Nissan Altima Owners Manual: Tachometer
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:
Insufficient heating
Component Function Check
SYMPTOM: Insufficient heating
INSPECTION FLOW
SYMPTOM: Insufficient heating
1. CONFIRM SYMPTOM BY PERFORMING OPERATION CHECK - TEMPERATURE INCREASE
1. Press the AUTO switch.
2. Turn temperature control dial (LH) clockwise until 32°C (90°F) is displayed.
3. Check ...
ECM branch line circuit
Diagnosis Procedure
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the following terminals and connectors for damage, bend and loose
connection (unit side and connector
side).
- ECM
- Harnes ...
P1800 Vias control solenoid valve 1
Description
The VIAS control solenoid valve 1 cuts the intake manifold vacuum signal for
power valve 1 control. It
responds to ON/OFF signals from the ECM. When the solenoid is OFF, the vacuum
signal from the intake
manifold is cut. When the ECM sends an ON signal the coil pulls the plunger
...
