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7

It might seem easy to integrate a sensor that detects the opening/closing of a mechanical thermostat's pintle (LVDT, for example) but here are some challenges which would need to be addressed: Cost vs Benefit Is a "smart" thermostat really worth the extra hassle and money when its dumb counterpart has the following to offer? : it's already ...


5

There is a distinction that needs to be made between: OBD: this is an interface, that specifies the physical and electrical parameters required to connect a diagnostic computer and the car's electronics in a standard way. This is the bit that is mandatory by legal requirement, so that a car manufacturer cannot "lock in" its vehicles by requiring service to ...


3

Most of the time, intake air temperature is not the same as ambient air temperature. This is because the air absorbs heat from the hot engine bay area before the intake air temperature sensor (IATS) measures its temperature.The heat-soak effect typically worsens on hot days and when the engine is under high loads. Another factor to consider is that the ...


2

OBD is a standard for a diagnostics port that provides emissions-related info on the diagnostics port. Contrary to popular belief its purpose isn't to prevent lock-in by car manufacturers but only to allow service centers a standard way to access emissions-related info required for mandatory checks like the "MOT test" (as they call it in the UK). The ...


2

The two requirements are separate. OBDII is required in all vehicles since 1996. This is primarily an emissions related regulation to formalize how vehicles would relay emissions failures to the user and to mechanics. The standard has many parts, but it primarily designated a connector, its pinout, and allowed one of five different electrical signalling ...


2

How is the OBD and CAN exactly related? Controller Area Network (CAN) is ISO 11898 standard. It, like most other networks, is based off of the OSI model. It specifies certain parameters for communications between vehicle systems. CAN was first specified in 1986 by Robert Bosch at the Society of Automotive Engineers (SAE) congress. CAN uses serial ...


2

OK, so it seems like the IAT on this model is integrated with the MAF:


2

I think you misunderstand the purpose of the Mass Air Flow (MAF) sensor (and whoever wrote what you read doesn't understand, as well). The purpose of the MAF is to read the amount of incoming air. As the incoming air flows over the heated sensor, it cools the sensor which regulates the amount of electricity which can flow through it. It is in no way ...


2

This is normal behavior for some vehicles. They utilize the fan to further cool the system after engine shut down (even though it does not further circulate the coolant). This is something I would not be worried about.


2

I suspect that the sensors were detecting the loose paint as an object very close. You should be able to re-paint them, but I don't know if they would need a special sort of paint - it might be worth checking with Ford


2

The Lojack is what is called the "aftermarket" in the automotive sales world. This is just one way a dealership will try to rip you off when purchasing a new (or used, for that matter) vehicle. When I say "rip you off," I'm not saying that the product doesn't work as advertised, as I'm sure it does. What I'm saying is, they mark up the price on such items to ...


2

Disconnect the battery terminals. Unplug srs fuses if any exists in your fuse box. Unplug the steering wheel airbag its a yellow wire under steering column with a warning label. Unplug the dashboard air bag if you have one. It's a yellow wire under the dash. Same warning label on the passenger side. Replace your sensor Put your fuses back and connect ...


2

Since you said the reverse lights are still working, it's not the reverse switch. This switch signals to the engine computer if you are in a gear or neutral. The computer uses this switch to determine several things, including how to handle engine deceleration during shifting and the idle feedback loop. With 1 wire broken, the computer only ever sees this ...


2

I don't think CAN is a necessary part of OBD, it's just the most commonly used system. The OBD requirements are for consistent diagnostics (so that, in theory, any car can be plugged into a standard reader and give a standard set of error codes), wheras CAN is a method for the internal components of the car to communicate (similar in many ways to the USB ...


2

None of this is true. In the same way as there was an EU Directive that all cars be equipped with ABS but TVR didn't subscribe to this. My uncle has just sold a 2005 Caterham Se7en CSR-200 which used MBE management and was definitely not CAN-BUS. We're building another one in October of this year and if it genuinely is CAN-BUS I'll let you know but I have ...


1

As per your question the issue is about overheating. For that we already have a coolant temperature sensor, which can alert the driver when there is over heating. For your kind information there are electrically controlled thermostats in some modern engines of Mercedes and maybe in some others too!!!


1

If your engine is the ABA engine, it's located in the distributor. You have to disassemble the distributor in order to get it out. For the money, they suggest it's a good time to replace the entire distributor. (NOTE: I'm not promoting that site ... please do your research and get what is right for you. Please notice what is said on the line for the sensor, ...


1

i just had this dumb problems fix for good, for months even after i change the sensor at the mirror the problems of erractic temperture keeps coming back. today my mech took the bunch of socket out between door and the car body spray some contact cleaner and blow off any access with the pressure blower for abt 15 sec ......wah lah all back to normal , this ...


1

Some tire pressure sensors are not in the tire, but part of the anti-lock brake system. The wheel speed sensor is used to track the rotation of the tire. When it becomes out of sync with the other three, it shows on the dash as a low tire indication (I don't know what the differential has to be to register, though I bet it is manufacturer dependent). What ...


1

All the analog gauges work by sensing varying resistance by a float sensor which eventually results in thermal conversion or Voltage mapping to fuel levels. The accuracy suffers due to non-linearity of these float sensors.The methods mentioned by Nick & Mac are right here; but it gets very tedious if your demands of accuracy are nearly 1% of total volume ...


1

LoJack can only be installed by authorized installers. The price of installation is fairly consistent. OnStar and other similar services offer a similar feature set, but are not necessarily as secure. OnStar now offers an aftermarket upfit system that can be installed into any car or truck (not available for motorcycles/scooters, while LoJack is). A ...



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