2006 INFINITI M35 Factory Service Manual

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Page 5169 of 5621

INFINITI M35 2006 Factory Service Manual SC-32
CHARGING SYSTEM
Revision: 2006 January2006 M35/M45
PRELIMINARY INSPECTION
1. CHECK BATTERY TERMINALS CONNECTION
Check if battery terminals are clean and tight.
OK or NG
OK >> GO TO 2.
NG >> Repa

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INFINITI M35 2006 Factory Service Manual CHARGING SYSTEM
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2. CHECK “L” TERMINAL CIRCUIT (OPEN)
1. Disconnect alternator connector.
2. Apply ground to alternator harness co

Page 5171 of 5621

INFINITI M35 2006 Factory Service Manual SC-34
CHARGING SYSTEM
Revision: 2006 January2006 M35/M45
2. CHECK “S” TERMINAL CIRCUIT
Check voltage between alternator harness connector and ground.
OK or NG
OK >> Go to SC-31, "WORK FLOW"

Page 5172 of 5621

INFINITI M35 2006 Factory Service Manual CHARGING SYSTEM
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Revision: 2006 January2006 M35/M45
Power Generation Voltage Variable Control System Operation InspectionNKS003NQ
CAUTION:
For this model, the battery cu

CHARGING SYSTEM
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Revision: 2006 January2006 M35/M45
Power Generation Voltage Variable Control System Operation InspectionNKS003NQ
CAUTION:
For this model, the battery current sensor that is installed to the battery cable at the negative ter-
minal measures the charging/discharging current of the battery, and performs various controls. If
the electrical component or the ground wire is connected directly to the battery terminal, the cur-
rent other than that being measured with the battery current sensor is charging to or discharging
from the battery. This condition causes the malfunction of the control, and then the battery dis-
charge may occur. Never connect the electrical component or the ground wire directly to the bat-
tery terminal.
When performing this inspection, always use the charged battery that completed the battery
inspection. (When the charging rate of the battery is low, the response speed of the voltage
change will become slow. This is a cause of an incorrect inspection.)
INSPECTION PROCEDURE
1. CHECK ECM (CONSULT-II)
Perform ECM self-diagnosis with CONSULT-II. Refer to EC-133, "
CONSULT-II Function (ENGINE)"
(VQ35DE) or EC-846, "CONSULT-II Function (ENGINE)" (VK45DE).
Self
-diagnostic results content
No malfunction detected>> GO TO 2.
Malfunction detected>> Check applicable parts, and repair or replace corresponding parts.
2. CHECK OPERATION OF POWER GENERATION VOLTAGE VARIABLE CONTROL SYSTEM
1. Connect CONSULT-II and start the engine.
2. The selector lever is in “P” or “N” position and all of the electric
loads and A/C, etc. are turned OFF.
3. Select “ALTERNATOR DUTY” at “ACTIVE TEST” of “ENGINE”,
and then check the value of “BATTERY VOLT” monitor when
DUTY value of “ALTERNATOR DUTY” is set to 40.0 %.
4. Check the value of “BATTERY VOLT” monitor when DUTY value
of “ALTERNATOR DUTY” is set to 80.0%.
OK or NG
OK >> INSPECTION END
NG >> GO TO 3. (The charging condition of the battery should
be normal.)
3. CHECK IPDM E/R (CONSULT-II)
Perform IPDM E/R self-diagnosis with CONSULT-II. Refer to PG-20, "
CONSULT-II Function (IPDM E/R)" .
Self
-diagnostic results content
No malfunction detected>> GO TO 4.
Malfunction detected>> Check applicable parts, and repair or replace corresponding parts. “BATTERY VOLT”
2 seconds after setting the
DUTY value of “ALTERNA-
TOR DUTY” to 40.0 %: 12 - 13.6 V
PKIB4503E
“BATTERY VOLT”
20 seconds after setting
the DUTY value of “ALTER-
NATOR DUTY” to 80.0 %: +0.5 V or more against
the value of “BATTERY
VOLT” monitor when
DUTY value is 40.0 %
PKIB4504E

Page 5173 of 5621

INFINITI M35 2006 Factory Service Manual SC-36
CHARGING SYSTEM
Revision: 2006 January2006 M35/M45
4. CHECK HARNESS BETWEEN ALTERNATOR AND IPDM E/R
1. Turn ignition switch OFF.
2. Disconnect alternator connector and IPDM E/R connector.
3. Che

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INFINITI M35 2006 Factory Service Manual CHARGING SYSTEM
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Revision: 2006 January2006 M35/M45
Removal and Installation NKS003NR
VQ35DE ENGINE MODELS
Removal (2WD Models)
1. Disconnect the battery cable from the

Page 5175 of 5621

INFINITI M35 2006 Factory Service Manual SC-38
CHARGING SYSTEM
Revision: 2006 January2006 M35/M45
Removal (AWD Models)
1. Disconnect the battery cable from the negative terminal.
2. Remove power steering oil reservoir tank from the bracket.

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INFINITI M35 2006 Factory Service Manual CHARGING SYSTEM
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Revision: 2006 January2006 M35/M45
VK45DE ENGINE MODELS
Removal
1. Disconnect the battery cable from the negative terminal.
2. Remove engine front under

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