Nissan Sentra manuals

Nissan Sentra Service Manual: Refrigeration system symptoms

Trouble diagnosis for unusual pressure

Diagnose using a manifold gauge whenever system’s high and/or low side pressure(s) is/are unusual. The marker above the gauge scale in the following tables indicates the standard (usual) pressure range. Refer to above table (Ambient air temperature-to-operating pressure table) since the standard (usual) pressure, however, differs from vehicle to vehicle.

Symptom table


Noise


Heater and air conditioning system symptoms
Symptom table ...

Noise
Symptom table ...

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 ...

Brake warning lamp
Component Function Check 1.CHECK BRAKE WARNING LAMP FUNCTION (1) Check that brake warning lamp in combination meter turns ON for approximately 2 seconds after ignition switch is turned ON. Is the inspection result normal? YES >> GO TO 2. NO >> Proceed to diagnosis procedure. ...

Meter buzzer circuit
Description The buzzer for warning chime system is installed in the combination meter. The combination meter sounds the alarm buzzer based on the signals transmitted from various units. Component function check 1.Check operation of meter buzzer Select BUZZER of BCM on CONSULT. ...

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