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
Heater and air conditioning system symptoms
Symptom table
...
Noise
Symptom table
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Other materials:
Basic inspection
Work Procedure
1.INSPECTION START
Check service records for any recent repairs that may indicate a related
malfunction, or a current need for
scheduled maintenance.
Open engine hood and check the following:
Harness connectors for improper connections
Wiring harness for improper c ...
P1800 Intake manifold tuning valve
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1800
VIAS S/V-1
(Variable intake air system control
solenoid valve-1)
An excessively low or high voltage signal
is sent to ECM t ...
B0091 Front side air bag satellite sensor LH
Description
DTC B0091 FRONT SATELLITE SENSOR LH
The front side air bag satellite sensor LH is wired to the air bag diagnosis
sensor unit. The air bag diagnosis
sensor unit will monitor the front side air bag satellite sensor LH for internal
failures and its circuits for communication
errors. ...
