REMOTE CLIMATE CONTROL DOES NOT OPERATE [FULL-AUTO AIR CONDITIONER]


id0703c1702500

Malfunction symptom

Remote climate control does not operate

Details
•  Remote climate control start conditions are not met
•  Climate control system does not start up
Possible cause
•  High voltage battery state of charge (SOC) has decreased
•  Radio waves were not received
•  EV system malfunction
•  Heat pump control unit malfunction
•  Climate control system power supply malfunction

Diagnostic Procedure

Step

Inspection

Action

1
VERIFY CHARGING CONDITIONS
•  Verify that the high voltage battery state of charge (SOC).
•  Is the high voltage battery state of charge (SOC) 38% or more?
Yes
Go to the next step.
No
Charge the high voltage battery so that its state of charge (SOC) is 38% or more and verify the climate control timer operation.
•  Operation is verified
―  Troubleshooting completed. (Explain the contents of the servicing to the customer.)
•  Operation is not verified
―  Go to the next step.
2
VERIFY RADIO RECEPTION CONDITION
•  Verify if radio waves are received.
Yes
Go to the next step.
No
Send the remote climate control request again in a location where radio reception condition is good and verify operation of the remote climate control.
•  Operation is verified
―  Troubleshooting completed. (Explain the contents of the servicing to the customer.)
•  Operation is not verified
―  Go to the next step.
3
VERIFY EV SYSTEM RELATED DTCs
•  Perform the DTC inspections for the following modules.
―  PCM
―  BECM
•  Are DTC displayed?
Yes
Repair the malfunctioning location according to the applicable DTC troubleshooting.
No
Go to the next step.
4
VERIFY HEAT PUMP CONTROL UNIT DTCs AGAIN
•  Perform the DTC inspection for the heat pump control unit using the M-MDS.
•  Is a DTC displayed?
Yes
Repair the malfunctioning location according to the applicable DTC troubleshooting.
No
Go to the next step.
5
VERIFY DASH-ELECTRICAL SUPPLY UNIT DTCs
•  Perform the DTC inspection for dash-electrical supply unit using the M-MDS.
•  Is a DTC displayed?
Yes
Repair the malfunctioning location according to the applicable DTC troubleshooting.
No
Go to the next step.
Repair completion verification
VERIFY THAT MALFUNCTION DOES NOT RECUR AFTER REPAIRS
•  Does the remote climate control operate normally?
Yes
Troubleshooting completed (explain repair contents to customer).
No
Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
If the CAN communication is normal, perform the diagnosis from Step 1.