Jump to content
SAU Community

M35 Tps Troubleshooting

stealth01

By stealth01,
in Four Door Family & Wagoneers

 Share

Recommended Posts

stealth01 Collaborator

stealth01

Posted
Posted

My Stagea has a random TPS error that triggers limp mode and was hoping someone could point me in the right direction with regards to troubleshooting the problem. This is my first fly by wire car, so TPS issues like this I am foreign to.

From what I understand the M35 Service Manual isn't available in English but the V35/G35 manual is a good reference for this sort of problem.

Link to comment
https://www.sau.com.au/forums/topic/418225-m35-tps-troubleshooting/
Share on other sites
PN-Mad Grand Master

PN-Mad

Posted
Posted

Best idea would be to try to borrow a working unit from someone, and try that out. If that works, grab one from the wreckers off a V35 / Z33. I think they are the same. But watch out for any unit that has a hole drilled in the plate.

I don't think there are any replaceable parts within the unit itself. But someone will correct me if I am wrong.

scotty nm35 Grand Master

scotty nm35

Posted
Posted

I tried to rip a throttle unit apart to clean the TPS carbon tracks but i'm fairly sure it failed. They are definitely not a serviceable part.

Seeing Nissan want $1800 for a new throttle unit and these are failing like hotcakes I would grab any second hand VQ throttle you can get. A 350z/V35 one will fit, I am running a VQ25DD throttle at the moment due to the same fault.

If you need a hand with clearing the codes, resetting the idle or changing the throttle over, a quick search and you will find the information on here. Otherwise PM me if you need someone to do the work for you.

stealth01 Collaborator

stealth01

Posted
  • Author
Posted (edited)

Thanks for your help guys, I'll try source a VQ throttle and give it a go. $1800 seems abit steep lol, a quick search on Ebay and I've found a "New * GENUINE * Nissan 350Z Maxima Throttle Body" with TPS sensor for sub $250

Edited by stealth01
Daleo Grand Master

Daleo

Posted
Posted

Thanks for your help guys, I'll try source a VQ throttle and give it a go. $1800 seems abit steep lol, a quick search on Ebay and I've found a "New * GENUINE * Nissan 350Z Maxima Throttle Body" with TPS sensor for sub $250

Post up a link to seller, or is it just a single unit?

iamhe77 Grand Master

iamhe77

Posted
Posted

Yes, whilst I didn't have a Z33 TB, my old VQ25det Stagea had a V35 (VQ35de) throttle body on it without issue.

So between Scott and I, that would mean that 350z, M35 and V35 throttle bodies all fit.

Prossibly J31 Maxima as well although I have not tested this.

Commsman Veteran

Commsman

Posted
Posted

What does the seller mean when he says "For your peace of mind this part comes with a 12 month manufacturers warranty at least."

...at least?

I reckon he's bought heaps of these at a clearance sale & will swap any faulty ones for as long as he still has stock.

scotty nm35 Grand Master

scotty nm35

Posted
Posted

It's more likely to be the throttle body but the pedal could be the issue. As it's just a glitch that causes the limp mode it is very hard to measure voltage or resistance issues, easier to swap the parts out.

stealth01 Collaborator

stealth01

Posted
  • Author
Posted

Just to add to this, it seems that when it goes into limp mode, I can turn the car off, tap the pedal input sensor on the pedal afew times, start it up and its fine...

Is the pedal input sensor as interchangeable as the TB seems to be?

pomnz Enthusiast

pomnz

Posted
Posted

From what I understand the M35 Service Manual isn't available in English but the V35/G35 manual is a good reference for this sort of problem.

Jap manual is on here if you want it, can be good for pics and some use with googly translate.

http://www.skylinesaustralia.com/forums/topic/341609-stagea-workshop-manual/page__hl__manual__st__20

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
 Share
Go to topic listing


  • Similar Content

  • Latest Posts

    • Duncan
      S1 rb25/s14 starting problem

      By Duncan · Posted

      Depending on how long the car sat it is very possible for injectors to be stuck open or closed, I'd get them cleaned and flow tested. Other than that, obviously when the loom changes and the car doesn't start any more....the loom is suspect so some tracing / comparing may be required
    • 25zenki
      S1 rb25/s14 starting problem

      By 25zenki · Posted

      Harness is for a s1 Rb25det, and it is engine and lower harness.  the old harness had broken off plugs and was in very rough condition/exposed wires and splices etc. it is not able to be put back on the car, I could visually inspect to see if they had rewired any pins on the ecu plug. The fuel pump definitly isn’t turning off it’s an external pump and very loud you can hear it. Will look at the other harness tonight, am also going to pull the fuel rail and watch the injectors spray, will update here with what I find. Pretty sure at this point it has to be something to do with injectors because car will fire up on starting fluid and cas is clicking the Injectors. Fuel pressure is steady 43psi 
    • Waders360
      M35 Brake caliper replacement

      By Waders360 · Posted

      Sorry. Front brake calipers
    • MBS206
      S1 rb25/s14 starting problem

      By MBS206 · Posted

      Check the injectors flow evenly, and are actually flowing what you and the ECU think they should be flowing. If it's starting up on starter fluid, you have a fuel issue. Is it possible under cranking your fuel pump is turning off?   The harness you replaced, is that the whole engine harness? Do yourself a test, and drop the old harness on and plug it into the Z32 ECU. It's possible they've wired things different. From memory S1 to S2 is different in RB25 and you may have a wrong loom
    • 25zenki
      S1 rb25/s14 starting problem

      By 25zenki · Posted

      I haven’t pulled the injectors to watch them spray yet but they are clicking from the cas and all of the spark plugs are wet with fuel. I’ve thought the cylinders were being flooded from the beginning and was hoping fuel pressure would fix it. Tonight I am going to pull the rail and watch the injectors spray. Don’t know how to test/diagnose if the plugs are firing in correct sequence but that should be a timing thing and as far as timing goes my car still has the half moon for the cas can only install it 1 way. And my mechanical timing is 100% correct I posted photos above. Confirmed with the balancer on and off. 
×
×
  • Create New...