HVAC Verification Test
HVAC Verification Test
Perform the following procedures to verify that the repair(s) are valid:
- Make sure that all accessories are turned off.
- Make sure that the battery is fully charged.
- Turn the ignition off to the lock position.
- Disconnect all jumper wires and reconnect all previously disconnected components and connectors.
- With the scan tool, record and erase all Diagnostic Trouble Codes (DTCs) from ALL modules.
- Turn the ignition off, remove the scan tool from the DLC (Data Link Connector). Open the door and close the door. Wait a minimum 30 seconds, then turn the ignition on. Reconnect the scan tool.
• Disconnecting the scan tool and opening and closing the door will allow the controller to enter into sleep mode.
- With the scan tool perform the HVAC Actuator Calibration Test.
- Start and run the engine for two minutes while operating all functions of the system that caused the original concern.
- With the scan tool, check for DTCs in all modules.
Is the original condition still present or are there any other HVAC DTCs present?
Yes
• The repair is not complete. Refer to the related category for the DTC or symptom that is still present.
No
• Repair is complete.