How to Use the Self-Diagnostic Function With the HDS

NOTE: This method is only available if the HDS can communicate with the climate control unit.

1. Make sure the vehicle ignition is the OFF (LOCK) mode.

2. Connect the HDS to the DLC.

3. Turn the vehicle to the ON mode.

4. Make sure the HDS communicates with the vehicle and the climate control unit. If it does not, go to the DLC circuit troubleshooting .

5. Select BODY ELECTRICAL in the System Selection Menu.

6. Select HVAC/Climate Control in the Body Electrical System Select.

7. Select Inspection in the HVAC/Climate Control Mode Menu.

8. Select Climate Control Unit Self Test in the Inspection Menu.

9. Check for DTCs. If any DTCs are indicated, write down the DTCs, then go to the indicated DTC troubleshooting.

NOTE: