Hyundai Tucson: External Control Valve Compressor Inspection (GDS)
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 bacause it doesn't have a clutch.
So, ECV should be inspected with GDS as below.
- Connect GDS to the vehicle and select 'Aircon Compressor Test(ECV type)'
ECV1
- Make the vehicle ready as the GDS instruction on the monitor. (Turn off A/C 'switch' only)
- Check if other DTC codes are found before inspect ECV compressor. If so, solve that problems first. If not, press 'OK' button to continue.
WARNING
Do not continue inspection if these DTC codes are found: B1241, B1242. B1672, B1685, B1686. B1687
- Start inspection
WARNING
Check if condenser fan is operating when condition is changed to 'ECV running'
WARNING
Relief valve will operate if condenser fandoesn't work due to overpressure in thecompressor. It helps the airconditiong system torelieve by releasing refrigerant and oil (losed ifrelieved).
- Refill refrigerant and oil after operation of relief valve
- Noise occurred when relief valve is in operation
- Check the result of inspection.
ECV7
ECV8
- If the result shows "Check", click "Check" and follow the instruction.
- Inspect ECV again from the first step.
READ NEXT:
Compressor - Disassembly
Disassembly
Remove the front tire RH.
(Refer to Suspension System - "Wheel")
Loosen the drive belt.
(Refer to Engine Mechanical System - "Drive Belt")
Remove the clutch bolt (A) while holding the pulley with a clutch b
Condensor
Components Location
Condensor
Inspection
Check the condenser fins for clogging and damage. If clogged, clean them
with water, and blow them with compressed air. If
bent, gently bend them using a screwdriver or pliers.
Check the co
Condensor - Replacement
Remove the condensor.
(Refer to Air conditioning System - "Condensor")
Using a Lwrench, remove the cap (A) on the bottom of the receiver-drier.
Remove the receiver-drier (A) from condenser using a long nose plier.
Check
SEE MORE:
Infotainment system
NOTICE
If you install an aftermarket HID
head lamp, your vehicle's audio and
electronic devices may not function
properly.
Prevent chemicals such as perfume,
cosmetic oil, sun cream, hand
cleaner, and air freshener from
contacting t
Fuel Tank
Component
Location
Fuel tank
Canister
Vapor hose
Ventilaton hose
Fuel filler hose
Fuel tank air filter
Leveling hose
Fuel Level Sender (FLS)
Fuel pump
Fuel filter
Fuel pressure regulator
Fuel Perssure Sensor (FPS)
High
Information
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- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual