DTC DETECTION LOGIC
| DTC No. |
CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition | |
|---|---|---|---|
| P0531 |
REFRIGERANT PRESS SENSOR A (A/C refrigerant pressure sensor A circuit range/performance) |
Diagnosis condition |
|
| Signal (terminal) | Refrigerant pressure sensor signal | ||
| Threshold | ECM detects that input signal is out of the specified range. | ||
| Diagnosis delay time | 5 seconds or more | ||
POSSIBLE CAUSE
Harness or connectors
Refrigerant pressure sensor
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
PRECONDITIONING
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.
PERFORM DTC CONFIRMATION PROCEDURE
Start engine and run it for at least 10 seconds at idle speed.
Check 1st trip DTC.
Is 1st trip DTC detected?
YES>>Refer to DTC Diagnosis Procedure.
NO>>INSPECTION END
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.
P052a Intake Valve Timing Control
P0532 Refrigerant Pressure Sensor
The autolight system allows the headlights to turn on and off automatically. The autolight system can:
Turn on the headlights, front parking, tail, license plate and instrument panel lights automatically when it is dark. Turn off all the lights (except daylight running lights) when it is light. Keep all the lights on for a period of time after you place the ignition switch in the OFF position and all doors are closed.