Question about 2002 Toyota Tacoma
Connect new aerial antenna to radio
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: avensis verso 2005
hmm, ok, some vehicles i.e.mine ,has a courtesy light cancelling bitton swith on the dashboard on the lft end or drivers side, I guess it's so a person(s) can enter or exit the vehicle in a stealth mode.. It's not the dash light dimmer although that switch also controls the interior lights, what drove me crazy was whether or not the lights had been turned off individually when a door was open. If thats possible at all. Won't hur to ck. If you still have the owners book it should say somrthing. It more than likely is something that simple. good luck
Posted on May 11, 2009
SOURCE: how to reset service light
You have to have the computer scanned to check for fault codes . When you cancel the codes with the scanner it resets the check engine light. If you don't correct the fault the light will come on again.
Posted on Feb 03, 2011
SOURCE: HI I have toyota avensis verso
Air/Fuel Sensor Heater Circuit. (Bank 1 Sensor 2)
The A/F sensors are positioned high in the manifold before the cat and are used to make adjustments to the air/fuel ratio of the fuel injection system. The heated oxygen sensors are positioned after the cat and check the efficiency of the cat (what happened in there as a result of the A/F sensors above). They too can signal changes to the air/fuel ratio. These latter sensors only work when they are hot and need to be electrically heated quickly to give decent information quickly. They work by comparing the oxygen inside the exhaust with the oxygen on the outside.
You could say that the ones before the cat make large adjustments and the ones after make smaller refinements.
It is worth remembering that a fault code could have been stored because at some stage the sensor went outside of its range and for this reason it is always worth cancelling any stored codes as this sometimes puts the light out. There are also several other reasons why a sensor could be showing a fault (it is correctly saying that something else is causing incorrect air/fuel ratio) such as leaky EGR valves or vacuum pipes so just have a look around to see if there is anything obvious.
The DTC code will normally indicate the exact sensor that is faulty or at least showing out of range and not the group of sensors. In this case as you stand looking at the engine from in front of the car it is the top one on the drivers side.
Keep in mind they are sensitive devices (read that as fickle) and although you should start there you can often end up changing more than one and some cases even the cat before you can get them to settle down.
Posted on Mar 07, 2011
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