Nissan Altima (L32) 2007-2012 Service Manual ≻ Meter, warning lamp & indicator ≻ Function diagnosis ≻ Meter system ≻ Tachometer

Nissan Altima (L32) 2007-2012 Service Manual: Tachometer

System Diagram

System Description

The tachometer indicates engine speed in revolutions per minute (rpm).

The ECM provides an engine speed signal to the combination meter via CAN communication lines.

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

Speedometer

System Diagram System Description The ABS actuator and electric unit (control unit) provides a vehicle speed signal to the combination meter via CAN communication lines. Component Parts Locat ...

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 ...

Other materials:

Brake system
The brake system has two separate hydraulic circuits. If one circuit malfunctions, you will still have braking at two wheels. Brake precautions Vacuum assisted brakes The brake booster aids braking by using engine vacuum. If the engine stops, you can stop the vehicle by depressing the brake pedal. H ...

RCTA system operation
For vehicles with the 7 inch (18 cm) display Side BSW/RCTA Indicator Light The RCTA system can help alert the driver of an approaching vehicle when the driver is backing out of a parking space. For vehicles with the 5 inch (13 cm) display When the shift position is in R (Reverse) and the vehicl ...

Changing wheels and tires
Tire rotation ISSAN recommends rotating the tires every 5,000 miles (8,000 km) for vehicles equipped with the 2.5L 4 cylinder (PR25DD engine model) and 7,500 miles (12,000 km) for vehicles equipped with the 2.0L 4 cylinder (KR20DDET engine model). For additional information on tire replacing proce ...