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

Nissan Altima (L32) 2007-2012 Service Manual: 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 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

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 commu ...

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 s ...

Other materials:

Rear window and outside mirror (if so equipped) defroster switch
To defrost the rear window glass and outside mirrors (if so equipped), place the ignition switch in the ON position and push the rear window defroster switch on. The rear window defroster indicator light on the switch comes on. Push the switch again to turn the defroster off. The rear window defro ...

Car phone or CB radio
When installing a CB, ham radio or car phone in your vehicle, be sure to observe the following precautions; otherwise, the new equipment may adversely affect the engine control system and other electronic parts. WARNING A cellular phone should not be used for any purpose while driving so full at ...

Heated steering wheel switch (if so equipped)
Push the heated steering wheel switch to warm the steering wheel after the ignition switch is placed in the ON position. The indicator light will come on. If the surface temperature of the steering wheel is below 68ºF (20ºC), the system will heat the steering wheel and cycle off and on to mainta ...