Question about 2003 Toyota Sienna
ABS light, Brake light and occasionally the Low Tire Pressure light come on and shut off at different times. Replaced the right rear speed sensor and the problem continued. Also switched the rear hubs left to right and the problem persist on the right rear side.
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Posted on Jan 02, 2017
SOURCE: low tire pressure light
Do you have sensors in the wheels? I dont think so, but If you do... I recommend setting the tire pressure at 35, if you set any lower, the light will come on when it gets cold and the pressure drops. Did you also set the spare?
You can reset the light by finding the button underneath the drivers dash, and with the key on, hold the button in until the light goes out. Then let go, and press again, hold until the light flashes 3 times, then it should stay out.
Posted on Jan 25, 2009
You have to "Teach" the tire sensors to the correct pressure. The 02 Sienna does not measure the actual PSI tire pressures, it measures the RPM of the tires. with the tires set to specs, the rotation RPM is "x". If a tire goes low, the rotation RPM would bt "y", and that will light the light.
The proceedure: Set the tires to specs with a known good pressure gauge. The ones that you can put in your pocket, that looks like a pen, are alway sincorrect. Get one with a needle reading. Set the tires correctly. Now, press the reset button, hold it until the light blinks 3 times. Drop it into gear, and DRIVE IT. 8-12 miles, above 19 MPH, and UNDER 61 MPH. This will re-teach the ABS computer the correct values.
Posted on Apr 01, 2009
have you checked the earthing continuity-if it's this other bulbs may also partly light when brakes used
Check continuity of live from center to lh & rh lights and/or is there a live at those lights
Posted on May 03, 2009
I have a 2001 Sienna and have had to replace most of my tail light bulbs.
The bulbs that are mounted in the fender (wrap arounds) have acess panels in the van's interior that easily pop out and expose the back of the light assembly.
However, the bulbs that are found in the lift gate are a different matter. You have to remove the whole interior panel to the lift gate to expose the light assemblies. Go to your auto parts store and get a tool to help pop out the plastic retainers from the lift gates metal frame. Don't force the retainers out. Go slowly and gently so that you don't damage the interior panel. If you are really gentle you might even get to reuse the retainers.
Posted on Jul 01, 2009
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The 1998 Sienna has one speed sensor in each tire (ABS sensors.) These sensors are used by the ABS system, but also to calculate the vehicle speed and for the tire air pressure monitor. If you are getting a P0500 code and your speedometer does not work, your problem could be a faulty speedometer. If one of the speed sensors were bad, the low tire air pressure light would come on. See http://www.fixya.com/cars/t21907247-transmission_speed_sensor
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