Odometer and speedo not working. - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

Shifty671 · 08-31-2013, 12:27 AM

Like the title says I have been having this issue. I recently drop my tranny to replace my release bearing and pilot bushing. After putting it together I noticed my speedo stop working. Then a couple days want by and I noticed my miles stayed the same. I am sure I hooked up all the sensors correctly. Can somebody give me some insight or point in the right direction? I been reading around but can't find any solutions.

Thank you.

KiLLeR2001 · 08-31-2013, 08:55 AM

Definitely sounds like the speed sensor is disconnected in some way shape or form.

240dream · 08-31-2013, 09:52 AM

Speed sensor unhooked will cause this just happened to me I got under the car unplugged and replugged in and all is good now

zerodameaon · 08-31-2013, 06:37 PM

or the gear got stripped or otherwise broken.

Shifty671 · 08-31-2013, 08:13 PM

Quote:

Originally Posted by zerodameaon

or the gear got stripped or otherwise broken.

What gear would that be?

zerodameaon · 08-31-2013, 09:04 PM

The one on the end of the speedo sensor. It is just a plastic gear and they can sometimes fail.

Shifty671 · 08-31-2013, 09:08 PM

Quote:

Originally Posted by zerodameaon

The one on the end of the speedo sensor. It is just a plastic gear and they can sometimes fail.

R u talking about the one in the gauge? I'm gonna under the car tomorrow and double check the sensors. Maybe I missed something.

KevinEdgar · 08-31-2013, 09:35 PM

Plastic gear he is talking about sits inside the transmission which is the sensor. Check your speed sensor wiring, you may have accidentally cut one of the 2 wires when removing/installing.

Shifty671 · 08-31-2013, 10:06 PM

Quote:

Originally Posted by KevinEdgar

Plastic gear he is talking about sits inside the transmission which is the sensor. Check your speed sensor wiring, you may have accidentally cut one of the 2 wires when removing/installing.

Gotcha. I will double check that. Thanks.

Mikester · 09-01-2013, 11:17 AM

If that doesn't work, try switching the VSS polarity (reverse the two wires)... It's a polar signal (phased AC) and could be 180* off.

KoukiMonsta · 09-03-2013, 06:35 PM

Quote:

Originally Posted by Mikester

If that doesn't work, try switching the VSS polarity (reverse the two wires)... It's a polar signal (phased AC) and could be 180* off.

Mike, I verified polarity does not matter when tracing down my speedo issues. (Friendly FYI..since u def helped me to get it solved)

OP - I went through 2 clusters with bad speedos. What a pain..finally a third and it all works.

But then it went out AGAIN! I bent the prongs on the clip where it goes into cluster rear and bam. We are good.

But I feel you disconnected it while pulling tranny.

08-31-2013, 12:27 AM	#1
Shifty671 Zilvia Addict Join Date: Apr 2013 Location: Japan Posts: 983 Trader Rating: (51) Feedback Score: 51 reviews	Odometer and speedo not working. Like the title says I have been having this issue. I recently drop my tranny to replace my release bearing and pilot bushing. After putting it together I noticed my speedo stop working. Then a couple days want by and I noticed my miles stayed the same. I am sure I hooked up all the sensors correctly. Can somebody give me some insight or point in the right direction? I been reading around but can't find any solutions. Thank you.

08-31-2013, 08:55 AM	#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	Definitely sounds like the speed sensor is disconnected in some way shape or form. __________________

08-31-2013, 09:52 AM	#3
240dream Zilvia Member Join Date: Nov 2010 Location: norwich ct Age: 33 Posts: 214 Trader Rating: (4) Feedback Score: 4 reviews	Speed sensor unhooked will cause this just happened to me I got under the car unplugged and replugged in and all is good now __________________ All I read was "I'm a little bitch and don't belong in this thread".

08-31-2013, 09:35 PM	#8
KevinEdgar Zilvia FREAK! Join Date: Jan 2011 Location: osaka, japan Posts: 1,176 Trader Rating: (19) Feedback Score: 19 reviews	Plastic gear he is talking about sits inside the transmission which is the sensor. Check your speed sensor wiring, you may have accidentally cut one of the 2 wires when removing/installing. __________________ http://milktea-man.com

09-01-2013, 11:17 AM	#10
Mikester Nissanaholic! Join Date: Jun 2007 Location: Kathleen, GA Age: 53 Posts: 1,956 Trader Rating: (0) Feedback Score: 0 reviews	If that doesn't work, try switching the VSS polarity (reverse the two wires)... It's a polar signal (phased AC) and could be 180* off. __________________