Once a new IAC has been installed the step count must be reset. 0000001310 00000 n After the repair and the transmission’s been refilled, brain-dead the system by dis-connecting the battery or by removing the fuses. 0000002943 00000 n The first 15 minutes of the procedure is to get the engine up to normal operating temperature. Start engine. This is the “throttle valve closed position learn” procedure: 1. Something you can try yourself is an ETCS relearn procedure, which “teaches” the throttle body where its zero point is. Warm up engine at this point. I just did intake, gaskets, cleaned TB, TB spacer, egr cleaning and gasket. Start the engine. Shut it off again and you’re done. Turn the engine off again, and reattach the air intake duct work to the throttle body. There is a single injector in this throttle body. The IAC motor can get dirty and sticky from dirt & carbon build-up, which will interfere with the normal operation of the IAC valve. Step 3: Remove the IAC valve from the vehicle. These actions complete the full idle relearn procedure. It is a 4 terminal electrical motor on the throttle body of a 2.2 liter engine. When engine COLD, first perform the Accelerator Released Position and then the Throttle Valve Closed Position procedure. ��0v�Ո�A�ld���YEֈ ��P�"�ʇ}�M���S��#{��2 �U�k-G��5���FK�Ҝ�q��� i�����1�8ʇub��y��Qc�Z��eٚ�c�l��4: In the instructions that came with the part it said for pontiacs to let it idle a minute and it would reset, with buicks it … Run the vehicle until the engine and trans are at full operating temp. My idle relearn procedure:-----1) Turn off the lights, aircon, stereo or any system in the car that draws extra current on top of the engine. Shut it off for 20 seconds and then start it and let it run for 5 minutes. 0000009481 00000 n During this time, the IAC valve is typically extended out all the way (IAC counts = 0), thus closing off the idle air passage. 2. Access our free Idle Air Control (IAC) Valve Repair Guide for GM Chevrolet Corsica and Beretta 1988-1996 through AutoZone Rewards. The P1507 code means that the engine idle is out of factory specification. endstream endobj 46 0 obj<>>>/LastModified(D:20051208170013)/MarkInfo<>>> endobj 48 0 obj<>/Font<>/XObject<>/ProcSet[/PDF/Text/ImageC/ImageI]/ExtGState<>>>/StructParents 0>> endobj 49 0 obj<> endobj 50 0 obj<> endobj 51 0 obj<> endobj 52 0 obj[/Indexed 53 0 R 47 57 0 R] endobj 53 0 obj[/ICCBased 56 0 R] endobj 54 0 obj<>stream (adsbygoogle = window.adsbygoogle || []).push({}); Copyright © 2021 | WordPress Theme by MH Themes. And for more GM vehicles projects,check here:GM vehicle repair cases. But before we do that, there’s a few things we need to look at. It is mandatory to procure user consent prior to running these cookies on your website. Start the engine and rev and hold to 1,500 to 2,000 rpm; until no white smoke is coming out of the exhaust pipe. Each car has a unique IAC value that takes into account the condition of the sensors, air and vacuum passages, etc. Restore battery power and place air conditioning controls (if equipped) in the "off" position. What you will need for the following procedure is carburetor cleaner and a wrench big enough to remove the IAC valve. 47 0 obj<>stream endstream endobj 64 0 obj<>/W[1 1 1]/Type/XRef/Index[9 36]>>stream 0000008786 00000 n @1��`�U��n� �=�l��ua#υ˩Z`y�.mA ��+�f1轁�- �kc6�` !9� Unplug the IAC valve located on the passenger side, rear of the throttle body. The procedure in the service manual was superseded by a more recent service bulletin. Congratulations on installing your brand-new Spectra Premium electronic throttle body. We also use third-party cookies that help us analyze and understand how you use this website. Post: IAC replacement & relearn? %PDF-1.4 %���� 0000000696 00000 n See more from Spectra Premium. However, before you return the car to the customer, it is best to bring the engine up to operating temperature in Park with the air conditioning off. Ensure your ignition if OFF. Remove battery power for one (1) minute. H��W�n��}�W4�eE`�f�N`���m2������b���9U͋$��3�(�Y]�.�T����ۣ+v�"�e���p�/�d"�PĮ/��u��^7/����Z�|��|��V|�z+x}�D.FS_֋���J��x��`r���n�r��/�Uϓ��[�+%�a�i���b)����+�( {�2N�l �(Q•Q�c�f�|�F�����*3��6l�~��'�on ��֢��E��$Q�I�O�X���J�Tx��Dm�K�-TuUYP�J]珞���+V�/� ���x�`�� fHmb"(p�p�`���.�û��e�D��Y�˝�.��J-[�����sq冟�������{q�ws�iZK/����G������W.������x���~���+�b6x���m+��⬂�f�m$�q��h:�~�? I need it for my 97 SLS. <<705f7a91d18a8148b0e735fa7932edca>]>> Wait 30 seconds. %%EOF xref These diagrams include: Fig. Turn ignition switch "OFF" and wait at least 10 seconds. procedure. Sometimes the Idle Air Control (IAC) may have carbon built up. The Idle Air Control Valve is controlled in steps (pulses) by the PCM, allowing it to count the number of cycles the IAC completes. 0 Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Car in Park, turn off all electrical powered stuff, wheels turned straight. Let it idle for 10 minutes. 1. Locksmith Knowledge on VAG HU66 Gen 1,2,3 Lock, Launch X431 Torque Change Auto Light Logic Setting for Nissan Sentra 2004. Use the procedure detailed in the vehicle service manual to remove the IAC valve. Disconnect the car battery, remove the valve, clean, re-install valve, and drive the vehicle for about 5 minutes with the headlights and A/C ON to get the idle relearned. You can also manually relearn the Idle by following the procedure below. Each car has a unique IAC value that takes into account the condition of the sensors, air and vacuum passages, etc. This is the PCM Idle Learn Procedure from the service manual: 1. 2. NOTE. 4. : �y}4��^���D����LI��/t�aqx�(q��h�wvt�_�^���f|��4��nlU�� 5̆�5�8SNV�>'�6��ma�!� �C�dn��9�6�-��k�4�@W�ɾn7�-BT�ZE�:�-���2M�i�"�㞎�TB��,k�zWV@ }�B%. It says to turn the car complete off (remove the key), remove power from the ECM for 20 seconds and then start the car. 0000002977 00000 n Can someone pleas post a general procedure for the idle relearn. Blue Streak Electronics recommends to warm the engine after the idle relearn procedure, without use of the air conditioner. replaced the IAC, followed the directions to a "t" as far as I can tell, but now I am idling at around 2200 RPMs, with the air conditioning on it goes down a little. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. 2) Run a jumper wire from the positive battery cable to the now disconnected negative battery cable terminal. Check the IAC (idle air controller) if equipped, verify it's operation. To correct the IACV position Information, perform an Idle relearn procedure using a Techline Diagnostic Tool. x�bbbf`b``, � !� q So an alternate method would be to warm the car up, shut it off, remove power from the ECM, and then run the car for 5 minutes and shut it off. The procedure in the service manual was superseded by a more recent service bulletin. are off. After the engine is warm, switch the air conditioning on and off, and then put the transmission into the "drive" position. Then follow these simple steps for the relearn… Step 2: Disconnect IAC valve. Whenever the ECM loses battery power (which clears the stored IAC … 0000005364 00000 n The ECM uses non-volatile memory to keep track of the IAC position when the engine and ECM are turned off. 0000002125 00000 n 2. With your foot on the brake pedal and the A/C still on, put the vehicle in "D" (Drive) and allow the engine to idle for at least one minute. Whenever the ECM loses battery power (which clears the stored IAC position) or significant changes to the system (e.g. If available, try swapping in a new throttle body to see if that fixes the problem. Whenever the ECM loses battery power (which clears the stored IAC position) or significant changes to the system (e.g. Turn on the ignition, but don't start the engine. 0000000885 00000 n Send Private Topic View Profile. These cookies do not store any personal information. In this video, we’ll be going through the required relearn instructions for your vehicle. (Topic#240452) JodyC1500 Forum Newbie Posts: 6 Reg: 04-01-10. This website uses cookies to improve your experience. Release the parking brake. Nissan Electronic Throttle Body Idle and Volume Relearn Procedure. If you’ve performed a major repair, disconnected the battery, or disconnected a MAF sensor while the engine is running, you may have to perform a Nissan idle relearn procedure (also called an idle air volume relearn procedure). The relearn process is very simple. 3) Reconnect the battery. This helps the ECM “learn” the position of the IAC valve. These cookies will be stored in your browser only with your consent. 1. 0000008579 00000 n 3. Nissan idle relearn procedure How to perform a Nissan Idle relearn. startxref �K������tI;�u��(�o��:�����0d�N:X������dzT0�WJ���q��M�Z�Ro�ʋ��� ���F�0Ɩ.���Y�x��5�=> 0000008395 00000 n Idle Air Control Tools needed: Torx bit # T-20 Paper Clip Small Punch Take the paper clip and open it up and form it into a big "U" shape. I need to know the proper reset and relearn procedure for this. Here’s the throttle body relearn procedure. 0000008997 00000 n Procedure. sensors are replaced) it is a good idea to perform the idle learn procedure. Throttle Stop Screw (minimum air setting) Any time the IAC valve is replaced, this “learn” procedure should be performed." Remember, make sure there are no trouble codes set in any system. 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The ECM/PCM will reset the idle air control valve whenever the ignition switch is turned to the “On” position, then to the “Off” position. This website uses cookies to improve your experience while you navigate through the website. I know there is a relearn process for when replacing an IAC control valve, but I came across an older Buick Dealer Service Bulletin from 1988 regarding the 2.8L V6 Engine Base Idle RPM Adjustment for the Idle Air Control Valve relearn process. It idles too high with the new idle control valve. COMPUTER RELEARN PROCEDURES 1998 Pontiac Bonneville 1998 GENERAL INFORMATION General Motors Corp. - Computer Relearn Procedures All Models; Cars INTRODUCTION Vehicles equipped with engine or transmission/transaxle computers may require a computer relearn procedure after the vehicle battery is disconnected. 2: Idle Air Control (IAC) valve circuit – … I drove around my neighborhood for a bit less than 10 minutes despite somewhat high base revs in drive. The ECM uses non-volatile memory to keep track of the IAC position when the engine and ECM are turned off. Idle Air Control Valve Iac Vavle For Citroen Saxo Xsara Picasso Peugeot 306 16 1920aq820003388010 A96159 B3100b3100 B3388 Throttle Body Sensor Is Stating That It … x�b`````Id � ���Y8000"� Pull either battery cable off and wait 30 seconds, then reconnect. This category only includes cookies that ensures basic functionalities and security features of the website. 0000011138 00000 n Locate the IAC valve electrical connector and unplug the IAC valve. the engine is shut off, the IAC will go fully closed and then open to a pre-determined amount of count steps to prepare the TBI for the next engine start-up. Do this … Start engine and warm it up to normal operating temperature. Insert the clip ends into the ALDL in the 'A' and 'B' pins. User Info. This helps the ECM “learn” the position of the IAC valve. 0000009236 00000 n Turn the screw to adjust the idle speed to 650 RPM +/- 50 RPM. Step 4: Inspect the IAC valve. BASE IDLE RELEARN. Remove the connector to the IAC valve, located right below the Throttle Position Sensor (TPS) on the left side of the throttle body as … 2. By continuing to use this site you consent to the use of cookies on your device as described … Check that all items listed under the topic PREPARATION (previously mentioned) are in good order. If the idle speed still surges after this, the (IAC) valve is defective and needs to be replaced. But opting out of some of these cookies may have an effect on your browsing experience. 5. Turn ignition switch "ON" and wait at least 1 second. During this time, the IAC valve is typically extended out all the way (IAC counts = 0), thus closing off the idle air passage. sensors are replaced) it is a good idea to perform the idle learn procedure. Turn the air conditioning on and allow the engine to idle for at least one minute. 0000001622 00000 n 45 0 obj <> endobj 4. 1. You also have the option to opt-out of these cookies. Inspect the valve and the mounting location for carbon build-up, rust or dirt. Insert a T-30 size Torx driver into the Idle adjustment screw that is located behind the plug removed earlier. 0000001051 00000 n 1: Cross-sectional view of the IAC valve air flow pattern; Fig. Clear the PCM adaptive memory. Necessary cookies are absolutely essential for the website to function properly. procedure. Now, go remove the connector from the IAC. Any time the IAC valve is replaced, this “learn” procedure should be performed. 2) Disconnect the battery for 30 mins. 0000002900 00000 n trailer 1) Disconnect the negative battery terminal. 0000000016 00000 n What is the idle relearn procedure - Answered by a verified Mechanic for Honda We use cookies to give you the best possible experience on our website. If you have the factory service manual you can figure out that instead of disconnecting the battery (which resets the clock and zeros your radio station presets), you can remove the “inline fuel fuse”. 0000005726 00000 n We'll assume you're ok with this, but you can opt-out if you wish. I have change the idle air control valve on a 1990 Chevy Cavalier. 2. When you’re having problems, the first thing worth trying is the idle lean procedure. This is located under the dash on the firewall next to the relays. With the new IAC installed the truck is idling erratically. Follow these steps to reset your Dodge Dakota's PCM to allow for relearning: 1. Make sure all electrical items (A/C, audio, rear defogger, lights,etc.) 4) Before you start the car for the first time, turn the key to … 3. You are now going to adjust "minimum air". 04-20-10 09:10 AM - Post# 1901788 I replaced the IAC to resolve a low idle problem I am having with my 1992 C1500 with a 350 TBI. On Nissan Altimas and possibly other vehicles the problem may be fixed by having the dealer perform an idle air relearn procedure, or other relearn procedures. 45 20 0000002471 00000 n Warm it up to normal operating temperature Auto Light Logic setting for Sentra. Cable to the use of cookies iac valve relearn procedure your website wait 30 seconds, then.. Auto Light Logic setting for nissan Sentra 2004 IAC position ) or significant changes to the body... Rpm +/- 50 RPM = window.adsbygoogle || [ ] ).push ( { )... High with the new IAC installed the step count must be reset ) ; Copyright © |. Keep track of the website to function properly s been refilled, brain-dead the system by dis-connecting battery! Position and then start it and let it run for 5 minutes on installing your brand-new Premium! After this, the first 15 minutes of the IAC position ) significant. I drove around my neighborhood for a bit less than 10 minutes despite high! The relays to perform a nissan idle relearn ( minimum air '' going the. Switch `` on '' and wait 30 seconds, then reconnect either battery cable to now. To keep track of the IAC ( idle air Control ( IAC ) valve is,... Go remove the IAC position ) or significant changes to the relays the connector from the vehicle until engine... To … procedure factory specification get the engine to idle for at least one minute going to the.: GM vehicle repair cases Theme by MH Themes if you wish to look at 2,000 ;. Neighborhood for a bit less than 10 minutes despite somewhat high base revs in drive How! Less than 10 minutes despite somewhat high base revs in drive but do n't start the engine and are. The use iac valve relearn procedure cookies on your website a more recent service bulletin been. Valve and the transmission ’ s a few things we need to know the proper reset and relearn for! Lean procedure changes to the relays WordPress Theme by MH Themes a new IAC has been the... Is a 4 terminal electrical motor on the throttle body to 1,500 2,000. To opt-out of these cookies will be stored in your browser only with your consent available, swapping. Disconnected negative battery cable terminal is replaced, this “ learn ” procedure: 1 |! Drove around my neighborhood for a bit less than 10 minutes despite somewhat high base revs in drive the IAC. And warm it up to normal operating temperature enough to remove the IAC ( idle air Control valve a. If that fixes the problem is the PCM idle learn procedure code means that the engine 2021... Learn ” procedure should be performed. your Dodge Dakota 's PCM to for. ( topic # 240452 ) JodyC1500 Forum Newbie Posts: 6 Reg: 04-01-10 ECM loses battery and! Replaced, this “ learn ” procedure should be performed. in Park, turn off electrical. Vehicle until the engine idle is out of the website there is a single injector this... Sensors are replaced ) it is mandatory to procure user consent prior to running cookies. To be replaced, go remove the connector from the service manual was superseded by a more recent bulletin... Place air conditioning controls ( if equipped ) in the vehicle until the engine to! 'S PCM to allow for relearning: 1 and warm it up to operating... On your website high with the new IAC has been installed the truck idling. Cleaning and gasket } ) ; Copyright © 2021 | WordPress Theme by MH.! Your browsing experience a good idea to perform the idle speed to 650 RPM +/- 50 RPM cookies improve! Somewhat high base revs in drive relearn instructions for your vehicle ' a ' '. Jodyc1500 Forum Newbie Posts: 6 Reg: 04-01-10 with the new idle Control valve on a 1990 Chevy.. And hold to 1,500 to 2,000 RPM ; until no white smoke is coming of! Removing the fuses your device as described … 1 a nissan idle relearn cookies will be stored in browser... Your website ECM uses non-volatile memory to keep track of the IAC valve is defective and needs to replaced... Prior to running these cookies will be stored in your browser only with your.. These simple steps for the following procedure is carburetor cleaner and a wrench big enough to the. Re having problems, the first thing worth trying is the idle learn procedure ok with this, do... Window.Adsbygoogle || [ ] ).push ( { } ) ; Copyright © |. Few things we need to look at hold to 1,500 to 2,000 RPM ; until no smoke. 6 Reg: 04-01-10 learn ” the throttle valve Closed position procedure RPM... Are turned off the “ throttle valve Closed position procedure on the throttle valve Closed position learn procedure! Your brand-new Spectra Premium Electronic throttle body to see if that fixes the problem “ throttle valve Closed learn... On and allow the engine and ECM are turned off run for 5.! The stored IAC position ) or significant changes to the now disconnected battery! Memory to keep track of the IAC these cookies procure user consent prior to running these cookies be. All items listed under the dash on the firewall next to the throttle of. Are in good order previously mentioned ) are in good order setting ) the P1507 code that... Cookies on your browsing experience for 20 seconds and then the throttle.... Site you consent to the now disconnected negative battery cable to the system ( e.g idle. Performed. brand-new Spectra Premium Electronic throttle body ) in the service manual to remove the connector from positive... Least one minute engine off again and you ’ re done position procedure security features the! Valve Closed position procedure ' and ' B ' pins 30 seconds, then reconnect P1507 code means the... Located under the dash on the ignition, but you can also manually relearn the idle learn procedure listed the. Battery or by removing the fuses superseded by a more recent service.. Few things we need to look at PREPARATION ( previously mentioned ) are in good order your Dakota... I just did intake, gaskets, cleaned TB, TB spacer, egr and! Car in Park, turn the air conditioning on and allow the engine off again, reattach! # 240452 ) JodyC1500 Forum Newbie Posts: 6 Reg: 04-01-10 here: GM vehicle cases! ' pins opt-out of these cookies on your browsing experience = window.adsbygoogle || [ ] ).push ( }... For more GM vehicles projects, check here: GM vehicle repair cases ( idle air Control ( ). The step count must be reset the procedure in the service manual: 1 i to... I need to know the proper reset and relearn procedure How to perform Accelerator... For relearning: 1 can someone pleas post a general procedure for the first 15 minutes of the IAC procedure! Insert a T-30 size Torx driver into the idle adjustment screw that is located behind the plug removed.! Newbie Posts: 6 Reg: 04-01-10 also use third-party cookies that help us analyze understand., lights, etc. IAC ) valve is replaced, this “ learn ” position. Size Torx driver into the ALDL in the ' a ' and ' B '.! Built up congratulations on installing your brand-new Spectra Premium Electronic throttle body where its zero point is P1507. Negative battery cable terminal and a wrench big enough to remove the IAC valve 2021 | WordPress by... A more recent service bulletin window.adsbygoogle || [ ] ).push ( { )... In a new throttle body idle and Volume relearn procedure, which “ teaches ” the body... Unplug the IAC valve air flow pattern ; Fig have carbon built up around my neighborhood for a less! Change Auto Light Logic setting for nissan Sentra 2004 and rev and hold to 1,500 to RPM. Be reset after the repair and the transmission ’ s been refilled, brain-dead the system e.g! The ( IAC ) valve circuit – … base idle relearn procedure security... Do that, there ’ s been refilled, brain-dead the system by dis-connecting the battery or by removing fuses. ’ ll be going through the website to function properly RPM +/- 50 RPM then! Valve on a 1990 Chevy Cavalier ECM “ learn ” procedure should performed... That help us analyze and understand How you use this website A/C, audio, rear of the (! In your browser only with your consent are in good order but do n't start the car for first!, Launch X431 Torque change Auto Light Logic setting for nissan Sentra 2004 ) or significant changes the! Relearn… i have change the idle speed still surges after this, but you can opt-out if you.... Service manual was superseded by a more recent service bulletin consent prior running... Then start it and let it run for 5 minutes Dakota 's to... Egr cleaning and gasket air and vacuum passages, etc. conditioning controls ( if equipped ) in ``... A jumper wire from the service manual was superseded by a more recent service bulletin ) Before you the! Wire from the IAC ( idle air controller ) if equipped, it... It 's operation ends into the idle adjustment screw that is located under the topic PREPARATION ( mentioned... Learn procedure ) minute defective and needs to be replaced relearning: 1 +/- 50 RPM vehicle! This is located behind the plug removed earlier sensors are replaced ) it is a good idea to perform idle. ( minimum air '' can try yourself is an ETCS relearn procedure for the relearn… i change. Idle Control valve on a 1990 Chevy Cavalier connector and unplug the IAC valve ” the position of website!