ECM REPROGRAMMING FOR NISSAN VEHICLES
Contents
1. TP030627 Figure 14 ECM REPROGRAMMING NOTE 21 Press CHECK ECM P N to confirm take ie These numbers note of the current ECM part number PART are only examples NUMBER 23710 3Y116 see Figure 15 CAHBRATION 13Y116 03FA5DCC NOTE This is the vehicle s ECM part number BEFORE reprogramming Your numbers will differ TP030630 Figure 15 22 Press COPY to print the current ECM part number for future reference 23 Press BACK to return to the main menu 13 17 SELECT ECM PROGRAM NOTE To 23710 2Y919 This is only H OOMY A33 VQ30 FED AN AT 24 Select the ECM program to install eee hout an example see Figure 16 9 Your data will differ DOWN BACK LIGHT COPY TP030631 Figure 16 REPROGRAM START 25 The REPROGRAM START window should appear see Figure 17 ENNEN DAS e NOTE If you get an error message refer WW CAUTION W H LOW BATTERY CONDITION MAY to the ECU Reprogramming Software CAUSE ECMIDAVAGE j ALL ELECTRICAL LOADS MUST BE Operations Manual OFF DURING REPROGRAMMING START MODE BACK LIGHT copy TP990871 Figure 17 CAUTION DURING REPROGRAMMING e Do not unplug CONSULT II from the vehicle during reprogramming Permanent ECM damage can occur e Do not open any door or the trunk during reprogramming e On some vehi2. CAUTION DO NOT connect the CONSULT II AC power supply for Steps 17 18 and 19 TP990875 Figure 12 Section 2 Confirm the vehicle s battery voltage and CONSULT II Charger Input 17 Press SUB MODE see Figure 11 Battery Charging then CONSULT II Elapsed Discharge Charge Time Vehicle ie 0091 02 00 00 00 00 01 02 vole A Press DOWN 4 times Battery Voltage Charger Input MUST BE ABOVE n 2 1 2 1 5 12 00 VOLTS B Select BATTERY CHARGE 8 3 Check Charger j 0 10 20 30 40 50 60 70 80 90 100 Input without power Battery Charge IDLE supply connected Start Discharge amp Charging Charge Input reading see Figure 13 TP030625 Figure 13 NOTE e Battery Voltage is the voltage level of CONSULT II s battery e Charger Input is the voltage level of the vehicle s battery It must be above 12 volts 11 17 19 The Charger Input reading MUST be above 12 volts see Figure 13 on page 11 e A reading above 12 volts confirms a The DLC II is properly connected to the vehicle b The vehicle battery voltage is sufficient for ECM reprogramming and C CONSULT II has a sufficient power supply to perform ECM reprogramming e Ifthe vehicles battery voltage Charger Input is below 12 volts one or more of the following may be the cause a The battery charger
3. Maxima INFO Reference iagnosi Tool Box Altima Sentra Pathfinder bold enthusiast pirited herits Ale ENN PA Frontier More L gt More gt Tools amp Latest laime AY CONS U Eup Ua 89 Ste a O Wass TP030632 Figure 3 6 From the CONSULT UTILITIES screen select ECM TCM DATA see Figure 4 GONSULED eto ee TP030622 Figure 4 4 17 7 Select the ECU REPROGRAMMING DATA see Figure 5 as follows Vehicle o ECU ctectronic control Unit Model Configuration Beem Ti E mo 3502 aang n 1 File s selected Maxima 4 Speed A T Models To 23710 8Y102 VQ35 4A T ASCD A To 23710 8Y102 A34 VQ35 o 23710 8Y112 VQ35 4A T ASCD TCS SAIT ASCD TOS tr To Sent Nameer ouest u ae Data Frontier Ld meed h by Code e only a Go B vein E row o Se SD her Continua This illustration is for example only your vehicle may be different TP030621 Remove
4. Figure 5 A Select vehicle model and model year B Select the correct reprogramming data 1 Locate the specific Model Configuration Example VQ35 4A T ASCD NOTE e Model Configuration may include items like engine type transmission type and vehicle options such as ASCD TCS ABS etc e Vehicle configuration can be verified using the Current ECM P N chart This will be shown in the TSB that told you to reprogram the ECM 2 Select click on the To number NOTE The To number reads 23710 XXXXX 3 Write the To number on the Repair Order You will need it later in the reprogramming process C Click on the Add button to add data to the File s selected list This list is on the right side of the screen D Click the CONTINUE button to proceed with CONSULT II setup 5 17 Press and hold thumb on CONSULT II screen 8 Turn ON CONSULT II as shown in Figure 6 Quickly press then release the On Off switch After double beep sounds release thumb from screen CONSULT II TP030629 Figure 6 9 Select Transfer files via LAN see Figure 7 NOTE If you accidentally choose a menu option other than Transfer Files via LAN turn CONSULT II OFF and then back ON as shown in Figure 6 above cHt OOO CONSULT II e Ji TP000592 7 Set the CONSULT II unit down for now and go
5. data that are not covered in these instructions For information on these new functions and other ASIST 8 0 enhancements see the article ASIST 8 0 Has Arrived in the July August 2003 issue of TechTalk 17 17
6. it must be replaced 1 17 SERVICE PROCEDURE NOTE When ECM reprogramming is required to repair a vehicle a Technical Service Bulletin will be issued ECM reprogramming involves two general steps e Download transfer data from ASIST into CONSULT II e Download new data from CONSULT II into the vehicle Reprogram ECM Before beginning the reprogramming procedure use CONSULT II and the Diagnostic Card red white one to retrieve any stored DTC s Additional repairs may be necessary if there are DTC s not associated with a Reprogramming bulletin Refer to the appropriate TSB or Service Manual SETTING UP 1 Install the Reprogramming Card into CONSULT II e The Reprogramming Software Card is the orange Card e Use slot Atop slot see Figure 1 2 Connect the AC power supply to CONSULT II Insert card into slot A top WN Make sure card is fully seated TP010647 Figure 1 3 Connect CONSULT II to the ASIST PC with the special Ethernet cable P N 02002554 is printed on the cable A Connect one end to CONSULT II at the PC port B Connect the other end to the ASIST PC at the Ethernet card connection port 4 Confirm the CONSULT II date and time are correctly set as follows This is necessary to provide a valid print out for warranty claims A With the Reprogramming card in slot A turn ON CONSULT II B Touch SU
7. you hooked up in section 1 is not charging the battery poor connection or it is not working The DLC II does not have a good connection to the vehicle not straight The DLC II cable may have a malfunction damaged wire or pins The CONSULT II Converter J44200 50 black box is not working correctly see Figure 10 on page 10 CAUTION Do not attempt ECU reprogramming if the vehicle s battery voltage is below 12 volts Permanent ECU damage can occur if the vehicle battery does not maintain the minimum voltage during ECU reprogramming If Charger Input is above 12 volts power from the vehicle battery will keep CONSULT II s power supply at the correct level during reprogramming see Figure 13 12 17 Section 3 Perform ECM Reprogramming 20 Press INITIATE ECU REPROGRAM see Figure 14 then A Press ECM B Review the precaution C Press NEXT NISSAN SELECT TARGET ECU PRECAUTION lt PRECAUTION gt ELECTRONIC CONTROL UNIT 1 Make sure vehicle battery is properly REPROGRAMMING charged i 2 Make sure all vehicle accessories are OFF 3 Connect AC DC power supply to AERO2C 1 CONSULT II If CONSULT II battery is properly charged this can be omitted lt REPROGRAMMING gt 4 Execute ECU reprogram based on INITIATE ECU REPROGRAM operation manual C 5 Touch START the back light will turn off automatically and reprogramming will begin
8. B MODE 2 17 C Touch SET DATE see Figure 2 1 If the date is not correct touch the MONTH DAY or YEAR as needed Then adjust it by using arrow keys Once done press SAVE press BACK and go to step D 2 If the date is OK press BACK and go to step D SUB MODE VERSION CONFIGURE ETHERNET COMMUNICATIONS TEST LCD TEST DOWN MODE BACK LIGHT COPY TP030628 Figure 2 D Touch SET TIME see Figure 2 1 If time is not correct touch the HOUR MINUTE or AM PM as needed Then adjust it by using arrow keys Once done press SAVE press BACKI and go to step 5 2 If time is OK press BACK and go to step 5 IMPORTANT NOTE If your ASIST PC is already being used to perform ECM reprogramming proceed to step 5 on the next page If you are unsure whether your ASIST PC has already been set up for ECM reprogramming look in ASIST under CONSULT Utilities CONSULT II Info NISSAN ECU Reprogramming This will give you instructions for setting the Ethernet IP Address of the ASIST PC and CONSULT II You will need to do this before performing ECM reprogramming 3 17 DOWNLOAD TRANSFER DATA FROM ASIST INTO CONSULT II 5 From the ASIST PC main menu screen select CONSULT UTILITIES see Figure 3
9. T II INTO THE VEHICLE REPROGRAM ECM CAUTION e Perform this operation in four 4 sections DO NOT SKIP any of these sections e They must be performed in order 1 through 4 Section 1 Connect a battery charger and CONSULT II to the vehicle Section 2 Confirm the vehicle battery voltage and CONSULT II Charger Input Section 3 Perform ECM Reprogramming Section 4 Perform ECM Reprogram Confirmation Section 1 Connect a battery charger and CONSULLT II to the vehicle 12 Confirm the ignition switch is OFF 13 Connect a battery charger to the vehicle battery A Set the charger at a low charge rate trickle charge IMPORTANT Do not perform ECU reprogramming without connecting a battery charger to the vehicle s battery Permanent ECU damage can occur Connecting a vehicle battery charger will maintain e Proper CONSULT II power supply during reprogramming very important if the CONSULT II battery is low e Vehicle battery voltage level especially on late model vehicles where the cooling fans come on during reprogramming 14 Connect CONSULT II to the vehicle using the DLC II cable with black Converter Box see Figure 10 on next page 9 17 VERY IMPORTANT e Make sure the DLC II is straight and fully plugged in to the vehicle e Make sure all other DLC II cable connections shown in Figure 10 are connected properly Power ae CONSULT II Converter eg r r eA J44200 50 mse S 7 DDL Port P
10. Technical Bulletin NISSAN Pe Classification EC99 013c October 6 2003 APPLIED VEHICLES 1999 Frontier D22 1999 Quest V41 1999 5 Pathfinder R50 All 2000 and later SERVICE INFORMATION e In vehicle ECM reprogramming is available to update the ECM of certain 1999 vehicles listed in Applied Vehicles above and all 2000 and later vehicles e This reprogramming allows the vehicle ECM to be upgraded to the latest operating specifications without removal or replacement of the ECM e When an ECM has been reprogrammed it will display a new P N on the CONSULT II screen NOTE ECM reprogramming will not effect NATS e ECM reprogramming requires the use of ASIST 8 0 or higher and CONSULT II with the ECU Reprogramming Software Card orange color e Use the Service Procedure steps to transfer ECM reprogramming data from the ASIST PC to CONSULT II and from CONSULT II to the vehicle ECM e Refer to the ECU Reprogramming Software Operations Manual in ASIST for additional information on using CONSULT II for ECM reprogramming CAUTION e An ECM should be reprogrammed only when required by a specific Nissan Technical Bulletin or as otherwise directed by Nissan North America e The ECM can be permanently damaged if the reprogramming procedure is not followed exactly e Do not disturb don t touch the vehicle CONSULT II or the DLC II cable while ECM reprogramming is in progress e Ifthe ECM is damaged
11. cles the cooling fans may come on during reprogramming This is anormal condition Do not disconnect the cooling fans Forgetting to reconnect them may cause severe engine damage A vehicle battery charger is needed to maintain the battery voltage level during reprogramming You should have hooked up a battery charger in Section 1 14 17 26 Press START ECM REPROGRAMING OLD ECM PROGRAM OF SUB CPU HAS After a few seconds the window shown in PEENIS ONPLETERAERR ER i 1 CANCELLING THE PROCESS WILL Figure 18 will appear DESTROY THE ECM 0 CONSULT II will now turn OFF its screen E backlight 20 40 60 80 SUB CPU BEING REPROGRAMMED MAIN CPU WILL BE REPROGRAMMED When the screen backlight goes OFF ECM E E reprogramming has started N Thi iltake TP990872 OTE is process will take from 10 to 20 Figure 18 minutes CAUTION You must leave the vehicle and the CONSULT II unit undisturbed don t touch until reprogramming is complete NOTE If CONSULT II screen gives you an error message Unmatch of Vehicle Data e You tried to reprogram with an incorrect data file or e You are trying to reprogram with a file that is already in the ECM 27 When the reprogramming is complete ECA REFBOGRANMING NOTE CONSULT II will beep turn the screen reer These numbers backlight back ON and automatically print are only examples out a report see Fi
12. gure 19 ena Your numbers PART NUMBER will differ 23710 3Y11X e Remember it may take up to 20 minutes CALIBRATION ID 13Y11X CVN A Attach the print out to the repair order for ree future reference ee ents 13Y116 TP990873 Figure 19 If CONSULT II prints REPROGRAMMING UNEXPECTEDLY TERMINATED CAUTION The ECM has been permanently damaged and will require replacement In this case perform steps A through G on page 16 Do not start the engine with the damaged ECM installed 15 17 28 Press END to return to the main menu 29 Turn the ignition switch OFF and CONSULT II OFF 30 Wait more than 10 seconds then turn the ignition switch ON for 1 second Then turn the ignition switch OFF again for 10 seconds see Figure 20 e This will reset ECM self learned Data Ignition key ON About 1 Sec About 1 Sec Ignition key OFF 10 Sec 10 Sec TP030626 Figure 20 Section 4 Perform ECM Reprogram Confirmation 31 Start the engine 32 Check engine idle speed e lf idle speed is too low perform IAVL Idle Air Volume Learning See the appropriate Service Manual ESM for this procedure NOTE If the engine will not idle hold the engine RPM at about 2000 then slowly bring it down to an idle IAVL can now be performed 33 Confirm the engine is operating normally 34 Make sure the Check Engine Light MIL is not ON e f necessary u
13. se CONSULT II and the Diagnostic red white Card to erase any DTC s that may have stored during the reprogramming procedure END 16 17 PROGRAMMING UNEXPECTEDLY TERMINATED See step 27 on page 15 The ECM has been permanently damaged and will require replacement Perform steps A through G below CAUTION Do not start the engine with the damaged ECM installed Turn the ignition OFF turn CONSULT II OFF and DISCONNECT THE NEGATIVE TERMINAL OF THE VEHICLE BATTERY Attach the CONSULT II print out to the repair order for future reference Replace the damaged ECM Reconnect the negative battery cable If the vehicle is equipped with NATS e Some models will require registration of the NATS keys e See the appropriate TSB s or Service Manual ESM for NATS information and key registration procedures Perform IAVL Idle Air Volume Learning See the appropriate Service Manual ESM for this procedure Check the new ECM s current P N 1 Make sure it is the latest newest P N 2 See step 21 on page 13 NOTE e Anew ECM from the parts department may not have the newest program e f needed return to step 5 on page 4 of this procedure and reprogram the new ECM with the latest available P N Be careful to follow each step exactly as written For Those Who Are Experienced With ECU Reprogramming ASIST 8 0 and later has some new advanced functions for selecting and downloading reprogramming
14. to your ASIST PC 6 17 10 Transfer download data from ASIST into CONSULT II A On the ASIST screen click on Transfer see Figure 8 Insert reprogrammng card 2 Blaceralat hold Release finger 4 Select Transfer Connect A C power adapter finger _on sereen from screen file Via LAN Connect Ethernet cable to while processing up after 2 tone beep CONSULT II amp PC port Click TRANSFER Ww Figure 8 TP030623 e Data transfer will take about 15 seconds per file e Transfer progress is displayed on the ASIST screen see Figure 8 B Wait until the data transfer is complete see CAUTION below CAUTION DO NOT DISCONNECT THE ETHERNET CABLE UNTIL COMPLETE IS DISPLAYED AS SHOWN IN FIGURE 9 ON THE NEXT PAGE e If the cable is disconnected before Complete is displayed you MUST restart the transfer download procedure otherwise ECM damage can occur e lf the cable is disconnected during the transfer wait for ASIST to display an error message then click on OK Select Backup then return to step 6 on page 4 7 17 File Transfer Complete Power off CONSULT II and Disconnect Cables TP030624 Figure 9 11 When transfer is complete see Figure 9 A Select click on Okay then MAIN MENU B Turn OFF CONSULT II C Disconnect the AC power cord and the Ethernet cable from CONSULT II 8 17 DOWNLOAD NEW DATA FROM CONSUL
15. y on CONSULT II Wa DLC II re a J44200 40 AW Converter Cable lt lt PN J44200 20 CONSULT II Pigtail J44200 10 Velcro strap TP020328a Figure 10 CAUTION e Nissan requires the use of essential tools shown in Figure 10 when performing ECM reprogramming e J44200 10 Pigtail should not be removed from the CONSULT II DDL Port This Pigtail allows use of the stronger quick disconnect cable set e f cables are very often changed at the DDL Port base of the CONSULT II unit cable connector pin damage may result e If there is connector pin damage ECM reprogramming may fail Permanent ECU damage can occur NISSAN 15 Turn ON the ignition switch do not start ELECTRONIC CONTROL UNIT the engine REPROGRAMMING e CONSULT II will turn ON AERO2C 1 automatically see Figure 11 INITIATE ECU REPROGRAM e Confirm that all electrical loads except for the ignition are OFF SUB MODE Headlights defroster A C Audio radio and cellular telephone etc LIGHT COPY TP030620 Figure 11 10 17 16 Roll down the driver s window part way exit the vehicle close the door and hang the CONSULT II unit on the outside of the window see Figure 12 e This step is necessary to ensure the CONSULT II and DLC II cable will not be disturbed during reprogramming
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