Question about 2001 Toyota Yaris

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The only thing I can say is that if you pull the fuse to the ABS, it will no longer work. The light will be on in the dash, to show that the ABS is not working. The brakes will work fine but the ABS will no longer keep you wheels from skidding on a quick or hard stop. So get it repaired as soon as you can.
I hope this has been of some help

Posted on Apr 22, 2014

  • 1 more comment 
  • Saeed Khan
    Saeed Khan Apr 22, 2014

    Thanks Roger, but I am already aware of the importance of ABS.. thats why i want to get it fixed ASAP.

  • Saeed Khan
    Saeed Khan Apr 22, 2014

    Thanks Roger, but I am already aware of the importance of ABS.. thats why i want to get it fixed ASAP.

  • Saeed Khan
    Saeed Khan Apr 22, 2014

    the thing i want to know is if its mandatory to change the complete ABS system of there might be other components that may be causing this malfunction.



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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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SOURCE: Toyota Land cruiser ABS Failure

What kind brake fluid you use, the best way is to get dealer O ring and use dealer's brake fluid. some brake fluid damaged the rubber.

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SOURCE: Toyota Sienna 2002

I have the same problem. I called modulemaster,com they cannot repair sienas's abs.

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SOURCE: Toyota Vitz 2003: (ABS and HandBrake warning light constantly on)

this is a common first sign of your antilock brake computer failing. You will most likely never feel a difference in your car but there is a slight chance all your safety features will not operate properly in a collision.

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SOURCE: I have P0770 code on my 2003 Toyota Matrix 2WD

First I would try resetting the ECU by disconnecting the battery for a few minutes. This will remove the code. Then see if it comes back. Mind you you will not pass inspection, because the ECU will need to monitor a certain amount of driving "cycles" before inspection will accept the findings. Before that, replace your O2 sensors, and get those out of the way. P0770 is a Shift Solenoid E Malfunction. You will have to look at a manual to find out which Shift Solenoid that "E" refers to and where it is located. TC lockup, refers to the TC lockup solenoid. If so I would try replacing that and going from there. The auto transmission is a pretty complicated beast, and even the most experienced DIY'ers would go past the normal maintenance. HOWEVER, changing solenoids is considered, at least to me, DIY maintenance. Whats is your RPM when cruising at say 60 mph. If its more than 2400 rpms, then i would say it is your lockup solenoid. hope this helps

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SOURCE: my 2002 toyota sienna has evap system malfunction

You are on the right track, you replaced the vent valve and replaced the vsv valve in the engine compartment that should of solved the problem as long as the correct valves were replaced, i would check for a leak in a hose for the evap system, a smoke test would be a good way, the canister may not be the problem but the valves on the canister, there are a few vsv valves on the canister and also the pressure sensor, the switching valve is very common also, there are so many valves thats why the dealer replacing the canister as an asm, hope this helps also make sure gas cap is good.

Posted on Jan 07, 2011

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1 Answer

Speed sensor code po501 where is it locate

is your abs still working, if so it's not speed sensor as the abs unit tells the ecu your speed to the speedo dash. sensor is on the left front wheel. from driving seat. but some countries have it set to right wheel depending on your country. it will be the connection from the abs unit to the ecu that's the problem if abs is working, as there would be no code from the ecu to the speedo. can be the feed from the ecu if the speedo flickers up and down,

Apr 06, 2018 | Cars & Trucks

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2009 Yaris VSS with manual transmission. Speedo and odo don't work and MIL has code Po500. No ABS light. Where is the location of the VSS sensor?

The Vehicle speed sensor comes from the combination meter , and that comes from the ABS ECU first . Could be a shorted wire , to ground , usually has something to do with the radio installation but faulty meter is a possibility .

Nov 27, 2017 | 2009 Toyota Yaris

1 Answer

My 2001 impala has problems switching through gears while driving, only when speedometer bounces. Replaced speedo sensor, but still bunces.

You replaced the wrong part ! Should have had the vehicle checked for DTC'S - diagnostic trouble codes . Replaced what speedo sensor ? No , it's not a ground wire !
Your probably have a bad wheel speed sensor ! Have it checked for DTC'S
The IPC displays the vehicle speed as determined by the IPC. The IPC calculates the mileage based on the class 2 vehicle speed message from the PCM. The IPC calculates vehicle speed based on the class 2 wheel speed message from the EBCM if a loss of communication or malfunction occurs with the PCM. The speedometer defaults to 0 km/h (0 mph) if the IPC detects a loss of class 2 communications with both the PCM and the EBCM.

EBCM - electronic brake control module - ABS

Jun 30, 2017 | Cars & Trucks

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Speedo stopped working, abs and brake waning light are on. Stuck in 1st gear. Spoiler stuck up

Try checking for speedo with other problems usually vss (vehicle speed sensor) shot

May 20, 2016 | 2004 Chrysler Crossfire

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Why is the speedometer reading erratically?

Depending on the type an year vehicle an the electronics on the car , the instrument cluster could be at fault ! The stepper motor that moves the speedo could be the problem if a GM product ! As far as the speed sensor goes a few other things wouldn't work very well if it were bad an the check engine light would be on more then likely because this is an input to the PCM - engine computer ! The transmission would shift erratically !
The IPC displays the vehicle speed based on the vehicle speed signal from the PCM. The PCM converts the data from the vehicle speed sensor to a 4000 pulses/mile signal. The IPC uses the vehicle speed signal circuit from the PCM in order to calculate the vehicle speed. The speedometer defaults to 0 km/h (0 mph) if a malfunction in the vehicle speed signal circuit exists.
So I would say the instrument cluster is bad !

Jun 10, 2015 | Cars & Trucks

1 Answer

My citron pricasso show on the dashboard - break fault and abs non function als doesnt show speed reading

speed reading may be a bad vehicle speed sensor or broken / disconnected wire to that sensor ~ it should also light up your check engine light ~ confirm by using a scanner to get a trouble code

abs brakes, similar process ~ need a scanner to find out which sensor went bad or wire disconnected to it or visual inspection of those sensors

Apr 13, 2015 | 2009 Citroen Xsara Picasso

1 Answer

Asb light is on & speedometer quit working

does car drive? (ill presume no)

you mean ABS, antilock braking system.

the Check engine light is not on , running, if is scan it.

of car runs perfect.

but ABS is on, read operators guide, it say take it to service.

if you open the FSM it says what to test, all tools you dont have

but most ABS fails are BRAKES bad or dirty sensors , or got hit sensors (wheel sensors, see those tone rings???)

fix the brakes first, normal brakes.

the speedompeter., that is hopefully just a bad fuse.

if not a fuse post back there are other tests

here is just one:

1: attach, scan tool does MPH at VSS sensor read rigth at all speeds.

yes, then the speedo is bad.

no, then the VSS is bad. and ECU will puke lots of DTC errors for that.

Scan the ECU/PCM for errors.

Feb 02, 2014 | 2006 Toyota Tundra

1 Answer

ABS and TC light on. Speedometer and odometer are not working

If the speedo and odometer are not working it could be the speed sensor in the transmission. And the speed sensor could also knock out the ABS and traction control systems.
Have you had the body computer scanned for trouble codes ?

Sep 03, 2012 | 2000 Cadillac Catera

1 Answer

I have a 1999 dodge ram 2500 with a diesel. i changed both speed sensors and my speedo dont work and my abs, light and brake light is on as well, when they run a code scanned no codes come up for the

NO code ? the first thing is to make sure all the fuse are good, the next thing is to connect a scan tool and check for readings to speed sensors.

Some of these use the wheel speed sensors to control the speedo and abs , the speed sensors in the transmission are used to control gear shifting, make sure the wheel sensors are working, the most common problems are the wiring to the rear sensor and the rear sensor itself, check on the rear end on the top and make sure connection is good and maybe replace that sensor and see what happens, i have run into this problem a few time but some were diffrent. one was a bad rear speed sensor another one was the cluster and the last was the abs module.

I would start with checking all the fuses first, then move on to replacing the rear speed sensor located on the rear top of the diffrential . good day.

May 19, 2012 | Cars & Trucks

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