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DTC Description
 
 
DTC DETECTION LOGIC
DTCM.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
P053300REFRIGERANT PRESS SENSOR A
(A/C refrigerant pressure sensor A circuit high)
Diagnosis condition—
Signal (terminal)Refrigerant pressure sensor signal
ThresholdAn excessively high voltage from the sensor is sent to ECM.
Diagnosis delay time5 seconds
 
 
POSSIBLE CAUSE
  • Harness or connectors
  • Refrigerant pressure sensor
 
 
FAIL-SAFE
Not applicable
 
 
DTC 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.
: .
 
2.PRECONDITIONING-2
Check the following conditions:
Ambient temperature0°C (32°F) or more
Is the condition satisfied?
.
  1. Satisfy the condition.
  2. .
 
3.PERFORM COMPONENT FUNCTION CHECK
Perform component function check. Refer to Component Function Check.
Is the inspection result normal?
.
Refer to DTC Diagnosis Procedure.
 
4.PERFORM DTC CONFIRMATION PROCEDURE
  1. Start engine and warm it up to normal operating temperature.
  2. Hold vehicle speed at more than 40 km/h (25 MPH) for 180 consecutive seconds.
    cautionAlways drive vehicle at a safe speed.
  3. Check 1st trip DTC.
Is 1st trip DTC detected?
Proceed to DTC Diagnosis Procedure.
-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END