Nissan Sentra B18 (2020-2025) Service Manual: P0533 A/c Refrigerant Pressure Sensor

Nissan Sentra B18 (2020-2025) Service Manual / Engine / Work Procedure (After Replacing Electric Throttle Control Actuator) / Dtc/circuit Diagnosis / P0533 A/c Refrigerant Pressure Sensor

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.	Trouble diagnosis name	DTC detecting condition
P0533	REFRIGERANT PRESS SENSOR A (A/C refrigerant pressure sensor A circuit high)	An excessively high voltage from the sensor is sent to ECM.

DTC No.

Trouble diagnosis name

DTC detecting condition

P0533

REFRIGERANT PRESS SENSOR A

(A/C refrigerant pressure sensor A circuit high)

An excessively high 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.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. 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
1. Start engine and warm it up to normal operating temperature.
2. 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.
3. 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).

P0532 A/c Refrigerant Pressure Sensor

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