Inspection
1.CHECK BLOWER MOTOR OPERATION
Check blower motor operation
2.CHECK COMPRESSOR OPERATION
Check compressor operatio
3.CHECK REFRIGERANT CYCLE PRESSURE
Connect recovery/recycling recharging equipment to the vehicle and perform the diagnosis with the gauge pressure. Refer to HA-19, "WITH COLOR DISPLAY : Trouble Diagnoses for Abnormal Pressure" (with color display) or HA-22, "WITH MONOCHROME DISPLAY : Trouble Diagnoses for Abnormal Pressure" (with monochrome display)
Performance Chart
TEST CONDITION
Testing must be performed as follows

TEST READING
Recirculating-to-discharge Air Temperature Table


Ambient Air Temperature-to-operating Pressure Table

Oil
Performance testECM branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and
loose connection (unit side and connector
side).
- Models without automatic drive positione ...
Wiring diagram
ENGINE CONTROL SYSTEM
Wiring Diagram
...
Selecting the correct oil
It is essential to choose the correct grade, quality
and viscosity engine oil to ensure satisfactory
engine life and performance. For additional information,
refer to "Recommended fluids/lubricants
and capacities" in this section. NISSAN recommends
the use of an energy conserving oil in
or ...