External Control Valve Compressor Inspection (GDS)
WARNING: This page is about a different car, the 2018 Hyundai Accent. However, it is still accessible from the selected car via links, so may be relevant.
Compressor type: Fixed type compressor, External control valve, Internal control valve.
In cases of fixed type and internal control valve, it is possible to inspect compressor"s operation with clutch noise. When it comes to External control valve, however, it cannot be checked in this way because it doesn't have a clutch. So, ECV should be inspected with GDS below.
- Connect GDS to the vehicle and select "Air. Con. Compressor Test (ECV type)"
[ECV1]
- Make the vehicle ready as the GDS instruction on the monitor. (Turn off A/C "switch" only)
[ECV2]
[ECV3]
- Check if other DTC codes are found before inspect ECV compressor. If so, solve that problems first. If not, press "OK" button to continue.
Information
Do not continue inspection if these DTC codes are found: B1241, B1242, B1672, B1685, B1686, B1687
[ECV4]
- Start inspection
[ECV5]
[ECV6]
CAUTION: Check if condenser fan is operating when condition is changed to "ECV running"CAUTION: Relief valve will be operated if a condenser fan doesn't work because of overpressure in the compressor. It allows the A/C system to relieve overpressure by releasing refrigerant and oil. (Closed if relieved)
Refill refrigerant and oil after operation of relief valve
Noise can be observed as the relief valve is in operation - Check the result of inspection and click "Check Detail" if it"s "Check". Follow the instruction and inspect ECV again from the first step.
[ECV7]
[ECV8]