B2789

B2789 ELECTRIC COMPRESSOR

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT
1.Turn power switch OFF.
2.Set the vehicle to READY.
3.Operate the automatic air conditioning system.
4.Set the temperature to full cold and wait at least 2 seconds.
5.Select "Self Diagnostic Result" mode of "HVAC" using CONSULT.
Is DTC detected?
YES- .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK REFRIGERANT FOR LEAKAGES

Check refrigerant for leakages. Check Refrigerant Leakage.
Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace malfunctioning parts.

2. CHECK COOLING FAN OPERATION

1.Set the vehicle to READY.
2.Operate the automatic air conditioning system.
3.Check that the cooling fan is operating.
Is the inspection result normal?
YES- GO TO 3.
NO- Check cooling fan. Component Tests and General Diagnostics.

3. CHECK REFRIGERANT CYCLE

Check refrigerant cycle. Performance Test.
Is the inspection result normal?
YES- Replace electric compressor. Refer toRemoval and Installation .
NO- Repair or replace malfunctioning parts.