Question about 1994 Toyota Camry

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Speedo bounces 1994 Toyota Scepter (Camry). Speedo sits on 0, when I drive over a bump or ease off the gas it bounces up to correct speed. Re-accellerate and it goes back to 0. Is it electrical or other?

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Yes is elctrical . a small part on the side of the transmision caled speed sensor sending unit replace it

Posted on Dec 22, 2008

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1994 prizm speedometer eratic tried 3 used clusters and replaced sensor New schematic shows ckt runs through ECM is this a possibility


automatic or stick shift car???????
prizm = toyota corolla, (vast parts to be had and books on same)
1994
what are the symptoms, not guessing I need all facts on symptoms.
lets see. 1.6L engine or 1.8L , sorry they are not the SAME>
so what engine is there?

fuses test good?
car drives perfectly, all other electrics run ok , all lighting ok.
bad cluster , well what is bad, tacho, speedo, odometer, gauges, warning lamps. what?
say all things in the cluster that work and not work.
then and only then can any one give good advice.
ill run with only speedo needle bounces,
most 90s cars love to do that, its a fact. (high miles)
if need speedo and dead odometer that is unique.
that is correct more modern cars, all deleted that speedo cable
long long ago and is now a 10cent wire from cluster to ECU.
as did yours.
since the ECU knows speed already why not let it do the job for free. and did.
end history class but, the odd duck cars exist.

first thing to do is learn that the cars ECU has flash codes
you jumper 2 pins on a DLC, and the ECU flashes the CEL lamp with codes, if the code for VSS is set BINGO transmission VSS is dead, or erratic. code 42 tells you VSS is bad. does it flash 42?

The ECU uses speed, to calculate load and fuel better , knowing this facts.

but in your case its 1/2 true, the odd duck, the toyota way in 1994
is to have the VSS sensor drive the cluster
and the cluster speed drives the ECU.
(have book in hand from mitchells online, so can you of you look)

V3 is bad, (or as in all electrics, (laws) wires./loose/bad, there.
VSS means veh. speed sensor
my guess is you will ask where is it, like all here do not wanting
to pop 15bucks to read at mitchels.
At 55 mph:= 48 Hz ( the signal speed on it) square wave.

where it is depends on auto or stickshift
but its FWD and this sensor in on the side with axle ring gear
i guess.
the 3 wire sensor with R-Y, R-G and R-L color wires is a BINGO.

vss-5okvwe4z4w3ktgpaujwqctz2-1-0.jpg

Mar 28, 2017 | 1994 Geo Prizm

2 Answers

Car idel between 0-1 and does nothing when i mash the gas


check fuel filter maybe clogged up and check for low fuel pressure

Mar 23, 2014 | 1994 Toyota Camry

1 Answer

1998 Toyota Camry V6 Auto transmission loses power


Check the EFI main relay base in the relay block forward on the left fender well. On Camrys sometimes the base for this relay becomes faulty and gives intermittent connection. See here p279

http://www.turboninjas.com/camry/eg2.pdf

Nov 24, 2013 | 1998 Toyota Camry

1 Answer

Camry Erratic Gauges


what I have encountered in the past is the ABS module was the cause. what happens is the wire connections become loose and fail to make proper contact, causing the brake,abs, and speedo to stop for short or long periods of time.if equiped with a tach it also will jump from 0 to 1500 or other places. I have noticed that the other components such as speed sensor,abs plugs, or instrument panels does not make all of the above things do this all at once. like I said this has been my findings and only suggesting a hopeful fix for your issue. best of luck to all.

Jul 18, 2012 | 2007 Toyota Camry

1 Answer

1994 Toyota Camry V6 LE --how do i install an aftermarket speedometer?


The replacement would have to be the same type at least. If there were no fitting instructions with it then it is hard to say anything at this range.

The Camry speedo is connected to the ECM, and to the speed sensor in the dash. Details here, p 60

http://www.turboninjas.com/camry/be.pdf

Jan 18, 2012 | 1994 Toyota Camry

1 Answer

My 1991 Toyota 4WD 5 Speed with 22Re Engine speedometer constantly bounces around a lot and I cant accurately read the speed of the truck


check speedo cable for tightness at both ends,1 on trans 1 back of dash.if tight replace the cable,they can bind or strstch in liner causing speedo bounce.

Feb 15, 2011 | Toyota Pickup Cars & Trucks

1 Answer

1994 Toyota Camry LE Sedan intermittent wheel/suspension wobble


How about the rear bearing? These cars do have them!

Aug 11, 2009 | 1994 Toyota Camry

1 Answer

My speedo is playing up. It seems to happen when the weather is wet! The dial mostly sits at 0 then bounces up and down eratically. It has never happened when the vehicle is dry. Could it be water sitting...


more likely the speedo is defective (it is electronic), if the Vehicle speed sensor (tells speedo how fast u are going) was the problem the trans would not shift righ and cruise control would act up as well.

Apr 16, 2009 | 1997 Audi A4

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