Faulty Signal. Permanent Fault

FAULTY SIGNAL. PERMANENT FAULT





Checking the Air Conditioning System

- Is the air conditioning (A/C) system OK?

Yes:
- Try a new air conditioning (A/C) pressure sensor.
- Then proceed to Verification section below.

No:
- Remedy as needed, refer to Heating and Air Conditioning.

Verification

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

- Ignition OFF.
- Air conditioning (A/C) pressure sensor and engine control module (ECM) connected.
- START the engine and idle it.
- A/C button ON.
- Blower fan ON.
- Wait until the air conditioning (A/C) compressor has started.
- Read off diagnostic trouble codes (DTCs).

If EFI-225 is stored it should have Intermittent Fault Status.

Alternative Intermittent:
- Fault corrected.

Alternative Permanent:
- Proceed to test step below.

Fault-Tracing Information

- The verification result shows that the fault persists.
- Do you want to exit fault-tracing?

Yes:
- Fault not corrected.

No:
- Return to Checking the Air Conditioning System section above.