Diagnostic Test

WARNING: This page is about a different car, the 2014 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.

CHECK IF DTC IS ACTIVE
1. Ignition on, engine not running.
2. Using the scan tool, perform an A/C Cooldown Test.
3. Using the scan tool, read HVAC DTCs.
  Is this DTC active?
  
  Yes
  - Go To 2
  No
  - Go To 4
PERFORM HVAC ACTUATOR CALIBRATION TEST
1. Using the scan tool, perform the HVAC Actuator Calibration Test.
  Did any other HVAC DTCs set while performing the Actuator Calibration Test?
  
  Yes
  - Refer to the DIAGNOSTIC CODE INDEX and perform the appropriate diagnostic procedure.
  No
  - Go To 3
CHECK THE EVAPORATOR TEMPERATURE SENSOR
1. Replace the Evaporator Temperature Sensor in Accordance with the Service Information.
2. Using the scan tool, erase HVAC DTCs.
3. Cycle the ignition off for 30 seconds then back on.
4. Using the scan tool, perform an A/C Cooldown Test.
5. With the scan tool, read HVAC DTCs.
  Does this DTC reset?
  
  Yes
  - Replace and program the A/C Heater Module in accordance with the Service Information. Refer to CONTROL, A/C AND HEATER, REAR, REMOVAL .
  - Perform the HVAC VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Test complete.
  - Perform the HVAC VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE WIRING AND CONNECTORS
1. The conditions necessary to set the DTC are not present at this time.
2. Using the scan tool, check the Environmental Data to help identify the conditions in which the DTC was set.
3. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
4. Wiggle the wiring and connectors while checking for shorted and open circuits.
  Were there any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the HVAC VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Test complete.