P0533

Test 1 - 2:

Test 3 - 6:

Test 7:

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
- A/C pressure sensor voltage above 4.6 volts
- (C18) A/C pressure signal circuit shorted to (K7) 5 volt supply circuit
- (C18) A/C pressure signal circuit shorted to battery voltage
- A/C pressure sensor internal failure
- (C18) A/C pressure signal circuit open
- (K4) Sensor ground circuit open
- PCM