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8

For checking codes, any off the shelf obd2 reader will do. If you want to have fun, ELM327 based OBD2 readers are all the rage right now. You can pick up a bluetooth version for ~$40 on amazon or ebay. Several iOS and android apps (like Torque) exist that can read a signal from these adapters and do full on data-logging. This will let you read/clear ...


8

The cable is more than just a cable, it has a microcontroller that handles the car's diagnostic protocol. The software on your computer talks to the cable with a proprietary protocol specific to the cable's manufacturer, and the cable itself translates that to the car's protocol equivalent. I've actually wondered why we can't have a single cable for all ...


6

ELM327 is not supported by iPhone as Apples Bluetooth Stack does not support the Bluetooth Serial protocol, the ELM327 is in it's simplest form a ODB to Serial Adapter with the serial data fed to a Bluetooth modem.


5

since installing new 02 sensor engine light has not reappeared after clearing w/obd2 device and torque free app. TOTAL COST= ~$27 7 31 13 ordered Koolertron F-12 ELM 327 OBDII PC Car Diagnostic Scanner Electronics EggDeal via amazon $9.50 to use w/android smartphone torque free app to read & clear obd codes 8 10 12 friend sprayed hoses he knew to be ...


5

Pending code? The user manual for your device says it should say "PD" for pending codes, so maybe not. "P0130 P" isn't a valid DTC for your vehicle so pending code is really all that makes sense. More specific to your model P0130 is front oxygen sensor circuit range/performance problem (Lean) Possible causes: Open wire to O2 Sensor Short to ground in O2 ...


5

Diesel engines typically have a vacuum pump to supply power to the brake boosters. If your 2008 Tundra doesn't have a diesel engine, then that gauge is likely referring to the vacuum pressure being measured in your intake manifold.


4

Apple will not let you connect to the ELM 327 Bluetooth Interface as the manufacturer has not paid APPLE to support their bluetooth stack. Gotta Love EM' There are plenty of apps for the Android that work well with the ELM 327 Bluetooth modules.


4

If you are simply buying it to try to fix your car, and not as a tool to have, car part stores sometimes read the codes for you. The readers will usually have a description, but if not OBD-II became a government standard in 1996. The codes are basically the same accross the board, and any additional codes are manufacturer specific. To translate them, you can ...


4

ELM documentation indicates that this is not a query-only problem. I see on page 31 of that document that the issue was that of the rate at which J1850 requests arrive at the OBD system (this is a consequence of the April 2002 update of the J1979 standard). Specifically, they warn you against querying at rates higher than 100 milliseconds (also known as 10 ...


4

The diagnostic trouble code is not to be looked at as a root cause of the system failure. (example. Replacing a blown fuse is NOT a solution) In all cases there are multiple components that can cause the same code to trigger. For instance, a possible vacuum leak, or EGR problems, and even a PCV issue, could all show o2 sensor readings with tendencies towards ...


4

I am not sure of your exact solution, but Brian Blum of Texas Instruments says the amperage draw depends on what state the device is in, of which there are seven states. According to the document in the link, it draws as follows: State 1 (wake-up) - 6.1mA State 2 (pre-processing) - 8.1 mA State 3 (pre-RX) - 12.3 mA State 4 (RX) - 22.3 mA State 5 (Rx-to-Tx) ...


4

This should not cause you an issue, but this sounds more like a problem with the O2 sensors than with the intake gaskets. When was the last time you had them changed? If you are over 100k miles without new ones, I'd highly suggest this first. One way to check your theory for the intake gasket is by using a spray bottle with water (on jet, not spray). With ...


4

I am a CAN App programmer so I would like to share a bit of my experience. Yes, you can report false. It's even very simple. Just watch for messages you don't like and then report error. But what is the point to implement such a stuff? Then you will not be longer able to read error or some other parameters by your own. Also yes, if he is trying to ...


3

It seems that the correct code was already one of the listed ones, still there is a trick: it seems you are able to put the PIN code only one minute after the device was powered.


3

The PIN code is 6789 instead 0000 or 1234


3

Be cautious, OBD-II is not as standardized as most people think... Ford & GM both went their own ways with early OBD-II cars and industry standard "ISO only" readers won't work on them. You need tri-mode readers that also support VPW (? going from memory, I believe that's Ford's OBD-II interface) and whatever GM used. Side note, the Toyota Supra ...


3

Look at the ALDL connector if you have this on it's OBD II If you have something differant like the one below, it' not OBD II


3

Off the top of my head, the easiest way to get there would be using some sort of hobbyist microcontroller board, such as an Arduino. You'll need to add encoders since most of the data you'll be receiving will be analog. Since the CPU for your board will include timing by default, you can calculate time-based measurements (RPM, MPH, etc) from that. ...


3

Well, It's not necessarily dealing with the ELM327, but this looks like a FANTASTIC solution. Griffin CarTrip No longer getting developed. Apple is currently not allowing developers to use Bluetooth for this purpose. The only real connection is via Wifi. My initial "assumption" was that if you're connected via Wifi, then your 3G data is disabled and ...


3

This can be reproduced by turning the ignition on and off 3 times (somewhat quickly). ON, OFF, ON, OFF, ON. On the last ON switch, the speedometer should cycle through any error codes. I also found a site that documents this. Different vehicles seem to have different variables: http://www.allpar.com/fix/codes.html According to the site, this should be ...


3

As Tim suggests, clearing the code doesn't solve the problem if it's not a random positive. The engine temperature gauge is fine Based on the information that you've provided so far (and using Tim's link as a reference), it seems likely that you have either a bad engine coolant temperature sensor. The implication from your PS is that the car is, in ...


3

I can't speak to the Torque app, but in my experience the US Gov ratings are typically quite a bit lower than what you can expect to get in actual normal driving (Gov ratings seem to be based around someone that does 15mph+ over the speed limit all the time, launches from every stop light, does full-throttle passing, and doesn't see red lights until they ...


3

Usually the OBD CAN bus is 'bridged' onto the other CAN buses of the vehicle, in order to facilitate diagnostics of ECUs on the other buses. However, the bridge may only pass diagnostic messages onwards :( It's different on every platform. In terms of the protocol - its a classic reverse engineering problem. You need to capture a few traces of the CAN ...


3

I found a site called actron.com that describes OBDII codes. Autozone explains what the camshaft position sensor is. Camshaft Position Sensor Actuator Operation The Camshaft Position (CMP) actuator is attached to each camshaft and is hydraulically operated in order to change the angle of the camshaft relative to Crankshaft Position ...


3

The 'Interpreting Trouble Codes' section (page 26) of the ELM327 Data Sheet has an example of how to fetch DTCs. You first make a mode 01 PID 01 request to determine the number of DTCs (which you'll need to decode the response in the next request). Then you make a mode 03 (no PID) request to get the actual codes. I'll try to paraphrase the example for ...


3

The answer would be yes if the vehicle was produced after 2008, otherwise no. in the following article it states it is required as one of the signalling protocols in OBD2 Post 2008. http://en.wikipedia.org/wiki/On-board_diagnostics#OBD-II_signal_protocols So presently vehicles that are currently being produced do have a CAN channel included in the OBD2 ...


3

There are 6 pins in the OBD-II connector which the manufacturers can use at their discretion. In modern vehicles there are usually 2 or more communication buses. Only one bus is for engine and emissions, which is connected to the standard diagnostic pins on the OBD-II connector. The manufacturer typically connects another bus to the OBD-II connector with ...


2

Apparently, code 1684 indicates a loss of power to the powertrain control module. One of the risks seems to be corrosion on the battery terminals or cables. As the easiest way to clear this code is to disconnect the battery (resetting the code and the check engine light at the same time), that would be a good time to check the battery posts for ...


2

There are a lot of favorable reviews on the ELM327 on DealExtreme. $52.99 currently...


2

Check out this solution at ThinkGeek. It plugs in to your OBDII port, . It connects via Bluetooth, and works with several different apps from the Android market. HTH!



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