P0533

Tests 1 - 2:

Tests 3 - 6:

Tests 7 - 8:

SYMPTOM
P0533-A/C PRESSURE SENSOR HIGH

WHEN MONITORED
The engine running. The A/C relay energized.

SET CONDITION
The A/C pressure sensor signal at the PCM goes above 4.92 volts. One trip Fault.

POSSIBLE CAUSES
- Intermittent condition
- A/C pressure sensor signal circuit shorted to 5 volt supply circuit
- A/C pressure sensor signal circuit shorted to battery voltage
- A/C pressure sensor internal failure
- A/C pressure sensor signal circuit open
- Sensor ground circuit open
- PCM