Nissan Sentra B18 (2020-2025) Service Manual: P0532 A/c Refrigerant Pressure Sensor
Dtc Description
DTC Description
DTC DETECTION LOGIC
|
DTC No. |
Trouble diagnosis name |
DTC detecting condition |
|---|---|---|
|
P0532 |
REFRIGERANT PRESS SENSOR A (A/C refrigerant pressure sensor A circuit low) |
An excessively low voltage from the sensor is sent to ECM. |
POSSIBLE CAUSE
-
Harness or connectors
-
Refrigerant pressure sensor
FAIL-SAFE
Not applicable
Confirmation Procedure
Confirmation Procedure
-
PRECONDITIONING-1
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
-
Turn ignition switch OFF and wait at least 10 seconds.
-
Turn ignition switch ON.
-
Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is 11 V or more under ignition switch OFF condition.
>>GO TO 2.
-
-
PRECONDITIONING-2
Check the following conditions:
Ambient temperature
0°C (32°F) or more
Is the condition satisfied?
YES >>GO TO 3.
NO >>-
Satisfy the condition.
-
GO TO 3.
-
-
PERFORM COMPONENT FUNCTION CHECK
Perform component function check. Refer to Component Function Check.
Is the inspection result normal?
YES >>GO TO 4.
NO >>Refer to DTC Diagnosis Procedure.
-
PERFORM DTC CONFIRMATION PROCEDURE
-
Start engine and warm it up to normal operating temperature.
-
Hold Nissan Sentra vehicle speed at more than 40 km/h (25 MPH) for 180 consecutive seconds.
CAUTION:
Always drive Nissan Sentra vehicle at a safe speed.
-
Check 1st trip DTC.
Is 1st trip DTC detected?
YES >>Refer to DTC Diagnosis Procedure.
NO >>INSPECTION END
-
Dtc Diagnosis Procedure
DTC Diagnosis Procedure
-
CHECK REFRIGERANT PRESSURE SENSOR
Refer to Diagnosis Procedure.
Is the inspection result normal?
YES >>INSPECTION END
NO >>Replace refrigerant pressure sensor. Refer to Removal and Installation(AUTOMATIC AIR CONDITIONER) or Removal and Installation(MANUAL AIR CONDITIONER).
Other materials:
C1076-55 Control Unit
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen item
(Trouble diagnosis
content)
DTC detection condition
...
Its Can Communication Circuit
Diagnosis Procedure
Diagnosis Procedure
CHECK CAN DIAGNOSIS
Check the CAN diagnosis results from CONSULT
to see that the chassis CAN communication 2 circuit has no
malfunction.
Is the chassis CAN communication 2 circuit
normal?
YES >>
...
Knock Sensor
Component Inspection
Component Inspection
CHECK KNOCK SENSOR
Turn ignition switch OFF.
Disconnect knock sensor harness
connector.
Check resistance between knock sensor
terminals ...