

INFINITI FX35 2005 Service Manual TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT EC-163
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Revision: 2005 July 2005 FX
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENTPFP:00006
DescriptionABS006L5

TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT EC-163
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TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENTPFP:00006
DescriptionABS006L5
Intermittent incidents may occur. In many cases, the malfunction resolves itself (the part or circuit function
returns to normal without intervention). It is important to realize that the symptoms described in the customer's
complaint often do not recur on (1st trip) DTC visits. Realize also that the most frequent cause of Intermittent
incidents occurrences is poor electrical connections. Because of this, the conditions under which the incident
occurred may not be clear. Therefore, circuit checks made as part of the standard diagnostic procedure may
not indicate the specific malfunctioning area.
Common Intermittent Incidents Report Situations
Diagnostic ProcedureABS006L6
1. INSPECTION START
Erase (1st trip) DTCs. Refer to EC-68, "
HOW TO ERASE EMISSION-RELATED DIAGNOSTIC INFORMA-
TION" .
>> GO TO 2.
2. CHECK GROUND TERMINALS
Check ground terminals for corroding or loose connection.
Refer to GI-27, "
How to Perform Efficient Diagnosis for an Electrical Incident" , “CIRCUIT INSPECTION”,
“Ground Inspection”.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace.
3. SEARCH FOR ELECTRICAL INCIDENT
Perform GI-27, "
How to Perform Efficient Diagnosis for an Electrical Incident" , “INCIDENT SIMULATION
TESTS”.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace.
4. CHECK CONNECTOR TERMINALS
Refer to GI-24, "
How to Check Terminal" , “HOW TO PROBE CONNECTORS”, “How to Check Enlarged Con-
tact Spring of Terminal”.
OK or NG
OK >> INSPECTION END
NG >> Repair or replace connector.
STEP in Work Flow Situation
2 The CONSULT-II is used. The SELF-DIAG RESULTS screen shows time data other than [0] or [1t].
3 or 4 The symptom described by the customer does not recur. 5 (1st trip) DTC does not appear during the DTC Confirmation Procedure.
10 The Diagnostic Procedure for PXXXX does not indicate the malfunctioning area.

Page 1557 of 4731

INFINITI FX35 2005 Service Manual EC-164
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POWER SUPPLY AND GROUND CIRCUIT
Revision: 2005 July 2005 FX
POWER SUPPLY AND GROUND CIRCUITPFP:24110
Wiring DiagramABS006L7
TBWM0217E

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INFINITI FX35 2005 Service Manual POWER SUPPLY AND GROUND CIRCUIT EC-165
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Revision: 2005 July 2005 FX
Specification data are reference values and are measured between each terminal and g

Page 1559 of 4731

INFINITI FX35 2005 Service Manual EC-166
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POWER SUPPLY AND GROUND CIRCUIT
Revision: 2005 July 2005 FX
4. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten ground three screws on the body. Refer to

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INFINITI FX35 2005 Service Manual POWER SUPPLY AND GROUND CIRCUIT EC-167
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Revision: 2005 July 2005 FX
8. CHECK ECM POWER SUPPLY CIRCUIT-III
1. Stop engine and wait at least 10 seconds.

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