Nissan Altima 2007-2012 Service Manual: Fuel pressure

Inspection

FUEL PRESSURE RELEASE

1. Turn ignition switch ON.

2. Perform “FUEL PRESSURE RELEASE” in “WORK SUPPORT” mode with CONSULT-III.

3. Start engine.

4. After engine stalls, crank it two or three times to release all fuel pressure.

5. Turn ignition switch OFF.

1. Remove fuel pump fuse located in IPDM E/R.

2. Start engine.

3. After engine stalls, crank it two or three times to release all fuel pressure.

4. Turn ignition switch OFF.

5. Reinstall fuel pump fuse after servicing fuel system.

FUEL PRESSURE CHECK

CAUTION: Before disconnecting fuel line, release fuel pressure from fuel line to eliminate danger.

NOTE: • Prepare pans or saucers under the disconnected fuel line because the fuel may spill out. The fuel pressure cannot be completely released because L32 models do not have fuel return system.

• Use Fuel Pressure Gauge Kit [SST: (J-44321)] to check fuel pressure.

1. Release fuel pressure to zero.

2. Connect fuel tube (B) adapter to quick connector.

A : Fuel pressure gauge

C : Fuel feed hose

3. Turn ignition switch ON and check for fuel leakage.

4. Start engine and check for fuel leakage.

5. Read the indication of fuel pressure gauge.

At idling : Approximately 350 kPa (3.57 kg/cm2, 51 psi)

6. If result is unsatisfactory, check fuel hoses and fuel tubes for clogging.

If OK, Replace “fuel filter and fuel pump assembly”.

If NG, Repair or replace.

    Evap leak check
    Inspection CAUTION: • Do not use compressed air or a high pressure pump. • Do not exceed 4.12 kPa (0.042 kg/cm2, 0.6 psi) of pressure in EVAP system. NOTE: • Do not start engine. • ...

    Other materials:

    Passenger seat belt warning system
    System Diagram System Description The seat belt warning lamp (1) will remind the driver if the driver or front passenger seat belt should be buckled. The system works in conjunction with the occupant classification system. Refer to SRC- 10, "Occupant Classification System (OCS)". ...

    Bose speaker AMP
    Removal and Installation - Coupe REMOVAL 1. Disconnect the negative battery terminal. 2. Remove the trunk floor carpet and spare tire cover. Refer to INT-23, "Removal and Installation". 3. Remove the RH trunk floor spacer. 4. Remove the Bose speaker amp. screws (A), then disc ...

    Rear window defogger and door mirror defogger do not operate
    Diagnosis Procedure 1. CHECK REAR WINDOW DEFOGGER SWITCH Check rear window defogger switch. Refer to DEF-13, "Component Function Check". Is the inspection result normal? YES >> GO TO 2 NO >> Repair or replace the malfunctioning parts. 2. CHECK REAR WINDOW DEFOGGER R ...