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: Battery replacement
CAUTION
Be careful not to allow children to swallow
the battery or removed parts.
NISSAN Intelligent Key
Replace the battery in the Intelligent Key as
follows:
1. Remove the mechanical key from the
Intelligent Key.
2. Insert a small screwdriver A into the slit
B of the corner and twist it to separ ...
Engine cooling system
The engine cooling system is filled at the
factory with a pre-diluted mixture of 50%
Genuine NISSAN Long Life Antifreeze/
Coolant (blue) and 50% water to provide
year-round antifreeze and coolant protection.
The antifreeze solution contains rust
and corrosion inhibitors. Additional engine
cooling s ...
Intelligent Lane Intervention (I-LI)
(if so equipped)
WARNING
Failure to follow the warnings and instructions
for proper use of the I-LI system
could result in serious injury or
death.
The I-LI system will not steer the vehicle
or prevent loss of control. It is
the driver’s responsibility to stay
alert, drive safely, keep the vehicle in
the tr ...