Operation CHARM: Car repair manuals for everyone.

Faulty Signal






Faulty signal

Checking the air conditioning (A/C) pressure sensor




- Check cable between air conditioning (A/C) relay and air conditioning (A/C) compressor magnetic clutch for an intermittent open-circuit according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
- Check the pressure in the air conditioning (A/C) system.
- To localize the air conditioning (A/C) pressure sensor, see Location of components Locations.
- To access/replace air conditioning (A/C) pressure sensor, see the relevant service procedure.


Continue - Verification

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Verification




Verification

Verification

Hint: After carrying out the repair, check that the fault has been remedied.








- Ignition off.
- Reconnect connectors, reinstall components
- Ignition on.
- Read off air conditioning (A/C) pressure sensor signal.
The signal should be between 0.7 - 0.9 V.





Is the signal OK?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFIED - Fault-tracing information

VERIFICATION FAILED - Fault-tracing information

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Fault-tracing information




Information

Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.
It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).

Do you want to view the information again?

Yes - Attempt New Test

No - Fault Found

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Attempt New Test - Checking the air conditioning (A/C) pressure sensor

FAULT FOUND - DONE

DONE - DONE

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