Question about 2002 Honda Accord

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Can't pull codes

I hook up my OBD2 scanner and it powers up but when I try to pull codes I get an error,I figure the datalink wire to the computer is bad or the computer itself has failed,I've checked all fuses and all are good, the car also seems to be running rich and doesn't have a lot of power

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Give the port conections a spray with wd 40 then a rub with a tooth brush.and try again.

Posted on Sep 24, 2008

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Someone else posted that the dome light fuse also affected the code reader.

Posted on Aug 10, 2008

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2 Answers

So how did you get from $7e8 to po708 ?


Because there aren't any codes like you have there $7e8 ,where did you pull this from ? What year , make and model vehicle .

Dec 07, 2016 | Cars & Trucks

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No power getting to the radio or remote central locking and no power to the diagnostics plug


If your obd2, pin 16 at datalink connector should be hot. That is usually a fused circuit. Your year--make--model didn't post for some reason? I need that info to look up wiring diagram.

May 17, 2016 | Cars & Trucks

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Generated DTC P0340. Replaced both position sensors but still have DTC P0340. Why?


Did u clear the code with obd2 scanner if not try unhooking battery for 15 min and then hook battery back up if code still comes up may have bad wire some where or faulty sensor

Apr 30, 2015 | 2001 Dodge Intrepid

1 Answer

How can I inhibit the ecm test mode so I can read the error code


You will need an OBD2 scanner which can purchase a cheap one just to get the diagnostic trouble code. It's not like the older vehicles you could just use a jumper wire. Most of your local auto parts stores will pull the codes for you at no cost.

Apr 03, 2012 | 2007 GMC Savanna

3 Answers

When I plug my scan tool into the computer of my 95 S10 jimmy, there is no communication. I tried replacing the omputer and got the same.


Okay, what you may have on your hands here is what has become known as an obd1.5 computer setup. Some of the 94's and 95's were made in anticipation of the switch to the obd2 set up. To determine if you fall in to this category locate your vehicle's computer. If it is under your hood in the engine compartment and you have two oxygen sensors and the port for your scanner fits an obd2 scanner then you have an obd2 system and your inability to link is either an electrical issue or something wrong with the computer itself.

If the computer is not in the engine compartment, you have one oxygen sensor, and the port for your scanner is rectangular you have an obd1 system.

If your computer is not in the engine compartment, you have one oxygen sensor and you have an obd2 scanner port you have an obd1.5.

Obd1 systems can be checked with an obd1 reader or much more easily with a paper clip or jumper wire. Just google something to effect of obd1 paper clip method. If there is still no communication once again you more than likely have an issue with your computer or electrical system.

If you have a true obd1.5 system do not fret there is still hope :) Yes there are some obd2 scanners that will work on these and there are some reportedly fancy obd1.5 code readers, however the easiest (and least expensive) way to pull the codes from this system is to use a modified version of the paper clip method. Instead of using your paper clip or jumper wires on terminals A&B, jump terminals 5&6.

Look at your scanner port. Count the terminals on the top row starting from the left. There should be connections in terminals 4, 5, and 6. Connect the jumper to terminals 5 and 6 and turn the key to the 'on' position (without turning the engine over). Your check engine light will flash. Each code will be two digits long and will flash three times (sort of like morse code). The first one will be a 1 and a 2, thus code 12. This code can be overlooked as it is just stating that the computer is being jumped. The codes that follow are the ones you should take note of.

These two digit codes correspond to the two digit obd1 codes. You can find their definitions on any number of websites. I personally prefer the haynes troublecode book though as it includes some make specific information.

Good Luck!

Apr 25, 2010 | 1995 Chevrolet S-10 CA Edition

1 Answer

Amber light came on seems to be no power have no manuaul to check what the light is it looks like an engine


This your check engine light. The computer is registering a fault, you must have the car hooked up to an OBD2 computer scanner. autozone will rent one out if you can't bring car to them (its free, you just have to put a deposit down and its refunded when the tool is returned). This device will give you the error code, post it to determine the exact issue. Hopefully this helps!!

Mar 28, 2010 | 2003 Nissan Altima

2 Answers

Wont read obd 11 at all


some cars power thes canner through the lighter fuse, if its blown the scanner cant get power from the obd2 plug.

Sep 18, 2009 | 2001 Dodge Caravan

1 Answer

OBD2 "Link Error"


Blown power fuse for obd connecter. May be under hood or in interior fuse panel.

Mar 31, 2009 | 1999 Pontiac Montana

2 Answers

Obd 2 connector does not work with any code scanner


HI there....Check to see if the code reader is a CAN OBD 2 code reader. If it is only OBD2 , that may be the problem. In 2003 Some vehicle manufacturers ( ford,Gm,Mazda and Saab) began using a new computer protocol called Controller Area Network (CAN) with the OBD2 and if your vehicle is CAN OBD 2 the simple OBD2 code reader will not work.Contact your local dealer to determine if you vehicle is CAN or not or find a code reader that is CAN OBD2 capable. Hope this helps you out

Jan 24, 2009 | 2004 Chevrolet Tahoe

1 Answer

2001 Hyundai Sonata, no power to datalink


Hi it is possible on your car that it will have a obd2 socket but will not be obd2. What are you useing to try to read the fault codes?
As far as the fault goes have you tried a new MAF?

Nov 15, 2008 | 2002 Mercedes-Benz SLK-Class

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