2000 Nissan Maxima TSB
Contents
1. Ignition key ON 2 Sec 2 Sec Ignition key OFF 10 Sec 10 Sec TP030626b Figure 6 3 Start the engine and check the idle speed e If 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 to erase any DTC s that may have stored during the reprogramming procedure 9 10 Parts Replacement if needed Replace the Front Tube Assembly and the Front HO2S1 B1 Oxygen Sensor see Figures 7 and 8 below e Refer to the FE section in the applicable ESM for the replacement procedures ee pore Sees Bank 1 B1 ront Tube mel Assembly i B2 Rear O2 LZ a a sensor B2 HO2S1 B1 A RED Front O2 N B2 sensor B1 ie Pre cat BLACK S RIE a eM ut B1 Pre Cat _ SSS E lt 2 B2 H02S1 B2 panic aBa Front O2 sensor B2 Front H02S2 B1 Bio Rear O2 sensor B1 WHITE TP010105a s 7 H02S1 B1 Front O2 Sensor B1 BLACK Harness e g GIN s Front Strut Tower A AN U2 TP030484a Figure 8 eo A 10 102. You MUST closely follow the entire Repair Flow Chart and Service Procedure starting on page 3 as it contains information that is essential to successfully completing this repair 1 10 PARTS INFORMATION NOTE e The below parts are ONLY needed if your vehicle s ECM Part Number P N DOES NOT match a Current ECM P N in Chart A page 5 e The below parts are NOT needed if your vehicle s ECM Part Number P N matches a Current ECM P N in Chart A page 5 DESCRIPTION PART NUMBER QUANTITY Front Tube Assembly 20020 3Y 400 1 Front Oxygen Sensor H02S1 B1 Gasket Exhaust 2000 MY only Gasket Catalyst 2001 MY only 1 Gasket Exhaust 2000 01 MY Gasket Exhaust Manifold A 2000 01 MY 1 CLAIMS INFORMATION If the ECM P N IS on Chart A submit a Primary Failed Part PP line claim using the following claims coding DESCRIPTION PFP OP CODE SYM DIA FRT 7 hrs Reprogram ECM and perform CONSULT II check for 2 DE98AA HC 32 JO DTC P0420 1 1 FRT includes sufficient labor time for diagnosis DO NOT claim any Section EE diagnostic Op Codes for this reprogram operation 2 Reference the final CONSULT II reprogram function print out and use the indicated P N as the PFP OR If the ECM P N IS NOT on Chart A submit a Primary Failed Part PP line claim using the following claims coding DESCRIPTION _PFP___ OPCODE SYM DIA FRT RPL One Front Exhaust 20020 3Y400 FD10AA T
3. Check the Current ECM Part Number next page THIS VEHICLE CONFORMS TO U S EPA NLEV REGULATIONS APPLICABLE TO GASOLINE FUELED 2000 MODEL YEAR NEW LEV PASSENGER CARS AND CALIFORNIA REGULATIONS APPLICABLE TO GASOLINE FUELED 2000 MODEL YEAR NEW LEV PASSENGER CARS QANNHDSC lt oOW TP000554 Figure 1 4 10 Check the Current ECM Part Number With CONSULT II ON print the Freeze Frame data as follows START Nissan gt gt gt gt Self DIAG Results gt gt F F Data gt gt PRINT e The Freeze Frame data that you ve printed SYSTEM ENGINE contains the ECM Part Number P N DATE SO OIE AA P 23710 XXXXX lt de Number e Figure 2 is an example of the F F Data printout DTC RESULTS DTC description here e Once you know the current ECM part number DTC POXxx go to the next step Compare the Current ae ECM Part Number to Chart A below Example your screen may differ TP020389k Figure 2 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 NOTE V Tires V rated Tires TCS Traction Control System A If your vehicle s ECM P N matches a P N in the chart above e Perform ECM Reprogramming starting on page 6 B If your vehicle s ECM P N does not match a P N in the chart above e ECM Rep
4. XX Engine 1 Trans 1 etc i Pathfinde Murano Xterra L 5 Search by Code 3 per bulletin only Continue This illustration is for example only your vehicle may be different TP030621b Figure 3 1 Select vehicle model and model year Example Maxima 2001 2 Select the correct reprogramming data a Locate the specific Model Configuration Example VQ30 4A T ASCD TCS NOTE Model Configuration may include items such as engine type transmission type and vehicle options such as ASCD TCS 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 7 10 Step Two Preparation for Reprogramming ECM CAUTION DO NOT connect the CONSULT II AC power supply for items 1 and 2 1 2 Check the CONSULT II s Charger Press SUB MODE see Figure 4 then a From the listed items find and select BATTERY CHARGE Input reading see Figure 5 NOTE Battery Voltage is the voltage level of CONSULT II s battery Charger Input is the voltage level of the vehicle s b
5. attery It must be above 12 volts NISSAN ELECTRONIC CONTROL UNIT REPROGRAMMING AERO2C 1 INITIATE ECU REPROGRAM SUB MODE LIGHT COPY TP030620 Figure 4 Battery Charging CONSULT II Elapsed Discharge Charge Time Vehicle Battery R Battery Voltage 0091 02 00 00 00 00 01 02 Voltage Battery Voltage Charger Input MUST BE 8 32 12 15 1200vor a n 12 00 VOLTS 0 100 Check Charger 0 10 20 30 40 50 60 70 80 90 100 Input without AC power Battery Charge IDLE supply connected Start Discharge amp Charging Charge MODE BACK LIGHT COPY TP030625 Figure 5 CAUTION If the Charger Input is below 12 volts connect a battery charger to the vehicle s battery and re check the Charger Input If still not 12V then Click hereo 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 8 10 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 2 second then b Turn the ignition switch OFF again for 10 seconds see Figure 6 e This will reset ECM self learned Data
6. rogramming is not necessary e Replace the Front Tube Assembly and the Front HO2S1 B1 Oxygen Sensor See Parts Replacement on page 10 for an illustration and more details 5 10 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 the vehicle ECM 3 Reprogram the vehicle ECM 4 Wrap up after reprogramming is finished e If you re not familiar with the latest ECM reprogramming 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 6 10 Step One Download Transfer Data From ASIST Into CONSULT II Vehicle ECU Electronic Control Unit Model Configuration COWSULT HI Reprogramming Data l Click the Add button C sso ae Pee 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 etc To 23710 XXXXX Vehicle Configuration 2 To Sentr 2001 E To 23710 XXXXX Engine 1 Trans 1 etc To 23710 XXXXX Engine 1 Trans 1 etc eee 2000 fre i Quest Vehicle Configuration 3 E To 23710 XXX
7. ube Gas O2 Sensor 1 Reference the current Nissan Warranty Flat Rate Manual and use the indicated FRT 2 10 Bulletin does not apply Use ESM DTC P0420 Procedure Repair Flow Chart MIL On DTC P0420 Stored 00 MY Maxima Certified for California emissions Check Emissions Certification Label underside of engine hood see Figure 1 pg 4 Yes 01 MY Maxima Determine ECM P N from top of CONSULT II self diagnosis printout or by CONSULT ECM P N function See Check the Current ECM Part Number and Figure 2 on page 5 ECM P N one of those listed in Chart A pg 5 Yes v No Perform ECM reprogramming see ECM Reprogramming on page 6 Download from ASIST to CONSULT II Program from CONSULT II to vehicle 3 10 Replace the Front Tube Assembly and the Front H02S1 B1 Oxygen Sensor See Parts Replacement on page 10 SERVICE PROCEDURE Bulletin Applicability Determine if this bulletin applies to the vehicle 1 For 2000 Maxima vehicles check the Emissions Certification Label on the underside of the engine hood see Figure 1 Is the certificate for California emissions e If the certificate is not for California emissions this bulletin does not apply Use the P0420 Diagnostic Procedures in the ESM to further diagnose and repair e If the certificate is for California emissions proceed to
8. yO NISSAN NORTH AMERICA INC NISSAN Copyright SERVICE BULLETIN Classification EC00 024b NTB00 070b June 7 2004 2000 2001 MAXIMA MIL ON WITH DTC P0420 STORED THREE WAY CATALYST FUNCTION IMPORTANT THIS BULLETIN HAS BEEN REVISED The Service Information and Service Procedure sections of this bulletin were revised Please use this bulletin NTB00 070b for complete information Discard all previously distributed copies of NTB00 070a APPLIED VEHICLES 2000 2001 Maxima A33 Except 2000 Maximas with Federal Emissions Specification IF YOU CONFIRM An applied vehicle has the following symptoms e MIL ON with DTC P0420 stored AND e Vehicle runs OK and does NOT have a misfire or driveability incident ACTIONS 1 Confirm this bulletin applies to the vehicle you re working on Refer to the Repair Flow Chart on page 3 for details 2 Compare the current ECM part number to Chart A on page 5 e If your ECM part number is listed in Chart A reprogram the ECM to the latest ECM data See ECM REPROGRAMMING on page 6 for details Do NOT replace any parts in this case e f your ECM part number is NOT listed in Chart A you do not have to reprogram the ECM But you will have to replace the Front Tube Assembly and the Front H02S1 B1 Oxygen Sensor See Parts Replacement on page 10 for details IMPORTANT The purpose of ACTIONS above is to give you a quick idea of the work you will be performing
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