Obd2 - Pc
#21
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I personally would buy a handheld scanner. I got one for $80. Its a cheap one, but it does everything I need. It reads the codes, and lets me delete them.
#22
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I personally would buy a handheld scanner. I got one for $80. Its a cheap one, but it does everything I need. It reads the codes, and lets me delete them.
#23
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this, combined with Digimoto software, will allow you to watch realtime statistics (intake temp, coolant temp, RPMs, speed) along with graphs of all the prementioned while driving from Point A to Point B. Allows you to compare RPM's with MAF Rate to see what RPM's might give best Air Flow, etc.
You are only able to see if you have a CEL or not nana.gif
You are only able to see if you have a CEL or not nana.gif
#24
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this, combined with Digimoto software, will allow you to watch realtime statistics (intake temp, coolant temp, RPMs, speed) along with graphs of all the prementioned while driving from Point A to Point B. Allows you to compare RPM's with MAF Rate to see what RPM's might give best Air Flow, etc.
You are only able to see if you have a CEL or not nana.gif
You are only able to see if you have a CEL or not nana.gif
#27
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found some info about OBD protocols:
An OBD-II compliant vehicle can use any of the five communication protocols: J1850 PWM, J1850 VPW, ISO9141-2, ISO14230-4 (also known as Keyword Protocol 2000), and more recently, ISO15765-4/SAE J2480 (also known as CAN).
As a general rule, you can determine which protocol your vehicle is using by looking at the pinout of the DLC:
![](http://scantool.imechatronics.com/obdii_female.png)
Pin 2_______Pin 6 _______Pin 7 ______Pin 10 _______Pin 14 ________Pin 15 _______Protocol
MUST________ - __________ - _______MUST___________ - ____________ - ________J1850 PWM
MUST________ - __________ - ________ - _____________ - ____________ - ________J1850 VPW
_ - _________ - _________MUST________ - ____________ - ___________MAY ______ ISO9141/14230
_ - _________MUST _______ - _________ - ___________MUST _________ - _________ISO15765 (CAN)
In addition to pins 2, 7, 10, and 15, the connector should have pins 4 (Chassis Ground), 5 (Signal Ground), and 16 (Battery Positive).
<span style="font-size:12pt;line-height:100%">UPDATE!</span>
According to WebTech pin #7 is K-line, pin #15 is L-line. So our OBD-2 protocol is ISO9141/14230
I found a site with nice DIY about OBDII to PC cable.
http://www.planetfall.com/~jeff/obdii/
It says that that interface will support ISO9141-2 / SAE J1962 (OBD-II).
Schematic looks very simple and should cost not more than $10.
What do you think?
Who wants to try?
An OBD-II compliant vehicle can use any of the five communication protocols: J1850 PWM, J1850 VPW, ISO9141-2, ISO14230-4 (also known as Keyword Protocol 2000), and more recently, ISO15765-4/SAE J2480 (also known as CAN).
As a general rule, you can determine which protocol your vehicle is using by looking at the pinout of the DLC:
![](http://scantool.imechatronics.com/obdii_female.png)
Pin 2_______Pin 6 _______Pin 7 ______Pin 10 _______Pin 14 ________Pin 15 _______Protocol
MUST________ - __________ - _______MUST___________ - ____________ - ________J1850 PWM
MUST________ - __________ - ________ - _____________ - ____________ - ________J1850 VPW
_ - _________ - _________MUST________ - ____________ - ___________MAY ______ ISO9141/14230
_ - _________MUST _______ - _________ - ___________MUST _________ - _________ISO15765 (CAN)
In addition to pins 2, 7, 10, and 15, the connector should have pins 4 (Chassis Ground), 5 (Signal Ground), and 16 (Battery Positive).
<span style="font-size:12pt;line-height:100%">UPDATE!</span>
According to WebTech pin #7 is K-line, pin #15 is L-line. So our OBD-2 protocol is ISO9141/14230
I found a site with nice DIY about OBDII to PC cable.
http://www.planetfall.com/~jeff/obdii/
It says that that interface will support ISO9141-2 / SAE J1962 (OBD-II).
Schematic looks very simple and should cost not more than $10.
What do you think?
Who wants to try?
#28
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found some info about OBD protocols:
An OBD-II compliant vehicle can use any of the five communication protocols: J1850 PWM, J1850 VPW, ISO9141-2, ISO14230-4 (also known as Keyword Protocol 2000), and more recently, ISO15765-4/SAE J2480 (also known as CAN).
As a general rule, you can determine which protocol your vehicle is using by looking at the pinout of the DLC:
![](http://scantool.imechatronics.com/obdii_female.png)
Pin 2_______Pin 6 _______Pin 7 ______Pin 10 _______Pin 14 ________Pin 15 _______Protocol
MUST________ - __________ - _______MUST___________ - ____________ - ________J1850 PWM
MUST________ - __________ - ________ - _____________ - ____________ - ________J1850 VPW
_ - _________ - _________MUST________ - ____________ - ___________MAY ______ ISO9141/14230
_ - _________MUST _______ - _________ - ___________MUST _________ - _________ISO15765 (CAN)
In addition to pins 2, 7, 10, and 15, the connector should have pins 4 (Chassis Ground), 5 (Signal Ground), and 16 (Battery Positive).
<span style="font-size:12pt;line-height:100%">UPDATE!</span>
According to WebTech pin #7 is K-line, pin #15 is L-line. So our OBD-2 protocol is ISO9141/14230
I found a site with nice DIY about OBDII to PC cable.
http://www.planetfall.com/~jeff/obdii/
It says that that interface will support ISO9141-2 / SAE J1962 (OBD-II).
Schematic looks very simple and should cost not more than $10.
What do you think?
Who wants to try?
An OBD-II compliant vehicle can use any of the five communication protocols: J1850 PWM, J1850 VPW, ISO9141-2, ISO14230-4 (also known as Keyword Protocol 2000), and more recently, ISO15765-4/SAE J2480 (also known as CAN).
As a general rule, you can determine which protocol your vehicle is using by looking at the pinout of the DLC:
![](http://scantool.imechatronics.com/obdii_female.png)
Pin 2_______Pin 6 _______Pin 7 ______Pin 10 _______Pin 14 ________Pin 15 _______Protocol
MUST________ - __________ - _______MUST___________ - ____________ - ________J1850 PWM
MUST________ - __________ - ________ - _____________ - ____________ - ________J1850 VPW
_ - _________ - _________MUST________ - ____________ - ___________MAY ______ ISO9141/14230
_ - _________MUST _______ - _________ - ___________MUST _________ - _________ISO15765 (CAN)
In addition to pins 2, 7, 10, and 15, the connector should have pins 4 (Chassis Ground), 5 (Signal Ground), and 16 (Battery Positive).
<span style="font-size:12pt;line-height:100%">UPDATE!</span>
According to WebTech pin #7 is K-line, pin #15 is L-line. So our OBD-2 protocol is ISO9141/14230
I found a site with nice DIY about OBDII to PC cable.
http://www.planetfall.com/~jeff/obdii/
It says that that interface will support ISO9141-2 / SAE J1962 (OBD-II).
Schematic looks very simple and should cost not more than $10.
What do you think?
Who wants to try?
#29
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<div class='quotetop'>QUOTE (Dmitry @ Feb 1 2006, 08:55 PM) <{POST_SNAPBACK}></div><div class='quotemain'>Do Korean Spec Tib have same OBD2 port as US Spec?</div>
Yes they do, but they use different software so you won't be able to read a Korean spec ECU with US software.
Yes they do, but they use different software so you won't be able to read a Korean spec ECU with US software.
#30
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<div class='quotetop'>QUOTE (Dmitry @ Feb 1 2006, 08:55 PM) <{POST_SNAPBACK}></div><div class='quotemain'>Do Korean Spec Tib have same OBD2 port as US Spec?</div>
Yes they do, but they use different software so you won't be able to read a Korean spec ECU with US software.
Yes they do, but they use different software so you won't be able to read a Korean spec ECU with US software.