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1. CS ABS etc b Select click on the To number Write the To number on the repair order NOTE The To number will read 23710 XXXXX 3 Click on the Add button e This will add the selected data to the File s Selected list 4 Click on Continue and follow directions to perform data transfer download from ASIST into CONSULT II 6 8 Step Two Preparation for Reprogramming ECM 1 2 3 Check the CONSULT II s Charger Connect a battery charger to the vehicle s battery e Set the charger to a low charger rate trickle charge CAUTION DO NOT connect the CONSULT II AC power supply for items 2 and 3 Press SUB MODE see Figure B then a From the listed items find and select BATTERY CHARGE Input reading see Figure C NOTE Battery Voltage is the voltage level of CONSULT II s battery Charger Input is the voltage level of the vehicle s battery It must be above 12 volts NISSAN ELECTRONIC CONTROL UNIT REPROGRAMMING AERO2C 1 INITIATE ECU REPROGRAM SUB MODE LIGHT COPY TP030620 Figure B Battery Charging CONSULT II Elapsed Discharge Charge Time Vehicle Battery Battery Voltage 0001 02 00 00 00 00 01 07 Voltage Battery Voltage Charger Input MUST BE 8 32 12 15 1200vor n n 12 00 VOLTS 0 100 Check Charger 0 10 20 30 40 50 60 70 80 90 100 Input without AC power Batte2. Technical Bulletin NISSAN Pg Classification EC04 001 Date February 19 2004 2004 MAXIMA AND QUEST 4AT amp 6MT MODELS ONLY MIL ON P0171 P0174 P1273 P1283 APPLIED VEHICLE 2004 Maxima A34 with 4 speed A T and 6 speed M T 2004 Quest V42 with 4 speed A T NOTE This bulletin does NOT apply to vehicles with 5 speed A T See NTB04 027 IF YOU CONFIRM The following DTC code s are stored e DTC P0171 P1273 OR e DTC P0174 P1283 NOTE This bulletin does NOT apply if you have P0171 and P0174 together or you have P1273 and P1283 together ACTIONS 1 Make sure the engine does not have any intake or exhaust leaks 2 Replace the Air Fuel Sensor if no intake or exhaust leaks are found e Codes P0171 and or P1273 replace Bank 1 sensor e Code P0174 and or P1283 replace Bank 2 sensor 3 If needed reprogram the ECM see the Service Procedure step 3 on page 4 IMPORTANT The purpose of ACTIONS above is to give you a quick idea of the work you will be performing You MUST closely follow the entire Service Procedure starting on page 3 as it contains information that is essential to successfully completing this repair 1 8 PARTS INFORMATION DESCRIPTION PART QUANTITY Air Fuel Sensor Bank 1 or Bank 2 22693 7Y000 CLAIMS INFORMATION Submit a Primary Failed Part PP line claim using the following claims coding DESCRIPTION PFP_ OP CODE SYM DIA FRT _ RPL O
3. mber With CONSULT II ON print the Freeze Frame data as follows START Nissan gt gt gt gt Self DIAG Results gt gt gt gt PRINT SYSTEM ENGINE e The Freeze Frame data that you ve printed DATE XXIXXIKXXX CHK o rren contains the ECM Part Number P N PIA 23710 XXXXX mem ECM Part Number Freeze Frame e Figure 3 is an example of the F F Data e RESUS printout EVAP SMALL LEAK DTC P0442 Code Example your screen may differ TP020389b Figure 3 Compare the Current ECM Part Number to Chart A Compare the vehicle s current ECM P N to those shown under Current ECM P N in Chart A below Chart A VEHICLE PACKAGE Current ECM P N Maxine 4 Speed A T 23710 CK005 CK006 CK007 CK008 5 speed A T TSB does not apply Refer to NTB04 027 A If your vehicle s ECM P N matches a P N in the chart above e Perform ECM Reprogramming starting on page 5 B If your vehicle s ECM P N does not match a P N in the chart above e This bulletin does not apply Refer to the appropriate TSB or ESM for further diagnosis and repair 4 8 ECM REPROGRAMMING Vehicle ECM Reprogramming Overview e There are four basic steps 1 Download reprogramming data transfer it from ASIST into CONSULT II 2 Preparation steps before reprogramming 3 Reprogram the vehicle ECM 4 Wrap up after reprogramming is finished e If you re not familiar with the latest ECM reprog
4. ne Air Fuel Ratio a DE53AA 32 2 aye Reference the Parts Information table and use the indicated sensor P Ns as the PFP Reference the current Nissan Warranty Flat Rate Manual and use the indicated FRT AND IF REQUIRED DESCRIPTION P OP CODE SYM DIA FRT Reprogram ECM per TSB DE98AA 0 8 hrs 2 8 SERVICE PROCEDURE 1 Make sure the engine does not have any intake or exhaust leaks e Use the EC section of the appropriate Service Manual ESM and ASIST for intake and exhaust system diagnostic information e lf no intake or exhaust system leaks are found go to step 2 2 Replace the A F Sensor bank tor bank 2 e The A F Sensor is located in the exhaust manifold in front upstream of the catalyst For DTC code s P0171 and or P1273 e Replace A F Sensor Bank 1 e tis located on the side of the engine that is towards the rear of the vehicle see Figure 1 For DTC code s P0174 and or P1283 e Replace A F Sensor Bank 2 e tis located on the side of the engine that is towards the front of the vehicle see Figure 2 yy J Byg ib Oe ee UK Be Lie Bank 1 SAS A F Sensor nel he oT Engine front Figure 1 Engine front Bank 2 Ne i TP040016 Figure 2 3 Reprogram the ECM needed only if a match is found in chart A e Check the Current ECM Part Number e Compare your Current ECM Part Number to Chart A below Check the Current ECM Part Nu
5. o erase any DTC s that may have stored during the reprogramming procedure 8 8
6. ramming procedures click here This will link you to the ECM Reprogramming For Nissan Vehicles general procedure Or refer to Attachment A in the print copy of this bulletin e For those familiar with ECM Reprogramming please review the following steps and use them as a Quick Reference for ECM reprogramming 5 8 Step One Download Transfer Data From ASIST Into CONSULT II Vehicle ECU Electronic Control Unit Model Configuration CONSULT HI Reprogramming Data al Click the Add button Cso pee Pe 1 Vehicle Configuration 1 1 File s selected E To 23710 XXXXX Engine 1 Trans 1 etc Altima 2002 lE To 23710 XXXXX Engine 1 Trans 1 ete fo Peres rr Vehicle Configuration 2 To Sentez 2001 E To 23710 XXXXX Engine 1 Trans 1 etc To 23710 XXXXX Engine 1 Trans 1 etc Number Tif Quest r 7 athfinde Vehicle Configuration 3 _ 2000 e To 23710 XXXXX Engine 1 Trans 1 etc Murano _Xterra EEJ This illustration is for example only your vehicle may be different TP030621b Figure A 1 Select vehicle model and model year Example Maxima 2004 2 Select the correct reprogramming data a Locate the specific Model Configuration Example VQ35 4A T ASCD TCS NOTE Model Configuration may include items such as engine type transmission type and vehicle options such as ASCD T
7. ry Charge IDLE supply connected Start Discharge amp Charging Charge MODE BACK LIGHT COPY TP030625 CAUTION If the Charger Input is below 12 volts Figure C e Click here to link to the ECM Reprogramming For Nissan Vehicles general procedure or refer to Attachment A in the print copy of this bulletin e The general procedure includes a list of items to check when Charger Input voltage is below 12V 7 8 Step Three Reprogram the Vehicle ECM Step Four Wrap up After Reprogramming is Finished 1 Turn the ignition switch OFF and turn CONSULT II OFF 2 Wait more than 10 seconds then a Turn the ignition switch ON for 1 second then b Turn the ignition switch OFF again for 10 seconds see Figure D 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 D 3 Start the engine and check the idle speed e f 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 4 Confirm the engine is operating normally 5 Make sure the Check Engine Light MIL is not ON e f necessary use CONSULT II and the Diagnostic red white Card t
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