Nissan Altima Owners Manual: Tachometer

The tachometer indicates engine speed in revolutions


The tachometer indicates engine speed in revolutions per minute (rpm). Do not rev engine into the red zone 1 .

CAUTION

When engine speed approaches the red zone, shift to a higher gear or reduce engine speed. Operating the engine in the red zone may cause serious engine damage.

    Speedometer and odometer
    Speedometer The speedometer indicates vehicle speed. Odometer/Twin trip odometer The odometer 1 and the twin trip odometer 2 are displayed below the Vehicle Information Display when the ignit ...

    Engine coolant temperature gauge
    The gauge indicates the engine coolant temperature. The engine coolant temperature is within the normal range 1 when the gauge needle points within the zone shown in the illustration. The en ...

    Other materials:

    B2099 ignition relay off stuck
    Description • IPDM E/R operates the ignition relay when it receives an ignition switch ON signal from BCM via CAN communication. • Turn the ignition relay OFF by pressing the push-button ignition switch once when the vehicle speed is 4 km/ h (2.5 MPH) or less. • Turn the ignition ...

    Ignition timing
     Description This describes how to check the ignition timing. For the actual procedure, follow the instructions in “BASIC INSPECTION”. Special Repair Requirement 1.CHECK IGNITION TIMING 1. Attach timing light to loop wires (2) as shown. - Intake manifold collector (1) - Timing l ...

    Cooling fan control
    System Diagram System Description INPUT/OUTPUT SIGNAL CHART *1: The ECM determines the start signal status by the signals of engine speed and battery voltage. *2: This signal is sent to ECM through CAN communication line. SYSTEM DESCRIPTION ECM controls cooling fan speed correspondin ...