Nissan Altima 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:

    Front tweeter
    Removal and Installation REMOVAL 1. Remove the front pillar finisher. Refer to INT-20, "Removal and Installation" (coupe) and INT-42, "Removal and Installation" (sedan). 2. Remove tweeter speaker grille. Refer to IP-12, "Removal and Installation". 3. Remove ...

    Front fog lamp
    Bulb Replacement REMOVAL The fog lamp is a semi-sealed beam type which uses a replaceable halogen bulb. CAUTION: • Do not touch the glass of bulb directly by hand. Keep grease and other oily substances away from it. Do not touch bulb by hand while it is lit or right after being turned ...

    P1805 brake switch
    Description Brake switch signal is applied to the ECM through the stop lamp switch when the brake pedal is depressed. This signal is used mainly to decrease the engine speed when the vehicle is driving. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PERFORM DTC CONFIRMATION ...