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: Parking brake
WARNING
Be sure the parking brake is fully released
before driving. Failure to do so
can cause brake failure and lead to
an accident.
Do not release the parking brake
from outside the vehicle.
Do not use the shift lever in place of
the parking brake. When parking,
be sure the parking brake ...
Operating tips
The sunload sensor, located on the top
center of the instrument panel, helps the
system maintain a constant temperature.
Do not put anything on or around this
sensor.
When the climate system is in automatic
operation and the engine coolant temperature
and outside air temperature are
low, the ...
Heated seat switches (if so equipped)
WARNING
Do not use or allow occupants to use
the seat heater if you or the occupants
cannot monitor elevated seat temperatures
or have an inability to feel
pain in body parts that contact the
seat. Use of the seat heater by such
people could result in serious injury.
CAUTION
The battery could run ...