B2783

B2783, B2784 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.
6.Check DTC.
Is DTC detected?
YES- Refer to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK REFRIGERANT FOR LEAKAGES

Check refrigerant for leakages. Refer to "Check Refrigerant Leakage" 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. Refer to "Component Function Check" Cooling Fan.

3. CHECK REFRIGERANT CYCLE

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