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:

Strg 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 steering angle sensor for damage, bend and loose connection (unit side and connector side). Is the inspection result ...

Illumination control switch signal circuit
Diagnosis procedure Regarding wiring diagram information, refer to mwi-28, "wiring diagram". 1.Check combination meter input signal Turn ignition switch on. Check voltage between the following terminals of the illumination control switch. Is the inspection result normal? ...

General Precautions
Always use a 12 volt battery as power source. Do not attempt to disconnect battery cables while engine is running. Before connecting or disconnecting the ECM harness connector, turn ignition switch OFF and disconnect negative battery cable. Failure to do so may damage the ECM because ...

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