Nissan Altima 2007-2012 Service Manual: Fuel gauge

System Diagram

System Description

The fuel gauge indicates the approximate fuel level in the fuel tank.

The fuel gauge is regulated by the unified meter control unit and a variable resistor signal supplied by the fuel level sensor unit.

 Component Parts Location

1. Combination meter M24

2. IPDM E/R E17, E18, E201, F10

3. ECM E10

4. TCM F16

5. BCM M17, M18, M19, M21 (view with instrument panel removed)

6. ABS actuator and electric unit (control unit) E26

7. Fuel level sensor unit and fuel pump (fuel level sensor) B42 (view with rear seat and inspection hole cover removed)

8. Ambient sensor E211 (view of front bumper fascia)

9. Oil pressure switch F41 (QR25DE) (view with engine removed)

10. Oil pressure switch F41 (VQ35DE) (view with engine removed)

11. Parking brake switch M73 (Sedan with M/T and Coupe) (view with center console removed)

12. Parking brake switch E35 (Sedan with CVT) (view with instrument lower cover LH removed)

Component Description

    Engine coolant temperature gauge
    System Diagram System Description The engine coolant temperature gauge indicates the engine coolant temperature. The ECM provides an engine coolant temperature signal to the combination mete ...

    ODO/TRIP meter
    System Diagram System Description The vehicle speed signal and the memory signals from the meter memory circuit are processed by the combination meter and the mileage is displayed. HOW TO CHA ...

    Other materials:

    Rear window defogger power supply and ground circuit
    Description Heats the heating wire with the power supply from the rear window defogger relay to prevent the rear window from fogging up. Component Function Check 1. CHECK REAR WINDOW DEFOGGER Check that the heating wire of rear window defogger is heated when turning the rear window defogge ...

    iPod®* player operation with Navigation System (if so equipped)
    Connecting iPod® WARNING Do not connect/disconnect or operate the USB device while driving. Doing so can be a distraction. If distracted you could lose control of your vehicle and cause an accident or serious injury. CAUTION ● Do not force the USB device into the USB port. Insertin ...

    Engine coolant
    Changing Engine Coolant WARNING: • To avoid being scalded, never change the coolant when the engine is hot. • Wrap a thick cloth around cap and carefully remove the cap. First, turn the cap a quarter of a turn to release built-up pressure. Then turn the cap all the way. DRAINING ENGINE ...