Question about 2004 Renault 181
Battery tested not faulty. when i start the car it indicate stop low battery. alternator was repaired on friday on saturday i was stuck on the road battery low .i dont know whether is alternator or my car is killing alternator.
Take the car to an autoparts store and have the alternator tested. While the output is being checked, move the wires around and see if it affects the output. I had a wire shorting out in the plug once that was intermittently causing the alternator to not charge. I ended up soldering the wire into the plug and it stopped the problem. If the alternator is not charging the battery, it is most likely either a short in the wiring somewhere or a faulty voltage regulator. Hope this helped and best wishes.
Posted on Aug 02, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
This code indicates that a fault has been detected in the generator lamp control circuit. The PCM may have also detected an abnormal voltage reading from the vehicle battery, starting, or charging system.
In the event of generator lamp control circuit fault, a trouble code will be stored and a service engine soon lamp will be illuminated. Some models require multiple drive cycles (as many as 8) with a failure in order for the service engine soon lamp to be illuminated and others will activate it on the initial failure.
This code indicates that a fault has been detected in the charging system circuit. The PCM may have also detected an abnormal voltage reading from the vehicle battery, starting, or charging system.
The most common cause of this code can be traced to a faulty alternator. Other causes could include a bad battery or starter, open or shorted wiring or battery cables, insufficient battery primary or secondary grounds, defective voltage regulator, corroded battery terminal ends, a faulty PCM (rare), a large battery drain, or a defective battery.
Technicians report that batteries and starters are often replaced in error when the alternator is either not charging or overcharging. If the battery is discharged, charge it and test the vehicle charging system to make sure that it is operating properly.
Nov 09, 2016 | Cars & Trucks
Dec 28, 2012 | Cars & Trucks
to inspect Vehicles Alternator?
to Test Vehicles Alternator?
to Service Vehicles Alternator?
to Replace Alternator?
to monitor Vehicles charging system?
Alternator making noise?
Alternator Working Intermittently?
not starting or turning over indicates towards multiple possibilities. It can
be issue with battery or weak battery. But if battery checks out ok, then it
can be starter issue or faulty alternator or problem with low fuel pressure or
no spark at spark plugs due to dirty spark plugs or faulty ignition coil or
injectors getting cracked or dirty and needs to be cleaned.
confirm the problem, the basic troubleshooting is required.
start to end troubleshooting these problems I suggest you
to check the help link below and follow its procedure: -----
all types of car no start problems are discussed here with solutions:---
NO START: ENGINE NOT TURNING OVER:
These will help.
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You can test this by putting a volt meter across the battery posts. A fully charged battery should read 12.6 volts. Then start the engine and the voltage should increase to 13.5 to 15 volts. If you do not get this increase in voltage, then the alternator is not charging, which can be either the wiring to the alternator or the alternator itself being bad. Good luck :O)
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