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Infiniti G35 Electrical Issues

204 messages,  Last post on Nov 17, 2009 at 3:43 PM

You are in the Infiniti G35 Forum. Your Hosts are pat & karens

What is this discussion about? Infiniti G35, Electrical, Coupe, Sedan


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#4 of 204
2005 G35 Coupe Auto Electronic Problem....Need Help by jescoto
Nov 25, 2007 (10:53 am)
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I got a G35 Coupe Auto.I can't run the car. Engine cranks but is not running..I replace the Engine Computer ,Body Control Unit and fuse box...i dont have any ligths in the Speedometer..the Radio and AC Controls not working any help let me know..Thanks">
#5 of 204
2004 Infinity FX35 by awjustice
Dec 02, 2007 (5:58 pm)
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Does anyone know if there is a history of electronic problems with the Infinity cars? We have a 2004 FX35 and have started having problems with the doors locking / unlocking automatically, the alarm (horn honking) will set off without reason, while driving the central display indicates that the rear hatch is open... If anyone can help, please advise. Thank you.
#6 of 204
Re: 2004 Infinity FX35 [awjustice] by adamr001
Dec 02, 2007 (8:19 pm)
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Replying to: awjustice (Dec 02, 2007 5:58 pm)

Low battery in the remote maybe?
#7 of 204
Re: 2004 Infinity FX35 [adamr001] by awjustice
Dec 03, 2007 (6:22 am)
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Replying to: adamr001 (Dec 02, 2007 8:19 pm)

When the doors started locking and unlocking, I changed the battery in the remote... when the alarm started going off, I changed the battery in the car. I have not taken it back to Infinity yet, but I guess that's my best option. I was just trying to get some info. Thanks.
#8 of 204
Related electrial problem? by rbrech
May 02, 2008 (10:52 am)
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I've had a recurring problem for the past year - and I've already spent too much on false leads. It's an '03 sport sedan with automatic. Only 33K miles. I love everything about the car, but this!
 
I have a substantial parasitic drain on the battery. If the car sits for more than 24 hours or so, it drains the battery completely.
 
I've been told the battery was too old and not holding a charge. Replaced the battery - w/ no effect.
 
Later told there was a short in the trunk release switch. Replaced switch - to no effect.
 
At this point - my CD exchanger failed. It seems to have developed a mechanical problem - and a microprocessor in the system burned out. Replaced the microprocessor and CD exchanger. At first, we thought this might have been related to the electrial problem, but after the repair, the drain remained. [Note, the work on the CD exchanger was quite involved. Not even the dealer would touch it. Had to disable the airbags and remove the dash to get at the system.]
 
The drain was tracked to the circuit which controls the radio, HVAC etc - but we've tested all the lines shown on the schematics that run off this circuit. Now at a loss - where else to look. I presume their are additional lines off this circuit - but without knowing where to look - its like finding a needle in the haystack.I've seen references to another radio circuit board - but not sure if that is my problem. All systems on the car seem to be functioning.
 
I'm taking the car back to the dealer next week and would appreciate any further guidance to help direct them in the search.
#9 of 204
Re: Related electrial problem? [rbrech] by cdnpinhead
May 02, 2008 (12:04 pm)
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Replying to: rbrech (May 02, 2008 10:52 am)

I (thank goodness) haven't had to deal with issues of this sort lately, but back when I did, there were repair shops that specialized in "auto electric" problems. If there were still reliable Yellow Pages, that would be the category.
 
Point being, a specialist in tracking this stuff down will trump the dealer most times.
 
Google "auto electric city state" for your location and see what comes up.
#10 of 204
Re: 2003 G35 Coupe Electronic Problem [mcdull] by ema15
May 08, 2008 (8:14 pm)
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Replying to: mcdull (Oct 11, 2007 4:43 pm)

hello i am having the same problem with my 2003 g35 sedan. but A/C, radio, CD and all the buttons on the console do not work. wouldl ike to know if anyone had found out the solution for it. If you do hit me back thanks
#11 of 204
Re: 2003 G35 Coupe Electronic Problem [ema15] by cheerioboy26
May 11, 2008 (8:58 am)
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Replying to: ema15 (May 08, 2008 8:14 pm)

There is an Infiniti service bulletin for this that replaces a control board. I had it done on my car (back in 02 or 03).
 
   ITB03-007b
VOLUNTARY SERVICE CAMPAIGN 2003 INFINITI G35 SEDAN; AUDIO FINISHER CIRCUIT BOARD
On some model year 2003 G35 Sedans manufactured through August 21, 2002, the audio and temperature controls may not operate as expected. When using the audio equipment or the temperature controls, the unit may become inoperative. In some cases, this can be corrected by turning the ignition switch off and back on again. In other cases, the unit remains inoperative and requires service by an Infiniti technician. To prevent this condition, Infiniti has initiated a Voluntary Service Campaign to replace the audio finisher circuit board on these vehicles. Use Infiniti Net to confirm if a specific vehicle is affected by this service campaign (P3104).
#12 of 204
Re: 2003 G35 Coupe Electronic Problem [cheerioboy26] by alang4
May 12, 2008 (5:35 am)
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Replying to: cheerioboy26 (May 11, 2008 8:58 am)

Where does one find these service advisories?
#13 of 204
Re: Related electrial problem? [rbrech] by hpark_home
May 12, 2008 (6:09 am)
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Replying to: rbrech (May 02, 2008 10:52 am)

I have been experiencing this exact problem for 2 months now. When I hadn't started my car all weekend, then my car won't start on a Monday morning. I had the battery replaced twice, but the problem still persists. How long have you had the problem? You 've ruled out alternator already? I have a 2003 G35 sedan. Other than the gas mileage and this problem, I love this car...

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