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Pinpoint Test A : P0532, P0533: Notes

Refer to MANUAL CLIMATE CONTROL SYSTEM for schematic and connector information.

Normal Operation and Fault Conditions 

The A/C pressure transducer receives a ground from the PCM. A 5-volt reference voltage is supplied to the A/C pressure transducer from the PCM. The A/C pressure transducer then sends a voltage to the PCM to indicate the A/C pressure.

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
P0532 A/C Refrigerant Pressure Sensor A Circuit Low The A/C pressure transducer inputs a feedback voltage to the PCM. This DTC sets if the feedback voltage is lower than expected.
P0533 A/C Refrigerant Pressure Sensor A Circuit High The A/C pressure transducer inputs a feedback voltage to the PCM. This DTC sets if the feedback voltage is greater than expected.

Possible Sources 

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