2001 INFINITI QX4 Factory Service Manual

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INFINITI QX4 2001  Factory Service Manual ConstructionNBSC0006
MEL949LB
MEL950L
Removal and InstallationNBSC0007
Pinion/Clutch CheckNBSC00081. Inspect pinion teeth.
IReplace pinion if teeth are worn or damaged. (Also check
condition of ring g

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INFINITI QX4 2001  Factory Service Manual System DescriptionNBSC0009The alternator provides DC voltage to operate the vehicles electrical system and to keep the battery charged.
The voltage output is controlled by the IC regulator.
Power is

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INFINITI QX4 2001  Factory Service Manual Wiring Diagram Ð CHARGE ÐNBSC0010
MEL653L
CHARGING SYSTEM
Wiring Diagram Ð CHARGE Ð
SC-20

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INFINITI QX4 2001  Factory Service Manual Trouble Diagnoses with
Battery/Starting/Charging System Tester
NBSC0020NOTE:
To ensure a complete and thorough diagnosis, the battery, starter
and alternator test segments must be done as a set from s

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INFINITI QX4 2001  Factory Service Manual SEL420X
9. Press ªENTERº to continue.
SEL421X
10. 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 detect

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INFINITI QX4 2001  Factory Service Manual DIAGNOSTIC RESULT ITEM CHARTNBSC0020S01
Diagnostic item Service procedure
CHARGING SYSTEM NORMAL Charging system is normal and will also show DIODE RIPPLE test result.
NO CHARGING VOLTAGE Go to ªWORK

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INFINITI QX4 2001  Factory Service Manual WORK FLOWNBSC0020S02
SEL423X
CHARGING SYSTEM
Trouble Diagnoses with Battery/Starting/Charging System Tester (Contd)
SC-24

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INFINITI QX4 2001  Factory Service Manual DIAGNOSTIC PROCEDURE 1NBSC0020S03Check ªLº Terminal CircuitNBSC0020S0301
1 CHECK ªLº TERMINAL CONNECTION
Check to see if ªLº terminal is clean and tight.
OK or NG
OK©GO TO 2.
NG©Repair ªLº t