G35 Coupe V35 2003 - 07 Discussion about the 1st Generation V35 G35 Coupe

05 Auto manumatic mode problems

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Old Dec 27, 2020 | 08:14 PM
  #16  
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They are different, the 6MT one doesn't have the gear indicator in the middle. Of the 6MT ones there are different ones for the rev-up engine and the non-rev engine. I think all 5AT clusters are the same.
 
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Old Oct 9, 2021 | 04:11 PM
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Originally Posted by cleric670
They are different, the 6MT one doesn't have the gear indicator in the middle. Of the 6MT ones there are different ones for the rev-up engine and the non-rev engine. I think all 5AT clusters are the same.
If I get a non rev up 6MT cluster will it plug and play with the AT harness? I still have the AT harness and ECU, however it was tuned for my MT swap. I need a new cluster to fix my fuel gauge and some missing lights, and I just want to know if the AT cluster plugs are compatible with the MT cluster.
 
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Old Oct 9, 2021 | 11:39 PM
  #18  
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I'm PRETTY sure it was all the same, Google search a picture of both and see if the plug is visually similar. I think it would work just fine but you wouldn't have anything displayed on the gear indicator.
 
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Old Oct 11, 2021 | 10:47 PM
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I just got a used cluser off ebay with similar mileage to mine. I havent plugged it in yet but Just by looking at it I can tell the new one I got was off an 05 AT with RAS. Mine is also an 05 AT but without RAS. Im gonna plug it in the next few days and hopefully it doesnt give me issues. I think I should be fine.
 
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Old Oct 11, 2021 | 11:18 PM
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I found this diagram and it looks like the plugs are the same either way because it doesn't specify an "A" or "M". That being said I'm curious to see if the pins are the same. I'd think the MT will have a blank where there gear indicator is, hopefully there's no specific MT pins in the cluster than aren't wired in the AT harness.


 
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Old Oct 12, 2021 | 09:16 PM
  #21  
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If it's got the RAS light it was from a 2006-2007 6MT, those were the only ones offered with RAS I think. I don't think it was an option for 2005.
 
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Old Oct 13, 2021 | 05:44 AM
  #22  
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Originally Posted by cleric670
If it's got the RAS light it was from a 2006-2007 6MT, those were the only ones offered with RAS I think. I don't think it was an option for 2005.
You are right about RAS only being available on 06-07 models. But I am pretty sure I have seen an automatic coupe that had the RAS also.
 
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Old Oct 13, 2021 | 04:06 PM
  #23  
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Originally Posted by cleric670
If it's got the RAS light it was from a 2006-2007 6MT, those were the only ones offered with RAS I think. I don't think it was an option for 2005.
Dumb question here but can you add RAS? I'm not familiar with how it is controlled but can you swap in a RAS rear subframe and get an ECU to control it? I've always thought it was super cool feature.
 
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Old Oct 14, 2021 | 01:27 AM
  #24  
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Originally Posted by Magneu
Out of curiosity, are there any problems with your gauge cluster like wrong fuel level, inoperative blinker lights, dim backlighting? IIRC manumatic mode sends the signal to the cluster before the transmission. Something could be broken there.
I just confirmed this today. Yes, the gauge cluster does have control over the manumatic mode. I was having intermittent MM issues shifting and after a few minutes of driving I would have no MM mode at all. Everything else on my gauge cluster was working fine though.

I bought a used gauge cluster and installed it today and took my car out for a drive for a few minutes and my
MM mode worked perfectly everytime!! So for anyone else with MM issues who has checked and confirmed the microswitches in the shifter assembly are working fine, then your cluster is probably the problem.
 
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Old Oct 15, 2021 | 10:51 AM
  #25  
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Originally Posted by FrankenG
Dumb question here but can you add RAS? I'm not familiar with how it is controlled but can you swap in a RAS rear subframe and get an ECU to control it? I've always thought it was super cool feature.
You know I've wondered about this, the ECU doesn't CONTROL the RAS unit, it's basically it's own standalone system that gets hooked into the CANBUS network which is how it gets all it's information. Steering angle, throttle position, vehicle speed, all that is transmitted via CANBUS regardless of RAS or not. The only other thing is gets is power from the IPDM, a wire going to RAS equipped instrument cluster (just to make the light turn on), a wire tied into the brake light circuit so it knows when the brakes are depressed, and a wire going to the power steering solenoid valve. Otherwise it operates as it's own separate system outside of any engine control system.

It turns itself on at 37 mph, does it's own steering corrections as needed, none of the other vehicle systems even know it's there, if it has an error it shoots it's OBD2 codes back onto the CANBUS system and the instrument cluster handles the rest just like every other module that throws a code.
 
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Old Oct 17, 2021 | 04:35 PM
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Originally Posted by cleric670
You know I've wondered about this, the ECU doesn't CONTROL the RAS unit, it's basically it's own standalone system that gets hooked into the CANBUS network which is how it gets all it's information. Steering angle, throttle position, vehicle speed, all that is transmitted via CANBUS regardless of RAS or not. The only other thing is gets is power from the IPDM, a wire going to RAS equipped instrument cluster (just to make the light turn on), a wire tied into the brake light circuit so it knows when the brakes are depressed, and a wire going to the power steering solenoid valve. Otherwise it operates as it's own separate system outside of any engine control system.

It turns itself on at 37 mph, does it's own steering corrections as needed, none of the other vehicle systems even know it's there, if it has an error it shoots it's OBD2 codes back onto the CANBUS system and the instrument cluster handles the rest just like every other module that throws a code.
Maybe someday I'll give it a try if I can even find one.
 
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