what would happen if you unplugged all of the trans sensors? - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

Who Cares · 11-03-2015, 07:57 PM

on an obdii s14 would your car still run fine with all of the transmission sensors unplugged? I'm just curious because I'm going to be doing the 5 speed swap but the trans has no sensors. I would like to be able to still drive my car around while sourcing all of the sensors.

KiLLeR2001 · 11-03-2015, 08:01 PM

Are you planning on continuously pouring transmission fluid through your shifter everytime you drive?

But in all seriousness, get the sensors, wire them up accordingly. Don't be lazy.

Who Cares · 11-03-2015, 08:12 PM

The sensors are there, they were cut however, and don't have enough slack to actually splice onto another end. The speed sensor can be plugged in but it's an s13 trans. The crank positioning sensor will also not be used.
I'm not being lazy, I can't put in new sensors if I do not have them. We have a streak of rain coming Friday and I want to get the transmission in by then. If I can run it fine without any of the sensors hooked up on the trans I'm going to knock it out while I have the time.

KiLLeR2001 · 11-03-2015, 08:24 PM

You'll need the crank position sensor installed and plugged in for sure. Did a 5 speed swap on a friend's car few months back, he only wanted the reverse and neutral switch hooked up. Speed sensor and crank position sensor are mandatory. No sense filling up the transmission with fluid to drain it all back out again when you get the correct sensors, just get the transmission installed, install the appropriate sensors then fill it up with transmission fluid. Then crank her up.

silviamang · 11-03-2015, 08:28 PM

No Crank sensor???
How are you going to manage that?

Grocery Cart · 11-03-2015, 09:19 PM

Quote:

Originally Posted by KiLLeR2001

You'll need the crank position sensor installed and plugged in for sure. Did a 5 speed swap on a friend's car few months back, he only wanted the reverse and neutral switch hooked up. Speed sensor and crank position sensor are mandatory. No sense filling up the transmission with fluid to drain it all back out again when you get the correct sensors, just get the transmission installed, install the appropriate sensors then fill it up with transmission fluid. Then crank her up.

Was it because the crank positioning sensor? That's strange.

Quote:

Originally Posted by silviamang

No Crank sensor???
How are you going to manage that?

OBDII s14's have two. One is on the transmission and is (I think) only used for emissions and diagnosing misfires. The other one that is more like the CAS on an sr20 is located in the distributor. That's the one that is used for timing/ignition, etc.

Hoffman5982 · 11-03-2015, 09:28 PM

^This fucking retard is correct. Many people run s13 transmissions on s14 motors and don't have an issue other than a CEL.

Grocery Cart · 11-03-2015, 09:36 PM

Quote:

Originally Posted by Hoffman5982

^This fucking retard is correct. Many people run s13 transmissions on s14 motors and don't have an issue other than a CEL.

Hoffman5982 · 11-04-2015, 01:02 AM

Matej · 11-04-2015, 02:02 AM

silviamang · 11-04-2015, 03:17 AM

uploadfromtaptalk1446632142497.jpeg
This is what happens when you run a transmission with no sensors. Don't do it.

Sileighty_85 · 11-04-2015, 04:03 AM

Boom

11-03-2015, 07:57 PM	#1
Who Cares Join Date: Nov 2015 Location: Out West Posts: 2 Trader Rating: (0) Feedback Score: 0 reviews	what would happen if you unplugged all of the trans sensors? on an obdii s14 would your car still run fine with all of the transmission sensors unplugged? I'm just curious because I'm going to be doing the 5 speed swap but the trans has no sensors. I would like to be able to still drive my car around while sourcing all of the sensors.

11-03-2015, 08:01 PM	#2
KiLLeR2001 Post Whore! Join Date: Jun 2007 Location: オーランドフロリダ Posts: 7,955 Trader Rating: (46) Feedback Score: 46 reviews	Are you planning on continuously pouring transmission fluid through your shifter everytime you drive? But in all seriousness, get the sensors, wire them up accordingly. Don't be lazy. __________________

11-03-2015, 08:24 PM	#4
KiLLeR2001 Post Whore! Join Date: Jun 2007 Location: オーランドフロリダ Posts: 7,955 Trader Rating: (46) Feedback Score: 46 reviews	You'll need the crank position sensor installed and plugged in for sure. Did a 5 speed swap on a friend's car few months back, he only wanted the reverse and neutral switch hooked up. Speed sensor and crank position sensor are mandatory. No sense filling up the transmission with fluid to drain it all back out again when you get the correct sensors, just get the transmission installed, install the appropriate sensors then fill it up with transmission fluid. Then crank her up. __________________

11-03-2015, 09:28 PM	#7
Hoffman5982 Nissanaholic! Join Date: Jan 2009 Location: Definitely NOT FL.... Age: 29 Posts: 2,491 Trader Rating: (25) Feedback Score: 25 reviews	^This fucking retard is correct. Many people run s13 transmissions on s14 motors and don't have an issue other than a CEL. __________________

11-04-2015, 01:02 AM	#9
Hoffman5982 Nissanaholic! Join Date: Jan 2009 Location: Definitely NOT FL.... Age: 29 Posts: 2,491 Trader Rating: (25) Feedback Score: 25 reviews	__________________

11-03-2015, 08:12 PM	#3
Who Cares Join Date: Nov 2015 Location: Out West Posts: 2 Trader Rating: (0) Feedback Score: 0 reviews	The sensors are there, they were cut however, and don't have enough slack to actually splice onto another end. The speed sensor can be plugged in but it's an s13 trans. The crank positioning sensor will also not be used. I'm not being lazy, I can't put in new sensors if I do not have them. We have a streak of rain coming Friday and I want to get the transmission in by then. If I can run it fine without any of the sensors hooked up on the trans I'm going to knock it out while I have the time.

11-03-2015, 08:28 PM	#5
silviamang Zilvia Junkie Join Date: Feb 2008 Location: Japan Posts: 319 Trader Rating: (2) Feedback Score: 2 reviews	No Crank sensor??? How are you going to manage that?

11-04-2015, 02:02 AM	#10
Matej Post Whore! Join Date: Feb 2007 Location: N/A Posts: 9,423 Trader Rating: (39) Feedback Score: 39 reviews

11-04-2015, 03:17 AM	#11
silviamang Zilvia Junkie Join Date: Feb 2008 Location: Japan Posts: 319 Trader Rating: (2) Feedback Score: 2 reviews	uploadfromtaptalk1446632142497.jpeg This is what happens when you run a transmission with no sensors. Don't do it.

11-04-2015, 04:03 AM	#12
Sileighty_85 Post Whore! Join Date: Dec 2006 Location: Misawa, Japan Posts: 6,815 Trader Rating: (8) Feedback Score: 8 reviews	Boom __________________ 後輪駆動車１番 1989 Built SR GT2871R -363whp 1998 S14 W/RB25- 250ish (For Now) 1986 SR86 - 200ish 1990 R32 GTR - 320hp Don't Buy Engines from JDM-Online http://zilvia.net/f/businesses/207457-jdm-online.html Don't Buy XS-Power or SSAC Shit

Thread Tools
Show Printable Version Email this Page
Display Modes
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode