Dtc Description

DTC Description

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connectors

• Refrigerant pressure sensor

FAIL-SAFE

Not applicable

Confirmation Procedure

Confirmation Procedure

1. 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.

2. PRECONDITIONING-2

   Check the following conditions:

   Ambient temperature

   0°C (32°F) or more

   Is the condition satisfied?

   YES >>

   GO TO 3.

   NO >>

   1. Satisfy the condition.

   2. GO TO 3.

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.

4. 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

1. 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).