P0533

Test 1 - 2:

Test 3 - 7:

SYMPTOM
P0533-A/C PRESSURE SENSOR HIGH

WHEN MONITORED
Engine running and the AC Clutch 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
- A/C pressure sensor
- (C18) A/C pressure signal circuit shorted to battery voltage
- (C18) A/C pressure signal circuit open
- (C18) A/C pressure signal circuit shorted to the (K7) 5-volt supply
- (K4) sensor ground circuit open
- PCM