I think that may be a weak fuel pump or bad crank sensor. So I bought a Torque Pro plug in ELM 327 OBD2 scanner for my phone, but when I plug it in there is no communication. A physical inspection of the relay module did not reveal any damage or a breakage in the circuit board, and all the four fuses are in good condition. I check the #17 fuse and it is good. ASW Conversations: Mark Lemay says online training is here to stay. The norm states that the port must be located inside the vehicle passenger compartment. The norm states that the port must be located inside the vehicle passenger compartment. The most common reason for getting no OBD code is simply a blown fuse. If not please check the system fuses 17, and 15. I have never seen anything other than the regular fuses. If there is power there it may be another pin causing the problem. It should come on with the ignition key in the on position. I will do that, and inform you of the results. May 3, 2019 by Jason . Looking for location of obd port for 2003 Ford explorer XLT. Browse Print Archives. OBD port is not responding when you put the computer in it You might want to check to see if you have a blown fuse. Here is a diagram for your car on where the components are located. Usually have to pay extra for the software for Euro models. If none of the brake lights are working, we are going to follow the circuit from the fuse box back to the brake pedal. My actual manual indicates #24 is a Cigar Lighter. Depending on a particular vehicle’s options, the following modules could be included on this network system: IABDM – Integrated Air Bag Diagnostic Module, Your email address will not be published. It was just something that happened, all of a sudden. Driving without the brake lights working is just as unsafe as if your Expedition ‘s brake lights were stuck on. So I looked at the plug in under the dash, and only four the many holes actually have contacts. No. Also, if the check engine light itself is out it will cause this problem. Use the scanner to read the codes. There is no module-to-module communication on this network. One of the fuses in there controls the link between the OBD port and the computer. I have a 2006 2.3lt 5 speed. What other testing were you recommending, and how do I make a donation on your site? First, hook up the DVOM (positive lead) to Pin #7 into the back of the DLC connector, the ground lead attached to the chassis. The only thing I can think of is the Ford dealership pulled it back in the fall when they did the fuse relocation for the fuel pump module. The question is, which of the computers needs replacing? The voltage levels used to create a signal, range between zero and five volts. Ford to Spark Stop-Start Market in the U.S.: Matter Network, AUTOBODY ALLIANCE APPROVES GERBER COLLISION & GLASS INTO NETWORK, Volvo Canada announces newly appointed VP of Network Development, Diagnosing Ford communication network problems, Common mistakes to avoid when choosing a motor oil. Starts fine just has problems getting to speed upon acceleration. It won't pass emissions due to the OBD2 port not working. Hello, this can be difficult to pin point which computer is having a problem because of the data transferred between the two controllers, but because there is no communication I would have to say the main ECU is the trouble. Also check the ALDL for … Please let me know what you find, I want to get this problem fixed for you. And always remember … the network must be repaired FIRST. I Was Driving My 2003 Mercedes E320 When A Tire Blew Out. Read the links, but I do not know if my car has any relay. One of the most common (and inconvenient) problems with the Ford Expedition is when it has no heat coming from the heater. Wednesday, September 4th, 2013 AT 9:51 AM. If not please check the system fuses 17, and 15. Not safe to drive. I did not remove the engine module. Wednesday, September 4th, 2013 AT 6:23 PM. Now, turn ON the ignition switch and compare the signal(s) you see with the diagrams below. The voltage should now be at or near battery voltage. I tried my ELM327 Bluetooth, no connection, AutoZone tried theirs, same, friend tried his, same, a friend plugged in his Snap On Solis $4,000.00 scanner, brought up EGR code. Depending on the make and model, it may or may not … Just a guess. The check engine light has been on for the last six months. I replaced it anyway and still won't work. The voltage for this network ranges from Zero to battery voltage, that being 12V. Then, with the ignition switch OFF or ON, there should be NO voltage on the network. I found a dried and split vacuum hose. I thought that might be one of the problems. Since the implementation of the OBD standard, each vehicle has a standard 16-pin connector, as described on our OBD presentation page. I have ordered an adaptor for the data link connection. Thanks, Is It Ok To Buy A 2000 Mercedes E320 Without The Engine Covers And If It Is, Should I Have One But On. page. Each time I have tried scanning my vehicle for codes using the OBDII scanner, there is a message on the scanner stating that it is unable to communicate with vehicle. Here's were it gets confusing. Feature June 1, 2007 by Mike Duguay Diagnosing Ford communication network problems . google search 2008 ford expedition owners manual and download it for free from ford onto your phone/computer then go to roadside emergencies and you will find the passenger/& power distribution box fuse diagrams there Mar 15, 2015 | 2008 Ford Expedition. Required fields are marked *. The USB cable and port are not serviceable separately. The CEL does not come on at all, and the scanner will not read. All was well until recently it started having extended crank times, and then the last few days it's been stalling upon cold startup but it restarts right away. Must Have Connected Up In Correctly As I Replaced Three This Morning. Where’s my OBD-II port? The voltage at “Rest” for Bus + is 0-.2 v. Remember, to get these readings with the DLC and using a DVOM, remember to have the key ‘Off.’ When a message is being sent, the voltages are reversed. View Digital Edition They do not go out very often, but it does happen. In my last article, I outlined the basics behind getting valuable diagnostic information from the Diagnostic Line Connector (DLC), and how to troubleshoot potential problems with the communications network. Great additional information to the thread. Ford Expedition : Heater Not Working Diagnosis. On many cars, the engine control module (ECM)—also called the engine control unit or electronic control unit (ECU) or powertrain control module (PCM)—is on the same fuse circuit as other electrical devices, such as the cigarette lighter or accessory port. It should come on with the ignition key in the on position. Dec 28, 2017 | 2004 Ford Expedition Wednesday, September 4th, 2013 AT 10:23 AM. This can be caused by a fault in the USB cable and port, or by the customer USB device. Is It On Passenger Side Or Driver Side? Here's how techs can embrace it. I tried to update my sync to 2.2 but that was a no go, so I'm not sure if it's more common on 2017's with Sync 2.0 or not. There are lots of issues with my car, but I am not able to correct them because of the OBDII issues. If that fuse is blown, then you'll never get a connection through the OBD port. Ford Expedition Heater Is Not Working Repair Symptoms Blower Motor Replacement When the blower motor fails, the air conditioner and heater may still work, and heat or cool may be felt at the vents, but the air pressure will be dramatically decreased. Does the check engine light work? With the ignition switch OFF, you should have the voltage readings that were mentioned earlier. Let’s begin with the Ford network and apply what we have learned earlier to isolate the cause (s) of a network systems failure, staring with the Standard Corporate Protocol (SCP) which we will quickly review. To diagnose this network, you will need a high-impedance DVOM and a scanner. F72 in the pass fuse box 20amp feeds the audio and diagnostic socket just my .02 (10-13-2016, 04:57 PM) raido321 Wrote: hello, I have ford transit 2007 2,2 81kw, and obd port not work, i … Bus + …circuit # 914….and is found on Pin 2 of the DLC, Bus – …circuit # 915….and is found on Pin 10 of the DLC. It is 99% of models after 2000 and around 92% of models after 1996 (the year when OBD2 became a standart in USA). It is part of the ECU function which is integrated into the main computer ECU in later models. Where will I find them? If I may ask, what is the function of this part (210-545-0132 T/LLR idle control module)? I do not want to continue to buy parts without knowing what the specific issue is. I will have to try reading it. Wheel speed sensor changed also. Since the implementation of the OBD standard, each vehicle has a standard 16-pin connector, as described on our OBD presentation. A new one appeared, intake air temperature, but that was probably a not well connected plug I had just removed and replaced. All control modules will operate in FMEM. Your email address will not be published. I pulled out my multi meter and tested the port and I have 12v at the top second to right pin, but no power to either the cig liter or aux power. Hi, I have a 1999 E320 Mercedes, 210 chassis. Left side of steering column under dash ! OBD-2 universal ISO 15765-4 CAN, SAE J1850 PWM, SAE J1850 VPW, ISO 9141-2, ISO 14230-4 and SAE J1939 diagnostic cable Pinout status: +6 -2 According to 11 reports in our database ( 6 positive and 2 negative) this pinout should be correct. I have a Mini OBD Bluetooth adapter from ebay that says works with all protocols, it works on my Mitsubishi car so i know its not defective, but does not connect to my Expedition. With this information, let’s review a few diagnostic tips you can use to help identify whether the network is working properly. Coils and plugs changed, new alternator, fuel injector cleaner. Turn the key to the run position. Remember that clearing the trouble code will not solve the underlying malfunction by itself. Where The Pliug, Serpentine Belt Replacement Ford F-150 5.4L V, Spark Plug Replacement Ford Explorer 4.6L V8, https://www.2carpros.com/articles/how-to-check-a-car-fuse, https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit. I will appreciate any advice or any help. If one will work then it is a connection either on scanner or aldl. Just select your vehicle below and we’ll show you exactly where to plug in your Hum OBD Reader. It sounds like it could be a computer problem by itself, but more testing is needed. Not having a functioning heater makes driving much less comfortable, and can be … You will need a lab scope to see this. In addition, some vehicles, trims or options you select may not qualify for A/Z Plans. Contact your local dealer to determine their … I also checked the fuses. However, #24 was missing. this fuse is for the OBD connector … Depending on the make and model, it may or may not … 1. So I went to FLAP and they plugged in their scanner, and it says no communication, just like mine. Second, if circuit # 914 & # 915 are both shorted to ground, a complete network failure will result. It has very high miles, 436,000, but a much newer engine, it is due for its yearly safety emissions inspection. Once the scanner is finished, press the button to clear the trouble code. Problem with your 2004 Ford Expedition? Make sure scanner or app is compatible with Euro models. If all checks okay, the only thing left is the engine control unit itself, ECU. This either means you have a wiring problem on the injector circuit or the injector itself has shorted out internally. Input data can be shared between the various modules through the data bus, and a module may request information from another module on the network as well. Have you checked computer fuses and relays? I have checked all the fuses and they are all in good working order. Finally, hook up the scanner to the DLC, and observe the voltage reading on the DVOM. Start-X Remote Start Starter for Ford F-150 2015-2020, Edge 16-19, Expedition 18-19, || Plugs in to OBD2 Port || No Installation Required || Will Not Work with … Remember, if the network is shorted to ground or power, no communication over the network will be possible. You can do a resistance test on #1 injector to see if its about the same as the other injectors if not replace. Any help appreciated. Also, some dealers may choose not to participate in A/Z Plan pricing. Another handy thing to remember is that newer Ford vehicles are often equipped with more than one network, the second being the ISO 9141 protocol. Correction. :-). The ISO 9141 network, is a single-wire, and is often identified as Circuit 70. The diagram, at left, reveals a problem with the network. Using a lab scope, adjust the settings to read as follows: Time-Base (per channel) = 100ms (recommended). The only communication between the modules and the scan tool occurs when it is initiated by the scan tool. Save my name, email, and website in this browser for the next time I comment. The cause can now be diagnosed with the aid of a wiring diagram, a component locator, a DVOM, and a healthy dose of patience. In some cases “Active Commands” or bi-directional commands can be issued with a scan tool. Our list of 7 known complaints reported by owners can help you fix your 2004 Ford Expedition. If all are good it sounds like the computer could be bad. ... On 31 ford coupe. 2005 ford f150 fx4 my (12vdc) auxiliary power does not work - my cigarette lighter and my rear point work Posted by raidersmexon on Nov 26, 2009 Want Answer 0 Run test diagnostic procedures (not supported in FORScan Lite yet) Run service procedures (not supported in FORScan Lite yet) Supported vehicles: All Ford, Mazda, Lincoln, Mercury vehicles that can be addressed by supported adapters. I also removed the EGR Valve and it was minimally blocked with slimy residue, not a problem as it was ten percent blocked. I tried a few other non-low profile sticks with the same results. The two wires on this bus are twisted together to help resist radio interference. Ive read that the 2003-2004 have an exclusive Ford protocol called MS-Can and utilize different pins. Wednesday, September 4th, 2013 AT 7:25 PM, If all electrical sources are good, the only test remaining is a pin to pin check with a wiring schematic while using a volt meter to check each wire. Car Working Before I... How Do You Change The Oil On 2005 Mercedes-benz E320? Check the Fuse. He turned off the lamp, and I have not had a chance to check the intake temperature plug, and it is raining now and I will be putting the car away for the winter in a couple of days. It will be in the number 3 position (see picture below) and is a 20 amp fuse. If you don’t see your vehicle listed, please call (800) 711-5800 for help. The previous info was from a owners manual I found online. Test with the key in the "on" position. 04 Ford Expedition Codes b2900 c1805 and u1262. The first is that if damage occurs to one wire, communication should continue between the modules, but diagnostics will likely be affected. Thanks guys, you are great! Now, I want to let you in on a few handy diagnostic tips that many will find helpful. Note: A/Z Plan pricing information is not available on all Ford websites. At some point the power is not getting from point A to point B. But what could the problem be? I replaced it and another friend with a brand new $9,700.00 Snap On scanner was also able to read my codes. The car occasionally stalls upon cold startup, and sometimes has extended crank time. Does the check engine light work? The car is a two owner before me, and is really original and untouched, nothing has been hacked in any way. Wednesday, September 4th, 2013 AT 9:45 AM. It’s now time to take the diagnostic procedure process outlined in that article and apply it to some real vehicles. Not a fuse problem and both ports work again if you leave the car off long enough for the sync system to reset. Look forward to a donation because I may need you in the future. I have traced most of the wires, and I did not notice any break. 0 Answers 2004 ford expedition fuse box diagram. Replacing Vacuum Pipes As They Are Perishing. the fuse you are looking for is in the fuse box located inside the vehicle. After Replacing The Tire And A Few Miles Most Of The Warning Ligts Lighted Up. Anyway, popped a 15Amp fuse in and the OBDII port is working. Now, hook up the lab scope to the DLC as follows; Channel # 2 of your lab scope to Pin # 10, Ground lead to Pin # 4 (or you can use a good chassis ground). Try dielectric grease see if that works. And finally, if both wires are open in one of the branches of the network, only the modules that are on the open side of the network will be affected. For... What Side Is O2 Sensor On 1st Bank? Plug the diagnostic scanner into the diagnostic port on your Expedition. Also check the ALDL for corrosion and clean up the terminals as needed. DTC B1252:04 (USB Port: System Internal Failure) — sets when the APIM detects an over-temperature condition in the USB circuit.