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
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 ...
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: I-FCW system operation
For vehicles with the 7 inch (18 cm) display
Vehicle ahead detection indicator
AEB with Pedestrian Detection system
warning light
For vehicles with the 5 inch (13 cm) display
The I-FCW system operates at speeds
above approximately 3 mph (5 km/h).
If there is a potential risk of a forward co ...
Towing a trailer
Do not tow a trailer with your vehicle.
Flat towing
Towing your vehicle with all four wheels on
the ground is sometimes called flat towing.
This method is sometimes used when
towing a vehicle behind a recreational vehicle,
such as a motor home.
CAUTION
Failure to follow these guidelines can
re ...
Automatic brake hold (if so equipped)
The automatic brake hold function maintains
the braking force without the driver
having to depress the brake pedal when
the vehicle is stopped at a traffic light or
intersection. As soon as the driver depresses
the accelerator pedal again, the
automatic brake hold function is deactivated
and the bra ...