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EDC16 / P0530 07

Read the instructions below then start the fault diagnostic procedure.

Symptom: No cooling.

  P0530 07


A/C Pressure Sensor, Short to B+

Fault symptom

No cooling.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Engine running.

Fault criteria:

Input voltage is higher than 4.9V for more than 0.6 s.

System reaction to a fault:

The control module uses a substitute value of 101 kPa.
The control module deactivates the output to the A/C relay.

OK report:

Fault criteria NOT fulfilled for 0.6 s.

Checking the wiring harness

Faults in the control module female connector can be the cause of the DTC. Check the connector with respect to oxidation, depressed pins and pin clamping force.
Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.

Diagnostic help

Diagnosis regards:


Functions in the diagnostic tool related to the fault:

Test value:
A/C Pressure
(See also description of readings/activations in diagnostic tool)