Questions tagged [pid]
10 questions
2
votes
1 answer
KWP OBD2 ECU Target Address
When communicating with an ECU via the OBD2 port using the CAN protocol, we have a well known address $7DF. Irrespective of the make and model of the car this address can be used to read MODE 1 information.
When using the K Line and KWP protocol, it…
Mohammed Lokhandwala
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2
votes
1 answer
How difficult is it to collect obd commands ?Will it be different for different brands?
OBD is something very interesting I found these days.Thanks to this repo https://github.com/pires/obd-java-api & wikipedia which provides the basic information of PIDs.But there is a lot of details missing like when the fault is in air bags it is…
Falcon
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1
vote
1 answer
Can I send a PID using CANBus fornat through an OBD2 bluetooth adapter?
I am interested in knowing if, by sending certain AT commands to the OBD2 Bluettoth adapter (for example the generic ELM 327 Mini) I can "program" this adapter and thus be able to send the PIDs in the format established by CANBus (CAN ID + 8 bytes).…
José Cohen
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1
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0 answers
How to find the typical ranges for sensor values?
I've recently got an OBD scanner and have found some of the live data streams to be very useful, I was monitoring the timing advance value and observed it fluctuating at idle by 10 deg or so the range was around (10-20) deg. I then wanted to know…
jamie1989
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Where I can find Specific PIDs list for Hyundai Motor and Mitsubishi Motor?
I am looking for specific PIDs for Hyundai and Mitsubishi vehicles. Can you tell where I can find Specific PIDs list for Hyundai Motor and Mitsubishi Motor?
lei lei
- 111
- 3
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Normal load and long term fuel trim operating range for 2008 Toyota Matrix with 129,233 miles?
When accelerating up an on ramp, are 90%+ engine loads and 10.90 long term fuel trim values within normal operating range for 2008 Toyota Matrix with 129,233 miles?
Edit: - added full spreadsheet
InfinitelyManic
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Cars with single fuel type how retrieve tank level to dashboard?
I see that BiFuel cars had fuel level and type readable from ECU by using pid 0151 and 012F.
Cars with monofuel don't have this pids sensors, so how the dashboard retrive the fuel level?
Maybe the sensor is not connected to ECU but directly to…
Dario
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Is there any source of information about car models and brands in which it is possible to know the fuel level through the OBDII PID 2F?
Although OBDII has been mandatory since 1996 for North American vehicles and manufacturers must respect generic fault codes and that OBDII defines a series of PID commands to know the status of many vehicle operation variables, I have not found (…
José Cohen
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0
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0 answers
Manual calculation of engine load
Calculated engine load (PID $04) is determined (according to SAE J1979) by equation:
LOAD_PCT = [current airflow] / [(peak airflow at WOT@STP as a function of rpm) *
(BARO/29.92) * SQRT(298/(AAT+273))]
⎯ STP = Standard Temperature and Pressure =…
Rafal
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0
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1 answer
Where can i find official scientific documents with table of PIDs for ECU
I need an official document for reading information from PIDs that manage comunication with ECU of car.
I'm searching to sae.org and iso.org but i don't find nothing.
Can someone guide me?
Dario
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