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Infiniti G35 Electrical Issues

198 messages,  Last post on Nov 04, 2009 at 6:44 AM

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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#1 of 198
2003 G35 Coupe Electronic Problem by mcdull
Oct 11, 2007 (4:43 pm)
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Hi all,
 
My 2003 G35 coupe at time would turn off all electronic while driving. Headlights are ok, but A/C, radio, CD and all the buttons on the console do not work. It happens once awhile. My warrantee has expired. Does anyone here have similar issue and how were you resolving it.
#2 of 198
Re: 2003 G35 Coupe Electronic Problem [mcdull] by jthomann
Nov 24, 2007 (12:50 pm)
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Replying to: mcdull (Oct 11, 2007 4:43 pm)

My wife has a 2003 G35 sedan with this exact problem. We are also looking for a solution. Infiniti dealership wanted to replace the entire controller board for $300 - $450. They also referred us to an electronics repair shop. After my wife spoke with the repair shop they immediately knew what the problem was and quoted $300 and wanted to keep the car for an entire day to do the work. I have not spoke to them myself yet but if this is a matter of swapping out parts, I'm completely capable of doing this myself. If this involves circuit-testing and sauldering then I may be recruiting a friend. I want to find out what the exact parts are from the dealership/electronics repairman and what is involved in replacing/fixing it before we commit to either of these solutions. Was hoping somebody else had a DIY solution for this as well.
#3 of 198
2005 G35 ELECTRONIC PROBLEM...CRANK BUT IS NOT RUNNING by jescoto
Nov 25, 2007 (9:19 am)
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I HAVE A 2005 G35 2CPE AUTO...WHEN I TURN THE KEY ON..I DONT HAVE LIGTH IN THE SPEEDOMETER..AC CONTROL AND RADIO...THE CAR CRANK BUT IS NOT RUNNING..CHECK THE FUEL PUMP IS OK BUT I DONT HAVE SPARK IN THE COILS...I REPLACE THE COMPUTER ALREADY AND THE BODY CONTROL UNIT....NEED HELP...DOES ANYONE IN THIS FORUM HAVE THE SAME PROBLEM BEFORE AND HAVE CAN I FIX IT....THANKS ">
#4 of 198
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 198
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 198
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 198
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 198
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 198
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 198
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

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