Nissan Sentra 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, reduce engine speed. Operating the engine in the red zone may cause serious engine damage.
Speedometer and odometer
Speedometer
The speedometer indicates the vehicle speed.
Odometer/Twin trip odometer
The odometer 2 and the twin trip odometer 1
are displayed when the ignition switch is placed
in the ON p ...
Engine coolant temperature gauge
NOTE:
The ignition switch must be placed in the
ON position for the gauge to give a reading.
The gauge indicates the engine coolant temperature.
The engine coolant temperature is within the
...
Other materials:
Cooling fan control
SYSTEM DIAGRAM
SYSTEM DESCRIPTION
ECM controls cooling fan speed corresponding to vehicle speed, engine coolant
temperature, refrigerant pressure,
air conditioner ON signal. Then control system has 3-step control
[HIGH/LOW/OFF].
Cooling Fan Operation
Cooling Fan Relay Operation
Whe ...
How to Check Terminal
CONNECTOR AND TERMINAL PIN KIT
Use the connector and terminal pin kits listed below when replacing
connectors or terminals.
The connector and terminal pin kits contain some of the most commonly
used NISSAN/INFINITI connectors
and terminals. For detailed connector and terminal pin repla ...
Ecm branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the ECM for damage, bend and loose
connection (unit side and
connector side).
Is the inspection result normal?
YES > ...
