P0533

Test 1 - Test 2:

Test 3 - Test 7:

SYMPTOM
P0533-A/C PRESSURE SENSOR HIGH

WHEN MONITORED
Engine running, A/C is Learned, and the AC Clutch Relay energized.

SET CONDITION
The A/C pressure sensor signal at the PCM goes above 4.92 volts for 2.6 seconds. 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 (K856) 5-volt supply
- (K900) Sensor ground circuit open
- PCM