2007 INFINITI FX35 Service Manual

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INFINITI FX35 2007 Service Manual POWER SUPPLY AND GROUND CIRCUIT EC-153
[VQ35DE]
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Revision: 2006 July 2007 FX35/FX45
16. CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT-II
1. Disconnect ECM harness

POWER SUPPLY AND GROUND CIRCUIT EC-153
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Revision: 2006 July 2007 FX35/FX45
16. CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT-II
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminals 1, 115, 116 and ground. Refer to Wiring Diagram.
3. Also check harness for short to power.
OK or NG
OK >> GO TO 17.
NG >> Repair open circuit or short to power in harness or connectors.
17. DETECTION MALFUNCTIONING PART
Check the following.
Harness connectors F102, M82
Harness for open or short between ECM and ground
>> Repair open circuit or shoat to power in harness connectors.
18. CHECK INTERMITTENT INCIDENT
Refer to EC-147, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
OK or NG
OK >> Replace IPDM E/R. Refer to PG-17, "IPDM E/R (INTELLIGENT POWER DISTRIBUTION MOD-
ULE ENGINE ROOM)"
NG >> Repair open circuit or short to power in harness or connectors.
Ground Inspection NBS003MI
Ground connections are very important to the proper operation of electrical and electronic circuits. Ground
connections are often exposed to moisture, dirt and other corrosive elements. The corrosion (rust) can
become an unwanted resistance. This unwanted resistance can change the way a circuit works.
Electronically controlled circuits are very sensitive to proper grounding. A loose or corroded ground can drasti-
cally affect an electronically controlled circuit. A poor or corroded ground can easily affect the circuit. Even
when the ground connection looks clean, there can be a thin film of rust on the surface.
When inspecting a ground connection follow these rules:
Remove the ground bolt or screw.
Inspect all mating surfaces for tarnish, dirt, rust, etc.
Clean as required to assure good contact.
Reinstall bolt or screw securely.
Inspect for “add-on” accessories which may be interfering with the ground circuit.
If several wires are crimped into one ground eyelet terminal, check for proper crimps. Make sure all of the
wires are clean, securely fastened and providing a good ground path. If multiple wires are cased in one
eyelet make sure no ground wires have excess wire insulation. Continuity should exist.

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INFINITI FX35 2007 Service Manual EC-154
[VQ35DE]
POWER SUPPLY AND GROUND CIRCUIT
Revision: 2006 July 2007 FX35/FX45
For detailed ground distribution information, refer to PG-29, "Ground Distribution" .
PBIB1870E

Page 1531 of 4366

INFINITI FX35 2007 Service Manual DTC U1000, U1001 CAN COMMUNICATION LINE EC-155
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Revision: 2006 July 2007 FX35/FX45
DTC U1000, U1001 CAN COMMUNICATION LINEPFP:23710
DescriptionNBS003MJ

Page 1532 of 4366

INFINITI FX35 2007 Service Manual EC-156
[VQ35DE]
DTC U1000, U1001 CAN COMMUNICATION LINE
Revision: 2006 July 2007 FX35/FX45
Wiring DiagramNBS003MM
TBWM1378E

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INFINITI FX35 2007 Service Manual DTC U1000, U1001 CAN COMMUNICATION LINE EC-157
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Revision: 2006 July 2007 FX35/FX45
Diagnostic ProcedureNBS003MN
Go to LAN-49, "CAN System Specification

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INFINITI FX35 2007 Service Manual EC-158
[VQ35DE]
DTC U1010 CAN COMMUNICATION
Revision: 2006 July 2007 FX35/FX45
DTC U1010 CAN COMMUNICATIONPFP:23710
DescriptionNBS004M4
CAN (Controller Area Network) is a serial communication line for

Page 1535 of 4366

INFINITI FX35 2007 Service Manual DTC U1010 CAN COMMUNICATION EC-159
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Revision: 2006 July 2007 FX35/FX45
Diagnostic ProcedureNBS004M7
1. INSPECTION START
With CONSULT-II
1. Turn ign

Page 1536 of 4366

INFINITI FX35 2007 Service Manual EC-160
[VQ35DE]
DTC P0011, P0021 IVT CONTROL
Revision: 2006 July 2007 FX35/FX45
DTC P0011, P0021 IVT CONTROLPFP:23796
DescriptionNBS003MO
SYSTEM DESCRIPTION
*: This signal is sent to the ECM through C

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