2006 INFINITI M35 Factory Service Manual

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Page 5161 of 5621

INFINITI M35 2006 Factory Service Manual SC-24
CHARGING SYSTEM
Revision: 2006 January2006 M35/M45
POWER GENERATION VOLTAGE VARIABLE CONTROL SYSTEM
Power generation voltage variable control system that controls the power generation voltage of

Page 5162 of 5621

INFINITI M35 2006 Factory Service Manual CHARGING SYSTEM
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Revision: 2006 January2006 M35/M45
Wiring Diagram — CHARGE — NKS003NO
VQ35DE ENGINE MODELS (2WD)
TKWT3234E

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INFINITI M35 2006 Factory Service Manual SC-26
CHARGING SYSTEM
Revision: 2006 January2006 M35/M45
VQ35DE ENGINE MODELS (AWD)
TKWT3235E

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INFINITI M35 2006 Factory Service Manual CHARGING SYSTEM
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Revision: 2006 January2006 M35/M45
VK45DE ENGINE MODELS
TKWT3236E

Page 5165 of 5621

INFINITI M35 2006 Factory Service Manual SC-28
CHARGING SYSTEM
Revision: 2006 January2006 M35/M45
Trouble Diagnoses with Battery/Starting/Charging System Tester (Charging)NKS003NP
NOTE:
To ensure a complete and thorough diagnosis, the batter

SC-28
CHARGING SYSTEM
Revision: 2006 January2006 M35/M45
Trouble Diagnoses with Battery/Starting/Charging System Tester (Charging)NKS003NP
NOTE:
To ensure a complete and thorough diagnosis, the battery, starter and alternator test segments must be done
as a set from start to finish.
Before starting, perform the preliminary inspection. Refer to SC-32, "
PRELIMINARY INSPECTION" .
1. Stop the operation of the power generation voltage variable control in either of the following procedures.
After selecting “ENGINE” of “SELECT SYSTEM” using CONSULT-II, set the DUTY value of “ALTERNA-
TOR DUTY” to 0% by selecting “ALTERNATOR DUTY” of “ACTIVE TEST”. Continue “ACTIVE TEST”
until the end of inspection. (When the DUTY value is 0 or 100%, the normal power generation is per-
formed according to the characteristic of the IC regulator of the alternator.)
Turn the ignition switch OFF, and disconnect the battery current sensor connector. [However, DTC
(P1550 - P1554) of the engine might remain. After finishing the inspection, connect the battery current
sensor connector and erase the self-diagnostic results history of the engine using CONSULT-II.]
2. Turn off all loads on the vehicle electrical system.
3. Perform battery and starting system test with Battery/Starting/
Charging system tester.
4. Press “ENTER” to begin the charging system test.
5. Start engine.
6. Press “ENTER” until “LOADS OFF REV ENGINE 5 SEC” is dis-
played.
7. Raise and hold the engine speed at 1,500 to 2,000 rpm for about
5 seconds, then return the engine to idle.
Once the increase in engine rpm is detected, press “ENTER” to
continue.
NOTE:
If after 30 seconds an increase in engine idle speed is not
detected, “RPM NOT DETECTED” will display.
Some engines may have a higher idle initially after starting,
particularly when the engine is cold. The tester may detect
this without any other action being taken. If this occurs, con-
tinue on with the testing process. The final results will not be affected.
8. The tester now checks the engine at idle and performs the
DIODE/RIPPLE check.
9. When complete, the tester will prompt you to turn on the follow-
ing electrical loads.
Heater fan set to highest speed. Do not run the A/C or wind-
shield defroster.
Headlamp high beam
Rear window defogger
NOTE:
Do not run the windshield wipers or any other cyclical loads.
SEL417X
SEL418X
SEL419X

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INFINITI M35 2006 Factory Service Manual CHARGING SYSTEM
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Revision: 2006 January2006 M35/M45
10. Press “ENTER” to continue.
11. Raise and hold the engine speed at 1,500 to 2,000 rpm for about
5 seconds, t

Page 5167 of 5621

INFINITI M35 2006 Factory Service Manual SC-30
CHARGING SYSTEM
Revision: 2006 January2006 M35/M45
DIAGNOSTIC RESULT ITEM CHART
Diagnostic item Service procedure
CHARGING SYSTEM NORMAL Charging system is normal and will also show “DIODE RIP

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INFINITI M35 2006 Factory Service Manual CHARGING SYSTEM
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Revision: 2006 January2006 M35/M45
WORK FLOW
*1SC-32, "Check “L” Terminal Circuit
(Open)"
*2SC-33, "Check “L” Terminal Circuit
(Sh

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