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Some 2006 Frontier, Xterra, and Pathfinder vehicles are not covered by this bulletin; they are covered under Nissan Recall Campaign NTB10-031 (that addresses the separate issue of the fuel gauge reading 1/4 full when the tank is empty). Check Service COMM to see if the vehicle you are working on is instead covered under that Campaign. IF YOU CONFIRM: The fuel gauge is erratic, inaccurate, or inoperative. And/Or The MIL is “ON” with DTC P0461, P0462, or P0463 stored in Self-Diagnosis. ACTIONS: Replace the fuel level sending unit with the one from the Parts Information section of this bulletin. • Refer to section FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY Disassembly and Assembly in the FL section of the appropriate Electronic Service Manual for details on the procedure, if needed. NOTE: Do not replace the entire fuel pump assembly for this incident, if it should occur.

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SERVICE INFORMATION If a 1999 Maxima will not start and the Security lamp is on solid with the ignition key turned to “ON”, use CONSULT or CONSULT-II with the NATS card to verify NATS DTC “ID DISCORD, IMM-ECM” is stored. If this DTC appears, use the Service Procedure in this bulletin to diagnose and repair the vehicle. For an introduction to and description of the Nissan Anti-Theft System (NATS), please refer to NTB99-063. SERVICE PROCEDURE NOTE: This procedure is described using CONSULT-II. CONSULT may also be used to perform the diagnostic procedures outlined below. However, the screens and steps will differ slightly from those shown here. 1. Install the NATS card (purple) into slot 1 of CONSULT-II (see Figure 1). Figure 2 3. Turn the ignition switch to “ON” (do not start the engine). CONSULT-II will then turn on automatically (see Figure 3). Now touch “START”. Figure 3 4. Select “NATS V2.0″ (see Figure 4).

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Vehicle Application: Customer Concern: Tests/Procedures: Potential Causes: Tech Tips: 2004 Nissan Murano 3.5L, USA/Canada Malfunction Indicator Light (MIL) is ON. Bank 1 catalytic converter code P0420. 1. Check scan data for fuel trims to see if the system is in proper fuel control – look for 0% plus or minus 10% in generic or 90 – 110 % alpha in manufacture specific. 2. Verify there are no exhaust leaks. 3. Drive the vehicle and check the bank 1 rear O2 sensor activity on the scan tool or with a voltmeter to see if the bank 1 rear O2 sensor is cross counting like a typical front O2 sensor would. Catalytic Converter If in manufacture specific with the scan tool, Nissan displays fuel trims in alpha. 100% alpha is the same as 0% fuel trim. This vehicle has front air fuel ratio sensors – not O2 sensors. Bank 1 is the firewall bank. Bank 2 is the radiator bank. Before the catalytic converter lights off, the rear O2 sensor voltage is usually down around 0.2 – 0.4 volts or so but when the catalytic converter lights off, it uses up a lot of the oxygen so the rear O2 sensor voltage will typically reads around 0.6 – 0.7 volts and have some movement but not a lot of movement and should not cross count above and below 0.5 volts. The catalytic converter is covered under the 8 year 80,000 mile federal emissions warranty. 2004 Nissan Quest 3.5L, USA/Canada

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SERVICE INFORMATION If an applied vehicle has DTC P0100 stored and possibly exhibits, • • • Engine rough running Engine surging Low engine power the cause may be an airflow sensor that has been damaged by air-ingested dust/dirt. To resolve this incident, if it should occur, follow the steps outlined in the Service Procedure on page 2. Service Procedure Summary: • Remove dust/dirt/debris from inside the air cleaner housing. This will help prevent another incident. • A new genuine Nissan air filter element must be used for all warranty claims, and any other claim for which Nissan pays. A new genuine Nissan air filter element is designed to be compatible with the Nissan air flow meter and has proven to provide adequate dust protection to help prevent these incidents. It is strongly recommended that incident customers continue using Nissan genuine air filters for assured protection when replacing according to the routine maintenance schedule. See parts information for the air filter part number (P/N). • Install a new complete airflow meter assembly. See Parts Information for the part number (P/N). • Reprogram the ECM with special new data that is matched to the different output characteristics of the new airflow meter.

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NISSAN Removal Procedure 1996 Nissan Pathfinder 4X4: 1. Locate the ABS G-Force Sensor under the center floor console. 2. Remove center floor console. 3. Disconnect the harness connector. 4. Remove the two bolts to release the sensor. SUBARU Removal Procedure for 1990-1995 Subaru Legacy with 5MT AWD, 1993-1996 Subaru Impreza with 5MT AWD: 1. Locate the ABS G-sensor switch on the right front wheel apron. 2. Disconnect the wire harness connector from the switch and mounting hardware (two screws). VOLKSWAGEN (has no models with Hg ABS G-sensors)