Infiniti Q45 (FY33). Manual - part 265
Trouble Diagnoses with
Battery/Starting/Charging System Tester
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.
SEL417X
1.
Turn off all loads on the vehicle electrical system.
2.
Perform battery and starting system test with Battery/Starting/
Charging system tester.
3.
Press “ENTER” to begin the charging system test.
4.
Start engine.
SEL418X
5.
Press “ENTER” until “LOADS OFF REV ENGINE 5 SEC” is
displayed.
6.
Raise and hold the engine speed at 1,500 to 2,000 rpm for
about 5 seconds, then return to the engine to idle.
Once the increase in engine rpm is detected, press “ENTER”
to continue.
NOTE:
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If after 30 seconds an increase in engine idle speed is not
detected, “RPM NOT DETECTED” will display.
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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, continue on with the testing process. The
final results will not be affected.
SEL419X
7.
The tester now checks the engine at idle and performs the
DIODE/RIPPLE check.
8.
When complete, the tester will prompt you to turn on the fol-
lowing electrical loads.
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Heater fun set to highest. Do not run the A/C or windshield
defroster.
Headlamp high beam
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Rear window defogger
NOTE:
Do not run the windshield wipers or any other cyclical loads.
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CHARGING SYSTEM
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