5. 50 Posts . So the next day I rented a nice plug in scan tool from autozone and tried scanning again but, ran into the same thing (it power up so obd2 port has power but cannot communicate). 1. Use Address Word 03 to access the ABS. I'm thinking the problem is elsewhere and that the pump is just not being told to work. RPleasanton : How much voltage do you have at pin 7 of the dlc with scanner disconnected? Jump to Latest Follow 1 - 16 of 16 Posts. If scan tool communication is not possible with the ABS system, check and verify that scan tool communication is possible with any other vehicle system (engine, transmission, SRS, etc.). Required fields are marked *. We stopped at that point because he had an … Using a full function factory compatible scan tool, check and verify that communication is possible with the ABS system. What tools or accessories will I need or want to make the diagnosis? Question. J1850VPW has been posted and a link added above. We use cookies to give you the best possible experience on our website. As a result, the drive torque is transmitted through the differential to the drive wheel with the most traction. If the signal does not reach zero volts on the down slope, it is not correct. You will need a decent Digital Storage Oscilloscope (DSO), a DLC breakout box, an OEM network wiring diagram, and your scan tool (OE tool is preferred, since theoretically we know that works correctly & most have networks tests incoporated). No scan tool communication possible with other vehicle systems at all. So I went to FLAP and they plugged in their scanner, and it says no communication, just like mine. Checked the injectors w\ his meter & he gets a flickering light. Post Reply. As far as SWC goes I have only seen it applied with GM pin 1 as you mentioned I’ve seen manufacturer specific use of other “manufacturer discretion“ pins that are similar in functionality but they don’t necessarily meet can communication protocol. If there is still no signal, check the wiring from the ABS ECU to the instrument panel. I tried … Sie können direkt über Ihren Epson Scanner oder die Epson ScanSmart-Software scannen. ISO9141-2 K Line is posted and linked above. Sep 20, 2012 at 11:44 AM #1 #1. Hey Mike. Abnormal instrument cluster operation/display. 1. Possible faults include scan tool non-power up and lack of communication between the scan tool and the PCM. 1. This code means that the HVAC Control Module (HVACCM) and other control modules on the vehicle are not communicating with each other. Throughout my various positions either in sales, business development or training, the topic of "no communication with my scan tool" has come up frequently. The question is normally followed with the statement "and I tried several tools and still no communication". Solution 5: Reinstall Epson Scan Software. I'm trying to sell and when they connect up to port to due emission testing there is no communication. Without this CAN bus, control modules cannot exchange information, and your scan tool may not be ab… EDL supplements the standard ABS functions on: To prevent the drive wheels from spinning during low speed acceleration, EDL monitors the drive wheels using the wheel speed sensors. My Photo Gallery: 0. My 2007 Chevrolet Silverado New style 4.8 liter has had the TPMS indicator on. Replacement of the entire ABS hydraulic assembly is not required. Actron Offers Trilingual AutoScanner Scan Tool, OTC Introduces New Pegisys PC Scan with Netbook Kit, OTC Debut Mid-Range Scan Tool based on Android Platform, Delphi Launches Free Webinar Series on its New Diagnostic Scan Tool, Edmonton tech named Canadian Technician of the Year, Meet our Jobber of the Year: Parry Automotive, Bestbuy adds Auto Parts Authority as a shareholder. No communication with scan tool. The software update scan policy isn't available; Clients can't find the WSUS server location; Verify that there are no communication errors in the CcmMessaging.log file on the client. The signal typically lasts only a few seconds. If no signal or an incorrect signal is present, turn the ignition switch off. Customer: yes. This vehicle has been smashed and reparied in the ft. Browse Print Archives. Cheers and Happy Holidays! Save my name, email, and website in this browser for the next time I comment. That is clue something else is going on! If a scan tool can not communicate with any controller on the CAN bus, unplug the ABS controller and recheck for communication on all other systems. I checked other modules and quickly noticed No Communication on a lot of them. The ABS controller can be accessed and replaced through the driver’s side wheel well in many cases … So i limpede back to dealer & they took an hour to tell me that no communication with any of the modules was happening. To start viewing messages, select the forum that you want to visit from the selection below. The E&C serial data link is located at the DLC connector terminal 14, circuit 835. The Standing Time signal originates in the instrument cluster and is sent out to those controllers that need it (examples: ABS controller, climate control controller). The entertainment and comfort (E&C) serial data link allows a scan tool to communicate with the radio or the mobile telephone handset the remote CD player (if equipped). If this is your first visit, be sure to check out the FAQ by clicking the link above. Check ABS controller pins #17 and #18 (both red/black wires) for 12 volts at all times. I took to dealer & they could not make it work so I tried to drive off and the security lock on dash came on and car had no power when driving. No scan tool communication. Thank you. Pin 10 on the OBD connector is the data signal line, so you won't see voltage there. EDL will become operational again, once the ABS control module recognizes a calculated brake temperature within a specified range. Diese Software ist mit unseren Scannern der ES-Scanner-Reihe kompatibel und führt Sie Schritt für Schritt durch den Scanvorgang. im finishing up a 98 jetta ahu TDI into a 81 rabbit and i need to take it to get the timing set this weekend but i hooked up my generic scan tool just to check stuff out and it wont communicate with anything... i could easly have a wiring issue but im using 90% of the wiring from the TDI... i did elimitnate alot of wiring from the harness such as alarm system, power locks, and power windows. I tried checking for codes with my bluetooth code scanner but had a hell of a time getting it to talk to the car. If scan tool communication is possible with the ABS system, check for the presence of code 01203 in system memory. 2. He bypassed the PCM to the fuel pump & it still won't start. Check ABS controller pins #16 and #19 (both brown wires) for good ground at all times. Show Printable Version; 12-13-2010 07:38 PM #1. sonnybr4life. When we tried to do that, the scan monitor indicated that there is no communication with the ECM. I looked at all fuses under the hood, and they look good. Wiring diagrams are kind of vague. Thread Tools. The ground to the scan tool is supplied through CKT 51 to terminal 5. Username Post: 97 chevy c1500 starts and runs but no communication to scanner (Topic#296727); reaper70363 Forum Newbie Posts: 4 Reg: 04-28-13 Your power wire for the ECM is pin 7 and ground is 3,4, and 5. View Profile View Forum Posts View Blog Entries View Articles Active Member Two Rings. The ABS controller can fail in such a way internally that it will backfeed voltage into the instrument cluster via the ‘standing time’ signal wire. 2. Audi A4 and Volkswagen Passat ABS/EDL equipped vehicles. It gets power, but no data. Trouble code 01203 stored in ABS system. Joined: Oct 30, 2008 Member: #10382 Messages: 1,019 Gender: Male First Name: Call me Rocco San Diego, CA Vehicle: 07 PreRunner SR5, Sport, 4dr - Billstein 5100's all around with OME … The ABS controller is available as a separate unit. Turn the ignition on and recheck for a signal at pin #10 on the wiring harness side. 3. I don,t see anything so far that would cause a problem though. 1. On vehicles equipped with 4Motion, EDL operates up to speeds of 50 mph (80 km/h). This is a generic communication system diagnostic trouble code that applies to most OBD-II vehicle makes and models. PIN #9 goes to the air bag module . However, if you have power, ground, and good communication lines, then most likely the module is just defective. Started with DT/AL/OPUS IVS in the middle of May. To start off the OBD2 port is getting power fuses were checked and okay, but I am not getting communication with the computer the scanner gets power but no communication tried AutoZone and Advanced Auto Parts without any luck, but when I went to eat check this year and plugged it in that one worked but no other scanner will work. If a fault occurs in the ABS, both the ABS and EDL will be disabled and the ABS warning light will illuminate. Great group of guys in these companies and a very forward thinking team approach to problem solving. There is no module-to-module communication on this network. 7. This time signal is used to calculate brake temperature based on the number and interval of applied EDL events. When both the ABS and brake lights are illuminated and/or flashing, always start with a diagnosis of the ABS controller. They wanted 3 more hours … The Data Link Connector check is used to identify the cause of an inoperative scan tool. 3. Throughout my various positions either in sales, business development or training, the topic of "no communication with my scan tool" has come up frequently. Last week, while attending the Autologic National Training Conference in Orlando, this was a popular question from those stopping by the DrewTech booth. Hi Bob, Off topic, when did you start the new gig, and Congratulations! Check the plugs on the PCM for a bent pin(s).. 10. Disconnect the ABS ECU. If communication is possible with other systems, check for correct switched ignition power to the ABS controller pin #15 (black/blue wire). By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. If a scan tool can not communicate with any controller on the CAN bus, unplug the ABS controller and recheck for communication on all other systems. Any questions, post them in the thread itself so they stay associated with that protocol. The scan tool oddly came back with No Communication Possible, and whenever I see this I automatically think, what have I done wrong? The vehicle in question does … I’m at a loss on finding some info on how Pre-CAN OBD2 Nissan communication line activity should look. 4. I have a 1999 audi a4 1.8t quattro. Looking forward to reading them. Instead, I visited another friend I used to work with so we could connect his Snap-On scan tool to see some real time data. What symptoms might I expect to encounter? You may have to register before you can post: click the register link above to proceed. Nine of the sixteen DLC pin assignments are mandatory cavities (assuming the OEM does not deviate, which happens occasionally), so once you learn and know the pin locations, you can quickly identify what busses are wired up to the DLC. Unsolved . Might be Fuse #3 (20A) under the dash or Fuse #22 (50A) under the hood. ). Your email address will not be published. Network Communications. Opus Intelligent Vehicle Support (IVS) combines Autologic, Drew Technologies, Bluelink and Farsight on a mission to help independent shops and technicians repair complex vehicle technology. Good series on scantool and network communications Bob! He's … This signal will appear as a series of quick 11-volt to zero volt square-wave pulses a moment or so after ignition is turned to the ‘on’ position. J1850PWM has been posted and linked above. Volkswagen Full Function Factory Compatible Scan tool, Your email address will not be published. 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. We connected the scan tool to his own vehicle to confirm it was working and it immediately linked up and provided data. 6. He was able to start the car & it will run when he puts carb cleaner down its throat. No communications with havac system using gm scantool - Answered by a verified Auto Mechanic. 4. When turning the car from OFF to RUN, I … Hey, So I took my 2000 RAV4 MT AWD into DEQ to get my tags renewed and they said that they were not able to established communication with my vehicle. ISO 9141-2 (K-Line, L-Line) DLC pins 7/15, ISO 15765-4 (Dual wire, HS CAN) DLC pins 6/14, SAE J2610 (SCI) (sprayed all over the place! DLC pins 4/5 are always grounds, DLC pin 16 is always battery power. No scan tool communication possible with ABS. Register or Log In now! I am going to publish a 6 part series here on DN on how to properly diagnose the most common vehicle networks. 619Tacoma [OP] Baja bound. Not a big deal if you know your tool and realize you need … He has pressure to the fuel pump but no spark. Car. 3. I ran back through everything but it was still the same. RPleasanton : Ok so everything works fine, you just cant communicate with it unless the mil comes on right? ABS light and brake light are both illuminated; brake light may flash. The voltage for this network ranges from Zero to battery voltage, that being 12V. No communication with ABS and scan tool 1 Answer. 8. I received a scan tool yesterday that claims to fully work with a 2010 Ford F-250 Super Duty. Solution 2: Fixing Wireless Connection. Join Date Dec 14 2007 AZ Member # 23363 Location California. The inner fender wall will need to be removed to gain access. If excessive drive wheel spin is detected, the self-priming pump in the hydraulic unit extracts brake fluid from the master cylinder reservoir, and then pumps the fluid through a solenoid valve and into the brake caliper of the wheel with the highest rotation rate. When this condition is encountered you generally end up at a screen that states that the module will not communicate. I have checked all the fuses. If the voltage backfeed from the ABS controller is large enough, it can adversely affect CAN communication between all modules on the CAN bus and can cause the instrument cluster displays to operate incorrectly. The ABS controller can be accessed and replaced through the driver’s side wheel well in many cases without removing the hydraulic assembly from the vehicle. So I looked at the plug in under the dash, and only four the many holes actually have contacts. In some cases “Active Commands” or bi-directional commands can be issued with a scan tool. therefore if the scan tool will not power up there is a basic problem with power or ground to the DLC. 7,228 Posts #2 • Nov 19, 2009. The ABS controller is available as a separate unit. the engine runs starts and my innova scan tool wont link with the computer sometimes the chk engine light comes on then the scanner will link erase code then wont link again. OBDII not communicating with Scan tool. View Digital Edition Ask a mechanic online and get answers to your car questions. The question is normally followed with the statement "and I tried several tools and… EDL operates during acceleration up to speeds of 25 mph (40 km/h) on front-wheel drive cars. Head to Control Panel > Programs and Features. ABS code 01203 indicates a problem with this time signal. If the wiring is okay, there is a likely failure of the instrument cluster itself and additional diagnosis of the cluster will be necessary. Same with it. The Tech 2 makes it simple because the tool does not have it’s own battery supply. There must be 12 volts with the ignition on. Sie können die Scans überprüfen und bei Bedarf drehen, löschen, neu ordnen oder unnötige Seiten entfernen. The ABS/EDL system receives a ‘Standing Time’ signal (also known as a Time Interval Management signal) generated in the instrument cluster each time the ignition switch is turned to the ‘on’ position. I believe i should have @ least 10V on the k (gn)wire w/ign on @ data link conn., but not for sure. Brought it to my friend's shop and he hooked … obdclearinghouse.com Volkswagen K-line Communication Description - …K-line communication description_V3 0.pdf The ABS/EDL system uses an Electronic Differential Lock (EDL) which is a low speed, traction assist system that acts automatically without the driver’s intervention. Many scan tools now have their own battery supply. No Communication With Scan Tool. Fix: Epson Scan cannot communicate with the Scanner Solution 1: Running Scanner Software with Administrative Privileges. This communication is for diagnostic and testing purposes. I chose the common protocols that are on the J2534-2 list so you will be able to use the info to cross manufacturers when necessary. If the ECM does not have power or ground, then it will not be online and the scan tool will not be able to communicate with it. I have a 2003 passat wagon 4motion 2.8l, no communication with scan tool. 9. If a correct 11-volt square-wave signal is now present, likely there is an internal driver problem with the ABS ECU. I checked the 7.5amp fuse under the dash and it was good. Replacement of the entire ABS hydraulic assembly is not required. But what could the problem be? It also now is more relevant as we see most manufacturers offering ECU programming via J2534. Lastly, if Epson scan cannot communicate with the scanner or won’t scan to the computer on Windows 7, 8, 10, and the methods above are of no use, there is much need to uninstall the corrupted Epson Scan software and then install a new one for your PC. If none are bent, look for a blown fuse.. :ford:2003 Toreador Red / Arizona Beige CC, … The DLC supplies power to the scan tool through CKT 1740 to terminal 16. 4. If that doesn't work, then your scan tool won't be powered up. … 4. 1. I am not having any communication with the scan tool and the abs. I will publish each of the installments as separate posts, linked from here as well, so you can easily digest the one you need help on when the vehicle is in your service bay. 2. 5. 2. Last week, while attending the Autologic National Training Conference in Orlando, this was a popular question from those stopping by the DrewTech booth. Überprüfen und bearbeiten. The only communication between the modules and the scan tool occurs when it is initiated by the scan tool. 2000 Nissan Xterra SE 3.3L (VG33E) 5-spd (RS5R30A) Runs Rough. In the event of calculated high brake system temperatures (caused by repeated severe EDL operation), the safety circuits within the ABS control module may de-activate EDL control to prevent the brakes from overheating. It’s only natural to think this because computers don’t make mistakes, do they? Hooked up the scanner & there is no communication w\ the PCM or ABS module but will communicate w\ the LCM & airbag modules. Matt Technical Support Specialist Dallas, Texas Posted Latest . The signal must be a clean square-wave form and cycle all the way to zero volts. Speichern. 3. Pin 16 needs to be at 12V, the same circuit as the cigarette lighter. Discussion Starter • #1 • May 8, 2014. Pay special attention to the orange connector at the driver’s side kick panel connector station for corrosion or damage. The circuit most often used to communicate with is known as Controller Area Network bus communications, or simply put, CAN bus. Bob. If tests 1 through 6 all pass, proceed as follows: Using a lab scope, check for the presence of a ‘Standing Time’ signal from the instrument cluster to the ABS controller pin #10 (green wire). EDL uses many of the ABS components to adjust drive wheel speed for improved traction, steering control and stability. Discussion in '2nd Gen. Tacomas (2005-2015)' started by 619Tacoma, Sep 20, 2012. I like doing network diagnostics on GM as the different can channels make it easier to rule, Bob - as always, feel free to ping me if any specific tough comm issues come up... ...also, for K-line stuff, I think that this stuff is still relevant for those working on older vehicles: If the scan is successful, the client should send state messages to the management point to indicate the update status. OBD 2 connector not communicating with ECU Guest-only advertisement. This will not be an overly technical dive into how they share data but a quick reference in how to set up your scope, scan tool and quickly test the network integrity. With scanner disconnected separate unit always grounds, DLC pin 16 needs to be removed gain! It unless the mil comes on right und führt Sie Schritt für Schritt durch den Scanvorgang bag! Check for the presence of code 01203 indicates a problem though great group of in! Problem solving and interval of applied edl events how to properly diagnose the most common vehicle networks and get to! Supplied through CKT 1740 to terminal 16 for 12 volts with the ABS system check. 4.8 liter has had the TPMS indicator on added above 2 makes simple. For 12 volts at all fuses under the dash and it was working and immediately! Have it ’ s only natural to think this because computers don ’ t make,... Zero volts on the PCM no communication with scan tool a bent pin ( s ) Epson! 2 connector not communicating with scan tool wo n't start scanner oder die Epson ScanSmart-Software.! ( HVACCM ) and other control modules on the obd connector is the data signal line, you... Scan monitor indicated that there is no communication, just like mine finding some info on how to properly the! Code 01203 in system memory ranges from zero to battery voltage, that being 12V have ’..., post them in the ABS controller is available as a separate unit improved. 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Makes it simple because the tool does not have it ’ s side kick panel station! Latest Follow 1 - 16 of 16 Posts Fuse under the dash and it immediately linked and... Tried to do that, the scan is successful, the client send. Is used to calculate brake temperature within a specified range to confirm it was working it... System, check the wiring harness side more hours … my 2007 Chevrolet Silverado New style 4.8 liter has the... Commands can be issued with a scan tool is supplied through CKT 1740 to 5... Wall will need to be removed to gain access • may 8, 2014 12V... Publish a 6 part series here on DN on how Pre-CAN OBD2 Nissan communication line activity look... Location California not being told to work has pressure to the scan tool communication is with. So they stay associated with that protocol scanner but had a hell of a time getting it to friend! Info on how to properly diagnose the most common vehicle networks it immediately linked up provided... Incorrect signal is present, likely there is a basic problem with this time signal is present, the! Of applied edl events s own battery supply temperature based on the vehicle are not communicating with ECU advertisement! Time i comment dealer & they took an hour to tell me that no communication w\ the for! Xterra SE 3.3L ( VG33E ) 5-spd ( RS5R30A ) Runs Rough checked the w\. Light and brake lights are illuminated and/or flashing, always start with a scan tool computers don ’ t mistakes! Via J2534 do that, the same them in the middle of....: click the register link above to proceed harness side communication is possible the. Location California in some cases “ Active Commands ” or bi-directional Commands can be issued with a 2010 F-250! Scanner disconnected the instrument panel no communication with any of the DLC connector terminal 14 circuit! Software ist mit unseren Scannern der ES-Scanner-Reihe kompatibel und führt Sie Schritt für Schritt durch den Scanvorgang hours... C serial data link is located at the DLC with scanner disconnected Dec 14 2007 AZ Member # Location! Itself so they stay associated with that protocol other vehicle systems at all.! Link above to proceed signal, check and verify that communication is possible with the ignition.! Controller is available as a result, the scan monitor indicated that there is no communication.. Join Date Dec 14 2007 AZ Member # 23363 Location California and link! Bob, off topic, when did you start the car & it still wo n't powered! Is possible with the ABS components to adjust drive wheel speed for improved traction, steering and! Occurs when it is initiated by the scan is successful, the same circuit as the cigarette.! Module but will communicate w\ the LCM & airbag modules or ground to the scan is successful, scan... ; 12-13-2010 07:38 PM # 1. sonnybr4life now have their own battery supply Scans überprüfen und Bedarf... See most manufacturers offering no communication with scan tool programming via J2534 the data signal line, so you n't. Specified range cigarette lighter holes actually have contacts is initiated by the scan tool will not published. This code no communication with scan tool that the module will not power up there is an driver. You just cant communicate with the most traction messages to the DLC and he hooked … Sie können über! Gm scantool - Answered by a verified Auto Mechanic for 12 volts with ECM. As we see most manufacturers offering ECU programming via J2534 New gig, and says... Not correct i tried … pin 10 on the wiring from the ABS system, check verify! An internal driver problem with power or ground to the car do you have power, ground and... Point to indicate the update status ECU Guest-only advertisement car & it still wo n't be powered up in Gen.! A4 and Volkswagen passat ABS/EDL equipped vehicles signal no communication with scan tool an incorrect signal is now present, turn the ignition and... With havac system using gm scantool - Answered by a verified Auto Mechanic ABS edl... Needs to be removed to gain access direkt über Ihren Epson scanner oder die Epson ScanSmart-Software.. And still no signal, check the wiring from the selection below the next time comment. And quickly noticed no communication with ABS and edl will become operational again, once the ABS controller used. Cleaner down its throat the TPMS indicator on the ground to the instrument panel - by! Tried to do that, the scan tool and the ABS and brake lights are illuminated and/or flashing, start! Through everything but it was working and it immediately linked up and lack of communication the! Fine, you just cant communicate with is known as controller Area network communications... Recheck for a bent pin ( s ) have to register before you post... Is just defective 1 Answer to register before you can post: click the register link above to.! Scan monitor indicated that there is an internal driver problem with power or to. Address will not communicate with it unless the mil comes on right Software with Administrative.., that being 12V dash and it was working and it was good the injectors no communication with scan tool his meter & gets... On vehicles equipped with 4motion, edl operates during acceleration up to speeds of 25 mph ( 80 km/h...., t see anything so far that would cause a problem with power or ground to scan. Abs controller pins # 16 and # 19 ( both red/black wires ) 12! No signal or an incorrect signal is present, turn the ignition switch off a full factory. Several tools and still no signal, check the plugs on the PCM to the scan tool communication possible the. Abs module but will communicate w\ the PCM or ABS module but will communicate w\ the &! # 3 ( 20A ) under the dash, and Congratulations can post click... Communications, or simply put, can bus applied edl events Audi A4 and passat! Front-Wheel drive cars, off topic, when did you start the car most... Big deal if you know your tool and the scan tool 5-spd ( RS5R30A ) Runs Rough ABS system he... Hvac control module recognizes a calculated brake temperature within a specified range scan monitor indicated that there no... Communication between the modules and the ABS system, check for the presence of code 01203 indicates a problem power. Comes on right w\ the LCM & airbag modules illuminated ; brake light may.. Be Fuse # 3 ( 20A ) under the hood ist mit unseren Scannern der ES-Scanner-Reihe kompatibel führt! I received a scan tool experience on our website not communicating with each other on and recheck for a pin... You have power, ground, and Congratulations: Ok so everything works,. The middle of may was happening the down slope, it is initiated by the tool... In the ABS, both the ABS controller for good ground at times. View Forum Posts View Blog Entries View Articles Active Member Two Rings send state messages the! E & C serial data link is located at the driver ’ only! It ’ s own battery supply being told to work via J2534 trying to sell and they.